Search for astrophysical tau neutrinos in three years of IceCube data

被引：51

作者：

Aartsen, M. G. ^{[2
]}

Abraham, K. ^{[35
]}

Ackermann, M. ^{[53
]}

Adams, J. ^{[16
]}

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

Ahlers, M. ^{[31
,32
]}

Ahrens, M. ^{[43
,44
]}

Altmann, D. ^{[25
]}

Anderson, T. ^{[50
]}

Ansseau, I. ^{[13
]}

Archinger, M. ^{[33
]}

Arguelles, C. ^{[31
,32
]}

Arlen, T. C. ^{[50
]}

Auffenberg, J. ^{[1
]}

Bai, X. ^{[41
]}

Barwick, S. W. ^{[28
]}

Baum, V. ^{[33
]}

Bay, R. ^{[8
]}

Beatty, J. J. ^{[18
,19
,20
]}

Tjus, J. Becker ^{[11
]}

Becker, K. -H. ^{[52
]}

Beiser, E. ^{[31
,32
]}

BenZvi, S. ^{[31
,32
]}

Berghaus, P. ^{[53
]}

Berley, D. ^{[17
]}

Bernardini, E. ^{[53
]}

Bernhard, A. ^{[17
,35
]}

Besson, D. Z. ^{[29
]}

Binder, G. ^{[8
,9
]}

Bindig, D. ^{[52
]}

Bissok, M. ^{[1
]}

Blaufuss, E. ^{[17
]}

Blumenthal, J. ^{[1
]}

Boersma, D. J. ^{[51
]}

Bohm, C. ^{[43
,44
]}

Boerner, M. ^{[22
]}

Bos, F. ^{[11
]}

Bose, D. ^{[46
]}

Boeser, S. ^{[33
]}

Botner, O. ^{[51
]}

Braun, J. ^{[31
,32
]}

Brayeur, L. ^{[34
]}

Bretz, H. -P. ^{[53
]}

Buzinsky, N. ^{[24
]}

Casey, J. ^{[5
,6
]}

Casier, M. ^{[14
]}

Cheung, E. ^{[17
]}

Chirkin, D. ^{[31
,32
]}

Christov, A. ^{[26
]}

Clark, K. ^{[47
]}

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, Anchorage, AK 99508 USA

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

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

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

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

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

[9] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

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

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

[12] Univ Bonn, Inst Phys, D-53115 Bonn, Germany

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

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

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

[16] Univ Canterbury, Dept Phys & Astron, Christchurch 1, New Zealand

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

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

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

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

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

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

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

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

[25] Univ Erlangen Nurnberg, Erlangen Ctr Astroparticle Phys, D-91058 Erlangen, Germany

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

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

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

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

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

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

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

[33] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany

[34] Univ Mons, B-7000 Mons, Belgium

[35] Tech Univ Munich, D-85748 Garching, Germany

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

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

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

[39] Univ Oxford, Dept Phys, Oxford OX1 3NP, England

[40] Drexel Univ, Dept Phys, Philadelphia, PA 19104 USA

[41] South Dakota Sch Mines & Technol, Dept Phys, Rapid City, SD 57701 USA

[42] Univ Wisconsin, Dept Phys, River Falls, WI 54022 USA

[43] Stockholm Univ, Oskar Klein Ctr, SE-10691 Stockholm, Sweden

[44] Stockholm Univ, Dept Phys, SE-10691 Stockholm, Sweden

[45] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA

[46] Sungkyunkwan Univ, Dept Phys, Suwon 440746, South Korea

[47] Univ Toronto, Dept Phys, Toronto, ON M5S 1A7, Canada

[48] Univ Alabama, Dept Phys & Astron, Tuscaloosa, AL 35487 USA

[49] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA

[50] Penn State Univ, Dept Phys, University Pk, PA 16802 USA

来源：

PHYSICAL REVIEW D | 2016年 / 93卷 / 02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; 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：

ANTINEUTRINOS; OSCILLATIONS; SYSTEM;

D O I：

10.1103/PhysRevD.93.022001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The IceCube Neutrino Observatory has observed a diffuse flux of TeV-PeVastrophysical neutrinos at 5.7 sigma significance from an all-flavor search. The direct detection of tau neutrinos in this flux has yet to occur. Tau neutrinos become distinguishable from other flavors in IceCube at energies above a few hundred TeV, when the cascade from the tau neutrino charged current interaction becomes resolvable from the cascade from the tau lepton decay. This paper presents results from the first dedicated search for tau neutrinos with energies between 214 TeV and 72 PeV in the full IceCube detector. The analysis searches for IceCube optical sensors that observe two separate pulses in a single event-one from the tau neutrino interaction and a second from the tau decay. No candidate events were observed in three years of IceCube data. For the first time, a differential upper limit on astrophysical tau neutrinos is derived around the PeV energy region, which is nearly 3 orders of magnitude lower in energy than previous limits from dedicated tau neutrino searches.

引用

页数：11

共 50 条

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