Search for Unstable Sterile Neutrinos with the IceCube Neutrino Observatory

被引：5

作者：

Abbasi, R. ^{[20
]}

Ackermann, M. ^{[68
]}

Adams, J. ^{[21
]}

Aguilar, J. A. ^{[13
]}

Ahlers, M. ^{[26
]}

Ahrens, M. ^{[57
,58
]}

Alameddine, J. M. ^{[27
]}

Alves, A. A., Jr. ^{[35
]}

Amin, N. M. ^{[48
,49
]}

Andeen, K. ^{[46
]}

Anderson, T. ^{[65
]}

Anton, G. ^{[30
]}

Arguelles, C. ^{[15
,16
]}

Ashida, Y. ^{[43
,44
]}

Axani, S. ^{[17
]}

Bai, X. ^{[53
]}

Balagopal, A., V ^{[43
,44
]}

Barwick, S. W. ^{[34
]}

Bastian, B. ^{[68
]}

Basu, V ^{[43
,44
]}

Baur, S. ^{[13
]}

Bay, R. ^{[9
]}

Beatty, J. J. ^{[23
,24
,25
]}

Becker, K-H ^{[67
]}

Tjus, J. Becker ^{[12
]}

Beise, J. ^{[66
]}

Bellenghi, C. ^{[31
]}

Benda, S. ^{[43
,44
]}

BenZvi, S. ^{[55
]}

Berley, D. ^{[22
]}

Bernardini, E. ^{[68
,69
]}

Besson, D. Z. ^{[38
]}

Binder, G. ^{[9
,10
]}

Bindig, D. ^{[67
]}

Blaufuss, E. ^{[22
]}

Blot, S. ^{[68
]}

Boddenberg, M. ^{[1
]}

Bontempo, F. ^{[35
]}

Book, J. Y. ^{[15
,16
]}

Borowka, J. ^{[1
]}

Boeser, S. ^{[45
]}

Botner, O. ^{[66
]}

Boettcher, J. ^{[1
]}

Bourbeau, E. ^{[26
]}

Bradascio, F. ^{[68
]}

Braun, J. ^{[43
,44
]}

Brinson, B. ^{[6
,7
]}

Bron, S. ^{[32
]}

Brostean-Kaiser, J. ^{[68
]}

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

机构：

[1] Rhein Westfal TH Aachen, Phys Inst 3, D-52056 Aachen, Germany

[2] Univ Adelaide, Dept Phys, Adelaide, SA 5005, Australia

[3] Univ Alaska Anchorage, Dept Phys & Astron, 3211 Providence Dr, Anchorage, AK 99508 USA

[4] Univ Texas Arlington, Dept Phys, 502 Yates St,Sci Hall Rm 108,Box 19059, Arlington, TX 76019 USA

[5] Clark Atlanta Univ, CTSPS, Atlanta, GA 30314 USA

[6] Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA

[7] Georgia Inst Technol, Ctr Relativist Astrophys, Atlanta, GA 30332 USA

[8] Southern Univ, Dept Phys, Baton Rouge, LA 70813 USA

[9] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[10] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[11] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany

[12] Ruhr Univ Bochum, Fak Phys & Astron, D-44780 Bochum, Germany

[13] Univ Libre Bruxelles, Sci Fac, CP230, B-1050 Brussels, Belgium

[14] Vrije Univ Brussel VUB, Dienst ELEM, B-1050 Brussels, Belgium

[15] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA

[16] Harvard Univ, Lab Particle Phys & Cosmol, Cambridge, MA 02138 USA

[17] MIT, Dept Phys, Cambridge, MA 02139 USA

[18] Chiba Univ, Dept Phys, Chiba 2638522, Japan

[19] Chiba Univ, Int Ctr Hadron Astrophys, Chiba 2638522, Japan

[20] Loyola Univ Chicago, Dept Phys, Chicago, IL 60660 USA

[21] Univ Canterbury, Dept Phys & Astron, Private Bag 4800, Christchurch, New Zealand

[22] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[23] Ohio State Univ, Dept Astron, Columbus, OH 43210 USA

[24] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA

[25] Ohio State Univ, Ctr Cosmol & Astroparticle Phys, Columbus, OH 43210 USA

[26] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark

[27] TU Dortmund Univ, Dept Phys, D-44221 Dortmund, Germany

[28] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA

[29] Univ Alberta, Dept Phys, Edmonton, AB T6G 2E1, Canada

[30] Friedrich Alexander Univ Erlangen Nurnberg, Erlangen Ctr Astroparticle Phys, D-91058 Erlangen, Germany

[31] Tech Univ Munich, Phys Dept, D-85748 Garching, Germany

[32] Univ Geneva, Dept Phys Nucl & Corpusculaire, CH-1211 Geneva, Switzerland

[33] Univ Ghent, Dept Phys & Astron, B-9000 Ghent, Belgium

[34] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA

[35] Karlsruhe Inst Technol, Inst Astroparticle Phys, D-76021 Karlsruhe, Germany

[36] Karlsruhe Inst Technol, Inst Expt Particle Phys, D-76021 Karlsruhe, Germany

[37] Queens Univ, Dept Phys Engn Phys & Astron, Kingston, ON K7L 3N6, Canada

[38] Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA

[39] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA

[40] Catholic Univ Louvain, Ctr Cosmol Particle Phys & Phenomenol CP3, B-1348 Louvain La Neuve, Belgium

[41] Mercer Univ, Dept Phys, Macon, GA 31207 USA

[42] Univ Wisconsin, Dept Astron, Madison, WI 53706 USA

[43] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA

[44] Univ Wisconsin, Wisconsin IceCube Particle Astrophys Ctr, Madison, WI 53706 USA

[45] Johannes Gutenberg Univ Mainz, Inst Phys, Staudinger Weg 7, D-55099 Mainz, Germany

[46] Marquette Univ, Dept Phys, Milwaukee, WI 53201 USA

[47] Westfalisch Wilhelms Unive Munster, Inst Kernphys, D-48149 Munster, Germany

[48] Univ Delaware, Bartol Res Inst, Newark, DE 19716 USA

[49] Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA

[50] Yale Univ, Dept Phys, New Haven, CT 06520 USA

来源：

PHYSICAL REVIEW LETTERS | 2022年 / 129卷 / 15期

基金：

加拿大自然科学与工程研究理事会; 美国国家科学基金会; 加拿大创新基金会; 新加坡国家研究基金会; 瑞典研究理事会; 瑞士国家科学基金会; 澳大利亚研究理事会;

关键词：

CONVERSION; SPECTRUM;

D O I：

10.1103/PhysRevLett.129.151801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a search for an unstable sterile neutrino by looking for a resonant signal in eight years of atmospheric mu(mu) data collected from 2011 to 2019 at the IceCube Neutrino Observatory. Both the (stable) three-neutrino and the 3 + 1 sterile neutrino models are disfavored relative to the unstable sterile neutrino model, though with p values of 2.8% and 0.81%, respectively, we do not observe evidence for 3 + 1 neutrinos with neutrino decay. The best-fit parameters for the sterile neutrino with decay model from this study are Delta m(2) (41) = 6.7(-2.5)(+3.9) eV(2), sin(2)2 theta(24) = 0.33(-0.17)(+0.20), and g(2)=2.5 pi +/- 1.5 pi, where g is the decaymediating coupling. The preferred regions of the 3 thorn 1 thorn decay model from short-baseline oscillation searches are excluded at 90% C.L.

引用

页数：9

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