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arXiv 2022年

作者： Abusleme, Angel Adam, Thomas Ahmad, Shakeel Ahmed, Rizwan Aiello, Sebastiano Akram, Muhammad An, Fengpeng An, Qi Andronico, Giuseppe Anfimov, Nikolay Antonelli, Vito Antoshkina, Tatiana Asavapibhop, burin de André, João Pedro Athayde Marcondes Auguste, Didier balashov, Nikita baldini, Wander barresi, Andrea basilico, Davide baussan, eric bellato, Marco bergnoli, Antonio birkenfeld, Thilo blin, Sylvie blum, David blyth, Simon bolshakova, Anastasia bongrand, Mathieu bordereau, Clément b.eton, Dominique brigatti, Augusto brugnera, Riccardo bruno, Riccardo budano, Antonio buscemi, Mario busto, Jose butorov, Ilya Cab.era, Anatael Caccianiga, barbara Cai, Hao Cai, Xiao Cai, Yanke Cai, Zhiyan Callegari, Riccardo Cammi, Antonio Campeny, Agustin Cao, Chuanya Cao, Guofu Cao, Jun Caruso, Rossella Cerna, Cédric Chang, Jinfan Chang, Yun Chen, Pingping Chen, Po-An Chen, Shaomin Chen, Xurong Chen, Yi-Wen Chen, Yixue Chen, Yu Chen, Zhang Cheng, Jie Cheng, Yaping Chetverikov, Alexey Chiesa, Davide Chimenti, Pietro Chukanov, Artem Claverie, Gérard Clementi, Catia Clerbaux, barbara Di Lorenzo, Selma Conforti Corti, Daniele Dal Corso, Flavio Dalager, Olivia De La Taille, Christophe Deng, Zhi Deng, Ziyan Depnering, Wilfried Diaz, Marco Ding, Xuefeng Ding, Yayun Dirgantara, bayu Dmitrievsky, Sergey Dohnal, Tadeas Dolzhikov, Dmitry Donchenko, Georgy Dong, Jianmeng Doroshkevich, evgeny Dracos, Marcos Druillole, Frédéric Du, Ran Du, Shuxian Dusini, Stefano Dvorak, Martin enqvist, Timo enzmann, Heike Fabbri, Andrea Fan, Donghua Fan, Lei Fang, Jian Fang, Wenxing Fargetta, Marco Fedoseev, Dmitry Feng, Li-Cheng Feng, Qichun Ford, Richard Fournier, Amélie Gan, Haonan Gao, Feng Garfagnini, Alberto Gavrikov, Arsenii Giammarchi, Marco Giaz, Agnese Giudice, Nunzio Gonchar, Maxim Gong, Guanghua Gong, Hui Gornushkin, Yuri Göttel, Alexandre Grassi, Marco Gromov, Vasily Gu, Minghao Gu, Xiaofei Gu, Yu Guan, Mengyun Guardone, Nunzio Gul, Maria Guo, Cong Guo, Jingyuan Guo, Wanlei Guo, Xinheng Guo, Yuhang Hackspacher, Paul Hagner, Caren Han, Ran Han, Yan Yerevan Physics Institute Yerevan Armenia Université Libre de Bruxelles Brussels Belgium Universidade Estadual de Londrina Londrina Brazil Pontificia Universidade Catolica do Rio de Janeiro Rio de Janeiro Brazil ANID Chile Pontificia Universidad Católica de Chile Santiago Chile Universidad Tecnica Federico Santa Maria Valparaiso Chile Beijing Institute of Spacecraft Environment Engineering Beijing China Beijing Normal University Beijing China China Institute of Atomic Energy Beijing China Institute of High Energy Physics Beijing China North China Electric Power University Beijing China School of Physics Peking University Beijing China Tsinghua University Beijing China University of Chinese Academy of Sciences Beijing China Jilin University Changchun China College of Electronic Science and Engineering National University of Defense Technology Changsha China Chongqing University Chongqing China Dongguan University of Technology Dongguan China Jinan University Guangzhou China Sun Yat-Sen University Guangzhou China Harbin Institute of Technology Harbin China University of Science and Technology of China Hefei China The Radiochemistry and Nuclear Chemistry Group University of South China Hengyang China Wuyi University Jiangmen China Shandong University Jinan China Key Laboratory of Particle Physics and Particle Irradiation Ministry of Education Shandong University Qingdao China Institute of Modern Physics Chinese Academy of Sciences Lanzhou China Nanjing University Nanjing China Guangxi University Nanning China East China University of Science and Technology Shanghai China School of Physics and Astronomy Shanghai Jiao Tong University Shanghai China Tsung-Dao Lee Institute Shanghai Jiao Tong University Shanghai China Institute of Hydrogeology and Environmental Geology Chinese Academy of Geological Sciences Shijiazhuang China Nankai University Tianjin China Wuhan University Wuhan China Xi'an Jiaotong University Xi'An China Xiamen Univers

We present the detection potential for the diffuse supernova neutrino background (DSNb) at the Jiangmen Underground Neutrino Ob.ervatory (JUNO), using the inverse-beta-decay (IbD) detection channel on free protons. We employ the latest information on the DSNb flux predictions, and investigate in detail the background and its reduction for the DSNb search at JUNO. The atmospheric neutrino induced neutral current (NC) background turns out to be the most critical background, whose uncertainty is carefully evaluated from both the spread of model predictions and an envisaged in situ measurement. We also make a careful study on the background suppression with the pulse shape discrimination (PSD) and triple coincidence (TC) cuts. With latest DSNb signal predictions, more realistic background evaluation and PSD efficiency optimization, and additional TC cut, JUNO can reach the significance of 3σ for 3 years of data taking, and achieve better than 5σ after 10 years for a reference DSNb model. In the pessimistic scenario of non-ob.ervation, JUNO would strongly improve the limits and exclude a significant region of the model parameter space. © 2022, CC bY.

关键词： Forecasting

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JUNO Sensitivity on Proton Decay p → ν¯K+ Searches

arXiv

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arXiv 2022年

作者： Abusleme, Angel Adam, Thomas Ahmad, Shakeel Ahmed, Rizwan Aiello, Sebastiano Akram, Muhammad An, Fengpeng An, Qi Andronico, Giuseppe Anfimov, Nikolay Antonelli, Vito Antoshkina, Tatiana Asavapibhop, burin de André, João Pedro Athayde Marcondes Auguste, Didier balashov, Nikita baldini, Wander barresi, Andrea basilico, Davide baussan, eric bellato, Marco bergnoli, Antonio birkenfeld, Thilo blin, Sylvie blum, David blyth, Simon bolshakova, Anastasia bongrand, Mathieu bordereau, Clément b.eton, Dominique brigatti, Augusto brugnera, Riccardo bruno, Riccardo budano, Antonio buscemi, Mario busto, Jose butorov, Ilya Cab.era, Anatael Caccianiga, barbara Cai, Hao Cai, Xiao Cai, Yanke Cai, Zhiyan Callegari, Riccardo Cammi, Antonio Campeny, Agustin Cao, Chuanya Cao, Guofu Cao, Jun Caruso, Rossella Cerna, Cédric Chang, Jinfan Chang, Yun Chen, Pingping Chen, Po-An Chen, Shaomin Chen, Xurong Chen, Yi-Wen Chen, Yixue Chen, Yu Chen, Zhang Cheng, Jie Cheng, Yaping Chetverikov, Alexey Chiesa, Davide Chimenti, Pietro Chukanov, Artem Claverie, Gérard Clementi, Catia Clerbaux, barbara Di Lorenzo, Selma Conforti Corti, Daniele Corso, Flavio Dal Dalager, Olivia De La Taille, Christophe Deng, Zhi Deng, Ziyan Depnering, Wilfried Diaz, Marco Ding, Xuefeng Ding, Yayun Dirgantara, bayu Dmitrievsky, Sergey Dohnal, Tadeas Dolzhikov, Dmitry Donchenko, Georgy Dong, Jianmeng Doroshkevich, evgeny Dracos, Marcos Druillole, Frédéric Du, Ran Du, Shuxian Dusini, Stefano Dvorak, Martin enqvist, Timo enzmann, Heike Fabbri, Andrea Fahrendholz, Ulrike Fan, Donghua Fan, Lei Fang, Jian Fang, Wenxing Fargetta, Marco Fedoseev, Dmitry Feng, Li-Cheng Feng, Qichun Ford, Richard Fournier, Amélie Gan, Haonan Gao, Feng Garfagnini, Alberto Gavrikov, Arsenii Giammarchi, Marco Giaz, Agnese Giudice, Nunzio Gonchar, Maxim Gong, Guanghua Gong, Hui Gornushkin, Yuri Göttel, Alexandre Grassi, Marco Grewing, Christian Gromov, Vasily Gu, Minghao Gu, Xiaofei Gu, Yu Guan, Mengyun Guardone, Nunzio Gul, Maria Guo, Cong Guo, Jingyuan Guo, Wanlei Guo, Xinheng Guo, Yuhang Hackspache Pontificia Universidad Católica de Chile Santiago Chile IPHC Université de Strasbourg CNRS IN2P3 StrasbourgF-67037 France Pakistan Institute of Nuclear Science and Technology Islamabad Pakistan INFN Catania and Dipartimento di Fisica e Astronomia Università di Catania Catania Italy East China University of Science and Technology Shanghai China University of Science and Technology of China Hefei China Joint Institute for Nuclear Research Dubna Russia INFN Sezione di Milano Dipartimento di Fisica Università di Milano Milano Italy Department of Physics Faculty of Science Chulalongkorn University Bangkok Thailand IJCLab Université Paris-Saclay CNRS IN2P3 Orsay91405 France Department of Physics and Earth Science University of Ferrara INFN Sezione di Ferrara Ferrara Italy INFN Milano Bicocca University of Milano Bicocca Milano Italy INFN Sezione di Padova Padova Italy III. Physikalisches Institut B RWTH Aachen University Aachen Germany Eberhard Karls Universität Tübingen Physikalisches Institut Tübingen Germany Institute of High Energy Physics Beijing China SUBATECH Université de Nantes IMT Atlantique CNRS-IN2P3 Nantes France Univ. Bordeaux CNRS LP2I UMR 5797 GradignanF-33170 France Department of Physics National Taiwan University Taipei Taiwan Dipartimento di Fisica e Astronomia Università di Padova INFN Sezione di Padova Padova Italy University of Roma Tre INFN Sezione Roma Tre Roma Italy Aix Marseille Univ CNRS IN2P3 CPPM Marseille France Wuhan University Wuhan China INFN Milano Bicocca Politecnico of Milano Milano Italy National United University Miao-Li Taiwan Dongguan University of Technology Dongguan China Tsinghua University Beijing China Institute of Modern Physics Chinese Academy of Sciences Lanzhou China Institute of Physics National Yang Ming Chiao Tung University Hsinchu Taiwan North China Electric Power University Beijing China Sun Yat-Sen University Guangzhou China Beijing Institute of Spacecraft Environment

The Jiangmen Underground Neutrino Ob.ervatory (JUNO) is a large liquid scintillator detector designed to explore many topics in fundamental physics. In this paper, the potential on searching for proton decay in p → ν¯K+ mode with JUNO is investigated. The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification. Moreover, the excellent energy resolution of JUNO permits to suppress the sizab.e background caused by other delayed signals. based on these advantages, the detection efficiency for the proton decay via p → ν¯K+ is 36.9% ± 4.9% with a background level of 0.2 ± 0.05(syst) ± 0.2(stat) events after 10 years of data taking. The estimated sensitivity based on 200 kton-years exposure is 9.6 × 1033 years, which is competitive with the current best limits on the proton lifetime in this channel and complementary using different detection technologies. © 2022, CC bY-NC-SA.

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Model Independent Approach of the JUNO 8b Solar Neutrino Program

arXiv

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arXiv 2022年

作者： Zhao, Jie Yue, baobiao Lu, Haoqi Li, Yufeng Ling, Jiajie Yu, Zeyuan Abusleme, Angel Adam, Thomas Ahmad, Shakeel Ahmed, Rizwan Aiello, Sebastiano Akram, Muhammad Aleem, Abid Alexandros, Tsagkarakis An, Fengpeng An, Qi Andronico, Giuseppe Anfimov, Nikolay Antonelli, Vito Antoshkina, Tatiana Asavapibhop, burin de André, João Pedro Athayde Marcondes Auguste, Didier bai, Weidong balashov, Nikita baldini, Wander barresi, Andrea basilico, Davide baussan, eric bellato, Marco bergnoli, Antonio birkenfeld, Thilo blin, Sylvie blum, David blyth, Simon bolshakova, Anastasia bongrand, Mathieu bordereau, Clément b.eton, Dominique brigatti, Augusto brugnera, Riccardo bruno, Riccardo budano, Antonio busto, Jose butorov, Ilya Cab.era, Anatael Caccianiga, barbara Cai, Hao Cai, Xiao Cai, Yanke Cai, Zhiyan Callegari, Riccardo Cammi, Antonio Campeny, Agustin Cao, Chuanya Cao, Guofu Cao, Jun Caruso, Rossella Cerna, Cédric Chan, Chi Chang, Jinfan Chang, Yun Chen, Guoming Chen, Pingping Chen, Po-An Chen, Shaomin Chen, Xurong Chen, Yixue Chen, Yu Chen, Zhiyuan Chen, Zikang Cheng, Jie Cheng, Yaping Chepurnov, Alexander Chetverikov, Alexey Chiesa, Davide Chimenti, Pietro Chukanov, Artem Claverie, Gérard Clementi, Catia Clerbaux, barbara Molla, Marta Colomer Di Lorenzo, Selma Conforti Corti, Daniele Dal Corso, Flavio Dalager, Olivia De La Taille, Christophe Deng, Zhi Deng, Ziyan Depnering, Wilfried Diaz, Marco Ding, Xuefeng Ding, Yayun Dirgantara, bayu Dmitrievsky, Sergey Dohnal, Tadeas Dolzhikov, Dmitry Donchenko, Georgy Dong, Jianmeng Doroshkevich, evgeny Dracos, Marcos Druillole, Frédéric Du, Ran Du, Shuxian Dusini, Stefano Dvorak, Martin enqvist, Timo enzmann, Heike Fabbri, Andrea Fan, Donghua Fan, Lei Fang, Jian Fang, Wenxing Fargetta, Marco Fedoseev, Dmitry Fei, Zhengyong Feng, Li-Cheng Feng, Qichun Ford, Richard Fournier, Amélie Gan, Haonan Gao, Feng Garfagnini, Alberto Gavrikov, Arsenii Giammarchi, Marco Giudice, Nunzio Gonchar, Maxim Gong, Guanghua Gong, Hui Gornushkin, Yuri Göttel, Alexandre Grassi, Marco Gromov, Maxim Gromov, Vasi Yerevan Physics Institute Yerevan Armenia Université Libre de Bruxelles Brussels Belgium Universidade Estadual de Londrina Londrina Brazil Pontificia Universidade Catolica do Rio de Janeiro Rio de Janeiro Brazil ANID Chile Pontificia Universidad Católica de Chile Santiago Chile Universidad Tecnica Federico Santa Maria Valparaiso Chile Beijing Institute of Spacecraft Environment Engineering Beijing China Beijing Normal University Beijing China China Institute of Atomic Energy Beijing China Institute of High Energy Physics Beijing China North China Electric Power University Beijing China School of Physics Peking University Beijing China Tsinghua University Beijing China University of Chinese Academy of Sciences Beijing China Jilin University Changchun China College of Electronic Science and Engineering National University of Defense Technology Changsha China Chongqing University Chongqing China Dongguan University of Technology Dongguan China Jinan University Guangzhou China Sun Yat-Sen University Guangzhou China Harbin Institute of Technology Harbin China University of Science and Technology of China Hefei China The Radiochemistry and Nuclear Chemistry Group University of South China Hengyang China Wuyi University Jiangmen China Shandong University Jinan China Key Laboratory of Particle Physics and Particle Irradiation of Ministry of Education Shandong University Qingdao China Institute of Modern Physics Chinese Academy of Sciences Lanzhou China Nanjing University Nanjing China Guangxi University Nanning China East China University of Science and Technology Shanghai China School of Physics and Astronomy Shanghai Jiao Tong University Shanghai China Tsung-Dao Lee Institute Shanghai Jiao Tong University Shanghai China Institute of Hydrogeology and Environmental Geology Chinese Academy of Geological Sciences Shijiazhuang China Nankai University Tianjin China Wuhan University Wuhan China Xi'an Jiaotong University Xi'An China Xiamen Unive

The physics potential of detecting 8b solar neutrinos will be exploited at the Jiangmen Underground Neutrino Ob.ervatory (JUNO), in a model independent manner by using three distinct channels of the charged-current (CC), neutral-current (NC) and elastic scattering (eS) interactions. Due to the largest-ever mass of 13C nuclei in the liquid-scintillator detectors and the expected low background level, 8b solar neutrinos would be ob.ervab.e in the CC and NC interactions on 13C for the first time. by virtue of optimized event selections and muon veto strategies, backgrounds from the accidental coincidence, muon-induced isotopes, and external backgrounds can be greatly suppressed. excellent signal-to-background ratios can be achieved in the CC, NC and eS channels to guarantee the 8b solar neutrino ob.ervation. From the sensitivity studies performed in this work, we show that JUNO, with ten years of data, can reach the 1σ precision levels of 5%, 8% and 20% for the 8b neutrino flux, sin2 θ12, and ∆m221, respectively. It would be unique and helpful to probe the details of both solar physics and neutrino physics. In addition, when combined with SNO, the world-best precision of 3% is expected for the 8b neutrino flux measurement. © 2022, CC bY.

关键词： Neutrons

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Mass Testing and Characterization of 20-inch PMTs for JUNO

arXiv

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arXiv 2022年

作者： Abusleme, Angel Adam, Thomas Ahmad, Shakeel Ahmed, Rizwan Aiello, Sebastiano Akram, Muhammad Aleem, Abid Alexandros, Tsagkarakis An, Fengpeng An, Qi Andronico, Giuseppe Anfimov, Nikolay Antonelli, Vito Antoshkina, Tatiana Asavapibhop, burin de André, João Pedro Athayde Marcondes Auguste, Didier bai, Weidong balashov, Nikita baldini, Wander barresi, Andrea basilico, Davide baussan, eric bellato, Marco bergnoli, Antonio birkenfeld, Thilo blin, Sylvie blum, David blyth, Simon bolshakova, Anastasia bongrand, Mathieu bordereau, Clément b.eton, Dominique brigatti, Augusto brugnera, Riccardo bruno, Riccardo budano, Antonio busto, Jose butorov, Ilya Cab.era, Anatael Caccianiga, barbara Cai, Hao Cai, Xiao Cai, Yanke Cai, Zhiyan Callegari, Riccardo Cammi, Antonio Campeny, Agustin Cao, Chuanya Cao, Guofu Cao, Jun Caruso, Rossella Cerna, Cédric Chan, Chi Chang, Jinfan Chang, Yun Chen, Guoming Chen, Pingping Chen, Po-An Chen, Shaomin Chen, Xurong Chen, Yixue Chen, Yu Chen, Zhiyuan Chen, Zikang Cheng, Jie Cheng, Yaping Cheng, Yu Chin Chetverikov, Alexey Chiesa, Davide Chimenti, Pietro Chukanov, Artem Claverie, Gérard Clementi, Catia Clerbaux, barbara Molla, Marta Colomer Di Lorenzo, Selma Conforti Corti, Daniele Corso, Flavio Dal Dalager, Olivia De La Taille, Christophe Deng, Zhi Deng, Ziyan Depnering, Wilfried Diaz, Marco Ding, Xuefeng Ding, Yayun Dirgantara, bayu Dmitrievsky, Sergey Dohnal, Tadeas Dolzhikov, Dmitry Donchenko, Georgy Dong, Jianmeng Doroshkevich, evgeny Dracos, Marcos Druillole, Frédéric Du, Ran Du, Shuxian Dusini, Stefano Dvorak, Martin enqvist, Timo enzmann, Heike Fabbri, Andrea Fan, Donghua Fan, Lei Fang, Jian Fang, Wenxing Fargetta, Marco Fedoseev, Dmitry Fei, Zhengyong Feng, Li-Cheng Feng, Qichun Ford, Richard Fournier, Amélie Gan, Haonan Gao, Feng Garfagnini, Alberto Gavrikov, Arsenii Giammarchi, Marco Giudice, Nunzio Gonchar, Maxim Gong, Guanghua Gong, Hui Gornushkin, Yuri Göttel, Alexandre Grassi, Marco Gromov, Vasily Gu, Minghao Gu, Xiaofei Gu, Yu Guan, Mengyun Guan, Yuduo Guardone, Nunzio Guo, Cong G Yerevan Physics Institute Yerevan Armenia Université Libre de Bruxelles Brussels Belgium Universidade Estadual de Londrina Londrina Brazil Pontificia Universidade Catolica do Rio de Janeiro Rio de Janeiro Brazil ANID Chile Pontificia Universidad Católica de Chile Santiago Chile Universidad Tecnica Federico Santa Maria Valparaiso Chile Beijing Institute of Spacecraft Environment Engineering Beijing China Beijing Normal University Beijing China China Institute of Atomic Energy Beijing China Institute of High Energy Physics Beijing China North China Electric Power University Beijing China School of Physics Peking University Beijing China Tsinghua University Beijing China University of Chinese Academy of Sciences Beijing China Jilin University Changchun China College of Electronic Science and Engineering National University of Defense Technology Changsha China Chongqing University Chongqing China Dongguan University of Technology Dongguan China Jinan University Guangzhou China Sun Yat-Sen University Guangzhou China University of Science and Technology of China Hefei China The Radiochemistry and Nuclear Chemistry Group University of South China Hengyang China Wuyi University Jiangmen China Shandong University Jinan China Key Laboratory of Particle Physics and Particle Irradiation Ministry of Education Shandong University Qingdao China Institute of Modern Physics Chinese Academy of Sciences Lanzhou China Nanjing University Nanjing China Guangxi University Nanning China East China University of Science and Technology Shanghai China School of Physics and Astronomy Shanghai Jiao Tong University Shanghai China Tsung-Dao Lee Institute Shanghai Jiao Tong University Shanghai China Nankai University Tianjin China Wuhan University Wuhan China Xi’an Jiaotong University Xi'An China Xiamen University Xiamen China School of Physics and Microelectronics Zhengzhou University Zhengzhou China Institute of Physics National Yang Ming Chiao Tung Universit

Main goal of the JUNO experiment is to determine the neutrino mass ordering using a 20 kt liquid-scintillator detector. Its key feature is an excellent energy resolution of at least 3 % at 1 MeV, for which its instruments need to meet a certain quality and thus have to be fully characterized. More than 20,000 20-inch PMTs have b.en received and assessed by JUNO after a detailed testing program which began in 2017 and elapsed for about four years. based on this mass characterization and a set of specific requirements, a good quality of all accepted PMTs could be ascertained. This paper presents the performed testing procedure with the designed testing systems as well as the statistical characteristics of all 20-inch PMTs intended to be used in the JUNO experiment, covering more than fifteen performance parameters including the photocathode uniformity. This constitutes the largest sample of 20-inch PMTs ever produced and studied in detail to date, i.e. 15,000 of the newly developed 20-inch MCP-PMTs from Northern Night Vision Technology Co. (NNVT) and 5,000 of dynode PMTs from Hamamatsu Photonics K. K.(HPK). © 2022, CC bY.

关键词： Photons

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Search for non-standard neutrino interactions with the first six detection units of KM3NeT/ORCA

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Journal of Cosmology and Astroparticle Physics 2025年第2期2025卷 073-073页

作者： Aiello, S. Albert, A. Alhebsi, A.R. Alshamsi, M. Alves Garre, S. Ambrosone, A. Ameli, F. Andre, M. Aphecetche, L. Ardid, M. Ardid, S. Aublin, J. badaracco, F. bailly-Salins, L. bardačová, Z. baret, b. bariego-Quintana, A. becherini, Y. bendahman, M. benfenati, F. benhassi, M. bennani, M. benoit, D.M. berb.e, e. bertin, V. biagi, S. b.ettcher, M. bonanno, D. bouasla, A.b. boumaaza, J. bouta, M. bouwhuis, M. bozza, C. bozza, R.M. brânzaş, H. b.etaudeau, F. b.euhaus, M. bruijn, R. brunner, J. bruno, R. buis, e. buompane, R. busto, J. Caiffi, b. Calvo, D. Capone, A. Carenini, F. Carretero, V. Cartraud, T. Castaldi, P. Cecchini, V. Celli, S. Cerisy, L. Chabab, M. Chen, A. Cherubini, S. Chiarusi, T. Circella, M. Clark, R. Cocimano, R. Coelho, J.A.b. Coleiro, A. Condorelli, A. Coniglione, R. Coyle, P. Creusot, A. Cuttone, G. Dallier, R. De benedittis, A. De Martino, b. De Wasseige, G. Decoene, V. Del Rosso, I. Di Mauro, L.S. Di Palma, I. Díaz, A.F. Diego-Tortosa, D. Distefano, C. Domi, A. Donzaud, C. Dornic, D. Drakopoulou, e. Drouhin, D. Ducoin, J.-G. Dvornický, R. eberl, T. eckerová, e. eddymaoui, A. van eeden, T. eff, M. van eijk, D. el bojaddaini, I. el Hedri, S. ellajosyula, V. enzenhöfer, A. Ferrara, G. Filipović, M.D. Filippini, F. Franciotti, D. Fusco, L.A. Gagliardini, S. Gal, T. García Méndez, J. Garcia Soto, A. Gatius Oliver, C. Geißelb.echt, N. Genton, e. Ghaddari, H. Gialanella, L. Gibson, b.K. Giorgio, e. Goos, I. Goswami, P. Gozzini, S.R. Gracia, R. Guidi, C. Guillon, b. Gutiérrez, M. Haack, C. van Haren, H. Heijb.er, A. Hennig, L. Hernández-Rey, J.J. Idrissi Ibnsalih, W. Illuminati, G. Joly, D. de Jong, M. de Jong, P. Jung, b.J. Kistauri, G. Kopper, C. Kouchner, A. Kovalev, Y.Y. Kueviakoe, V. Kulikovskiy, V. Kvatadze, R. Labalme, M. Lahmann, R. Lamoureux, M. Larosa, G. Lastoria, C. Lazar, J. Lazo, A. Le Stum, S. Lehaut, G. Lemaître, V. Leonora, e. Lessing, N. Levi, G. Lindsey Clark, M. Longhitano, F. Magnani, F. Majumdar, J. Malerba, L. Mamedov, F. Manfreda, A. Marconi, M. Margiotta, A. Marinelli, A. Mar INFN Sezione di Catania INFN-CT Via Santa Sofia 64 Catania 95123 Italy Université de Strasbourg CNRS IPHC UMR 7178 Strasbourg F-67000 France Department of Physics Khalifa University PO Box 127788 Abu Dhabi 0000 United Arab Emirates Aix Marseille Univ CNRS IN2P3 CPPM Marseille France IFIC-Instituto de Física Corpuscular CSIC Universitat de València c/Catedrático José Beltrán 2 Paterna Valencia 46980 Spain INFN Sezione di Napoli Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli 80126 Italy Dip. Scienze Fisiche “E. Pancini” Università di Napoli “Federico II” Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli 80126 Italy INFN Sezione di Roma Piazzale Aldo Moro 2 Roma 00185 Italy Universitat Politècnica de Catalunya Laboratori d'Aplicacions Bioacústiques Centre Tecnològic de Vilanova i la Geltrú Avda. Rambla Exposició s/n Vilanova i la Geltrú 08800 Spain Subatech IMT Atlantique IN2P3-CNRS Nantes Université 4 rue Alfred Kastler — La Chantrerie BP Nantes 20722 44307 France Universitat Politècnica de València Instituto de Investigación para la Gestión Integrada de las Zonas Costeras C/ Paranimf 1 Gandia 46730 Spain Université Paris Cité CNRS Astroparticule et Cosmologie Paris F-75013 France Università di Genova Via Dodecaneso 33 Genova 16146 Italy INFN Sezione di Genova Via Dodecaneso 33 Genova 16146 Italy LPC CAEN Normandie Univ ENSICAEN UNICAEN CNRS IN2P3 6 boulevard Maréchal Juin Caen 14050 France Czech Technical University in Prague Institute of Experimental and Applied Physics Husova 240/5 Prague 110 00 Czech Republic Comenius University in Bratislava Department of Nuclear Physics and Biophysics Mlynska dolina F1 Bratislava 842 48 Slovakia INFN Sezione di Bologna v.le C. Berti-Pichat 6/2 Bologna 40127 Italy Università di Bologna Dipartimento di Fisica e Astronomia v.le C. Berti-Pichat 6/2 Bologna 40127 Italy Università degli Studi della Campania “Luigi Vanvitelli” Dipartime

KM3NeT/ORCA is an underwater neutrino telescope under construction in the Mediterranean Sea. Its primary scientific goal is to measure the atmospheric neutrino oscillation parameters and to determine the neutrino mass ordering. ORCA can constrain the oscillation parameters Δm ²b>31b> and θ b>23b> by reconstructing the arrival direction and energy of multi-GeV neutrinos crossing the earth. Searches for deviations from the Standard Model of particle physics in the forward scattering of neutrinos inside earth matter, produced by Non-Standard Interactions, can be conducted by investigating distortions of the standard oscillation pattern of neutrinos of all flavours. This work reports on the results of the search for non-standard neutrino interactions using the first six detection units of ORCA and 433 kton-years of exposure. No significant deviation from standard interactions was found in a sample of 5828 events reconstructed in the 1 GeV-1 TeV energy range. The flavour structure of the non-standard coupling was constrained at 90% confidence level to be |ϵb>μτb> | ≤ 5.4 × 10^-3, |ϵb.eτb> | ≤ 7.4 × 10^-2, |ϵb.eμb> | ≤ 5.6 × 10^-2 and -0.015 ≤ ϵb>ττb> - ϵb>μμb> ≤ 0.017. The results are comparab.e to the current most stringent limits placed on the parameters by other experiments. © 2025 The Author(s)

关键词： neutrino experiments neutrino properties solar and atmospheric neutrinos

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First searches for dark matter with the KM3NeT neutrino telescopes

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Journal of Cosmology and Astroparticle Physics 2025年第3期2025卷 058-058页

作者： Aiello, S. Albert, A. Alhebsi, A.R. Alshamsi, M. Alves Garre, S. Ambrosone, A. Ameli, F. Andre, M. Aphecetche, L. Ardid, M. Ardid, S. Aublin, J. badaracco, F. bailly-Salins, L. bardačová, Z. baret, b. bariego-Quintana, A. becherini, Y. bendahman, M. benfenati, F. benhassi, M. bennani, M. benoit, D.M. berb.e, e. bertin, V. biagi, S. b.ettcher, M. bonanno, D. bouasla, A.b. boumaaza, J. bouta, M. bouwhuis, M. bozza, C. bozza, R.M. brânzaş, H. b.etaudeau, F. b.euhaus, M. bruijn, R. brunner, J. bruno, R. buis, e. buompane, R. busto, J. Caiffi, b. Calvo, D. Capone, A. Carenini, F. Carretero, V. Cartraud, T. Castaldi, P. Cecchini, V. Celli, S. Cerisy, L. Chabab, M. Chen, A. Cherubini, S. Chiarusi, T. Circella, M. Clark, R. Cocimano, R. Coelho, J.A.b. Coleiro, A. Condorelli, A. Coniglione, R. Coyle, P. Creusot, A. Cuttone, G. Dallier, R. De benedittis, A. De Martino, b. De Wasseige, G. Decoene, V. Del Rosso, I. Di Mauro, L.S. Di Palma, I. Díaz, A.F. Diego-Tortosa, D. Distefano, C. Domi, A. Donzaud, C. Dornic, D. Drakopoulou, e. Drouhin, D. Ducoin, J.-G. Dvornický, R. eberl, T. eckerová, e. eddymaoui, A. van eeden, T. eff, M. van eijk, D. el bojaddaini, I. el Hedri, S. ellajosyula, V. enzenhöfer, A. Ferrara, G. Filipović, M.D. Filippini, F. Franciotti, D. Fusco, L.A. Gagliardini, S. Gal, T. García Méndez, J. Garcia Soto, A. Gatius Oliver, C. Geißelb.echt, N. Genton, e. Ghaddari, H. Gialanella, L. Gibson, b.K. Giorgio, e. Goos, I. Goswami, P. Gozzini, S.R. Gracia, R. Guidi, C. Guillon, b. Gutiérrez, M. Haack, C. van Haren, H. Heijb.er, A. Hennig, L. Hernández-Rey, J.J. Idrissi Ibnsalih, W. Illuminati, G. Joly, D. de Jong, M. de Jong, P. Jung, b.J. Kistauri, G. Kopper, C. Kouchner, A. Kovalev, Y.Y. Kueviakoe, V. Kulikovskiy, V. Kvatadze, R. Labalme, M. Lahmann, R. Lamoureux, M. Larosa, G. Lastoria, C. Lazar, J. Lazo, A. Le Stum, S. Lehaut, G. Lemaître, V. Leonora, e. Lessing, N. Levi, G. Lindsey Clark, M. Longhitano, F. Magnani, F. Majumdar, J. Malerba, L. Mamedov, F. Manfreda, A. Marconi, M. Margiotta, A. Marinelli, A. Mar INFN Sezione di Catania (INFN-CT) Via Santa Sofia 64 Catania 95123 Italy Université de Strasbourg CNRS IPHC UMR 7178 Strasbourg F-67000 France Khalifa University Department of Physics PO Box 127788 Abu Dhabi 0000 United Arab Emirates Aix Marseille Univ CNRS IN2P3 CPPM Marseille France IFIC Instituto de Física Corpuscular (CSIC — Universitat de València) c/Catedrático José Beltrán 2 Valencia Paterna 46980 Spain INFN Sezione di Napoli Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli 80126 Italy Università di Napoli “Federico II” Dip. Scienze Fisiche “E. Pancini” Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli 80126 Italy INFN Sezione di Roma Piazzale Aldo Moro 2 Roma 00185 Italy Universitat Politècnica de Catalunya Laboratori d'Aplicacions Bioacústiques Centre Tecnològic de Vilanova i la Geltrú Avda. Rambla Exposició s/n Vilanova i la Geltrú 08800 Spain Subatech IMT Atlantique IN2P3 CNRS Nantes Université 4 rue Alfred Kastler — La Chantrerie Nantes BP 20722 44307 France Universitat Politècnica de València Instituto de Investigación para la Gestión Integrada de las Zonas Costeras C/ Paranimf 1 Gandia 46730 Spain Université Paris Cité CNRS Astroparticule et Cosmologie Paris F-75013 France Università di Genova Via Dodecaneso 33 Genova 16146 Italy INFN Sezione di Genova Via Dodecaneso 33 Genova 16146 Italy LPC CAEN Normandie Univ ENSICAEN UNICAEN CNRS IN2P3 6 boulevard Maréchal Juin Caen 14050 France Czech Technical University in Prague Institute of Experimental and Applied Physics Husova 240/5 Prague 110 00 Czech Republic Comenius University in Bratislava Department of Nuclear Physics and Biophysics Mlynska dolina F1 Bratislava 842 48 Slovakia INFN Sezione di Bologna v.le C. Berti-Pichat 6/2 Bologna 40127 Italy Università di Bologna Dipartimento di Fisica e Astronomia v.le C. Berti-Pichat 6/2 Bologna 40127 Italy Università degli Studi della Campania “Luigi Vanvitelli” Dip

Indirect dark matter detection methods are used to ob.erve the products of dark matter annihilations or decays originating from astrophysical ob.ects where large amounts of dark matter are thought to accumulate. With neutrino telescopes, an excess of neutrinos is searched for in nearby dark matter reservoirs, such as the Sun and the Galactic Centre, which could potentially produce a sizeab.e flux of Standard Model particles. The KM3NeT infrastructure, currently under construction, comprises the ARCA and ORCA undersea Čerenkov neutrino detectors located at two different sites in the Mediterranean Sea, offshore of Italy and France, respectively. The two detector configurations are optimised for the detection of neutrinos of different energies, enabling the search for dark matter particles with masses ranging from a few GeV/c² to hundreds of TeV/c². In this work, searches for dark matter annihilations in the Galactic Centre and the Sun with data samples taken with the first configurations of both detectors are presented. No significant excess over the expected background was found in either of the two analyses. Limits on the velocity-averaged self-annihilation cross section of dark matter particles are computed for five different primary annihilation channels in the Galactic Centre. For the Sun, limits on the spin-dependent and spin-independent scattering cross sections of dark matter with nucleons are given for three annihilation channels. © 2025 The Author(s)

关键词： dark matter detectors neutrino astronomy neutrino detectors

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Probing invisib.e neutrino decay with KM3NeT-ORCA

arXiv

引用

arXiv 2023年

作者： Aiello, S. Albert, A. Garre, S. Alves Aly, Z. Ambrosone, A. Ameli, F. Andre, M. Anghinolfi, M. Anguita, M. Ardid, M. Ardid, S. Aublin, J. bagatelas, C. bailly-Salins, L. baret, b. du Pree, S. basegmez becherini, Y. bendahman, M. benfenati, F. berb.e, e. bertin, V. biagi, S. b.ettcher, M. Cabo, M. bou boumaaza, J. bouta, M. bouwhuis, M. bozza, C. brânzaş, H. bruijn, R. brunner, J. bruno, R. buis, e. buompane, R. busto, J. Caiffi, b. Calvo, D. Campion, S. Capone, A. Carenini, F. Carretero, V. Castaldi, P. Celli, S. Cerisy, L. Chabab, M. Chau, N. Chen, A. el Moursli, R. Cherkaoui Cherubini, S. Chiarella, V. Chiarusi, T. Circella, M. Cocimano, R. Coelho, J.A.b. Coleiro, A. Coniglione, R. Coyle, P. Creusot, A. Cruz, A. Cuttone, G. Dallier, R. Darras, Y. De benedittis, A. De Martino, b. Decoene, V. Del burgo, R. Di Palma, I. Díaz, A.F. Diego-Tortosa, D. Distefano, C. Domi, A. Donzaud, C. Dornic, D. Dörr, M. Drakopoulou, e. Drouhin, D. eberl, T. eddyamoui, A. van eeden, T. eff, M. van eijk, D. el bojaddaini, I. el Hedri, S. enzenhöfer, A. espinosa, V. Ferrara, G. Filipović, M.D. Filippini, F. Fusco, L.A. Gabriel, J. Gal, T. Méndez, J. García Soto, A. Garcia Garufi, F. Oliver, C. Gatius Geißelb.echt, N. Gialanella, L. Giorgio, e. Girardi, A. Goos, I. Gozzini, S.R. Gracia, R. Graf, K. Guderian, D. Guidi, C. Guillon, b. Gutiérrez, M. Haegel, L. van Haren, H. Heijb.er, A. Hekalo, A. Hennig, L. Hernández-Rey, J.J. Huang, F. Ibnsalih, W. Idrissi Illuminati, G. James, C.W. Janezashvili, D. de Jong, M. de Jong, P. Jung, b.J. Kalaczyński, P. Kalekin, O. Katz, U.F. Chowdhury, N.R. Khan Kistauri, G. van der Knaap, F. Kooijman, P. Kouchner, A. Kulikovskiy, V. Labalme, M. Lahmann, R. Lakhal, A. Lamoureux, M. Larosa, G. Lastoria, C. Lazo, A. Le b.eton, R. Le Stum, S. Lehaut, G. Leonora, e. Lessing, N. Levi, G. Liang, S. Clark, M. Lindsey Longhitano, F. Maderer, L. Majumdar, J. Mańczak, J. Margiotta, A. Marinelli, A. Markou, C. INFN Sezione di Catania Via Santa Sofia 64 Catania95123 Italy Université de Strasbourg CNRS IPHC UMR 7178 StrasbourgF-67000 France c/Catedrático José Beltrán 2 Valencia Paterna46980 Spain Aix Marseille Univ CNRS IN2P3 CPPM Marseille France INFN Sezione di Napoli Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli80126 Italy Università di Napoli "Federico II" Dip. Scienze Fisiche "E. Pancini" Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli80126 Italy INFN Sezione di Roma Piazzale Aldo Moro 2 Roma00185 Italy Universitat Politècnica de Catalunya Laboratori d’Aplicacions Bioacústiques Centre Tecnològic de Vilanova i la Geltrú Avda. Rambla Exposició s/n Vilanova i la Geltrú08800 Spain INFN Sezione di Genova Via Dodecaneso 33 Genova16146 Italy University of Granada Dept. of Computer Architecture and Technology/CITIC Granada18071 Spain Universitat Politècnica de València Instituto de Investigación para la Gestión Integrada de las Zonas Costeras C/ Paranimf 1 Gandia46730 Spain Université de Paris CNRS Astroparticule et Cosmologie ParisF-75013 France NCSR Demokritos Institute of Nuclear and Particle Physics Ag. Paraskevi Attikis Athens15310 Greece LPC CAEN Normandie Univ ENSICAEN UNICAEN CNRS IN2P3 6 boulevard Maréchal Juin Caen14050 France Nikhef National Institute for Subatomic Physics PO Box 41882 Amsterdam1009 DB Netherlands University Mohammed V in Rabat Faculty of Sciences 4 av. Ibn Battouta B.P. 1014 RabatR.P. 10000 Morocco INFN Sezione di Bologna v.le C. Berti-Pichat 6/2 Bologna40127 Italy Università di Bologna Dipartimento di Fisica e Astronomia v.le C. Berti-Pichat 6/2 Bologna40127 Italy INFN Laboratori Nazionali del Sud Via S. Sofia 62 Catania95123 Italy North-West University Centre for Space Research Private Bag X6001 Potchefstroom2520 South Africa Instituto Español de Oceanografía Unidad Mixta IEO-UPV C/ Paranimf 1 Gandia46730 Spain University Mohammed I Fac

In the era of precision measurements of the neutrino oscillation parameters, upcoming neutrino experiments will also be sensitive to physics beyond the Standard Model. KM3NeT/ORCA is a neutrino detector optimised for measuring atmospheric neutrinos from a few GeV to around 100 GeV. In this paper, the sensitivity of the KM3NeT/ORCA detector to neutrino decay has b.en explored. A three-flavour neutrino oscillation scenario, where the third neutrino mass state ν3 decays into an invisib.e state, e.g. a sterile neutrino, is considered. We find that KM3NeT/ORCA would be sensitive to invisib.e neutrino decays with 1/α3 = τ3/m3 23, ∆m231 and mass ordering have b.en studied. No significant effect of neutrino decay on the sensitivity to these measurements has b.en found. Copyright © 2023, The Authors. All rights reserved.

关键词： Germanium alloys

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Main belt asteroids taxonomical information from Dark energy Survey data

arXiv

引用

arXiv 2023年

作者： Carruba, Valerio Camargo, Júlio I.b. Aljbaae, Safwan Ferreira, F.S. Lin, e. Figueiredo-Peixoto, V. banda-Huarca, M.V. Pieres, A. boufleur, R.C. da Costa, L.N. Abbott, T.M.C. Aguena, M. Allam, Sahar S. Alves, O. bernardinelli, P.H. bertin, e. brooks, D. Carnero Rosell, A. Carretero, J. Pereira, M.e.S. Davis, T.M. De Vicente, J. Desai, S. Doel, P. Ferrero, I. Friedel, D. Frieman, J. García-bellido, J. Gatti, M. Giannini, G. Gruen, D. Gruendl, R.A. Herner, K. Hinton, S.R. Hollowood, D.L. James, D.J. Kent, S. Kuehn, K. Lahav, O. Marshall, J.L. Mena-Fernández, J. Miquel, R. Palmese, A. Plazas Malagón, A.A. Rodríguez-Monroy, M. Sanchez, e. Santiago, b. Schub.ell, M. Smith, M. Suchyta, e. Swanson, M.e.C. Tarle, G. Walker, A.R. Weaverdyck, N. Wiseman, P. School of Natural Sciences and Engineering Brazil Laboratório Interinstitucional de e-Astronomia - LIneA Brazil Observatório Nacional Rua Gal. José Cristino 77 RJ Rio de Janeiro20921-400 Brazil Division of Space Mechanics and Control C.P. 515 SP São José dos Campos12227-310 Brazil Department of Physics University of Michigan Ann ArborMI48109 United States IGeo - Universidade Federal do Rio de Janeiro Av. Athos da Silveira Ramos 274 RJ Rio de Janeiro21941-916 Brazil Cerro Tololo Inter-American Observatory NSF’s National Optical-Infrared Astronomy Research Laboratory Casilla 603 La Serena Chile Fermi National Accelerator Laboratory P. O. Box 500 BataviaIL60510 United States Astronomy Department University of Washington Box 351580 SeattleWA98195 United States CNRS UMR 7095 Institut d’Astrophysique de Paris ParisF-75014 France Sorbonne Universités UPMC Univ Paris 06 UMR 7095 Institut d’Astrophysique de Paris ParisF-75014 France Department of Physics & Astronomy University College London Gower Street LondonWC1E 6BT United Kingdom Instituto de Astrofisica de Canarias Tenerife La LagunaE-38205 Spain Universidad de La Laguna Dpto. AstrofÃsica Tenerife La LagunaE-38206 Spain The Barcelona Institute of Science and Technology Campus UAB Bellaterra Barcelona08193 Spain Hamburger Sternwarte Universität Hamburg Gojenbergsweg 112 Hamburg21029 Germany School of Mathematics and Physics University of Queensland BrisbaneQLD4072 Australia Madrid Spain Department of Physics IIT Hyderabad Telangana Kandi502285 India Institute of Theoretical Astrophysics University of Oslo. P.O. Box 1029 Blindern OsloNO-0315 Norway Center for Astrophysical Surveys National Center for Supercomputing Applications 1205 West Clark St. UrbanaIL61801 United States Kavli Institute for Cosmological Physics University of Chicago ChicagoIL60637 United States Instituto de Fisica Teorica UAM/CSIC Universidad Autonoma de Madrid Madrid28049 Spain Department

While proper orbital elements are currently availab.e for more than 1 million asteroids, taxonomical information is still lagging behind. Surveys like SDSS-MOC4 provided preliminary information for more than 100,000 ob.ects, but many asteroids still lack even a basic taxonomy. In this study, we use Dark energy Survey (DeS) data to provide new information on asteroid physical properties. by cross-correlating the new DeS database with other databases, we investigate how asteroid taxonomy is reflected in DeS data. While the resolution of DeS data is not sufficient to distinguish between different asteroid taxonomies within the complexes, except for V-type ob.ects, it can provide information on whether an asteroid belongs to the C- or S-complex. Here, machine learning methods optimized through the use of genetic algorithms were used to predict the labels of more than 68 000 asteroids with no prior taxonomic information. Using a high-quality, limited set of asteroids with data on gri slopes and i − z colors, we detected 409 new possib.e V-type asteroids. Their orbital distribution is highly consistent with that of other known V-type ob.ects. © 2023, CC bY.

关键词： Taxonomies

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embedded Software of the KM3NeT Central Logic board

arXiv

引用

arXiv 2023年

作者： Aiello, S. Albert, A. Alves Garre, S. Aly, Z. Ambrosone, A. Ameli, F. Andre, M. Androutsou, e. Anghinolfi, M. Anguita, M. Aphecetche, L. Ardid, M. Ardid, S. Atmani, H. Aublin, J. bagatelas, C. bailly-Salins, L. bardačová, Z. baret, b. du Pree, S. basegmez becherini, Y. bendahman, M. benfenati, F. benhassi, M. benoit, D.M. berb.e, e. bertin, V. van beveren, V. biagi, S. b.ettcher, M. boumaaza, J. bouta, M. bouwhuis, M. bozza, C. bozza, R.M. brânzaş, H. b.etaudeau, F. bruijn, R. brunner, J. bruno, R. buis, e. buompane, R. busto, J. Caiffi, b. Calvo, D. Campion, S. Capone, A. Carenini, F. Carretero, V. Cartraud, T. Castaldi, P. Cecchini, V. Celli, S. Cerisy, L. Chabab, M. Chadolias, M. Chen, A. Cherubini, S. Chiarusi, T. Circella, M. Cocimano, R. Coelho, J.A.b. Coleiro, A. Coniglione, R. Coyle, P. Creusot, A. Cruz, A. Cuttone, G. Dallier, R. Darras, Y. De benedittis, A. De Martino, b. Decoene, V. Del burgo, R. Di Mauro, L.S. Di Palma, I. Díaz, A.F. Diego-Tortosa, D. Distefano, C. Domi, A. Donzaud, C. Dornic, D. Dörr, M. Drakopoulou, e. Drouhin, D. Dvornický, R. eberl, T. eckerová, e. eddymaoui, A. van eeden, T. eff, M. van eijk, D. el bojaddaini, I. el Hedri, S. enzenhöfer, A. Ferrara, G. Filipović, M.D. Filippini, F. Fusco, L.A. Gabella, O. Gabriel, J. Gagliardini, S. Gal, T. García Méndez, J. Garcia Soto, A. Gatius Oliver, C. Geißelb.echt, N. Ghaddari, H. Gialanella, L. Gibson, b.K. Giorgio, e. Girardi, A. Goos, I. Goupilliere, D. Gozzini, S.R. Gracia, R. Graf, K. Guidi, C. Guillon, b. Gutiérrez, M. van Haren, H. Heijb.er, A. Hekalo, A. Hennig, L. Hernández-Rey, J.J. Huang, F. Idrissi Ibnsalih, W. Illuminati, G. James, C.W. Jansweijer, P. de Jong, M. de Jong, P. Jung, b.J. Kalaczyński, P. Kalekin, O. Katz, U.F. Khan Chowdhury, N.R. Khatun, A. Kistauri, G. Kopper, C. Kouchner, A. Kulikovskiy, V. Kvatadze, R. Labalme, M. Lahmann, R. Larosa, G. Lastoria, C. Lazo, A. Le Stum, S. Lehaut, G. Leonora, e. INFN Sezione di Catania Via Santa Sofia 64 Catania95123 Italy Université de Strasbourg CNRS IPHC UMR 7178 StrasbourgF-67000 France IFIC - Instituto de Física Corpuscular CSIC - Universitat de València c/Catedrático José Beltrán 2 Paterna Valencia46980 Spain Aix Marseille Univ. CNRS IN2P3 CPPM Marseille France INFN Sezione di Napoli Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli80126 Italy Università di Napoli "Federico II" Dip. Scienze Fisiche "E. Pancini" Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli80126 Italy INFN Sezione di Roma Piazzale Aldo Moro 2 Roma00185 Italy Universitat Politècnica de Catalunya Laboratori d’Aplicacions Bioacústiques Centre Tecnològic de Vilanova i la Geltrú Avda. Rambla Exposició s/n Vilanova i la Geltrú08800 Spain NCSR Demokritos Institute of Nuclear and Particle Physics Ag. Paraskevi Attikis Athens15310 Greece INFN Sezione di Genova Via Dodecaneso 33 Genova16146 Italy University of Granada Dept. of Computer Architecture and Technology CITIC Granada18071 Spain Subatech IMT Atlantique IN2P3-CNRS Université de Nantes 4 rue Alfred Kastler - La Chantrerie BP 20722 Nantes44307 France Universitat Politècnica de València Instituto de Investigación para la Gestión Integrada de las Zonas Costeras C/Paranimf 1 Gandia46730 Spain University Mohammed V in Rabat Faculty of Sciences 4 av. Ibn Battouta B.P. 1014 RabatR.P. 10000 Morocco Université Paris Cité CNRS Astroparticule et Cosmologie ParisF-75013 France LPC CAEN Normandie Univ. ENSICAEN UNICAEN CNRS IN2P3 6 boulevard Maréchal Juin Caen14050 France Czech Technical University in Prague Institute of Experimental and Applied Physics Husova 240/5 Prague110 00 Czech Republic Comenius University in Bratislava Department of Nuclear Physics and Biophysics Mlynska dolina F1 Bratislava842 48 Slovakia National Institute for Subatomic Physics PO Box 41882 Amsterdam1009 DB Netherlands INFN Sezione di Bologna

The KM3NeT Collaboration is building and operating two deep sea neutrino telescopes at the bottom of the Mediterranean Sea. The telescopes consist of latices of photomultiplier tubes housed in pressure-resistant glass spheres, called digital optical modules and arranged in vertical detection units. The two main scientific goals are the determination of the neutrino mass ordering and the discovery and ob.ervation of high-energy neutrino sources in the Universe. Neutrinos are detected via the Cherenkov light, which is induced by charged particles originated in neutrino interactions. The photomultiplier tubes convert the Cherenkov light into electrical signals that are acquired and timestamped by the acquisition electronics. each optical module houses the acquisition electronics for collecting and timestamping the photomultiplier signals with one nanosecond accuracy. Once finished, the two telescopes will have installed more than six thousand optical acquisition nodes, completing one of the more complex networks in the world in terms of operation and synchronization. The embedded software running in the acquisition nodes has b.en designed to provide a framework that will operate with different hardware versions and functionalities. The hardware will not be accessib.e once in operation, which complicates the embedded software architecture. The embedded software provides a set of tools to facilitate remote manageability of the deployed hardware, including safe reconfiguration of the firmware. This paper presents the architecture and the techniques, methods and implementation of the embedded software running in the acquisition nodes of the KM3NeT neutrino telescopes. © 2023, CC bY-NC-ND.

关键词： Photomultipliers

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A Temporally and Spatially explicit, Mechanistic estimation of Ragweed Pollen Concentrations Across europe

SSRN

引用

SSRN 2023年

作者： Makra, László Matyasovszky, István Tusnády, Gábor Ziska, Lewis H. Hess, Jeremy J. Nyúl, László G. Chapman, Daniel S. Coviello, Luca Gobbi, Andrea Jurman, Giuseppe Furlanello, Cesare brunato, Mauro Damialis, Athanasios Charalampopoulos, Athanasios Müller-Schärer, Heinz Schneider, Norbert Szabó, bence Sümeghy, Zoltán Páldy, Anna Magyar, Donát bergmann, Karl-Christian Deák, Áron József Mikó, edit Thibaudon, Michel Oliver, Gilles Albertini, Roberto bonini, Maira Šikoparija, branko Radišić, Predrag Mitrović Josipović, Mirjana Gehrig, Regula Severova, elena Rodinkova, Victoria Palamarchuk, Olena Stjepanović, barbara Ianovici, Nicoleta berger, Uwe Kofol Seliger, Andreja Rybníček, Ondřej Myszkowska, Dorota Dąbrowska-Zapart, Katarzyna Majkowska-Wojciechowska, barbara Weryszko-Chmielewska, elzb.eta Grewling, Lukasz Rapiejko, Piotr Malkiewicz, Malgorzata Šaulienė, Ingrida Shalaboda, Valentina Prykhodo, Olexander Maleeva, Anna Ščevková, Jana bullock, James M. Institute of Economics and Rural Development Faculty of Agriculture University of Szeged Andrássy út 15 Hódmezővásárhely6800 Hungary Department of Meteorology Eötvös Loránd University P.O.B. 32 Budapest1518 Hungary Alfréd Rényi Institute of Mathematics P.O.B 127 Budapest1364 Hungary Mailman School of Public Health Columbia University New YorkNY10032 United States Department of Global Health University of Washington SeattleWA98105 United States Department of Image Processing and Computer Graphics University of Szeged P.O.B. 652 Szeged6701 Hungary Biological and Environmental Sciences Faculty of Natural Sciences University of Stirling Scotland StirlingFK9 4LA United Kingdom University of Trento Enogis s.r.l. Trento Italy Bruno Kessler Foundation Trento Italy HK3 Lab Orobix Life Srl Rovereto Bergamo Italy Department of Information Engineering and Computer Science University of Trento Trento Italy Terrestrial Ecology and Climate Change Department of Ecology School of Biology Aristotle University of Thessaloniki ThessalonikiGR-54124 Greece Departement of Biology Unit of Ecology and Evolution University of Fribourg FribourgCH-1700 Switzerland National Institute of Environmental Health Albert Flórián út 2-6 Budapest1097 Hungary Institute of Allergology Charité Hindenburgdamm 30 Berlin12203 Germany Institute of Animal Science and Wildlife Management Faculty of Agriculture University of Szeged Andrássy út 15 Hódmezővásárhely6800 Hungary Réseau National de Surveillance Aérobiologique 11 chemin de la Creuzille Le Plat du Pin Brussieu696905 France Laboratory of Hygiene and Aerobiology Department of Medicine and Surgery University of Parma U.O. Medicina Interna di Continuità Azienda Ospedaliero-Universitaria di Parma Via Gramsci 14 Parma43126 Italy Hygiene and Public Health Service via Spagliardi 19 Parabiago Milan20015 Italy BioSensе Institute Research Institute for Information Technologies in Biosystems University of Novi Sad Dr

Ongoing and future climate change driven expansion of aeroallergen-producing plant species comprise a major human health prob.em across europe and elsewhere. There is an urgent need to produce accurate, temporally dynamic maps at the continental level, especially in the context of climate uncertainty. This study aimed to restore missing daily ragweed pollen data sets for europe, to produce phenological maps of ragweed pollen, resulting in the most complete and detailed high-resolution ragweed pollen concentration maps to date. To achieve this, we developed two statistical procedures, a Gaussian method (GM) and deep learning (DL) for restoring missing daily ragweed pollen data sets, based on the plant’s reproductive and growth (phenological, pollen production and frost-related) characteristics. DL model performances were consistently better for estimating annual total pollen concentrations than those of the GM approach. These are the first published modeled maps using altitude correction and phenology to recover missing pollen information. We created a web page (http://***/), including daily ragweed pollen concentration data sets of the stations examined and their restored daily data, allowing one to upload newly measured or recovered daily data. Generation of these maps provides a means to track pollen impacts in the context of climatic shifts, identify geographical regions with high pollen exposure, determine areas of future vulnerability, apply spatially-explicit mitigation measures and prioritize management interventions. © 2023, The Authors. All rights reserved.

关键词： Climate change

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