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bigNeuron: a resource to benchmark and predict performance of algorithms for automated tracing of neurons in light microscopy datasets

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Nature methods 2023年第6期20卷 824-835页

作者： Linus Manubens-Gil Zhi Zhou Hanbo Chen Arvind Ramanathan Xiaoxiao Liu Yufeng Liu Alessandro bria Todd Gillette Zongcai Ruan Jian Yang Miroslav Radojević Ting Zhao Li Cheng Lei Qu siqi Liu Kristofer e bouchard Lin Gu Weidong Cai shuiwang Ji badrinath Roysam Ching-Wei Wang Hongchuan Yu Amos sironi Daniel Maxim Iascone Jie Zhou erhan bas eduardo Conde-sousa Paulo Aguiar Xiang Li Yujie Li sumit Nanda Yuan Wang Leila Muresan Pascal Fua bing Ye Hai-Yan He Jochen F staiger Manuel Peter Daniel N Cox Michel simonneau Marcel Oberlaender Gregory Jefferis Kei Ito Paloma Gonzalez-bellido Jinhyun Kim edwin Rubel Hollis T Cline Hongkui Zeng Aljoscha Nern Ann-shyn Chiang Jianhua Yao Jane Roskams Rick Livesey Janine stevens Tianming Liu Chinh Dang Yike Guo Ning Zhong Georgia Tourassi sean Hill Michael Hawrylycz Christof Koch erik Meijering Giorgio A Ascoli Hanchuan Peng Institute for Brain and Intelligence Southeast University Nanjing China. Microsoft Corporation Redmond WA USA. Tencent AI Lab Bellevue WA USA. Computing Environment and Life Sciences Directorate Argonne National Laboratory Lemont IL USA. Kaya Medical Seattle WA USA. University of Cassino and Southern Lazio Cassino Italy. Center for Neural Informatics Structures and Plasticity Krasnow Institute for Advanced Study George Mason University Fairfax VA USA. Faculty of Information Technology Beijing University of Technology Beijing China. Beijing International Collaboration Base on Brain Informatics and Wisdom Services Beijing China. Nuctech Netherlands Rotterdam the Netherlands. Janelia Research Campus Howard Hughes Medical Institute Ashburn VA USA. Department of Electrical and Computer Engineering University of Alberta Edmonton Alberta Canada. Ministry of Education Key Laboratory of Intelligent Computation and Signal Processing Anhui University Hefei China. Paige AI New York NY USA. Scientific Data Division and Biological Systems and Engineering Division Lawrence Berkeley National Lab Berkeley CA USA. Helen Wills Neuroscience Institute and Redwood Center for Theoretical Neuroscience UC Berkeley Berkeley CA USA. RIKEN AIP Tokyo Japan. Research Center for Advanced Science and Technology (RCAST) The University of Tokyo Tokyo Japan. School of Computer Science University of Sydney Sydney New South Wales Australia. Texas A&M University College Station TX USA. Cullen College of Engineering University of Houston Houston TX USA. Graduate Institute of Biomedical Engineering National Taiwan University of Science and Technology Taipei Taiwan. National Centre for Computer Animation Bournemouth University Poole UK. PROPHESEE Paris France. Department of Neuroscience Columbia University New York NY USA. Mortimer B. Zuckerman Mind Brain Behavior Institute Columbia University New York NY USA. Department of Computer Science Northern Illinois Universit

bigNeuron is an open community bench-testing platform with the goal of setting open standards for accurate and fast automatic neuron tracing. We gathered a diverse set of image volumes across several species that is representative of the data obtained in many neuroscience laboratories interested in neuron tracing. Here, we report generated gold standard manual annotations for a sub.e. of the availab.e.imaging datasets and quantified tracing quality for 35 automatic tracing algorithms. The goal of generating such a hand-curated diverse dataset is to advance the development of tracing algorithms and enab.e.generalizab.e.benchmarking. Together with image quality features, we pooled the data in an interactive web application that enab.e. users and developers to perform principal component analysis, t-distributed stochastic neighbor embedding, correlation and clustering, visualization of imaging and tracing data, and benchmarking of automatic tracing algorithms in user-defined data sub.e.s. The image quality metrics explain most of the variance in the data, followed by neuromorphological features related to neuron size. We ob.e.ved that diverse algorithms can provide complementary information to obtain accurate results and developed a method to iteratively combine methods and generate consensus reconstructions. The consensus trees obtained provide estimates of the neuron structure ground truth that typically outperform single algorithms in noisy datasets. However, specific algorithms may outperform the consensus tree strategy in specific imaging conditions. Finally, to aid users in predicting the most accurate automatic tracing results without manual annotations for comparison, we used support vector machine regression to predict reconstruction quality given an image volume and a set of automatic tracings.

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Art and Astrophysics in Conversation with KM3NeT Deep in the Mediterranean sea 18

Art and Astrophysics in Conversation with KM3NeT Deep in the...

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18th International Conference on Topics in Astroparticle and Underground Physics, TAUP 2023

作者： Fortescue, Donald Ilioni, Alin Aiello, s. Albert, A. Alves Garre, s. Aly, Z. Ambrosone, A. Ameli, F. Andre, M. Androutsou, e. Anguita, M. Aphecetche, L. Ardid, M. Ardid, s. Atmani, H. Aublin, J. bailly-salins, L. bardačová, Z. baret, b. bariego-Quintana, A. basegmez du Pree, s. becherini, Y. bendahman, M. benfenati, F. benhassi, M. benoit, D.M. berb.e. e. bertin, V. biagi, s. b.e.tcher, M. bonanno, D. boumaaza, J. bouta, M. bouwhuis, M. bozza, C. bozza, R.M. brânzaş, H. b.e.audeau, 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, Paschal Creusot, A. Cruz, A. Cuttone, G. Dallier, R. Darras, Y. De benedittis, A. De Martino, b. De Wasseige, Gwenhaël Decoene, V. Del burgo, R. Di Cerbo, U.M. Di Mauro, L.s. Di Palma, I. Díaz, A.F. Diaz, C. 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. de Favereau, J. Ferrara, G. Filipović, M.D. Filippini, F. Franciotti, D. Fusco, L.A. Gabriel, J. Gagliardini, s. Gal, T. García Méndez, J. Garcia soto, A. Gatius Oliver, C. Geißelb.e.ht, N. Ghaddari, H. Gialanella, L. Gibson, b.K. Giorgio, e. Goos, I. Goupilliere, D. Gozzini, s.R. Gracia, R. Graf, K. Guidi, C. Guillon, b. Gutiérrez, M. van Haren, H. Heijb.e., A. Hekalo, A. Hennig, L. Hernández-Rey, J.J. Huang, F. Idrissi Ibnsalih, W. Illuminati, G. James, C.W. 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. Lamoureux, M. California College of the Arts San FranciscoCA United States Centre for Cosmology Particle Physics and Phenomenology - CP3 Universite Catholique de Louvain Louvain-la-NeuveB-1348 Belgium Aix-Marseille Université CNRS IN2P3 CPPM 163 Avenue de Luminy Case 902 Marseille13288 Cedex 09 France Université de Paris CNRS Astroparticule et Cosmologie ParisF-75013 France 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 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 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 Re

We present the result of a cross-disciplinary collaboration between the California college of the Arts, san Francisco and the KM3NeT Collaboration. The project involved creating an analog sound producing instrument which was installed within a standard KM3NeT pressure resistant glass sphere housing along with sound and video recording equipment. The instrument, titled "bathysphere", was deployed in the sea for the first time adjacent to the ORCA array of KM3NeT off the coast of Toulon, France on september 23, 2021. One outcome of this project is the video work "below the surface". It incorporates sound and video recorded from within the "bathysphere" as it floated on the surface of the Mediterranean and then as it dived down to 300 m depth. As the "bathysphere" dived, the analog instrument it contained quietened. The sound in the dive portion of the video is created from the sonification of data from the KM3NeT array that was recorded during the deployment of the "bathysphere". "below the surface" highlights the extraordinary environment in which the KM3NeT array is being created and operates. The data sonification illustrates the potential of this method of data representation to connect with viewers in a deeply physical way and offers new perspectives on the data collected by KM3NeT. © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC bY-NC-ND 4.0).

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search for W′ bosons decaying to a top and a bottom quark in leptonic final states in proton-proton collisions at s = 13 TeV

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Journal of High energy Physics 2024年第5期2024卷 46页

作者： Hayrapetyan, A. Tumasyan, A. Adam, W. Andrejkovic, J.W. bergauer, T. Chatterjee, s. Damanakis, K. Dragicevic, M. escalante Del Valle, A. Hussain, P.s. Jeitler, M. Krammer, N. Liko, D. Mikulec, I. schieck, J. schöfbeck, R. schwarz, D. sonawane, M. Templ, s. Waltenberger, W. Wulz, C.-e. Darwish, M.R. Janssen, T. Van Mechelen, P. bols, e.s. D’hondt, J. Dansana, s. De Moor, A. Delcourt, M. el Faham, H. Lowette, s. Makarenko, I. Müller, D. sahasransu, A.R. Tavernier, s. Tytgat, M. Van Putte, s. Vannerom, D. Clerbaux, b. De Lentdecker, G. Favart, L. Hohov, D. Jaramillo, J. Khalilzadeh, A. Lee, K. Mahdavikhorrami, M. Malara, A. Paredes, s. Pétré, L. Postiau, N. Thomas, L. Vanden bemden, M. Vander Velde, C. Vanlaer, P. De Coen, M. Dobur, D. Hong, Y. Knolle, J. Lamb.e.ht, L. Mestdach, G. Rendón, C. samalan, A. skovpen, K. Van Den bossche, N. Wezenb.e., L. benecke, A. bruno, G. Caputo, C. Delaere, C. Donertas, I.s. Giammanco, A. Jaffel, K. Jain, sa. Lemaitre, V. Lidrych, J. Mastrapasqua, P. Mondal, K. Tran, T.T. Wertz, s. Alves, G.A. Coelho, e. Hensel, C. Menezes De Oliveira, T. Moraes, A. Rebello Teles, P. soeiro, M. Aldá Júnior, W.L. Alves Gallo Pereira, M. barroso Ferreira Filho, M. brandao Malbouisson, H. Carvalho, W. Chinellato, J. Da Costa, e.M. Da silveira, G.G. De Jesus Damiao, D. Fonseca De souza, s. Martins, J. Mora Herrera, C. Mota Amarilo, K. Mundim, L. Nogima, H. santoro, A. silva Do Amaral, s.M. sznajder, A. Thiel, M. Vilela Pereira, A. bernardes, C.A. Calligaris, L. Fernandez Perez Tomei, T.R. Gregores, e.M. Mercadante, P.G. Novaes, s.F. Orzari, b. Padula, sandra s. Aleksandrov, A. Antchev, G. Hadjiiska, R. Iaydjiev, P. Misheva, M. shopova, M. sultanov, G. Dimitrov, A. Ivanov, T. Litov, L. Pavlov, b. Petkov, P. Petrov, A. shumka, e. Keshri, s. Thakur, s. Cheng, T. Guo, Q. Javaid, T. Mittal, M. Yuan, L. bauer, G. Hu, Z. Yi, K. Chen, G.M. Chen, H.s. Chen, M. Iemmi, F. Jiang, C.H. Kapoor, A. Liao, H. Liu, Z.-A. Monti, F. sharma, R. song, J.N. Tao, J. Wang, C. Wang, J. Wang, Z. Zhang, H. Agapitos, A. ban, Y. Lev Yerevan Physics Institute Yerevan Armenia Institut für Hochenergiephysik Vienna Austria Universiteit Antwerpen Antwerpen Belgium Vrije Universiteit Brussel Brussel Belgium Université Libre de Bruxelles Bruxelles Belgium Ghent University Ghent Belgium Université Catholique de Louvain Louvain-la-Neuve Belgium Centro Brasileiro de Pesquisas Fisicas Rio de Janeiro Brazil Universidade do Estado do Rio de Janeiro Rio de Janeiro Brazil Universidade Estadual Paulista Universidade Federal do ABC São Paulo Brazil Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences Sofia Bulgaria University of Sofia Sofia Bulgaria Instituto De Alta Investigación Universidad de Tarapacá Casilla 7 D Arica Chile Beihang University Beijing China Department of Physics Tsinghua University Beijing China Institute of High Energy Physics Beijing China State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China Sun Yat-Sen University Guangzhou China University of Science and Technology of China Hefei China Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) — Fudan University Shanghai China Zhejiang University Zhejiang Hangzhou China Universidad de Los Andes Bogota Colombia Universidad de Antioquia Medellin Colombia University of Split Faculty of Electrical Engineering Mechanical Engineering and Naval Architecture Split Croatia University of Split Faculty of Science Split Croatia Institute Rudjer Boskovic Zagreb Croatia University of Cyprus Nicosia Cyprus Charles University Prague Czech Republic Escuela Politecnica Nacional Quito Ecuador Universidad San Francisco de Quito Quito Ecuador Academy of Scientific Research and Technology of the Arab Republic of Egypt Egyptian Network of High Energy Physics Cairo Egypt Center for High Energy Physics (CHEP-FU) Fayoum University El-Fayoum Egypt National Institute of Chemical Physics and Biophysics Tallinn Estonia Department of Physics

A search for W′ bosons decaying to a top and a bottom quark in final states including an electron or a muon is performed with the CMs detector at the LHC. The analyzed data correspond to an integrated luminosity of 138 fb−1sup> of proton-proton collisions at a center-of-mass energy of 13 TeV. Good agreement with the standard model expectation is ob.e.ved and no evidence for the existence of the W′ boson is found over the mass range examined. The largest ob.e.ved deviation from the standard model expectation is found for a W′ boson mass (mW′sub>) hypothesis of 3.8 TeV with a relative decay width of 1%, with a local (global) significance of 2.6 (2.0) standard deviations. Upper limits on the production cross sections of W′ bosons decaying to a top and a bottom quark are set. Left- and right-handed W′ bosons with mW′sub> below 3.9 and 4.3 TeV, respectively, are excluded at the 95% confidence level, under the assumption that the new particle has a narrow decay width. Limits are also set for relative decay widths up to 30%. © The Author(s) 2024.

关键词： beyond standard Model Hadron-Hadron scattering Vector boson Production

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Portab.e.Acceleration of CMs Computing Workflows with Coprocessors as a service

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Computing and software for big science 2024年第1期8卷 1-36页

作者： Hayrapetyan, A. Tumasyan, A. Adam, W. Andrejkovic, J.W. bergauer, T. Chatterjee, s. Damanakis, K. Dragicevic, M. Hussain, P.s. Jeitler, M. Krammer, N. Li, A. Liko, D. Mikulec, I. schieck, J. schöfbeck, R. schwarz, D. sonawane, M. Templ, s. Waltenberger, W. Wulz, C.-e. Darwish, M.R. Janssen, T. Mechelen, P. Van bols, e.s. D’Hondt, J. Dansana, s. De Moor, A. Delcourt, M. Faham, H. el Lowette, s. Makarenko, I. Müller, D. sahasransu, A.R. Tavernier, s. Tytgat, M. Onsem, G. P. Van Putte, s. Van Vannerom, D. Clerbaux, b. Das, A.K. De Lentdecker, G. Favart, L. Gianneios, P. Hohov, D. Jaramillo, J. Khalilzadeh, A. Khan, F.A. Lee, K. Mahdavikhorrami, M. Malara, A. Paredes, s. Thomas, L. bemden, M. Vanden Velde, C. Vander Vanlaer, P. De Coen, M. Dobur, D. Hong, Y. Knolle, J. Lamb.e.ht, L. Mestdach, G. Amarilo, K. Mota Rendón, C. samalan, A. skovpen, K. bossche, N. Van Den Linden, J. van der Wezenb.e., L. benecke, A. bethani, A. bruno, G. Caputo, C. Delaere, C. Donertas, I.s. Giammanco, A. Jaffel, K. Jain, sh. Lemaitre, V. Lidrych, J. Mastrapasqua, P. Mondal, K. Tran, T.T. Wertz, s. Alves, G.A. Coelho, e. Hensel, C. De Oliveira, T. Menezes Moraes, A. Teles, P. Rebello soeiro, M. Júnior, W. L. Aldá Pereira, M. Alves Gallo Filho, M. barroso Ferreira Malbouisson, H. brandao Carvalho, W. Chinellato, J. Da Costa, e.M. Da silveira, G.G. De Jesus Damiao, D. De souza, s. Fonseca De souza, R. Gomes Martins, J. Herrera, C. Mora Mundim, L. Nogima, H. Pinheiro, J.P. santoro, A. sznajder, A. Thiel, M. Pereira, A. Vilela bernardes, C.A. Calligaris, L. Tomei, T. R. Fernandez Perez Gregores, e.M. Mercadante, P.G. Novaes, s.F. Orzari, b. Padula, sandra s. Aleksandrov, A. Antchev, G. Hadjiiska, R. Iaydjiev, P. Misheva, M. shopova, M. sultanov, G. Dimitrov, A. Litov, L. Pavlov, b. Petkov, P. Petrov, A. shumka, e. Keshri, s. Thakur, s. Cheng, T. Javaid, T. Yuan, L. Hu, Z. Liu, J. Yi, K. Chen, G.M. Chen, H.s. Chen, M. Iemmi, F. Jiang, C.H. Kapoor, A. Liao, H. Liu, Z.-A. sharma, R. song, J.N. Tao, J. Wang, C. Wang, J. Wang, Z. Zhang, H. Agapitos Yerevan Physics Institute Yerevan Armenia Institut für Hochenergiephysik Vienna Austria Universiteit Antwerpen Antwerpen Belgium Vrije Universiteit Brussel Brussel Belgium Université Libre de Bruxelles Bruxelles Belgium Ghent University Ghent Belgium Université Catholique de Louvain Louvain-la-Neuve Belgium Centro Brasileiro de Pesquisas Fisicas Rio de Janeiro Brazil Universidade do Estado do Rio de Janeiro Rio de Janeiro Brazil Universidade Estadual Paulista Universidade Federal do ABC São Paulo Brazil Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences Sofia Bulgaria University of Sofia Sofia Bulgaria Instituto De Alta Investigación Universidad de Tarapacá Casilla 7 D Arica Chile Beihang University Beijing China Department of Physics Tsinghua University Beijing China Institute of High Energy Physics Beijing China State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China Sun Yat-sen University Guangzhou China University of Science and Technology of China Hefei China Nanjing Normal University Nanjing China Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) - Fudan University Shanghai China Zhejiang University Hangzhou Zhejiang China Universidad de Los Andes Bogota Colombia Universidad de Antioquia Medellin Colombia University of Split Faculty of Electrical Engineering Mechanical Engineering and Naval Architecture Split Croatia Faculty of Science University of Split Split Croatia Institute Rudjer Boskovic Zagreb Croatia University of Cyprus Nicosia Cyprus Charles University Prague Czech Republic Escuela Politecnica Nacional Quito Ecuador Universidad San Francisco de Quito Quito Ecuador Academy of Scientific Research and Technology of the Arab Republic of Egypt Egyptian Network of High Energy Physics Cairo Egypt Center for High Energy Physics (CHEP-FU) Fayoum University El-Fayoum Egypt National Institute of Chemical Physics and Biophysic

Computing demands for large scientific experiments, such as the CMs experiment at the CeRN LHC, will increase dramatically in the next decades. To complement the future performance increases of software running on central processing units (CPUs), explorations of coprocessor usage in data processing hold great potential and interest. Coprocessors are a class of computer processors that supplement CPUs, often improving the execution of certain functions due to architectural design choices. We explore the approach of services for Optimized Network Inference on Coprocessors (sONIC) and study the deployment of this as-a-service approach in large-scale data processing. In the studies, we take a data processing workflow of the CMs experiment and run the main workflow on CPUs, while offloading several machine learning (ML) inference tasks onto either remote or local coprocessors, specifically graphics processing units (GPUs). With experiments performed at Google Cloud, the Purdue Tier-2 computing center, and combinations of the two, we demonstrate the acceleration of these ML algorithms individually on coprocessors and the corresponding throughput improvement for the entire workflow. This approach can be easily generalized to different types of coprocessors and deployed on local CPUs without decreasing the throughput performance. We emphasize that the sONIC approach enab.e. high coprocessor usage and enab.e. the portability to run workflows on different types of coprocessors. © The Author(s) 2024.

关键词： CMs Machine learning Offline and computing

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Measurement of the doub.e.differential inclusive jet cross section in proton-proton collisions at s = 5.02 TeV

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Journal of High energy Physics 2025年第1期2025卷 1-49页

作者： Hayrapetyan, A. Tumasyan, A. Adam, W. Andrejkovic, J.W. bergauer, T. Chatterjee, s. Damanakis, K. Dragicevic, M. escalante Del Valle, A. Hussain, P.s. Jeitler, M. Krammer, N. Lechner, L. Liko, D. Mikulec, I. schieck, J. schöfbeck, R. schwarz, D. sonawane, M. Templ, s. Waltenberger, W. Wulz, C.-e. Darwish, M.R. Janssen, T. Kello, T. Van Mechelen, P. bols, e.s. D’Hondt, J. De Moor, A. Delcourt, M. el Faham, H. Lowette, s. Makarenko, I. Morton, A. Müller, D. sahasransu, A.R. Tavernier, s. Van Putte, s. Vannerom, D. Clerbaux, b. Dansana, s. De Lentdecker, G. Favart, L. Hohov, D. Jaramillo, J. Lee, K. Mahdavikhorrami, M. Malara, A. Paredes, s. Pétré, L. Postiau, N. Thomas, L. Vanden bemden, M. Vander Velde, C. Vanlaer, P. De Coen, M. Dobur, D. Knolle, J. Lamb.e.ht, L. Mestdach, G. Rendón, C. samalan, A. skovpen, K. Tytgat, M. Van Den bossche, N. Vermassen, b. Wezenb.e., L. benecke, A. bruno, G. bury, F. Caputo, C. Delaere, C. Donertas, I.s. Giammanco, A. Jaffel, K. Jain, sa. Lemaitre, V. Lidrych, J. Mastrapasqua, P. Mondal, K. Tran, T.T. Vischia, P. Wertz, s. Alves, G.A. Coelho, e. Hensel, C. Moraes, A. Rebello Teles, P. Aldá Júnior, W.L. Alves Gallo Pereira, M. barroso Ferreira Filho, M. brandao Malbouisson, H. Carvalho, W. Chinellato, J. Da Costa, e.M. Da silveira, G.G. De Jesus Damiao, D. Dos santos sousa, V. Fonseca De souza, s. Martins, J. Mora Herrera, C. Mota Amarilo, K. Mundim, L. Nogima, H. santoro, A. silva Do Amaral, s.M. sznajder, A. Thiel, M. Vilela Pereira, A. bernardes, C.A. Calligaris, L. Fernandez Perez Tomei, T.R. Gregores, e.M. Mercadante, P.G. Novaes, s.F. Orzari, b. Padula, sandra s. Aleksandrov, A. Antchev, G. Hadjiiska, R. Iaydjiev, P. Misheva, M. shopova, M. sultanov, G. Dimitrov, A. Ivanov, T. Litov, L. Pavlov, b. Petkov, P. Petrov, A. shumka, e. Keshri, s. Thakur, s. Cheng, T. Guo, Q. Javaid, T. Mittal, M. Yuan, L. bauer, G. Hu, Z. Lezki, s. Yi, K. Chen, G.M. Chen, H.s. Chen, M. Iemmi, F. Jiang, C.H. Kapoor, A. Liao, H. Liu, Z.-A. Monti, F. sharma, R. song, J.N. Tao, J. Wang, J. Zhang, H. Aga Yerevan Physics Institute Yerevan Armenia Institut für Hochenergiephysik Vienna Austria Universiteit Antwerpen Antwerpen Belgium Vrije Universiteit Brussel Brussel Belgium Université Libre de Bruxelles Bruxelles Belgium Ghent University Ghent Belgium Université Catholique de Louvain Louvain-la-Neuve Belgium Centro Brasileiro de Pesquisas Fisicas Rio de Janeiro Brazil Universidade do Estado do Rio de Janeiro Rio de Janeiro Brazil Universidade Estadual Paulista Universidade Federal do ABC São Paulo Brazil Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences Sofia Bulgaria University of Sofia Sofia Bulgaria Instituto De Alta Investigación Universidad de Tarapacá Casilla 7 D Arica Chile Beihang University Beijing China Department of Physics Tsinghua University Beijing China Institute of High Energy Physics Beijing China State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China Sun Yat-Sen University Guangzhou China University of Science and Technology of China Hefei China Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) — Fudan University Shanghai China Zhejiang University Zhejiang Hangzhou China Universidad de Los Andes Bogota Venezuela Universidad de Antioquia Medellin Colombia University of Split Faculty of Electrical Engineering Mechanical Engineering and Naval Architecture Split Croatia University of Split Faculty of Science Split Croatia Institute Rudjer Boskovic Zagreb Croatia University of Cyprus Nicosia Cyprus Charles University Prague Czech Republic Escuela Politecnica Nacional Quito Ecuador Universidad San Francisco de Quito Quito Ecuador Academy of Scientific Research and Technology of the Arab Republic of Egypt Egyptian Network of High Energy Physics Cairo Egypt Center for High Energy Physics (CHEP-FU) Fayoum University El-Fayoum Egypt National Institute of Chemical Physics and Biophysics Tallinn Estonia Department of Physics

The inclusive jet cross section is measured as a function of jet transverse momentum pT and rapidity y. The measurement is performed using proton-proton collision data at s = 5.02 TeV, recorded by the CMs experiment a... 详细信息

The inclusive jet cross section is measured as a function of jet transverse momentum pTsub> and rapidity y. The measurement is performed using proton-proton collision data at s = 5.02 TeV, recorded by the CMs experiment at the LHC, corresponding to an integrated luminosity of 27.4 pb−1sup>. The jets are reconstructed with the anti-kTsub> algorithm using a distance parameter of R = 0.4, within the rapidity interval |y| < 2, and across the kinematic range 0.06 < pTsub>< 1 TeV. The jet cross section is unfolded from detector to particle level using the determined jet response and resolution. The results are compared to predictions of perturbative quantum chromodynamics, calculated at both next-to-leading order and next-to-next-to-leading order. The predictions are corrected for nonperturbative effects, and presented for a variety of parton distribution functions and choices of the renormalization/factorization scales and the strong coupling αssub>. © The Author(s) 2025.

关键词： Hadron-Hadron scattering Jet Physics QCD

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Measurement of the τ lepton polarization in Z boson decays in proton-proton collisions at (Formula presented.)

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Journal of High energy Physics 2024年第1期2024卷 101页

作者： Hayrapetyan, A. Tumasyan, A. Adam, W. Andrejkovic, J.W. bergauer, T. Chatterjee, s. Damanakis, K. Dragicevic, M. escalante Del Valle, A. Hussain, P.s. Jeitler, M. Krammer, N. Liko, D. Mikulec, I. schieck, J. schöfbeck, R. schwarz, D. sonawane, M. Templ, s. Waltenberger, W. Wulz, C.-e. Darwish, M.R. Janssen, T. Van Mechelen, P. bols, e.s. D’Hondt, J. Dansana, s. De Moor, A. Delcourt, M. el Faham, H. Lowette, s. Makarenko, I. Müller, D. sahasransu, A.R. Tavernier, s. Tytgat, M. Van Putte, s. Vannerom, D. Clerbaux, b. De Lentdecker, G. Favart, L. Hohov, D. Jaramillo, J. Khalilzadeh, A. Lee, K. Mahdavikhorrami, M. Malara, A. Paredes, s. Pétré, L. Postiau, N. Thomas, L. Vanden bemden, M. Vander Velde, C. Vanlaer, P. De Coen, M. Dobur, D. Hong, Y. Knolle, J. Lamb.e.ht, L. Mestdach, G. Rendón, C. samalan, A. skovpen, K. Van Den bossche, N. Wezenb.e., L. benecke, A. bruno, G. Caputo, C. Delaere, C. Donertas, I.s. Giammanco, A. Jaffel, K. Jain, sa. Lemaitre, V. Lidrych, J. Mastrapasqua, P. Mondal, K. Tran, T.T. Wertz, s. Alves, G.A. Coelho, e. Hensel, C. Menezes De Oliveira, T. Moraes, A. Rebello Teles, P. soeiro, M. Aldá Júnior, W.L. Alves Gallo Pereira, M. barroso Ferreira Filho, M. brandao Malbouisson, H. Carvalho, W. Chinellato, J. Da Costa, e.M. Da silveira, G.G. De Jesus Damiao, D. Fonseca De souza, s. Martins, J. Mora Herrera, C. Mota Amarilo, K. Mundim, L. Nogima, H. santoro, A. silva Do Amaral, s.M. sznajder, A. Thiel, M. Vilela Pereira, A. bernardes, C.A. Calligaris, L. Fernandez Perez Tomei, T.R. Gregores, e.M. Mercadante, P.G. Novaes, s.F. Orzari, b. Padula, sandra s. Aleksandrov, A. Antchev, G. Hadjiiska, R. Iaydjiev, P. Misheva, M. shopova, M. sultanov, G. Dimitrov, A. Ivanov, T. Litov, L. Pavlov, b. Petkov, P. Petrov, A. shumka, e. Keshri, s. Thakur, s. Cheng, T. Guo, Q. Javaid, T. Mittal, M. Yuan, L. bauer, G. Hu, Z. Yi, K. Chen, G.M. Chen, H.s. Chen, M. Iemmi, F. Jiang, C.H. Kapoor, A. Liao, H. Liu, Z.-A. Monti, F. sharma, R. song, J.N. Tao, J. Wang, C. Wang, J. Wang, Z. Zhang, H. Agapitos, A. ban, Y. Lev Yerevan Physics Institute Yerevan Armenia Institut für Hochenergiephysik Vienna Austria Universiteit Antwerpen Antwerpen Belgium Vrije Universiteit Brussel Brussel Belgium Université Libre de Bruxelles Bruxelles Belgium Ghent University Ghent Belgium Université Catholique de Louvain Louvain-la-Neuve Belgium Centro Brasileiro de Pesquisas Fisicas Rio de Janeiro Brazil Universidade do Estado do Rio de Janeiro Rio de Janeiro Brazil Universidade Estadual Paulista Universidade Federal do ABC São Paulo Brazil Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences Sofia Bulgaria University of Sofia Sofia Bulgaria Instituto De Alta Investigación Universidad de Tarapacá Casilla 7 D Arica Chile Beihang University Beijing China Department of Physics Tsinghua University Beijing China Institute of High Energy Physics Beijing China State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China Sun Yat-Sen University Guangzhou China University of Science and Technology of China Hefei China Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) — Fudan University Shanghai China Zhejiang University Zhejiang Hangzhou China Universidad de Los Andes Bogota Colombia Universidad de Antioquia Medellin Colombia University of Split Faculty of Electrical Engineering Mechanical Engineering and Naval Architecture Split Croatia University of Split Faculty of Science Split Croatia Institute Rudjer Boskovic Zagreb Croatia University of Cyprus Nicosia Cyprus Charles University Prague Czech Republic Escuela Politecnica Nacional Quito Ecuador Universidad San Francisco de Quito Quito Ecuador Academy of Scientific Research and Technology of the Arab Republic of Egypt Egyptian Network of High Energy Physics Cairo Egypt Center for High Energy Physics (CHEP-FU) Fayoum University El-Fayoum Egypt National Institute of Chemical Physics and Biophysics Tallinn Estonia Department of Physics

The polarization of τ leptons is measured using leptonic and hadronic τ lepton decays in Z → τ+ τ− events in proton-proton collisions at (Formula presented.) recorded by CMs at the CeRN LHC with an integrated lum... 详细信息

The polarization of τ leptons is measured using leptonic and hadronic τ lepton decays in Z → τ+sup> τ−sup> events in proton-proton collisions at (Formula presented.) recorded by CMs at the CeRN LHC with an integrated luminosity of 36.3 fb−1sup>. The measured τ−sup> lepton polarization at the Z boson mass pole is Pτsub>(Z) = −0.144 ± 0.006 (stat) ± 0.014 (syst) = −0.144 ± 0.015, in good agreement with the measurement of the τ lepton asymmetry parameter of Aτsub> = 0.1439 ± 0.0043 = − Pτsub>(Z) at LeP. The τ lepton polarization depends on the ratio of the vector to axial-vector couplings of the τ leptons in the neutral current expression, and thus on the effective weak mixing angle sin2sup> θWeff , independently of the Z boson production mechanism. The obtained value sin2sup> θWeff = 0.2319 ± 0.0008(stat) ± 0.0018(syst) = 0.2319 ± 0.0019 is in good agreement with measurements at e+sup> e−sup> colliders. [Figure not availab.e. see fulltext.]. © 2024, The Author(s).

关键词： Hadron-Hadron scattering Tau Physics

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IoT based Low-cost Weather station and Monitoring system for Precision Agriculture in India

IoT Based Low-cost Weather Station and Monitoring System for...

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International Conference on I-sMAC (IoT in social, Mobile, Analytics and Cloud) (I-sMAC)

作者： Rajinder Kumar M. Math Nagaraj V. Dharwadkar Department of ECE B.L.D.E. A’S College of Engineering and Technology Vijayapur Karnataka state India Department of Computer Science and Engineering Rajarambapu Institute of Technology Islampur Maharashtra state India

ISBN: (纸本)9781538614433;9781538614426

In recent times it is seen that the climatic and weather conditions not only in India but also in other countries have become uncertain and unpredictab.e. which may have devastating effects on the agriculture production. India being an agricultural country, most of the farmers largely rely on monsoons and agricultural production is weather dependent. The environmental factors like temperature, humidity, moisture, precipitation and many other parameters keep on changing rapidly and unpredictably. This unpredictab.e.nature, variability of climatic or weather conditions makes the life of farmers quite miserab.e.as they are unab.e.to take proper decisions at the right time. Thus, it is the need of the hour to have a real-time, local weather station which would keep the farmers informed well in advance about the prevailing weather conditions so that they can take appropriate decisions at the right time and save their crops from loss. Precision Agriculture (PA) is an art of using the latest availab.e.technologies in the agriculture domain so as to make traditional agriculture more profitab.e.and sustainab.e.while reducing the wastage of resources. The penetration of internet into India is very deep and very fast, especially due to the Jio mania by Reliance Jio Infocomm Limited last year, high speed internet is now possib.e.even in rural areas. This paper proposes a IoT based real-time local weather station for PA, that would provide farmers a means of automizing their agricultural practices (irrigation, fertilization, harvesting) at the right time. The proposed system would also aid the farmers to carry out the agricultural tasks on real-time bases, which in turn helps them to use the agricultural resources in efficient way and at the time when needed by the crops. The proposed weather system is a small step towards the development of PA system considering the Indian scenarios.

关键词： Meteorology Agriculture Temperature sensors Temperature measurement Internet of Things Monitoring

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The CMs statistical Analysis and Combination Tool: Combine

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Computing and software for big science 2024年第1期8卷 1-45页

作者： Zhokin, A. Zhizhin, I. Zarubin, A. Yuldashev, b.s. Voytishin, N. Vorotnikov, G. Vorob.e., A. Volkov, P. Uzunian, A. Uvarov, L. Toropin, A. Tlisova, I. Teryaev, O. Terkulov, A. Tcherniaev, e. sulimov, V. sosnov, D. smirnov, V. slabospitskii, s. skovpen, Y. shulha, s. shmatov, s. shalaev, V. savrin, V. savina, M. Radchenko, O. Popov, V. Polikarpov, s. Perfilov, M. Perelygin, V. Palichik, V. Oreshkin, V. Obraztsov, s. Nikitenko, A. Murzin, V. Matveev, V. Malakhov, A. Makarenko, V. Lychkovskaya, N. Levchenko, P. Lanev, A. Krasnikov, N. Kozyrev, A. Korenkov, V. Konstantinov, D. Kodolova, O. Klyukhin, V. Kirsanov, M. Kirpichnikov, D. Kirakosyan, M. Kim, V. Karneyeu, A. Karjavine, V. Kachanov, V. Ivanov, Y. Gribushin, A. Gorbunov, I. Golutvin, I. Golubev, N. Golovtcov, V. Gninenko, s. Gavrilov, V. Gavrilov, G. Dudko, L. Dubinin, M. Druzhkin, D. Dimova, T. Dermenev, A. Chistov, R. Chekhovsky, V. Chadeeva, M. bunichev, V. budkouski, D. borshch, V. boos, e. blinov, V. bab.e., A. Azarkin, M. Aushev, T. Andreev, Yu. Andreev, V. Alexakhin, V. Afanasiev, s. Warden, A. Vetens, W. Tsoi, H.F. Teague, D. smith, W.H. sharma, V. shang, V. savin, A. Pinna, D. Pétré, L. Parida, G. Mondal, s. Mohammadi, A. Mallampalli, A. sreekala, J. Madhusudanan Loveless, R. Lanaro, A. Koraka, C.K. Herve, A. Herndon, M. He, H. Galloni, C. everaerts, P. De bruyn, I. Dasu, s. bose, T. black, K. banerjee, s. Aravind, A. Karchin, P.e. bhattacharya, s. Neu, C. Ledovskoy, A. Hirosky, R. Hakala, J. Cox, b. Cardwell, b. Viinikainen, J. Velkovska, J. Tuo, s. sheldon, P. Romeo, F. Melo, A. elayavalli, R. Kunnawalkam Johns, W. Gurrola, A. Greene, s. Chen, Y. Appelt, e. Volobouev, I. Peltola, T. Mankel, A. Lee, s.W. Lamichhane, K. Kazhykarim, Y. Hussain, A. Hegde, V. Gogate, N. Damgov, J. Akchurin, N. safonov, A. Rathjens, D. Overton, D. Mueller, R. Luo, s. Kim, H. Kamon, T. Huang, T. Gilmore, J. eusebi, R. bouhali, O. Akhter, T. Ahmad, M. Aebi, D. spanier, s. Nibigira, e. Lee, L. Karunarathna, N. Kanuganti, A.R. Holmes, T. Higginbotham, s. Fiorendi, s. Delannoy Yerevan Physics Institute Yerevan Armenia Institut für Hochenergiephysik Vienna Austria Universiteit Antwerpen Antwerpen Belgium Vrije Universiteit Brussel Brussel Belgium Université Libre de Bruxelles Bruxelles Belgium Ghent University Ghent Belgium Université Catholique de Louvain Louvain-la-Neuve Belgium Centro Brasileiro de Pesquisas Fisicas Rio de Janeiro Brazil Universidade do Estado do Rio de Janeiro Rio de Janeiro Brazil Universidade Estadual Paulista Universidade Federal do ABC São Paulo Brazil Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences Sofia Bulgaria University of Sofia Sofia Bulgaria Instituto De Alta Investigación Universidad de Tarapacá Casilla 7 D Arica Chile Beihang University Beijing China Department of Physics Tsinghua University Beijing China Institute of High Energy Physics Beijing China State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China Guangdong Provincial Key Laboratory of Nuclear Science and Guangdong-Hong Kong Joint Laboratory of Quantum Matter South China Normal University Guangzhou China Sun Yat-Sen University Guangzhou China University of Science and Technology of China Hefei China Nanjing Normal University Nanjing China Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) Institute of Modern Physics Fudan University Shanghai China Zhejiang University Hangzhou Zhejiang China Universidad de Los Andes Bogota Venezuela Universidad de Antioquia Medellin Colombia Faculty of Electrical Engineering Mechanical Engineering and Naval Architecture University of Split Split Croatia Faculty of Science University of Split Split Croatia Institute Rudjer Boskovic Zagreb Croatia University of Cyprus Nicosia Cyprus Charles University Prague Czech Republic Universidad San Francisco de Quito Quito Ecuador Egyptian Network of High Energy Physics Academy of Scientific Research and Technology of the Arab Republic of Egypt Cairo Egypt Center for High

This paper describes the Combine software package used for statistical analyses by the CMs Collaboration. The package, originally designed to perform searches for a Higgs boson and the combined analysis of those searches, has evolved to become the statistical analysis tool presently used in the majority of measurements and searches performed by the CMs Collaboration. It is not specific to the CMs experiment, and this paper is intended to serve as a reference for users outside of the CMs Collaboration, providing an outline of the most salient features and capabilities. Readers are provided with the possibility to run Combine and reproduce examples provided in this paper using a publicly availab.e.container image. since the package is constantly evolving to meet the demands of ever-increasing data sets and analysis sophistication, this paper cannot cover all details of Combine. However, the online documentation referenced within this paper provides an up-to-date and complete user guide. © CeRN, for the benefit of the CMs Collaboration 2024.

关键词： CMs Combine Higgs Higgs boson statistics

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The ALMA RebeLs survey: Discovery of a massive, highly star-forming and morphologically complex ULIRG at z = 7.31

arXiv

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arXiv 2023年

作者： Hygate, A.P.s. Hodge, J.A. da Cunha, e. Rybak, M. schouws, s. Inami, H. stefanon, M. Graziani, L. schneider, R. Dayal, P. bouwens, R.J. smit, R. bowler, R.A.A. endsley, R. Gonzalez, V. Oesch, P.A. stark, D.P. Algera, H.s.b. Aravena, M. barrufet, L. Ferrara, A. Fudamoto, Y. Hilhorst, J.H.A. De Looze, I. Nanayakkara, T. Pallottini, A. Riechers, D.A. sommovigo, L. Topping, M.W. van der Werf, P. Leiden Observatory Leiden University P.O. Box 9513 Leiden2300 RA Netherlands International Centre for Radio Astronomy Research University of Western Australia 35 Stirling Hwy Crawley26WA 6009 Australia 2601 Australia Faculty of Electrical Engineering Mathematics and Computer Science Delft University of Technology Delft Netherlands Hiroshima Astrophysical Science Center Hiroshima University 1-3-1 Kagamiyama Higashi-Hiroshima Hiroshima739-8526 Japan Departament d’Astronomia i Astrofísica Universitat de València C. Dr. Moliner 50 Burjassot ValènciaE-46100 Spain Dipartimento di Fisica Sapienza Università di Roma Piazzale Aldo Moro 5 RomaI-00185 Italy INAF Osservatorio Astrofisico di Arcetri Largo E. Fermi 5 FirenzeI-50125 Italy Sapienza School for Advanced Studies Viale Regina Elena 291 RomaI-00161 Italy INAF/Osservatorio Astronomico di Roma via Frascati 33 Monte Porzio Catone RomaI-00078 Italy Istituto Nazionale di Fisica Nucleare Sezione di Roma1 Piazzale Aldo Moro 2 RomaI-00185 Italy Jodrell Bank Centre for Astrophysics Department of Physics and Astronomy School of Natural Sciences The University of Manchester ManchesterM13 9PL United Kingdom Steward Observatory University of Arizona 933 N Cherry Ave TucsonAZ85721 United States Departmento de Astronomia Universidad de Chile Casilla 36-D Santiago7591245 Chile Camino del Observatorio 1515 Las Condes Santiago7591245 Chile Observatoire de Genève VersoixCH-1290 Switzerland Niels Bohr Institute University of Copenhagen Jagtvej 128 København NDK-2200 Denmark National Astronomical Observatory of Japan 2-21-1 Osawa Mitaka Tokyo Japan Nucleo de Astronomia Facultad de Ingenieria y Ciencias Universidad Diego Portales Av. Ejercito 441 Santiago Chile Scuola Normale Superiore Piazza dei Cavalieri 7 PisaI- 50126 Italy Waseda Research Institute for Science and Engineering Faculty of Science and Engineering Waseda University 3-4-1 Okubo Shinjuku Tokyo169-8555 Japan Sterrenkun

We present Atacama Large Millimeter/submillimeter Array (ALMA) [Cii] and ∼ 158μm continuum ob.e.vations of RebeLs-25, a massive, morphologically complex ultra-luminous infrared galaxy (ULIRG;LIR = 1.5+−00.85 × 1012 L) at z = 7.31, spectroscopically confirmed by the Reionization era bright emission Line survey (RebeLs) ALMA Large Programme. RebeLs-25 has a significant stellar mass of M∗ = 8+−42 × 109 M . From dust-continuum and ultraviolet ob.e.vations, we determine a total obscured + unobscured star formation rate of sFR = 199+−10163 M yr−1. This is about four times the sFR estimated from an extrapolated main-sequence. We also infer a [Cii]-based molecular gas mass of MH2 = 5.1+−52.16 × 1010 M, implying a molecular gas depletion time of tdepl,H2 = 0.3+−00.32 Gyr. We ob.e.ve a [Cii] velocity gradient consistent with disc rotation, but given the current resolution we cannot rule out a more complex velocity structure such as a merger. The spectrum exhibits excess [Cii] emission at large positive velocities (∼ 500 km s−1), which we interpret as either a merging companion or an outflow. In the outflow scenario, we derive a lower limit of the mass outflow rate of 200 M yr−1, which is consistent with expectations for a star formation-driven outflow. Given its large stellar mass, sFR and molecular gas reservoir ∼ 700 Myr after the big bang, we explore the future evolution of RebeLs-25. Considering a simple, conservative model assuming an exponentially declining star formation history, constant star formation efficiency, and no additional gas inflow, we find that RebeLs-25 has the potential to evolve into a galaxy consistent with the properties of high-mass quiescent galaxies recently ob.e.ved at z ∼ 4. Copyright © 2023, The Authors. All rights reserved.

关键词： Galaxies

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Measurement of the Higgs boson production via vector boson fusion and its decay into bottom quarks in proton-proton collisions at s = 13 TeV

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Journal of High energy Physics 2024年第1期2024卷 173页

作者： Hayrapetyan, A. Tumasyan, A. Adam, W. Andrejkovic, J.W. bergauer, T. Chatterjee, s. Damanakis, K. Dragicevic, M. escalante Del Valle, A. Hussain, P.s. Jeitler, M. Krammer, N. Lechner, L. Liko, D. Mikulec, I. schieck, J. schöfbeck, R. schwarz, D. sonawane, M. Templ, s. Waltenberger, W. Wulz, C.-e. Darwish, M.R. Janssen, T. Kello, T. Van Mechelen, P. bols, e.s. D’Hondt, J. Dansana, s. De Moor, A. Delcourt, M. el Faham, H. Lowette, s. Makarenko, I. Morton, A. Müller, D. sahasransu, A.R. Tavernier, s. Tytgat, M. Van Putte, s. Vannerom, D. Clerbaux, b. De Lentdecker, G. Favart, L. Hohov, D. Jaramillo, J. Khalilzadeh, A. Lee, K. Mahdavikhorrami, M. Malara, A. Paredes, s. Pétré, L. Postiau, N. Thomas, L. Vanden bemden, M. Vander Velde, C. Vanlaer, P. De Coen, M. Dobur, D. Knolle, J. Lamb.e.ht, L. Mestdach, G. Rendón, C. samalan, A. skovpen, K. Van Den bossche, N. Vermassen, b. Wezenb.e., L. benecke, A. bruno, G. bury, F. Caputo, C. Delaere, C. Donertas, I.s. Giammanco, A. Jaffel, K. Jain, sa. Lemaitre, V. Lidrych, J. Mastrapasqua, P. Mondal, K. Tran, T.T. Wertz, s. Alves, G.A. Coelho, e. Hensel, C. Moraes, A. Rebello Teles, P. Aldá Júnior, W.L. Alves Gallo Pereira, M. barroso Ferreira Filho, M. brandao Malbouisson, H. Carvalho, W. Chinellato, J. Da Costa, e.M. Da silveira, G.G. De Jesus Damiao, D. Fonseca De souza, s. Martins, J. Mora Herrera, C. Mota Amarilo, K. Mundim, L. Nogima, H. santoro, A. silva Do Amaral, s.M. sznajder, A. Thiel, M. Vilela Pereira, A. bernardes, C.A. Calligaris, L. Fernandez Perez Tomei, T.R. Gregores, e.M. Mercadante, P.G. Novaes, s.F. Orzari, b. Padula, sandra s. Aleksandrov, A. Antchev, G. Hadjiiska, R. Iaydjiev, P. Misheva, M. shopova, M. sultanov, G. Dimitrov, A. Ivanov, T. Litov, L. Pavlov, b. Petkov, P. Petrov, A. shumka, e. Keshri, s. Thakur, s. Cheng, T. Guo, Q. Javaid, T. Mittal, M. Yuan, L. bauer, G. Hu, Z. Yi, K. Chen, G.M. Chen, H.s. Chen, M. Iemmi, F. Jiang, C.H. Kapoor, A. Liao, H. Liu, Z.-A. Monti, F. sharma, R. song, J.N. Tao, J. Wang, J. Zhang, H. Agapitos, A. ban, Y. Levin, A. Yerevan Physics Institute Yerevan Armenia Institut für Hochenergiephysik Vienna Austria Universiteit Antwerpen Antwerpen Belgium Vrije Universiteit Brussel Brussel Belgium Université Libre de Bruxelles Bruxelles Belgium Ghent University Ghent Belgium Université Catholique de Louvain Louvain-la-Neuve Belgium Centro Brasileiro de Pesquisas Fisicas Rio de Janeiro Brazil Universidade do Estado do Rio de Janeiro Rio de Janeiro Brazil Universidade Estadual Paulista Universidade Federal do ABC São Paulo Brazil Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences Sofia Bulgaria University of Sofia Sofia Bulgaria Instituto De Alta Investigación Universidad de Tarapacá Casilla 7 D Arica Chile Beihang University Beijing China Department of Physics Tsinghua University Beijing China Institute of High Energy Physics Beijing China State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China Sun Yat-Sen University Guangzhou China University of Science and Technology of China Hefei China Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) — Fudan University Shanghai China Zhejiang University Zhejiang Hangzhou China Universidad de Los Andes Bogota Colombia Universidad de Antioquia Medellin Colombia University of Split Faculty of Electrical Engineering Mechanical Engineering and Naval Architecture Split Croatia University of Split Faculty of Science Split Croatia Institute Rudjer Boskovic Zagreb Croatia University of Cyprus Nicosia Cyprus Charles University Prague Czech Republic Escuela Politecnica Nacional Quito Ecuador Universidad San Francisco de Quito Quito Ecuador Academy of Scientific Research and Technology of the Arab Republic of Egypt Egyptian Network of High Energy Physics Cairo Egypt Center for High Energy Physics (CHEP-FU) Fayoum University El-Fayoum Egypt National Institute of Chemical Physics and Biophysics Tallinn Estonia Department of Physics

A measurement of the Higgs boson (H) production via vector boson fusion (VbF) and its decay into a bottom quark-antiquark pair (bb¯) is presented using proton-proton collision data recorded by the CMs experiment at s = 13 TeV and corresponding to an integrated luminosity of 90.8 fb−1sup>. Treating the gluon-gluon fusion process as a background and constraining its rate to the value expected in the standard model (sM) within uncertainties, the signal strength of the VbF process, defined as the ratio of the ob.e.ved signal rate to that predicted by the sM, is measured to be μHbb¯sub>qqhsup>=1.01−0.46sub>+0.55sup>. The VbF signal is ob.e.ved with a significance of 2.4 standard deviations relative to the background prediction, while the expected significance is 2.7 standard deviations. Considering inclusive Higgs boson production and decay into bottom quarks, the signal strength is measured to be μHbb¯sub>incl.sup>=0.99−0.41sub>+0.48sup>, corresponding to an ob.e.ved (expected) significance of 2.6 (2.9) standard deviations. © The Author(s) 2024.

关键词： b Physics Hadron-Hadron scattering Higgs Physics

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