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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 Breton, Dominique Brigatti, Augusto Brugnera, Riccardo Bruno, Riccardo Budano, Antonio Buscemi, Mario Busto, Jose Butorov, Ilya Cabrera, 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 Observatory (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 sizable 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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A repeating fast radio burst source in a low-luminosity dwarf galaxy

arXiv

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arXiv 2024年

作者： Hewitt, Danté M. Bhardwaj, Mohit Gordon, Alexa C. Kirichenko, Aida Nimmo, Kenzie Bhandari, Shivani Cognard, Ismaël Fong, Wen-Fai de Paz, Armando Gil Gopinath, Akshatha Hessels, Jason W.T. Kirsten, Franz Marcote, Benito Bezrukovs, Vladislavs Blaauw, Richard Bray, Justin D. Buttaccio, Salvatore Cassanelli, Tomas Chawla, Pragya Corongiu, Alessandro Deng, William Didehbani, Hannah N. Dong, Yuxin Gawroński, Marcin P. Giroletti, Marcello Guillemot, Lucas Huang, Jeff Joseph, Ronniy C. Kaspi, Victoria M. Lazda, Mattias Lindqvist, Michael Giuseppe, Maccaferri Mas-Ribas, Lluis Masui, Kiyoshi W. McKinven, Ryan Michilli, Daniele Nugent, Anya E. Ould-Boukattine, Omar S. Paragi, Zsolt Pearlman, Aaron B. Pen, Ue-Li Pleunis, Ziggy Sand, Ketan R. Shah, Vishwangi Shin, Kaitlyn Snelders, Mark P. Venturi, Tiziana Wang, Na Williams-Baldwin, David R.A. Yang, Jun Yuan, Jianping P. Ivanov, Dmitriy V. Kharinov, Mikhail A. Melnikov, Alexey Mikhailov, Andrey G. Anton Pannekoek Institute for Astronomy University of Amsterdam Science Park 904 Amsterdam1098 XH Netherlands McWilliams Center for Cosmology Department of Physics Carnegie Mellon University PittsburghPA15213 United States Department of Physics and Astronomy Northwestern University EvanstonIL60208 United States Instituto de Astronomía Universidad Nacional Autónoma de México Apdo. Postal 877 Baja California Ensenada22800 Mexico MIT Kavli Institute for Astrophysics and Space Research Massachusetts Institute of Technology 77 Massachusetts Ave CambridgeMA02139 United States ASTRON Netherlands Institute for Radio Astronomy Oude Hoogeveensedijk 4 Dwingeloo7991 PD Netherlands Joint Institute for VLBI ERIC Oude Hoogeveensedijk 4 Dwingeloo7991 PD Netherlands CSIRO Space and Astronomy Australia Telescope National Facility PO Box 76 EppingNSW1710 Australia Observatoire Radioastronomique de Nançay Observatoire de Paris Université PSL Université d’Orléans CNRS Nançay18330 France Departamento de Física de la Tierra y Astrofísica Facultad de CC. Físicas Universidad Complutense de Madrid MadridE-28040 Spain Instituto de Física de Partículas y del Cosmos IPARCOS Facultad de CC. Físicas Universidad Complutense de Madrid MadridE-28040 Spain Trottier Space Institute McGill University 3550 rue University MontréalQCH3A 2A7 Canada Department of Physics McGill University 3600 rue University MontréalQCH3A 2T8 Canada Department of Space Earth and Environment Chalmers University of Technology Onsala Space Observatory Onsala439 92 Sweden Ventspils University of Applied Sciences Inzenieru street 101 VentspilsLV-3601 Latvia Jodrell Bank Centre for Astrophysics School of Physics and Astronomy The University of Manchester Alan Turing Building Oxford Road ManchesterM13 9PL United Kingdom INAF-Osservatorio Astrofisico di Catania via Santa Sofia 78 CataniaI-95123 Italy INAF-Istituto di Radioastronomia Via Gobetti 101 Bologna40129 Italy Department o

We present the localization and host galaxy of FRB 20190208A, a repeating source of fast radio bursts (FRBs) discovered using CHIME/FRB. As part of the PRECISE repeater localization program on the EVN, we monitored FRB 20190208A for 65.6 hours at ∼ 1.4 GHz and detected a single burst, which led to its VLBI localization with 260 mas uncertainty (2σ). Follow-up optical observations with the MMT Observatory (i 25.7 mag (AB)) found no visible host at the FRB position. Subsequent deeper observations with the GTC, however, revealed an extremely faint galaxy (r = 27.32±0.16 mag), very likely (99.95 %) associated with FRB 20190208A. Given the dispersion measure of the FRB (∼ 580 pc cm−3), even the most conservative redshift estimate (zmax ∼ 0.83) implies that this is the lowest-luminosity FRB host to date ( 108L☉), even less luminous than the dwarf host of FRB 20121102A. We investigate how localization precision and the depth of optical imaging affect host association, and discuss the implications of such a low-luminosity dwarf galaxy. Unlike the other repeaters with low-luminosity hosts, FRB 20190208A has a modest Faraday rotation measure of a few tens of rad m−2, and EVN plus VLA observations reveal no associated compact persistent radio source. We also monitored FRB 20190208A for 40.4 hours over 2 years as part of the ÉCLAT repeating FRB monitoring campaign on the Nançay Radio Telescope, and detected one burst. Our results demonstrate that, in some cases, the robust association of an FRB with a host galaxy will require both high localization precision, as well as deep optical follow-up. Copyright © 2024, The Authors. All rights reserved.

关键词： Luminescence of solids

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Search for flavour-changing neutral current interactions of the top quark and the Higgs boson in events with a pair of τ-leptons in p p collisions at √s = 13 TeV with the ATLAS detector

arXiv

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arXiv 2022年

作者： Aad, G. Abbott, B. Abbott, D.C. Abeling, K. Abidi, S.H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y. Hoffman, A.C. Abusleme Acharya, B.S. Achkar, B. Adam, L. Bourdarios, C. Adam Adamczyk, L. Adamek, L. Addepalli, S.V. Adelman, J. Adiguzel, A. Adorni, S. Adye, T. Affolder, A.A. Afik, Y. Agaras, M.N. Agarwala, J. Aggarwal, A. Agheorghiesei, C. Aguilar-Saavedra, J.A. Ahmad, A. Ahmadov, F. Ahmed, W.S. Ahuja, S. Ai, X. Aielli, G. Aizenberg, I. Akbiyik, M. Åkesson, T.P.A. Akimov, A.V. Khoury, K. Al Alberghi, G.L. Albert, J. Albicocco, P. Verzini, M.J. Alconada Alderweireldt, S. Aleksa, M. Aleksandrov, I.N. Alexa, C. Alexopoulos, T. Alfonsi, A. Alfonsi, F. Alhroob, M. Ali, B. Ali, S. Aliev, M. Alimonti, G. Allaire, C. Allbrooke, B.M.M. Allport, P.P. Aloisio, A. Alonso, F. Alpigiani, C. Camelia, E. Alunno Estevez, M. Alvarez Alviggi, M.G. Coutinho, Y. Amaral Ambler, A. Amelung, C. Ames, C.G. Amidei, D. Dos Santos, S.P. Amor Amoroso, S. Amos, K.R. Amrouche, C.S. Ananiev, V. Anastopoulos, C. Andari, N. Andeen, T. Anders, J.K. Andrean, S.Y. Andreazza, A. Angelidakis, S. Angerami, A. Anisenkov, A.V. Annovi, A. Antel, C. Anthony, M.T. Antipov, E. Antonelli, M. Antrim, D.J.A. Anulli, F. Aoki, M. Pozo, J.A. Aparisi Aparo, M.A. Bella, L. Aperio Appelt, C. Aranzabal, N. Ferraz, V. Araujo Arcangeletti, C. Arce, A.T.H. Arena, E. Arguin, J.-F. Argyropoulos, S. Arling, J.-H. Armbruster, A.J. Arnaez, O. Arnold, H. Tame, Z.P. Arrubarrena Artoni, G. Asada, H. Asai, K. Asai, S. Asbah, N.A. Asimakopoulou, E.M. Assahsah, J. Assamagan, K. Astalos, R. Atkin, R.J. Atkinson, M. Atlay, N.B. Atmani, H. Atmasiddha, P.A. Augsten, K. Auricchio, S. Auriol, A.D. Austrup, V.A. Avner, G. Avolio, G. Axiotis, K. Ayoub, M.K. Azuelos, G. Babal, D. Bachacou, H. Bachas, K. Bachiu, A. Backman, F. Badea, A. Bagnaia, P. Bahmani, M. Bailey, A.J. Bailey, V.R. Baines, J.T. Bakalis, C. Baker, O.K. Bakker, P.J. Bakos, E. Gupta, D. Bakshi Balaji, S. Balasubramanian, R. Department of Physics University of Adelaide Adelaide Australia Department of Physics University of Alberta EdmontonAB Canada Department of Physics Ankara University Ankara Turkey Division of Physics TOBB University of Economics and Technology Ankara Turkey LAPP Univ. Savoie Mont Blanc CNRS/IN2P3 Annecy France APC Université Paris Cité CNRS IN2P3 Paris France High Energy Physics Division Argonne National Laboratory ArgonneIL United States Department of Physics University of Arizona TucsonAZ United States Department of Physics University of Texas at Arlington ArlingtonTX United States Physics Department National and Kapodistrian University of Athens Athens Greece Physics Department National Technical University of Athens Zografou Greece Department of Physics University of Texas at Austin AustinTX United States Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan Barcelona Institute of Science and Technology Barcelona Spain Institute of High Energy Physics Chinese Academy of Sciences Beijing China Physics Department Tsinghua University Beijing China Department of Physics Nanjing University Nanjing China Beijing China Institute of Physics University of Belgrade Belgrade Serbia Department for Physics and Technology University of Bergen Bergen Norway Physics Division Lawrence Berkeley National Laboratory BerkeleyCA United States Institut für Physik Humboldt Universität zu Berlin Berlin Germany Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics University of Bern Bern Switzerland School of Physics and Astronomy University of Birmingham Birmingham United Kingdom Department of Physics Bogazici University Istanbul Turkey Department of Physics Engineering Gaziantep University Gaziantep Turkey Department of Physics Istanbul University Istanbul Turkey Istinye University Sariyer Istanbul Turkey Facultad de Ciencias y Centro de Investigaciónes Universidad Antonio Nariño Bogotá Colom

A search for flavour-changing neutral current (FCNC) tqH interactions involving a top quark, another up-type quark (q = u, c), and a Standard Model (SM) Higgs boson decaying into a τ-lepton pair (H → τ+τ−) is presented. The search is based on a dataset of pp collisions at √s = 13 TeV that corresponds to an integrated luminosity of 139 fb−1 recorded with the ATLAS detector at the Large Hadron Collider. Two processes are considered: single top quark FCNC production in association with a Higgs boson (pp → tH), and top quark pair production in which one of top quarks decays into Wb and the other decays into qH through the FCNC interactions. The search selects events with two hadronically decaying τ-lepton candidates (τhad) or at least one τhad with an additional lepton (e, μ), as well as multiple jets. Event kinematics is used to separate signal from the background through a multivariate discriminant. A slight excess of data is observed with a significance of 2.3σ above the expected SM background, and 95% CL upper limits on the t → qH branching ratios are derived. The observed (expected) 95% CL upper limits set on the t → cH and t → uH branching ratios are (formula presented) and (formula presented)), respectively. The corresponding combined observed (expected) upper limits on the dimension-6 operator Wilson coefficients in the effective tqH couplings are Cc u © 2022, CC BY.

关键词： Bosons

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Observation of large scale precursor correlations between cosmic rays and earthquakes

arXiv

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arXiv 2022年

作者： Homola, Piotr Marchenko, V. Napolitano, A. Damian, R. Guzik, R. Alvarez-Castillo, D. Stuglik, S. Ruimi, O. Skorenok, O. Zamora-Saa, J. Vaquero, J.M. Wibig, T. Knap, M. Dziadkowiec, K. Karpiel, M. Sushchov, O. Mietelski, J.W. Gorzkiewicz, K. Zabari, N. Almeida Cheminant, K. Idźkowski, B. Bulik, T. Bhatta, G. Budnev, N. Kamiński, R. Medvedev, M.V. Kozak, K. Bar, O. Bibrzycki, L. Bielewicz, M. Frontczak, M. Kovács, P. Lozowski, B. Miszczyk, J. Niedźwiecki, M. del Peral, L. Piekarczyk, M. Rodriguez Frias, M.D. Rzecki, K. Smelcerz, K. Sośnicki, T. Stasielak, J. Tursunov, A.A. Institute of Nuclear Physics Polish Academy of Sciences Kraków31-342 Poland Racah Institute of Physics Hebrew University of Jerusalem IL Jerusalem91904 Israel Departamento de Ciencias Físicas Universidad Andres Bello Fernández Concha 700 Las Condes Santiago Chile Millennium Institute for Subatomic Physics at High Energy Frontier - SAPHIR Fernández Concha 700 Las Condes Santiago Chile Jerzy Haber Institute of Catalysis and Surface Chemistry Polish Academy of Sciences Kraków30-239 Poland Astroparticle Physics Amateur Zakopane34-500 Poland Departamento de Física Centro Universitario de Mérida Universidad de Extremadura Avda. Santa Teresa de Jornet 38 Mérida BadajozE-06800 Spain Astronomical Observatory University of Warsaw Al. Ujazdowskie 4 Warsaw00-478 Poland Taras Shevchenko National University of Kyiv Kyiv01601 Ukraine AGH University of Science and Technology ul. Mickiewicza 30 Kraków30-059 Poland Astrocent Nicolaus Copernicus Astronomical Center Rektorska 4 Warsaw00-614 Poland Pedagogical University of Krakow Podchorążych 2 Kraków30-084 Poland Institute of Physics Silesian University in Opava Bezručovo nám. 13 OpavaCZ-74601 Czech Republic Space and Astroparticle Group University of Alcalá Ctra. Madrid-Barcelona Km. 33.7 MadridE-28871 Spain Wigner Research Centre for Physics Konkoly-Thege Miklós út 29-33 BudapestH-1121 Hungary Department of Theoretical Physics Faculty of Physics and Applied Informatics University of Lodz Pomorska 149/153 LodzPL-90-236 Poland University of Napoli Parthenope Department of Engineering Centro Direzionale Isola C4 Napoli80143 Italy Irkutsk State University Physical Department K.Marx str. 1 Irkutsk664003 Russia Astroparticle Physics Amateur Dobromierz58-170 Poland Department of Physics and Astronomy University of Kansas LawrenceKS66045 United States Laboratory for Nuclear Science Massachusetts Institute of Technology CambridgeMA02139 United States Faculty of Natural Sciences University of S

The search for correlations between secondary cosmic ray detection rates and seismic effects has long been a subject of investigation motivated by the hope of identifying a new precursor type that could feed a global early warning system against earthquakes. Here we show for the first time that the average variation of the cosmic ray detection rates correlates with the global seismic activity to be observed with a time lag of approximately two weeks, and that the significance of the effect varies with a periodicity resembling the undecenal solar cycle, with a shift in phase of around three years, exceeding 6 σ at local maxima. The precursor characteristics of the observed correlations point to a pioneer perspective of an early warning system against earthquakes. © 2022, CC BY.

关键词： Cosmic rays

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Measurement of the Higgs boson mass in the H → ZZ^⁎ → 4ℓ decay channel using 139 fb⁻¹ of s=13 TeV pp collisions recorded by the ATLAS detector at the LHC

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Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 2023年 843卷

作者： Aad, G. Abbott, B. Abbott, D.C. Abed Abud, A. Abeling, K. Abhayasinghe, D.K. Abidi, S.H. AbouZeid, O.S. Abraham, N.L. Abramowicz, H. Abreu, H. Abreu, R. Abulaiti, Y. Acharya, B.S. Achkar, B. Adam, L. Adam Bourdarios, C. Adamczyk, L. Adamek, L. Adelman, J. Adersberger, M. Adiguzel, A. Adorni, S. Adye, T. Affolder, A.A. Afik, Y. Agapopoulou, C. Agaras, M.N. Aggarwal, A. Agheorghiesei, C. Aguilar-Saavedra, J.A. Ahmad, A. Ahmadov, F. Ahmed, W.S. Ai, X. Aielli, G. Akatsuka, S. Akbiyik, M. Åkesson, T.P.A. Akilli, E. Akimov, A.V. Al Khoury, K. Alberghi, G.L. Albert, J. Alconada Verzini, M.J. Alderweireldt, S. Aleksa, M. Aleksandrov, I.N. Alexa, C. Alexopoulos, T. Alfonsi, A. Alfonsi, F. Alhroob, M. Ali, B. Ali, S. Aliev, M. Alimonti, G. Allaire, C. Allbrooke, B.M.M. Allen, B.W. Allport, P.P. Aloisio, A. Alonso, F. Alpigiani, C. Alunno Camelia, E. Alvarez Estevez, M. Alviggi, M.G. Amaral Coutinho, Y. Ambler, A. Ambroz, L. Amelung, C. Amidei, D. Amor Dos Santos, S.P. Amoroso, S. Amrouche, C.S. An, F. Anastopoulos, C. Andari, N. Andeen, T. Anders, J.K. Andrean, S.Y. Andreazza, A. Andrei, V. Anelli, C.R. Angelidakis, S. Angerami, A. Anisenkov, A.V. Annovi, A. Antel, C. Anthony, M.T. Antipov, E. Antonelli, M. Antrim, D.J.A. Anulli, F. Aoki, M. Aparisi Pozo, J.A. Aparo, M.A. Aperio Bella, L. Aranzabal Barrio, N. Araujo Ferraz, V. Araujo Pereira, R. Arcangeletti, C. Arce, A.T.H. Arduh, F.A. Arguin, J.-F. Argyropoulos, S. Arling, J.-H. Armbruster, A.J. Armstrong, A. Arnaez, O. Arnold, H. Arrubarrena Tame, Z.P. Artoni, G. Asada, H. Asai, K. Asai, S. Asawatavonvanich, T. Asbah, N. Asimakopoulou, E.M. Asquith, L. Assahsah, J. Assamagan, K. Astalos, R. Atkin, R.J. Atkinson, M. Atlay, N.B. Atmani, H. Augsten, K. Aukerman, A.T. Austrup, V.A. Avolio, G. Ayoub, M.K. Azuelos, G. Bachacou, H. Bachas, K. Backes, M. Backman, F. Bagnaia, P. Bahmani, M. Bahrasemani, H. Bailey, A.J. Bailey, V.R. Baines, J.T. Bakalis, C. Baker, O.K. Bakker, P.J. Bakos, E. Bakshi Gupta, D. Balaji, S. Balasubramanian, R. Baldin, E.M. Balek, P. Balli, F. Balunas, Department of Physics University of Adelaide Adelaide Australia Department of Physics University of Alberta Edmonton AB Canada Department of Physics Ankara University Ankara Turkey Division of Physics TOBB University of Economics and Technology Ankara Turkey LAPP Univ. Savoie Mont Blanc CNRS/IN2P3 Annecy France APC Université Paris Cité CNRS/IN2P3 Paris France High Energy Physics Division Argonne National Laboratory Argonne IL United States Department of Physics University of Arizona Tucson AZ United States Department of Physics University of Texas at Arlington Arlington TX United States Physics Department National and Kapodistrian University of Athens Athens Greece Physics Department National Technical University of Athens Zografou Greece Department of Physics University of Texas at Austin Austin TX United States Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan Institut de Física d'Altes Energies (IFAE) Barcelona Institute of Science and Technology Barcelona Spain Institute of High Energy Physics Chinese Academy of Sciences Beijing China Physics Department Tsinghua University Beijing China Department of Physics Nanjing University Nanjing China University of Chinese Academy of Science (UCAS) Beijing China Institute of Physics University of Belgrade Belgrade Serbia Department for Physics and Technology University of Bergen Bergen Norway Physics Division Lawrence Berkeley National Laboratory Berkeley CA United States Institut für Physik Humboldt Universität zu Berlin Berlin Germany Albert Einstein Center for Fundamental Physics Laboratory for High Energy Physics University of Bern Bern Switzerland School of Physics and Astronomy University of Birmingham Birmingham United Kingdom Department of Physics Bogazici University Istanbul Turkey Department of Physics Engineering Gaziantep University Gaziantep Turkey Department of Physics Istanbul University Istanbul Turkey Istinye University Sariyer Istanbul Turkey

The mass of the Higgs boson is measured in the H→ZZ⁎→4ℓ decay channel. The analysis uses proton–proton collision data from the Large Hadron Collider at a centre-of-mass energy of 13 TeV recorded by the ATLAS detect...

The mass of the Higgs boson is measured in the H→ZZ^⁎→4ℓ decay channel. The analysis uses proton–proton collision data from the Large Hadron Collider at a centre-of-mass energy of 13 TeV recorded by the ATLAS detector between 2015 and 2018, corresponding to an integrated luminosity of 139 fb⁻¹. The measured value of the Higgs boson mass is 124.99±0.18(stat.)±0.04(syst.) GeV. In final states with muons, this measurement benefits from an improved momentum-scale calibration relative to that adopted in previous publications. The measurement also employs an analytic model that takes into account the invariant-mass resolution of the four-lepton system on a per-event basis and the output of a deep neural network discriminating signal from background events. This measurement is combined with the corresponding measurement using 7 and 8 TeV pp collision data, resulting in a Higgs boson mass of 124.94±0.17(stat.)±0.03(syst.) GeV. © 2023 The Author(s)

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RETRACTED ARTICLE: Lung cancer prediction using higher-order recurrent neural network based on glowworm swarm optimization

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Neural Computing and Applications 2018年第9期32卷 4373-4386页

作者： Selvanambi, Ramani Natarajan, Jaisankar Karuppiah, Marimuthu Islam, SK Hafizul Hassan, Mohammad Mehedi Fortino, Giancarlo School of Computing Science and Engineering Vellore Institute of Technology (VIT) Vellore India Department of Computer Science and Engineering Indian Institute of Information Technology Kalyani Kalyani India Chair of Smart Cities Technology College of Computer and Information Sciences King Saud University Riyadh Saudi Arabia Department of Informatics Modeling Electronics and Systems University of Calabria Rende Italy

Therapeutic issues are commonly found in every single person. Tumor is a standout among the most unsafe sicknesses a human can ever had. It is exceptionally hard to distinguish it in its beginning times as its side effects seem just in the progressed stages. Subsequently, the early forecast of lung growth is compulsory for the analysis procedure, and it gives the higher possibilities for fruitful treatment. It is the most difficult approach to upgrade a patient’s possibility for survival. Henceforth, a higher-order neural network system called recurrent neural network with Levenberg–Marquardt model with the help of glowworm swarm optimization algorithm is proposed for managing multimodal disease information. The execution of the proposed strategies is tried with information and the benchmark dataset, and the outcomes demonstrate that the higher-order recurrent neural systems with glowworm swarm optimization give better accuracy of 98% in comparison with customary optimized neural network.

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Measurements of the suppression and correlations of dijets in Pb+Pb collisions at sNN=5.02 TeV

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Physical Review C 2023年第5期107卷 054908-054908页

作者： G. Aad B. Abbott D. C. Abbott K. Abeling S. H. Abidi A. Aboulhorma H. Abramowicz H. Abreu Y. Abulaiti A. C. Abusleme Hoffman B. S. Acharya B. Achkar L. Adam C. Adam Bourdarios L. Adamczyk L. Adamek S. V. Addepalli J. Adelman A. Adiguzel S. Adorni T. Adye A. A. Affolder Y. Afik M. N. Agaras J. Agarwala A. Aggarwal C. Agheorghiesei J. A. Aguilar-Saavedra A. Ahmad F. Ahmadov W. S. Ahmed X. Ai G. Aielli I. Aizenberg M. Akbiyik T. P. A. Åkesson A. V. Akimov K. Al Khoury G. L. Alberghi J. Albert P. Albicocco M. J. Alconada Verzini S. Alderweireldt M. Aleksa I. N. Aleksandrov C. Alexa T. Alexopoulos A. Alfonsi F. Alfonsi M. Alhroob B. Ali S. Ali M. Aliev G. Alimonti C. Allaire B. M. M. Allbrooke P. P. Allport A. Aloisio F. Alonso C. Alpigiani E. Alunno Camelia M. Alvarez Estevez M. G. Alviggi Y. Amaral Coutinho A. Ambler C. Amelung C. G. Ames D. Amidei S. P. Amor Dos Santos S. Amoroso K. R. Amos C. S. Amrouche V. Ananiev C. Anastopoulos N. Andari T. Andeen J. K. Anders S. Y. Andrean A. Andreazza S. Angelidakis A. Angerami A. V. Anisenkov A. Annovi C. Antel M. T. Anthony E. Antipov M. Antonelli D. J. A. Antrim F. Anulli M. Aoki J. A. Aparisi Pozo M. A. Aparo L. Aperio Bella C. Appelt N. Aranzabal V. Araujo Ferraz C. Arcangeletti A. T. H. Arce E. Arena J-F. Arguin S. Argyropoulos J.-H. Arling A. J. Armbruster O. Arnaez H. Arnold Z. P. Arrubarrena Tame G. Artoni H. Asada K. Asai S. Asai N. A. Asbah E. M. Asimakopoulou J. Assahsah K. Assamagan R. Astalos R. J. Atkin M. Atkinson N. B. Atlay H. Atmani P. A. Atmasiddha K. Augsten S. Auricchio A. D. Auriol V. A. Austrup G. Avner G. Avolio K. Axiotis M. K. Ayoub G. Azuelos D. Babal H. Bachacou K. Bachas A. Bachiu F. Backman A. Badea P. Bagnaia M. Bahmani A. J. Bailey V. R. Bailey J. T. Baines C. Bakalis O. K. Baker P. J. Bakker E. Bakos D. Bakshi Gupta S. Balaji R. Balasubramanian E. M. Baldin P. Balek E. Ballabene F. Balli L. M. Baltes W. K. Balunas J. Balz E. Banas M. Bandieramonte A. Bandyopadhyay S. Bansal L. Barak E. L. Barberio D. Barberis M. Barbero G. Barbour K. N. Baren CPPM Aix-Marseille Université CNRS/IN2P3 Marseille France Homer L. Dodge Department of Physics and Astronomy University of Oklahoma Norman Oklahoma USA Department of Physics University of Massachusetts Amherst Massachusetts USA II. Physikalisches Institut Georg-August-Universität Göttingen Göttingen Germany Physics Department Brookhaven National Laboratory Upton New York USA Faculté des sciences Université Mohammed V Rabat Morocco Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel Department of Physics Technion Israel Institute of Technology Haifa Israel Department of Physics New York University New York New York USA Departamento de Física Pontificia Universidad Católica de Chile Santiago Chile INFN Gruppo Collegato di Udine Sezione di Trieste Udine Italy ICTP Trieste Italy Institut für Physik Universität Mainz Mainz Germany LAPP Univ. Savoie Mont Blanc CNRS/IN2P3 Annecy France Faculty of Physics and Applied Computer Science AGH University of Science and Technology Krakow Poland Department of Physics University of Toronto Toronto Ontario Canada Department of Physics Brandeis University Waltham Massachusetts USA Department of Physics Northern Illinois University DeKalb Illinois USA Department of Physics Istanbul University Istanbul Türkiye Département de Physique Nucléaire et Corpusculaire Université de Genève Genève Switzerland Particle Physics Department Rutherford Appleton Laboratory Didcot United Kingdom Santa Cruz Institute for Particle Physics University of California Santa Cruz Santa Cruz California USA CERN Geneva Switzerland Institut de Física d'Altes Energies (IFAE) Barcelona Institute of Science and Technology Barcelona Spain INFN Sezione di Pavia Italy Dipartimento di Fisica Università di Pavia Pavia Italy Department of Physics Alexandru Ioan Cuza University of Iasi Iasi Romania Departamento de Física Teórica y del Cosmos Universidad de Granada Granada (Spain) Portugal

Studies of the correlations of the two highest transverse momentum (leading) jets in individual Pb+Pb collision events can provide information about the mechanism of jet quenching by the hot and dense matter created in such collisions. In Pb+Pb and pp collisions at sNN=5.02TeV, measurements of the leading dijet transverse momentum (pT) correlations are presented. Additionally, measurements in Pb+Pb collisions of the dijet pair nuclear modification factors projected along leading and subleading jet pT are made. The measurements are performed using the ATLAS detector at the LHC with 260 pb−1 of pp data collected in 2017 and 2.2 nb−1 of Pb+Pb data collected in 2015 and 2018. An unfolding procedure is applied to the two-dimensional leading and subleading jet pT distributions to account for experimental effects in the measurement of both jets. Results are provided for dijets with leading jet pT greater than 100 GeV. Measurements of the dijet-yield-normalized xJ distributions in Pb+Pb collisions show an increased fraction of imbalanced jets compared to pp collisions; these measurements are in agreement with previous measurements of the same quantity at 2.76 TeV in the overlapping kinematic range. Measurements of the absolutely normalized dijet rate in Pb+Pb and pp collisions are also presented, and show that balanced dijets are significantly more suppressed than imbalanced dijets in Pb+Pb collisions. It is observed in the measurements of the pair nuclear modification factors that the subleading jets are significantly suppressed relative to leading jets with pT between 100 and 316 GeV for all centralities in Pb+Pb collisions.

关键词： Jets & heavy flavor physics Quark-gluon plasma Relativistic heavy-ion collisions

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Global investments in pandemic preparedness and COVID-19: development assistance and domestic spending on health between 1990 and 2026

引用

The Lancet Global Health 2023年第3期11卷 e385-e413页

作者： Micah, Angela E. Bhangdia, Kayleigh Cogswell, Ian E. Lasher, Dylan Lidral-Porter, Brendan Maddison, Emilie R. Nguyen, Trang Nhu Ngoc Patel, Nishali Pedroza, Paola Solorio, Juan Stutzman, Hayley Tsakalos, Golsum Wang, Yifeng Warriner, Wesley Zhao, Yingxi Zlavog, Bianca S. Abbafati, Cristiana Abbas, Jaffar Abbasi-Kangevari, Mohsen Abbasi-Kangevari, Zeinab Abdelmasseh, Michael Abdulah, Deldar Morad Abedi, Aidin Abegaz, Kedir Hussein Abhilash, E.S. Aboagye, Richard Gyan Abolhassani, Hassan Abrigo, Michael R.M. Abubaker Ali, Hiwa Abu-Gharbieh, Eman Adem, Mohammed Hussien Afzal, Muhammad Sohail Ahmadi, Ali Ahmed, Haroon Ahmed Rashid, Tarik Aji, Budi Akbarialiabad, Hossein Akelew, Yibeltal Al Hamad, Hanadi Alam, Khurshid Alanezi, Fahad Mashhour Alanzi, Turki M. Al-Hanawi, Mohammed Khaled Alhassan, Robert Kaba Aljunid, Syed Mohamed Almustanyir, Sami Al-Raddadi, Rajaa M. Alvis-Guzman, Nelson Alvis-Zakzuk, Nelson J. Amare, Azmeraw T. Ameyaw, Edward Kwabena Amini-Rarani, Mostafa Amu, Hubert Ancuceanu, Robert Andrei, Tudorel Anwar, Sumadi Lukman Appiah, Francis Aqeel, Muhammad Arabloo, Jalal Arab-Zozani, Morteza Aravkin, Aleksandr Y. Aremu, Olatunde Aruleba, Raphael Taiwo Athari, Seyyed Shamsadin Avila-Burgos, Leticia Ayanore, Martin Amogre Azari, Samad Baig, Atif Amin Bantie, Abere Tilahun Barrow, Amadou Baskaran, Pritish Basu, Sanjay Batiha, Abdul-Monim Mohammad Baune, Bernhard T. Berezvai, Zombor Bhardwaj, Nikha Bhardwaj, Pankaj Bhaskar, Sonu Boachie, Micheal Kofi Bodolica, Virginia Botelho, João Silva Botelho Braithwaite, Dejana Breitborde, Nicholas J.K. Busse, Reinhard Cahuana-Hurtado, Lucero Catalá-López, Ferrán Chansa, Collins Charan, Jaykaran Chattu, Vijay Kumar Chen, Simiao Chukwu, Isaac Sunday Dadras, Omid Dandona, Lalit Dandona, Rakhi Dargahi, Abdollah Debela, Sisay Abebe Denova-Gutiérrez, Edgar Desye, Belay Dharmaratne, Samath Dhamminda Diao, Nancy Doan, Linh Phuong Dodangeh, Milad dos Santos, Wendel Mombaque Doshmangir, Leila Dube, John Eini, Ebrahim El Sayed Zaki, Maysaa El Tantawi, Maha Enyew, Daniel Berhanie Institute for Health Metrics and Evaluation University of Washington Seattle WA United States Department of Applied Mathematics University of Washington Seattle WA United States Department of Health Metrics Sciences School of Medicine University of Washington Seattle WA United States Nuffield Department of Medicine University of Oxford Oxford United Kingdom Department of Juridical and Economic Studies La Sapienza University Rome Italy Antai College of Economics Shanghai Jiao Tong University Shanghai China Non-communicable Diseases Research Center Tehran University of Medical Sciences Tehran Iran Research Center for Immunodeficiencies Tehran University of Medical Sciences Tehran Iran Multiple Sclerosis Research Center Tehran University of Medical Sciences Tehran Iran Children’s Medical Center Tehran University of Medical Sciences Tehran Iran Department of Epidemiology and Biostatistics Tehran University of Medical Sciences Tehran Iran Tehran Heart Center Tehran University of Medical Sciences Tehran Iran Faculty of Medicine Tehran University of Medical Sciences Tehran Iran National Institute for Health Research Tehran University of Medical Sciences Tehran Iran Department of Pharmacology Tehran University of Medical Sciences Tehran Iran Department of Cardiology Tehran University of Medical Sciences Tehran Iran Sina Trauma and Surgery Research Center Tehran University of Medical Sciences Tehran Iran Digestive Diseases Research Institute Tehran University of Medical Sciences Tehran Iran Department of Neurology Tehran University of Medical Sciences Tehran Iran Social Determinants of Health Research Center Shahid Beheshti University of Medical Sciences Tehran Iran Department of Epidemiology Shahid Beheshti University of Medical Sciences Tehran Iran Department of Health Economics and Statistics Shahid Beheshti University of Medical Sciences Tehran Iran Department of Neurosurgery Shahid Beheshti University of Medical Sciences Tehran Iran Ophthalmic R

Background: The COVID-19 pandemic highlighted gaps in health surveillance systems, disease prevention, and treatment globally. Among the many factors that might have led to these gaps is the issue of the financing of national health systems, especially in low-income and middle-income countries (LMICs), as well as a robust global system for pandemic preparedness. We aimed to provide a comparative assessment of global health spending at the onset of the pandemic;characterise the amount of development assistance for pandemic preparedness and response disbursed in the first 2 years of the COVID-19 pandemic;and examine expectations for future health spending and put into context the expected need for investment in pandemic preparedness. Methods: In this analysis of global health spending between 1990 and 2021, and prediction from 2021 to 2026, we estimated four sources of health spending: development assistance for health (DAH), government spending, out-of-pocket spending, and prepaid private spending across 204 countries and territories. We used the Organisation for Economic Co-operation and Development (OECD)'s Creditor Reporting System (CRS) and the WHO Global Health Expenditure Database (GHED) to estimate spending. We estimated development assistance for general health, COVID-19 response, and pandemic preparedness and response using a keyword search. Health spending estimates were combined with estimates of resources needed for pandemic prevention and preparedness to analyse future health spending patterns, relative to need. Findings: In 2019, at the onset of the COVID-19 pandemic, US$9·2 trillion (95% uncertainty interval [UI] 9·1–9·3) was spent on health worldwide. We found great disparities in the amount of resources devoted to health, with high-income countries spending $7·3 trillion (95% UI 7·2–7·4) in 2019;293·7 times the $24·8 billion (95% UI 24·3–25·3) spent by low-income countries in 2019. That same year, $43·1 billion in development assistance was provided

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Towards chirality control of graphene nanoribbons embedded in hexagonal boron nitride

arXiv

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arXiv 2020年

作者： Wang, Hui Shan Chen, Lingxiu Elibol, Kenan He, Li Wang, Haomin Chen, Chen Jiang, Chengxin Li, Chen Wu, Tianru Cong, Chun Xiao Pennycook, Timothy J. Argentero, Giacomo Zhang, Daoli Watanabe, Kenji Taniguchi, Takashi Wei, Wenya Yuan, Qinghong Meyer, Jannik C. Xie, Xiaoming State Key Laboratory of Functional Materials for Informatics Shanghai Institute of Microsystem and Information Technology Chinese Academy of Sciences 865 Changning Road Shanghai200050 China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences Beijing100049 China Faculty of Physics University of Vienna Boltzmanngasse 5 Vienna1090 Austria School of Optical and Electronic Information Huazhong University of Science and Technology Wuhan430074 China School of Physical Science and Technology ShanghaiTech University Shanghai201210 China Shanghai200050 China Department of Lithospheric Research University of Vienna Althanstrasse 14 Vienna1090 Austria State Key Laboratory of ASIC & System School of Information Science and Technology Fudan University Shanghai200433 China National Institute for Materials Science 1-1 Namiki Tsukuba305-0044 Japan State Key Laboratory of Precision Spectroscopy School of Physics and Material Science East China Normal University Shanghai200062 China Centre for Theoretical and Computational Molecular Science Australian Institute for Bioengineering and Nanotechnology University of Queensland BrisbaneQLD4072 Australia School of Chemistry Trinity College Dublin CRANN - Advanced Microscopy Laboratory Unit 27/29 Trinity Enterprise CentrePearse St Dublin 2 Ireland University Antwerpen Groenenborgerlaan 171 Antwerpen2020 Belgium Institute for Applied Physics and Natural and Medical Sciences Institute University of Tübingen Tübingen Germany

The integrated in-plane growth of two dimensional materials (e.g. graphene and hexagonal boron nitride (h-BN)) with similar lattices, but distinct electrical properties, could provide a promising route to achieve integrated circuitry of atomic thickness. However, fabrication of edge-specific graphene nanoribbons (GNR) in the lattice of h-BN still remains an enormous challenge for present approaches. Here we developed a two-step growth method and successfully achieved sub-5 nm-wide zigzag and armchair GNRs embedded in h-BN, respectively. Further transport measurements reveal that the sub-7 nm-wide zigzag GNRs exhibit openings of the band gap inversely proportional to their width, while narrow armchair GNRs exhibit some fluctuation in the bandgap-width relationship. Transistors made of these GNRs with large bandgaps (>0.4 eV) exhibit excellent electronic performance even at room temperature (e.g. conductance on-off ratio more than 105 and carrier mobility more than 1,500 cm2 V−1 s−1). An obvious conductance peak is observed in the transfer curves of 8-10 nm-wide zigzag GNRs while it is absent in most of armchair GNRs of similar width. Magneto-transport experiments show that zigzag GNRs exhibit relatively small magneto-conductance (MC) while armchair GNRs have much higher MC than zigzag GNRs. This integrated lateral growth of edge-specific GNRs in h-BN brings semiconducting building blocks to atomically thin layer, and will provide a promising route to achieve intricate nanoscale electrical circuits on high-quality insulating h-BN substrates. Copyright © 2020, The Authors. All rights reserved.

关键词： Boron nitride

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Observation of Large Scale Precursor Correlations between Cosmic Rays and Earthquakes with a Periodicity Similar to the Solar Cycle

SSRN

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SSRN 2022年

作者： Homola, Piotr Marchenko, Volodymyr Napolitano, Antonio Damian, Rafal Guzik, Rafal Alvarez-Castillo, David Stuglik, Slawomir Ruimi, Ophir Skorenok, Oleksandr Zamora-Saa, Jilberto Vaquero, José M. Wibig, Tadeusz Knap, Marek Dziadkowiec, Krzysztof Karpiel, Magdalena Sushchov, Oleksandr Mietelski, Jerzy W. Gorzkiewicz, Krzysztof Zabari, Noemi Cheminant, Kevin Almeida Idźkowski, Bartosz Bulik, Tomasz Bhatta, Gopal Budnev, Nikolay Kamiński, Robert Medvedev, Mikhail V. Kozak, Krzysztof Bar, Olaf Bibrzycki, Lukasz Bielewicz, Marcin Frontczak, Michal Kovács, Péter Lozowski, Bartosz Miszczyk, Justyna Niedźwiecki, Michal del Peral, Luis Piekarczyk, Marcin Rodriguez Frias, María D. Rzecki, Krzysztof Smelcerz, Katarzyna Sośnicki, Tomasz Stasielak, Jaroslaw Tursunov, Arman A. Institute of Nuclear Physics Polish Academy of Sciences Kraków31-342 Poland Racah Institute of Physics Hebrew University of Jerusalem IL Jerusalem91904 Israel Departamento de Ciencias Físicas Universidad Andres Bello Fernández Concha 700 Las Condes Santiago Chile Millennium Institute for Subatomic Physics at High Energy Frontier - SAPHIR Fernández Concha 700 Las Condes Santiago Chile Jerzy Haber Institute of Catalysis and Surface Chemistry Polish Academy of Sciences Kraków30-239 Poland Astroparticle Physics Amateur Zakopane34-500 Poland Departamento de Física Centro Universitario de Mérida Universidad de Extremadura Avda. Santa Teresa de Jornet 38 Mérida BadajozE-06800 Spain Astronomical Observatory University of Warsaw Al. Ujazdowskie 4 Warsaw00-478 Poland Taras Shevchenko National University of Kyiv Kyiv01601 Ukraine AGH University of Science and Technology ul. Mickiewicza 30 Kraków30-059 Poland Astrocent Nicolaus Copernicus Astronomical Center Rektorska 4 Warsaw00-614 Poland Pedagogical University of Krakow Podchorążych 2 Kraków30-084 Poland Institute of Physics Silesian University in Opava Bezručovo nám. 13 OpavaCZ-74601 Czech Republic Space and Astroparticle Group University of Alcalá Ctra. Madrid-Barcelona Km. 33.7 MadridE-28871 Spain Wigner Research Centre for Physics Konkoly-Thege Miklós út 29-33. BudapestH-1121 Hungary Department of Theoretical Physics Faculty of Physics and Applied Informatics University of Lodz Pomorska 149/153 LodzPL-90-236 Poland University of Napoli "Parthenope" Department of Engineering Centro Direzionale Isola C4 Napoli80143 Italy Irkutsk State University Physical Department K.Marx str. 1 Irkutsk664003 Russia Astroparticle Physics Amateur Dobromierz58-170 Poland Department of Physics and Astronomy University of Kansas LawrenceKS66045 United States Laboratory for Nuclear Science Massachusetts Institute of Technology CambridgeMA02139 United States Faculty of Natural Sciences University o

The search for correlations between secondary cosmic ray detection rates and seismic effects has long been a subject of investigation motivated by the hope of identifying a new precursor type that could feed a global early warning system against earthquakes. Here we show for the first time that the average variation of the cosmic ray detection rates correlates with the global seismic activity to be observed with a time lag of approximately two weeks, and that the significance of the effect varies with a periodicity resembling the undecenal solar cycle, with a shift in phase of around three years, exceeding 6 o at local maxima. The precursor characteristics of the observed correlations point to a pioneer perspective of an early warning system against earthquakes. © 2022, The Authors. All rights reserved.

关键词： Cosmic rays

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