Search for an eV-Scale Sterile Neutrino Using Improved High-Energy νμ Event Reconstruction in IceCube

被引：0

作者：

Abbasi, R. ^{[17
]}

Ackermann, M. ^{[65
]}

Adams, J. ^{[18
]}

Agarwalla, S.K. ^{[40
,66
]}

Aguilar, J.A. ^{[12
]}

Ahlers, M. ^{[22
]}

Alameddine, J.M. ^{[23
]}

Amin, N.M. ^{[44
]}

Andeen, K. ^{[42
]}

Argüelles, C. ^{[14
]}

Ashida, Y. ^{[53
]}

Athanasiadou, S. ^{[65
]}

Ausborm, L. ^{[1
]}

Axani, S.N. ^{[44
]}

Bai, X. ^{[50
]}

Balagopal, V.A. ^{[40
]}

Baricevic, M. ^{[40
]}

Barwick, S.W. ^{[30
]}

Bash, S. ^{[27
]}

Basu, V. ^{[40
]}

Bay, R. ^{[8
]}

Beatty, J.J. ^{[20
,21
]}

Becker Tjus, J. ^{[11
,67
]}

Beise, J. ^{[63
]}

Bellenghi, C. ^{[27
]}

Benning, C. ^{[1
]}

Benzvi, S. ^{[52
]}

Berley, D. ^{[19
]}

Bernardini, E. ^{[48
]}

Besson, D.Z. ^{[36
]}

Blaufuss, E. ^{[19
]}

Bloom, L. ^{[60
]}

Blot, S. ^{[65
]}

Bontempo, F. ^{[31
]}

Book Motzkin, J.Y. ^{[14
]}

Boscolo Meneguolo, C. ^{[48
]}

Böser, S. ^{[41
]}

Botner, O. ^{[63
]}

Böttcher, J. ^{[1
]}

Braun, J. ^{[40
]}

Brinson, B. ^{[6
]}

Brostean-Kaiser, J. ^{[65
]}

Brusa, L. ^{[1
]}

Burley, R.T. ^{[2
]}

Butterfield, D. ^{[40
]}

Campana, M.A. ^{[49
]}

Caracas, I. ^{[41
]}

Carloni, K. ^{[14
]}

Carpio, J. ^{[34
,35
]}

Chattopadhyay, S. ^{[40
,66
]}

机构：

[1] III. Physikalisches Institut, RWTH Aachen University, Aachen,D-52056, Germany

[2] Department of Physics, University of Adelaide, Adelaide,5005, Australia

[3] Department of Physics and Astronomy, University of Alaska Anchorage, 3211 Providence Drive, Anchorage,AK,99508, United States

[4] Department of Physics, University of Texas at Arlington, 502 Yates Street, Science Hall Rm 108, Box 19059, Arlington,TX,76019, United States

[5] CTSPS, Clark-Atlanta University, Atlanta,GA,30314, United States

[6] School of Physics, Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta,GA,30332, United States

[7] Department of Physics, Southern University, Baton Rouge,LA,70813, United States

[8] Department of Physics, University of California, Berkeley,CA,94720, United States

[9] Lawrence Berkeley National Laboratory, Berkeley,CA,94720, United States

[10] Institut für Physik, Humboldt-Universität zu Berlin, Berlin,D-12489, Germany

[11] Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, Bochum,D-44780, Germany

[12] Université Libre de Bruxelles, Science Faculty CP230, Brussels,B-1050, Belgium

[13] Vrije Universiteit Brussel (VUB), Dienst ELEM, Brussels,B-1050, Belgium

[14] Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge,MA,02138, United States

[15] Department of Physics, Massachusetts Institute of Technology, Cambridge,MA,02139, United States

[16] Department of Physics, The International Center for Hadron Astrophysics, Chiba University, Chiba,263-8522, Japan

[17] Department of Physics, Loyola University Chicago, Chicago,IL,60660, United States

[18] Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand

[19] Department of Physics, University of Maryland, College Park,MD,20742, United States

[20] Department of Astronomy, Ohio State University, Columbus,OH,43210, United States

[21] Department of Physics, Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus,OH,43210, United States

[22] Niels Bohr Institute, University of Copenhagen, Copenhagen,DK-2100, Denmark

[23] Department of Physics, TU Dortmund University, Dortmund,D-44221, Germany

[24] Department of Physics and Astronomy, Michigan State University, East Lansing,MI,48824, United States

[25] Department of Physics, University of Alberta, Edmonton,AB,T6G 2E1, Canada

[26] Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen,D-91058, Germany

[27] Physik-department, Technische Universität München, Garching,D-85748, Germany

[28] Département de Physique Nucléaire et Corpusculaire, Université de Genève, Genève,CH-1211, Switzerland

[29] Department of Physics and Astronomy, University of Gent, Gent,B-9000, Belgium

[30] Department of Physics and Astronomy, University of California, Irvine,CA,92697, United States

[31] Karlsruhe Institute of Technology, Institute for Astroparticle Physics, Karlsruhe,D-76021, Germany

[32] Karlsruhe Institute of Technology, Institute of Experimental Particle Physics, Karlsruhe,D-76021, Germany

[33] Department of Physics, Engineering Physics, and Astronomy, Queen's University, Kingston,ON,K7L 3N6, Canada

[34] Department of Physics and Astronomy, University of Nevada, Las Vegas,NV,89154, United States

[35] Nevada Center for Astrophysics, University of Nevada, Las Vegas,NV,89154, United States

[36] Department of Physics and Astronomy, University of Kansas, Lawrence,KS,66045, United States

[37] Centre for Cosmology, Particle Physics and Phenomenology - CP3, Université Catholique de Louvain, Louvain-la-Neuve, Belgium

[38] Department of Physics, Mercer University, Macon,GA,31207-0001, United States

[39] Department of Astronomy, University of Wisconsin Ͽ Madison, Madison,WI,53706, United States

[40] Department of Physics, Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin Ͽ Madison, Madison,WI,53706, United States

[41] Institute of Physics, University of Mainz, Staudinger Weg 7, Mainz,D-55099, Germany

[42] Department of Physics, Marquette University, Milwaukee,WI,53201, United States

[43] Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, Münster,D-48149, Germany

[44] Bartol Research Institute, Department of Physics and Astronomy, University of Delaware, Newark,DE,19716, United States

[45] Department of Physics, Yale University, New Haven,CT,06520, United States

[46] Columbia Astrophysics and Nevis Laboratories, Columbia University, New York,NY,10027, United States

[47] Department of Physics, University of Oxford, Parks Road, Oxford,OX1 3PU, United Kingdom

[48] Dipartimento di Fisica e Astronomia Galileo Galilei, Università Degli Studi di Padova, PD, Padova,I-35122, Italy

[49] Department of Physics, Drexel University, 3141 Chestnut Street, Philadelphia,PA,19104, United States

[50] Physics Department, South Dakota School of Mines and Technology, Rapid City,SD,57701, United States

来源：

Physical Review Letters | 2024年 / 133卷 / 20期

关键词：

This Letter presents the result of a 3+1 sterile neutrino search using 10.7 yr of IceCube data. We analyze atmospheric muon neutrinos that traverse the Earth with energies ranging from 0.5 to 100 TeV; incorporating significant improvements in modeling neutrino flux and detector response compared to earlier studies. Notably; for the first time; we categorize data into starting and throughgoing events; distinguishing neutrino interactions with vertices inside or outside the instrumented volume; to improve energy resolution. The best-fit point for a 3+1 model is found to be at sin2(2θ24)=0.16 and Δm412=3.5 eV2; which agrees with previous iterations of this Letter. The result is consistent with the null hypothesis of no sterile neutrinos with a p value of 3.1%. © 2024 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the https://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title; journal citation; and DOI. Funded by SCOAP3;

D O I：

10.1103/PhysRevLett.133.201804

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