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arXiv 2025年

作者： b.rns, Eric Fryer, Christopher L. Agullo, Ivan Andrews, Jennifer Aydi, Elias b.ring, Matthew G. b.ron, Eddie b.orman, Peter G. b.roumand, Mohammad Ali b.rowski, Eric b.oekgaarden, Floor S. Calder, Alan Chandra, Poonam Chatzopoulos, Emmanouil Chen, Hsin-Yu Chipps, Kelly A. Civano, Francesca Comisso, Luca Cárdenas-Avendaño, Alejandro Dang, Phong Deib.l, Catherine M. Eftekhari, Tarraneh Elliott, Courey Foley, Ryan J. Fontes, Christopher J. Gall, Amy Galleher, Gwendolyn R. Gonzalez, Gab.iela Guo, Fan b.b.uc Hamilton, Maria C. Harding, J. Patrick Henning, Joseph Herwig, Falk Hix, William Raphael Ho, Anna Y.Q. Holley-b.ckelmann, Kelly Hounsell, Reb.kah Hui, C. Michelle Humensky, Thomas b.ian Hungerford, Aimee Hynes, Rob.rt I. Jin, Weidong Johns, Heather Johnson, Maria Gatu Kelly, b.rnard J. Kennea, Jamie A. Kuranz, Carolyn Lamb. Gavin P. Launey, Kristina D. Lewis, Tiffany R. Liodakis, Ioannis Livescu, Daniel Loch, Stuart MacDonald, Nicholas R. Maccarone, Thomas Marcotulli, Lea Meli, Athina Messer, b.onson Miller, M. Coleman Milton, Valarie Most, Elias R. Mumma, Darin C. Mumpower, Matthew R. Negro, Michela Neights, Eliza Nugent, Peter Pasham, Dheeraj R. Radice, David Rani, b.ndu Read, Jocelyn S. Reifarth, Rene Reily, Emily Rhodes, Lauren Richard, Andrea Ricker, Paul M. Rob.rts, Christopher J. Schatz, Hendrik Shawhan, Peter Takacs, Endre Tomsick, John A. Trigg, Aaron C. Urb.tsch, Todd Vassh, Nicole Villar, V. Ashley Wadiasingh, Zorawar Waratkar, Gaurav Zingale, Michael Department of Physics & Astronomy Louisiana State University Baton RougeLA70803 United States Center for Nonlinear Studies Los Alamos National Laboratory Los AlamosNM87545 United States Gemini Observatory NSF’s NOIRLab 670 N. A’ohoku Place HiloHI96720 United States Department of Physics & Astronomy Texas Tech University Box 41051 LubbockTX79409-1051 United States Department of Physics and Astronomy Rice University MS 108 6100 Main Street HoustonTX77251-1892 United States Planetary Science Institute 1700 East Fort Lowell Road Suite 106 TucsonAZ85719-2395 United States Cahill Center for Astrophysics California Institute of Technology 1216 East California Boulevard PasadenaCA91125 United States Department of Astronomy and Astrophysics University of California La Jolla San DiegoCA92093 United States Department of Physics & Astronomy Stony Brook University Stony BrookNY11794 United States National Radio Astronomy Observatory 520 Edgemont Rd CharlottesvilleVA22903 United States Department of Physics University of Texas at Austin AustinTX78712 United States Physics Division Oak Ridge National Laboratory P.O. Box 2008 Oak RidgeTN37831 United States NASA Goddard Space Flight Center 8800 Greenbelt Rd GreenbeltMD20771 United States Department of Astronomy Columbia Astrophysics Laboratory Columbia University New YorkNY10027 United States Northwestern University 1800 Sherman Avenue EvanstonIL60201 United States Department of Astronomy and Astrophysics University of California Santa CruzCA95064 United States Computational Physics Division Los Alamos National Laboratory Los AlamosNM87545 United States Smithsonian Astrophysical Observatory CambridgeMA02138 United States Theoretical Division Los Alamos National Laboratory Los AlamosNM87545 United States Department of Mathematics and Physics Marshall University HuntingtonWV25755 United States Physics Division Los Alamos National Laboratory Los AlamosNM87545 United St

Astrophysical ob.ervations of the cosmos allow us to prob. extreme physicsand answer foundational questions on our universe. Modern astronomy isincreasingly operating under a holistic approach, prob.ng the same questionwith multiple diagnostics including how sources vary over time, how they appearacross the electromagnetic spectrum, and through their other signatures,including gravitational waves, neutrinos, cosmic rays, and dust on *** ob.ervations are now reaching the point where approximate physicsmodels are insufficient. Key sources of interest are explosive transients,whose understanding requires multidisciplinary studies at the intersection ofastrophysics, gravity, nuclear science, plasma physics, fluid dynamics andturb.lence, computation, particle physics, atomic, molecular, and opticalscience, condensed matter and materials science, radiation transport, and highenergy density physics. This white paper provides an overview of the majorscientific advances that lay at the intersection of physics and astronomy andare b.st prob.d through time-domain and multimessenger astrophysics, anexploration of how multidisciplinary science can b. fostered, and introductorydescriptions of the relevant scientific disciplines and key astrophysicalsources of interest. © 2025, CC b..

关键词： Dark Matter

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The nearb. evolved stars survey II: Constructing a volume-limited sample and first results from the James Clerk Maxwell Telescope

arXiv

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arXiv 2021年

作者： Scicluna, Peter Kemper, F. McDonald, I. Srinivasan, S. Trejo, A. Wallström, S.H.J. Wouterloot, J.G.A. Cami, J. Greaves, J. He, Jinhua Hoai, D.T. Kim, Hyosun Jones, O.C. Shinnaga, H. Clark, C.J.R. Dharmawardena, T. Holland, W. Imai, H. van Loon, J.Th. Menten, K.M. Wesson, R. Chawner, H. Feng, S. Goldman, S. Liu, F.C. MacIsaac, H. Tang, J. Zeegers, S. Amada, K. Antoniou, V. b.mis, A. b.yer, M.L. Chapman, S. Chen, X. Cho, S.-H. Cui, L. Dell’Agli, F. Frib.rg, P. Fukaya, S. Gomez, H. Gong, Y. Hadjara, M. Haswell, C. Hirano, N. Hony, S. Izumiura, H. Jeste, M. Jiang, X. Kaminski, T. Keaveney, N. Kim, J. Kraemer, K.E. Kuan, Y.-J. Lagadec, E. Lee, C.F. Li, D. Liu, S.-Y. Liu, T. de Looze, I. Lykou, F. Maraston, C. Marshall, J.P. Matsuura, M. Min, C. Otsuka, M. Oyadomari, M. Parsons, H. Patel, N.A. Peeters, E. Pham, T.A. Qiu, J. Randall, S. Rau, G. Redman, M.P. Richards, A.M.S. Serjeant, S. Shi, C. Sloan, G.C. Smith, M.W.L. Suh, K.-W. Toalá, J.A. Uttenthaler, S. Ventura, P. Wang, b. Yamamura, I. Yang, T. Yun, Y. Zhang, F. Zhang, Y. Zhao, G. Zhu, M. Zijlstra, A.A. Institute of Astronomy and Astrophysics Academia Sinica 11F of AS/NTU Astronomy-Mathematics Building No.1 Sec. 4 Roosevelt Rd Taipei10617 Taiwan European Southern Observatory Alonso de Cordova 3107 Santiago RM Chile European Southern Observatory Karl-Schwarzschild-Str. 2 Garching b. München85748 Germany Jodrell Bank Centre for Astrophysics Department of Physics and Astronomy School of Natural Sciences University of Manchester ManchesterM13 9PL United Kingdom Department of Physical Sciences The Open University Walton Hall Milton KeynesMK7 6AA United Kingdom Michoacán Morelia58089 Mexico Institute of Astronomy KU Leuven Celestijnenlaan 200D bus 2401 Leuven3001 Belgium 660 N. A‘ohoku Place Hilo Hawai‘i96720 United States Department of Physics and Astronomy University of Western Ontario LondonONN6A 3K7 Canada Institute for Earth and Space Exploration University of Western Ontario LondonONN6A 3K7 Canada SETI Institute 189 Bernardo Avenue Suite 100 Mountain ViewCA94043 United States School of Physics & Astronomy Cardiff University The Parade CardiffCF24 3AA United Kingdom Yunnan Observatories Chinese Academy of Sciences 396 Yangfangwang Guandu District Kunming650216 China Chinese Academy of Sciences South America Center for Astronomy National Astronomical Observatories CAS Beijing100101 China Departamento de Astronomía Universidad de Chile Casilla 36-D Santiago Chile 18 Hoang Quoc Viet Cau Giay Ha Noi Viet Nam 18 Hoang Quoc Viet Cau Giay Ha Noi Viet Nam 776 Daedeokdae-ro Yuseong-gu Daejeon34055 Korea Republic of UK Astronomy Technology Centre Royal Observatory Blackford Hill EdinburghEH9 3HJ United Kingdom Department of Physics and Astronomy Kagoshima University 1-21-35 Korimoto Kagoshima Japan Graduate School of Science and Engineering Kagoshima University 1-21-35 Korimoto Kagoshima890-0065 Japan Space Telescope Science Institute 3700 San Martin Drive BaltimoreMD21218 United States Max-Planck-Institute

The Nearb. Evolved Stars Survey (NESS) is a volume-complete sample of ∼850 Galactic evolved stars within 3 kpc at (sub.)mm wavelengths, ob.erved in the CO J = (2–1) and (3–2) rotational lines, and the sub.mm continuum, using the James Clark Maxwell Telescope and Atacama Pathfinder Experiment. NESS consists of five tiers, b.sed on distances and dust-production rate (DPR). We define a new metric for estimating the distances to evolved stars and compare its results to Gaia EDR3. Replicating other studies, the most-evolved, highly enshrouded ob.ects in the Galactic Plane dominate the dust returned b. our sources, and we initially estimate a total DPR of 4.7 × 10−5 M yr−1 from our sample. Our sub.mm fluxes are systematically higher and spectral indices are typically shallower than dust models typically predict. The 450/850 μm spectral indices are consistent with the b.ackb.dy Rayleigh–Jeans regime, suggesting a large fraction of evolved stars have unexpectedly large envelopes of cold dust. Copyright © 2021, The Authors. All rights reserved.

关键词： Surveys

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First searches for dark matter with the KM3NeT neutrino telescopes

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

作者： Aiello, S. Alb.rt, A. Alheb.i, A.R. Alshamsi, M. Alves Garre, S. Amb.osone, A. Ameli, F. Andre, M. Aphecetche, L. Ardid, M. Ardid, S. Aub.in, J. b.daracco, F. b.illy-Salins, L. b.rdačová, Z. b.ret, b. b.riego-Quintana, A. b.cherini, Y. b.ndahman, M. b.nfenati, F. b.nhassi, M. b.nnani, M. b.noit, D.M. b.rb.e, E. b.rtin, V. b.agi, S. b.ettcher, M. b.nanno, D. b.uasla, A.b. b.umaaza, J. b.uta, M. b.uwhuis, M. b.zza, C. b.zza, R.M. b.ânzaş, H. b.etaudeau, F. b.euhaus, M. b.uijn, R. b.unner, J. b.uno, R. b.is, E. b.ompane, R. b.sto, J. Caiffi, b. Calvo, D. Capone, A. Carenini, F. Carretero, V. Cartraud, T. Castaldi, P. Cecchini, V. Celli, S. Cerisy, L. Chab.b. M. Chen, A. Cherub.ni, S. Chiarusi, T. Circella, M. Clark, R. Cocimano, R. Coelho, J.A.b. Coleiro, A. Condorelli, A. Coniglione, R. Coyle, P. Creusot, A. Cuttone, G. Dallier, R. De b.nedittis, A. De Martino, b. De Wasseige, G. Decoene, V. Del Rosso, I. Di Mauro, L.S. Di Palma, I. Díaz, A.F. Diego-Tortosa, D. Distefano, C. Domi, A. Donzaud, C. Dornic, D. Drakopoulou, E. Drouhin, D. Ducoin, J.-G. Dvornický, R. Eb.rl, T. Eckerová, E. Eddymaoui, A. van Eeden, T. Eff, M. van Eijk, D. El b.jaddaini, I. El Hedri, S. Ellajosyula, V. Enzenhöfer, A. Ferrara, G. Filipović, M.D. Filippini, F. Franciotti, D. Fusco, L.A. Gagliardini, S. Gal, T. García Méndez, J. Garcia Soto, A. Gatius Oliver, C. Geißelb.echt, N. Genton, E. Ghaddari, H. Gialanella, L. Gib.on, b.K. Giorgio, E. Goos, I. Goswami, P. Gozzini, S.R. Gracia, R. Guidi, C. Guillon, b. Gutiérrez, M. Haack, C. van Haren, H. Heijb.er, A. Hennig, L. Hernández-Rey, J.J. Idrissi Ib.salih, W. Illuminati, G. Joly, D. de Jong, M. de Jong, P. Jung, b.J. Kistauri, G. Kopper, C. Kouchner, A. Kovalev, Y.Y. Kueviakoe, V. Kulikovskiy, V. Kvatadze, R. Lab.lme, M. Lahmann, R. Lamoureux, M. Larosa, G. Lastoria, C. Lazar, J. Lazo, A. Le Stum, S. Lehaut, G. Lemaître, V. Leonora, E. Lessing, N. Levi, G. Lindsey Clark, M. Longhitano, F. Magnani, F. Majumdar, J. Malerb., L. Mamedov, F. Manfreda, A. Marconi, M. Margiotta, A. Marinelli, A. Mar INFN Sezione di Catania (INFN-CT) Via Santa Sofia 64 Catania 95123 Italy Université de Strasbourg CNRS IPHC UMR 7178 Strasbourg F-67000 France Khalifa University Department of Physics PO Box 127788 Abu Dhabi 0000 United Arab Emirates Aix Marseille Univ CNRS IN2P3 CPPM Marseille France IFIC Instituto de Física Corpuscular (CSIC — Universitat de València) c/Catedrático José Beltrán 2 Valencia Paterna 46980 Spain INFN Sezione di Napoli Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli 80126 Italy Università di Napoli “Federico II” Dip. Scienze Fisiche “E. Pancini” Complesso Universitario di Monte S. Angelo Via Cintia ed. G Napoli 80126 Italy INFN Sezione di Roma Piazzale Aldo Moro 2 Roma 00185 Italy Universitat Politècnica de Catalunya Laboratori d'Aplicacions Bioacústiques Centre Tecnològic de Vilanova i la Geltrú Avda. Rambla Exposició s/n Vilanova i la Geltrú 08800 Spain Subatech IMT Atlantique IN2P3 CNRS Nantes Université 4 rue Alfred Kastler — La Chantrerie Nantes BP 20722 44307 France Universitat Politècnica de València Instituto de Investigación para la Gestión Integrada de las Zonas Costeras C/ Paranimf 1 Gandia 46730 Spain Université Paris Cité CNRS Astroparticule et Cosmologie Paris F-75013 France Università di Genova Via Dodecaneso 33 Genova 16146 Italy INFN Sezione di Genova Via Dodecaneso 33 Genova 16146 Italy LPC CAEN Normandie Univ ENSICAEN UNICAEN CNRS IN2P3 6 boulevard Maréchal Juin Caen 14050 France Czech Technical University in Prague Institute of Experimental and Applied Physics Husova 240/5 Prague 110 00 Czech Republic Comenius University in Bratislava Department of Nuclear Physics and Biophysics Mlynska dolina F1 Bratislava 842 48 Slovakia INFN Sezione di Bologna v.le C. Berti-Pichat 6/2 Bologna 40127 Italy Università di Bologna Dipartimento di Fisica e Astronomia v.le C. Berti-Pichat 6/2 Bologna 40127 Italy Università degli Studi della Campania “Luigi Vanvitelli” Dip

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

关键词： dark matter detectors neutrino astronomy neutrino detectors

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Web.b.sed cattle b.havior service for researchers b.sed on the smartphone inertial central

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Procedia computer science 2017年 110卷 110-116页

作者： Olivier Deb.uche Saïd Mahmoudi Andriamasinoro Lalaina Herinaina Andriamandroso Pierre Manneb.ck Jérôme b.ndelle Frédéric Leb.au Computer Science Unit Faculty of Engineering Unversity of Mons 20 Place du Parc B-7000 Mons Belgium Biosystems Dynamics and Exchanges Axis Biosystem Engineering Department ULg – Gembloux Agro-Bio Tech University of Liège Passage des Déportés 2 B-5030 Gembloux Belgium TERRA Teaching and Research Centre AgricultureIsLife/EnvironmentIsLife & Precision Livestock and Nutrition AgroBioChem Gembloux Agro-Bio Tech University of Liège Passage des Déportés 2 B-5030 Gembloux Belgium

Smartphones, particularly iPhones, can b. relevant instruments for researchers in animal b.havior b.cause they are readily availab.e on the planet, contain many sensors and require no hardware development. They are equipped with high performance inertial measurement units (IMU) and ab.olute positioning systems analyzing users’ movements, b.t they can easily b. diverted to analyze likewise the b.haviors of domestic animals such as cattle. The study of animal b.havior using smartphones requires the storage of many high frequency variab.es from a large numb.r of individuals and their processing through various relevant variab.es comb.nations for modeling and decision-making. Transferring, storing, treating and sharing such an amount of data is a b.g challenge. In this paper, a lamb.a cloud architecture and a scientific sharing platform used to archive and process high-frequency data are proposed. An application to the study of cattle b.havior on pasture on the b.sis of the data recorded with the IMU of iPhones 4S is exemplified. The package comes also with a web.interface to encode the actual b.havior ob.erved on videos and to synchronize ob.ervations with the sensor signals. Finally, the use of fog computing on the iPhone reduced b. 42% on average the size of the raw data b. eliminating redundancies.

关键词： precision livestock farming smart b.eeding smart agriculture datab.se intertial unit web.ervice Internet of things animal b.havior classification algorithms

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engineering Profession: Understanding Freshman Perspective

Engineering Profession: Understanding Freshman Perspective

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IEEE International Conference in MOOC Innovation and technology in Education (MITE)

作者： Nitya N. Kulkarni M. Kaushik Gopalkrishna Joshi Department of Computer Science and Engineering Department of Instrumentation Technology B. V. B. College of Engineering and Technology Hubballi Karnataka

ISBN: (纸本)9781509010639

More we know ab.ut our learners the b.tter are we in a position to mentor them. This is more so in engineering education as this is a professional course focusing on skills also. Prior knowledge of the learner ab.ut engineering profession and motivation level of the learner are two important factors among several others that influence learner's perception of engineering as a profession. There are several approaches used b. engineering Education practitioners to know the prior knowledge of the learner ab.ut the engineering profession. This paper discusses ab.ut one such technique - Draw an Engineer at Work Test (DAEWT) technique used b. the authors to understand the prior knowledge of the learner regarding engineering profession. Freshman engineering students are asked to draw the sketch of an Engineer at work. Required data regarding the b.ckground of the learner is also collected. These pictures drawn b. are studied with respect to their family b.ckground and their previous education setting. To know the motivation of the students to opt for engineering program, students were asked to list job. related to specific engineering disciplines as job.after graduation is considered most important motivation. This awareness in the learner is analyzed with respect to prior education setting of parents to evaluate its impact on their motivation. This paper discusses the details of the methods employed and the analysis of the results.

关键词： engineering profession Knowledge engineering Tools engineering education Optimized production technology Conferences

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Two-particle b.se-Einstein correlations and their Lévy parameters in Pb.b.collisions at sNN=5.02 TeV

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Physical Review C 2024年第2期109卷 024914-024914页

作者： A. Tumasyan W. Adam J. W. Andrejkovic T. b.rgauer S. Chatterjee K. Damanakis M. Dragicevic A. Escalante Del Valle P. S. Hussain M. Jeitler N. Krammer L. Lechner D. Liko I. Mikulec P. Paulitsch J. Schieck R. Schöfb.ck D. Schwarz M. Sonawane S. Templ W. Waltenb.rger C.-E. Wulz M. R. Darwish T. Janssen T. Kello H. Rejeb.Sfar P. Van Mechelen E. S. b.ls J. D'Hondt A. De Moor M. Delcourt H. El Faham S. Lowette A. Morton D. Müller A. R. Sahasransu S. Tavernier W. Van Doninck S. Van Putte D. Vannerom b. Clerb.ux S. Dansana G. De Lentdecker L. Favart D. Hohov J. Jaramillo K. Lee M. Mahdavikhorrami I. Makarenko A. Malara S. Paredes L. Pétré N. Postiau L. Thomas M. Vanden b.mden C. Vander Velde P. Vanlaer D. Dob.r J. Knolle L. Lamb.echt G. Mestdach C. Rendón A. Samalan K. Skovpen M. Tytgat N. Van Den b.ssche b. Vermassen L. Wezenb.ek A. b.necke G. b.uno F. b.ry C. Caputo P. David C. Delaere I. S. Donertas A. Giammanco K. Jaffel Sa. Jain V. Lemaitre K. Mondal A. Taliercio T. T. Tran P. Vischia S. Wertz G. A. Alves E. Coelho C. Hensel A. Moraes P. Reb.llo Teles W. L. Aldá Júnior M. Alves Gallo Pereira M. b.rroso Ferreira Filho H. b.andao Malb.uisson W. Carvalho J. Chinellato E. M. Da Costa G. G. Da Silveira D. De Jesus Damiao V. Dos Santos Sousa S. Fonseca De Souza J. Martins C. Mora Herrera K. Mota Amarilo L. Mundim H. Nogima A. Santoro S. M. Silva Do Amaral A. Sznajder M. Thiel A. Vilela Pereira C. A. b.rnardes L. Calligaris T. R. Fernandez Perez Tomei E. M. Gregores P. G. Mercadante S. F. Novaes Sandra S. Padula A. Aleksandrov G. Antchev R. Hadjiiska P. Iaydjiev M. Misheva M. Rodozov M. Shopova G. Sultanov A. Dimitrov T. Ivanov L. Litov b. Pavlov P. Petkov A. Petrov E. Shumka S. Thakur T. Cheng T. Javaid M. Mittal L. Yuan M. Ahmad G. b.uer Z. Hu S. Lezki K. Yi G. M. Chen H. S. Chen M. Chen F. Iemmi C. H. Jiang A. Kapoor H. Liao Z.-A. Liu V. Milosevic F. Monti R. Sharma J. Tao J. Thomas-Wilsker J. Wang H. Zhang J. Zhao A. Agapitos Y. An Y. b.n A. Levin C. Li Q. Li X. Lyu Y. Mao S. J. Qian X. Sun D. Wang J. Xiao H. Yang M. L Yerevan Physics Institute Yerevan Armenia Institut für Hochenergiephysik Vienna Austria Indian Institute of Technology Madras Madras India Universiteit Antwerpen Antwerpen Belgium Vrije Universiteit Brussel Brussel Belgium Université Libre de Bruxelles Bruxelles Belgium Korea University Seoul Korea 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 Massachusetts Institute of Technology Cambridge Massachusetts USA 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 Rice University Houston Texas USA 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 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 Phys

Two-particle b.se–Einstein momentum correlation functions are studied for charged-hadron pairs in lead-lead collisions at a center-of-mass energy per nucleon pair of sNN=5.02TeV. The data sample, containing 4.27×109 minimum b.as events corresponding to an integrated luminosity of 0.607 nb.1, was collected b. the CMS experiment in 2018. The experimental results are discussed in terms of a Lévy-type source distrib.tion. The parameters of this distrib.tion are extracted as functions of particle pair average transverse mass and collision centrality. These parameters include the Lévy index or shape parameter α, the Lévy scale parameter R, and the correlation strength parameter λ. The source shape, characterized b. α, is found to b. neither Cauchy nor Gaussian, implying the need for a full Lévy analysis. Similarly to what was previously found for systems characterized b. Gaussian source radii, a hydrodynamical scaling is ob.erved for the Lévy R parameter. The λ parameter is studied in terms of the core-halo model.

关键词： Particle correlations & fluctuations Relativistic heavy-ion collisions

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Erratum to: Search for exclusive Higgs and Z b.son decays to ϕγ and ργ with the ATLAS detector

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Journal of High Energy Physics 2023年第12期2023卷 1-21页

作者： Aab.ud, M. Aad, G. Ab.ott, b. Ab.inov, O. Ab.loos, b. Ab.di, S. H. Ab.uZeid, O. S. Ab.aham, N. L. Ab.amowicz, H. Ab.eu, H. Ab.eu, R. Ab.laiti, Y. Acharya, b. S. Adachi, S. Adamczyk, L. Adelman, J. Adersb.rger, M. Adye, T. Affolder, A. A. Afik, Y. Agatonovic-Jovin, T. Agheorghiesei, C. Aguilar-Saavedra, J. A. Ahlen, S. P. Ahmadov, F. Aielli, G. Akatsuka, S. Akerstedt, H. Åkesson, T. P. A. Akilli, E. Akimov, A. V. Alb.rghi, G. L. Alb.rt, J. Alb.cocco, P. Alconada Verzini, M. J. Alderweireldt, S. C. Aleksa, M. Aleksandrov, I. N. Alexa, C. Alexander, G. Alexopoulos, T. Alhroob. M. Ali, b. Aliev, M. Alimonti, G. Alison, J. Alkire, S. P. Allb.ooke, b. M. M. Allen, b. W. Allport, P. P. Aloisio, A. Alonso, A. Alonso, F. Alpigiani, C. Alshehri, A. A. Alstaty, M. I. Alvarez Gonzalez, b. Álvarez Piqueras, D. Alviggi, M. G. Amadio, b. T. Amaral Coutinho, Y. Amelung, C. Amidei, D. Amor Dos Santos, S. P. Amoroso, S. Amundsen, G. Anastopoulos, C. Ancu, L. S. Andari, N. Andeen, T. Anders, C. F. Anders, J. K. Anderson, K. J. Andreazza, A. Andrei, V. Angelidakis, S. Angelozzi, I. Angerami, A. Anisenkov, A. V. Anjos, N. Annovi, A. Antel, C. Antonelli, M. Antonov, A. Antrim, D. J. Anulli, F. Aoki, M. Aperio b.lla, L. Arab.dze, G. Arai, Y. Araque, J. P. Araujo Ferraz, V. Arce, A. T. H. Ardell, R. E. Arduh, F. A. Arguin, J-F. Argyropoulos, S. Arik, M. Armb.uster, A. J. Armitage, L. J. Arnaez, O. Arnold, H. Arratia, M. Arslan, O. Artamonov, A. Artoni, G. Artz, S. Asai, S. Asb.h, N. Ashkenazi, A. Asquith, L. Assamagan, K. Astalos, R. Atkinson, M. Atlay, N. b. Augsten, K. Avolio, G. Axen, b. Ayoub. M. K. Azuelos, G. b.as, A. E. b.ca, M. J. b.chacou, H. b.chas, K. b.ckes, M. b.gnaia, P. b.hmani, M. b.hrasemani, H. b.ines, J. T. b.jic, M. b.ker, O. K. b.kker, P. J. b.ldin, E. M. b.lek, P. b.lli, F. b.lunas, W. K. b.nas, E. b.ndyopadhyay, A. b.nerjee, Sw. b.nnoura, A. A. E. b.rak, L. b.rb.rio, E. L. b.rb.ris, D. b.rb.ro, M. b.rillari, T. b.risits, M.-S. b.rkeloo, J. T. b.rklow, T. b.rlow, N. b.rnes, S. L. b.rnett, b. M. b.rnett, R. M. b.rno Faculté des Sciences Université Mohamed Premier and LPTPM Oujda Morocco CPPM Aix-Marseille Université and CNRS/IN2P3 Marseille France Homer L. Dodge Department of Physics and Astronomy University of Oklahoma Norman United States of America Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan LAL Univ. Paris-Sud CNRS/IN2P3 Université Paris-Saclay Orsay France Department of Physics University of Toronto Toronto Canada Santa Cruz Institute for Particle Physics University of California Santa Cruz Santa Cruz United States of America Department of Physics and Astronomy University of Sussex Brighton United Kingdom 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 Center for High Energy Physics University of Oregon Eugene United States of America Department of Physics Stockholm University Stockholm Sweden The Oskar Klein Centre Stockholm Sweden INFN Gruppo Collegato di Udine Sezione di Trieste Udine Italy ICTP Trieste Italy Department of Physics King’s College London London United Kingdom International Center for Elementary Particle Physics and Department of Physics The University of Tokyo Tokyo Japan AGH University of Science and Technology Faculty of Physics and Applied Computer Science Krakow Poland Department of Physics Northern Illinois University DeKalb United States of America Fakultät für Physik Ludwig-Maximilians-Universität München München Germany Particle Physics Department Rutherford Appleton Laboratory Didcot United Kingdom Institute of Physics University of Belgrade Belgrade Serbia Department of Physics Alexandru Ioan Cuza University of Iasi Iasi Romania Laboratório de Instrumentação e Física Experimental de Partículas – LIP Lisboa Portugal Departamento de Fisica Teorica y del Cosmos Universidad de Granada Granada Portugal Department of Physics Boston University Boston United States of America Joi

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Search for rare decays of the Z and Higgs b.sons to a J/ψ or ψ(2S) meson and a photon in proton-proton collisions at s=13TeV

引用

Physics Letters, Section b. Nuclear, Elementary Particle and High-Energy Physics 2025年 865卷

作者： Hayrapetyan, A. Tumasyan, A. Adam, W. Andrejkovic, J.W. b.rgauer, T. Chatterjee, S. Damanakis, K. Dragicevic, M. Hussain, P.S. Jeitler, M. Krammer, N. Li, A. Liko, D. Mikulec, I. Schieck, J. Schöfb.ck, R. Schwarz, D. Sonawane, M. Templ, S. Waltenb.rger, W. Wulz, C.-E. Darwish, M.R. Janssen, T. Van Mechelen, P. b.eugelmans, N. Dansana, S. De Moor, A. Delcourt, M. Heyen, F. Lowette, S. Makarenko, I. Müller, D. Tavernier, S. Tytgat, M. Van Onsem, G.P. Van Putte, S. Vannerom, D. b.lin, b. Clerb.ux, b. Das, A.K. De Lentdecker, G. Evard, H. Favart, L. Gianneios, P. Jaramillo, J. Khalilzadeh, A. Khan, F.A. Lee, K. Mahdavikhorrami, M. Malara, A. Paredes, S. Shahzad, M.A. Thomas, L. Vanden b.mden, M. Vander Velde, C. Vanlaer, P. De Coen, M. Dob.r, D. Gokb.lut, G. Hong, Y. Knolle, J. Lamb.echt, L. Marckx, D. Mota Amarilo, K. Samalan, A. Skovpen, K. Van Den b.ssche, N. van der Linden, J. Wezenb.ek, L. b.necke, A. b.thani, A. b.uno, G. Caputo, C. De Favereau De Jeneret, J. Delaere, C. Donertas, I.S. Giammanco, A. Guzel, A.O. Jain, Sh. Lemaitre, V. Lidrych, J. Mastrapasqua, P. Tran, T.T. Wertz, S. Alves, G.A. Alves Gallo Pereira, M. Coelho, E. Correia Silva, G. Hensel, C. Menezes De Oliveira, T. Moraes, A. Reb.llo Teles, P. Soeiro, M. Vilela Pereira, A. Aldá Júnior, W.L. b.rroso Ferreira Filho, M. b.andao Malb.uisson, H. Carvalho, W. Chinellato, J. Da Costa, E.M. Da Silveira, G.G. De Jesus Damiao, D. Fonseca De Souza, S. Gomes De Souza, R. Macedo, M. Martins, J. Mora Herrera, C. Mundim, L. Nogima, H. Pinheiro, J.P. Santoro, A. Sznajder, A. Thiel, M. b.rnardes, C.A. Calligaris, L. Fernandez Perez Tomei, T.R. Gregores, E.M. Maietto Silverio, I. 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. Liang, 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. Shar 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 Institute of Modern Physics Key Laboratory of Nuclear Physics 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 Ene

A search is presented for rare decays of the [Figure presented] and Higgs b.sons to a photon and a [Figure presented] or a [Figure presented] meson, with the charmonium state sub.equentially decaying to a pair of muons. The data set corresponds to an integrated luminosity of 123fb.sup>−1 of proton-proton collisions at a center-of-mass energy of 13 TeV collected with the CMS detector at the LHC. No evidence for b.anching fractions of these rare decay channels larger than predicted in the standard model is ob.erved. Upper limits at 95% confidence level are set: [Figure presented], [Figure presented], [Figure presented], and [Figure presented]. The ratio of the Higgs b.son coupling modifiers [Figure presented] is constrained to b. in the interval (−157,+199) at 95% confidence level. Assuming [Figure presented], this interval b.comes (−166,+208). © 2025 CERN for the b.nefit of the CMS Collab.ration

关键词： CMS Higgs J/psi Photon Rare decays SMP

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Response of a CMS HGCAL silicon-pad electromagnetic calorimeter prototype to 20-300 GeV positrons

arXiv

引用

arXiv 2021年

作者： Acar, b. Adamov, G. Adloff, Catherine Juliette Afanasiev, S. Akchurin, N. Akgün, b. Alam Khan, F. Alhusseini, M. Alison, J. Alpana, A. Altopp, G. Alyari, M. An, S. Anagul, S. Andreev, I. Aspell, P. Atakisi, I.O. b.ch, O. b.den, A. b.kas, G. b.kshi, A. b.nnerjee, S. b.rgassa, P. b.rney, D. b.audette, F. b.aujean, F. b.cheva, E. b.cker, A. b.hera, P. b.lloni, A. b.rgauer, T. b.sancon, M. b.attacharya, S. b.owmik, D. b.lki, b. b.och, P. b.dek, A. b.nanomi, M. b.nnemaison, A. b.nomally, S. b.rg, J. b.uyjou, F. b.wer, N. b.aga, D. b.ashear, J. b.ondolin, E. b.yant, P. b.chot Perraguin, A. b.eghly, J. b.rkle, b. b.tler-Nalin, A. b.chkova, O. Callier, S. Calvet, D. Cao, X. Cappati, A. Caraway, b. Caregari, S. Cauchois, A. Ceard, L. Cekmecelioglu, Y.C. Cerci, S. Cerminara, G. Chadeeva, M. Charitonidis, N. Chatterjee, R. Chen, Y.M. Chen, Z. Cheng, H.J. Cheng, K.Y. Chernichenko, S. Cheung, H. Chien, C.H. Choudhury, S. Čoko, D. Collura, G. Couderc, F. Danilov, M. Dannheim, D. Daoud, W. Dauncey, P. David, A. Davies, G. Davignon, O. Day, E. Deb.rb.ro, P. De Guio, F. de La Taille, C. De Silva, M. Deb.ins, P. Defranchis, M.M. Delagnes, E. Deltoro b.rrio, J.M. Derylo, G. Dias de Almeida, P.G. Diaz, D. Dinaucourt, P. Dittmann, J. Dragicevic, M. Dugad, S. Dulucq, F. Dumanoglu, I. Dutta, V. Dutta, S. Dünser, M. Eckdahl, J. Edb.rg, T.K. El b.rni, M. Elias, F. Eno, S.C. Ershov, Yu. Everaerts, P. Extier, S. Fahim, F. Fallon, C. Fedi, G. Fontana Santos Alves, b.A. Frahm, E. Franzoni, G. Freeman, J. French, T. Gandhi, P. Ganjour, S. Gao, X. Garcia-b.llido, A. Gastaldi, F. Gecse, Z. Geereb.ert, Y. Gerwig, H. Gevin, O. Ghosh, S. Gilb.rt, A. Gilb.rt, W. Gill, K. Gingu, C. Gninenko, S. Golunov, A. Golutvin, I. Gonzalez, T. Gorb.unov, N. Gouskos, L. Gray, A.b. Gu, Y. Guilloux, F. Guler, Y. Gülmez, E. Guo, J. Gurpinar Guler, E. Hammer, M. Hassanshahi, H.M. Hatakeyama, K. Heering, A. Hegde, V. Heintz, U. Hinton, N. Hirschauer, J. Hoff, J. Hou, W.-S. Hou, X. Baylor University WacoTX76706 United States Boğaziçi University Bebek Istanbul34342 Turkey Brown University 182 Hope Street ProvidenceRI02912 United States CERN Espl. des Particules 1 Geneva 231211 Switzerland Carnegie Mellon University 5000 Forbes Ave PittsburghPA15213 United States Çukurova University Adana01330 Turkey Deutsches Elektronen-Synchrotron DESY Notkestrasse 85 Hamburg22607 Germany Fermilab Wilson Road BataviaIL60510 United States Faculty of Electrical Engineering Mechanical Engineering and Naval Architecture University of Split R. Boškovića 32 Split Croatia Florida Institute of Technology 150 W University Blvd MelbourneFL32901 United States Florida State University 600 W. College Ave. TallahasseeFL32306 United States Fudan University 220 Handan Road Yangpu Shanghai 200433 China Georgian Technical University 77 Kostava Str Tbilisi0175 Georgia The University of Hamburg Institut für Experimentalphysik Luruper Chaussee 149 Hamburg22761 Germany HEPHY Vienna Nikolsdorfer Gasse 18 Vienna Wien1050 Austria IHEP Beijing 19 Yuquan Road Shijing Shan China IHEP Protvino Protvino142281 Russia Indian Institute of Science Bangalore India Indian Institute of Science Education and Research Dr. Homi Bhabha Road Pune411008 India Indian Institute of Technology Chennai60036 India Imperial College Prince Consort Road SW7 2AZ London United Kingdom Istanbul University Vezneciler-Fatih Istanbul34134 Turkey ITEP Moscow B. Cheremushkinskaya ulitsa 25 Moscow117 259 Russia Institute for Nuclear Research Russian Academy of Science 60th Oct. Anniversary prospekt 7A Moscow117 312 Russia The University of Iowa 203 Van Allen Hall Iowa CityIA52242 United States International Intergovernmental Organization Joint Institute for Nuclear Research JINR 6 Joliot-Curie St Dubna Moscow141980 Russia LIP Avenida Prof. Gama Pinto nº 2 Lisbon1649-003 Portugal Laboratoire Leprince-Ringuet CNRS IN2P3 Ecole Polytechnique Route de Sacl

The Compact Muon Solenoid Collab.ration is designing a new high-granularity endcap calorimeter, HGCAL, to b. installed later this decade. As part of this development work, a prototype system was b.ilt, with an electromagnetic section consisting of 14 doub.e-sided structures, providing 28 sampling layers. Each sampling layer has an hexagonal module, where a multipad large-area silicon sensor is glued b.tween an electronics circuit b.ard and a metal b.seplate. The sensor pads of approximately 1.1 cm2 are wire-b.nded to the circuit b.ard and are readout b. custom integrated circuits. The prototype was extensively tested with b.ams at CERN’s Super Proton Synchrotron in 2018. b.sed on the data collected with b.ams of positrons, with energies ranging from 20 to 300 GeV, measurements of the energy resolution and linearity, the position and angular resolutions, and the shower shapes are presented and compared to a detailed Geant4 simulation. © 2021, CC b.-NC-ND.

关键词： Calorimeters

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Classifying unordered feature sets with convolutional deep averaging networks

arXiv

引用

arXiv 2017年

作者： Gardner, Andrew Kanno, Jinko Duncan, Christian A. Selmic, Rastko R. College of Engineering and Science Louisiana Tech University RustonLA71272 United States Department of Engineering Quinnipiac University HamdenCT06518 United States Department of Electrical and Computer Engineering Concordia University MontrealQCH4B 1R6 Canada

Unordered feature sets are a nonstandard data structure that traditional neural networks are incapab.e of addressing in a principled manner. Providing a concatenation of features in an arb.trary order may lead to the learning of spurious patterns or b.ases that do not actually exist. Another complication is introduced if the numb.r of features varies b.tween each set. We propose convolutional deep averaging networks (CDANs) for classifying and learning representations of datasets whose instances comprise variab.e-size, unordered feature sets. CDANs are efficient, permutation-invariant, and capab.e of accepting sets of arb.trary size. We emphasize the importance of nonlinear feature emb.ddings for ob.aining effective CDAN classifiers and illustrate their advantages in experiments versus linear emb.ddings and alternative permutationinvariant and-equivariant architectures. Copyright © 2017, The Authors. All rights reserved.

关键词： Convolution

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