Search for annihilating dark matter in the Sun with 3 years of IceCube data

被引:141
作者
Aartsen, M. G. [2 ]
Ackermann, M. [56 ]
Adams, J. [18 ]
Aguilar, J. A. [13 ]
Ahlers, M. [33 ,34 ]
Ahrens, M. [46 ]
Altmann, D. [27 ]
Andeen, K. [36 ]
Anderson, T. [52 ]
Ansseau, I. [13 ]
Anton, G. [27 ]
Archinger, M. [35 ]
Arguelles, C. [15 ]
Auffenberg, J. [1 ]
Axani, S. [15 ]
Bai, X. [44 ]
Barwick, S. W. [30 ]
Baum, V. [35 ]
Bay, R. [8 ]
Beatty, J. J. [20 ,21 ,22 ]
Tjus, J. Becker [11 ]
Becker, K. -H. [55 ]
BenZvi, S. [53 ]
Berley, D. [19 ]
Bernardini, E. [56 ]
Bernhard, A. [38 ]
Besson, D. Z. [31 ]
Binder, G. [8 ]
Bindig, D. [55 ]
Bissok, M. [1 ]
Blaufuss, E. [19 ]
Blot, S. [56 ]
Bohm, C. [46 ]
Boerner, M. [24 ]
Bos, F. [11 ]
Bose, D. [48 ]
Boeser, S. [35 ]
Botner, O. [54 ]
Braun, J. [33 ,34 ]
Brayeur, L. [14 ]
Bretz, H. -P. [56 ]
Bron, S. [28 ]
Burgman, A. [54 ]
Carver, T. [28 ]
Casier, M. [14 ]
Cheung, E. [19 ]
Chirkin, D. [33 ,34 ]
Christov, A. [28 ]
Clark, K. [49 ]
Classen, L. [39 ]
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] 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, Dept Phys, Berkeley, CA 94720 USA
[9] 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, Phys Inst, Nussallee 12, 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] MIT, Dept Phys, Cambridge, MA 02139 USA
[16] Chiba Univ, Dept Phys, Chiba 2638522, Japan
[17] Chiba Univ, Inst Global Prominent Res, Chiba 2638522, Japan
[18] Univ Canterbury, Dept Phys & Astron, Private Bag 4800, Christchurch, New Zealand
[19] Univ Maryland, Dept Phys, College Pk, MD 20742 USA
[20] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA
[21] Ohio State Univ, Ctr Cosmol & Astro Particle Phys, Columbus, OH 43210 USA
[22] Ohio State Univ, Dept Astron, Columbus, OH 43210 USA
[23] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark
[24] TU Dortmund Univ, Dept Phys, D-44221 Dortmund, Germany
[25] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
[26] Univ Alberta, Dept Phys, Edmonton, AB T6G 2E1, Canada
[27] Friedrich Alexander Univ Erlangen Nurnberg, Erlangen Ctr Astroparticle Phys, D-91058 Erlangen, Germany
[28] Univ Geneva, Dept Phys Nucl & Corpusculaire, CH-1211 Geneva, Switzerland
[29] Univ Ghent, Dept Phys & Astron, B-9000 Ghent, Belgium
[30] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA
[31] Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA
[32] Univ Wisconsin, Dept Astron, Madison, WI 53706 USA
[33] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA
[34] Univ Wisconsin, Wisconsin IceCube Particle Astrophys Ctr, Madison, WI 53706 USA
[35] Johannes Gutenberg Univ Mainz, Inst Phys, Staudinger Weg 7, D-55099 Mainz, Germany
[36] Marquette Univ, Dept Phys, Milwaukee, WI 53201 USA
[37] Univ Mons, B-7000 Mons, Belgium
[38] Tech Univ Munich, Phys Dept, D-85748 Garching, Germany
[39] Westfal Wilhelms Univ Munster, Inst Kernphys, D-48149 Munster, Germany
[40] Univ Delaware, Bartol Res Inst, Dept Phys & Astron, Newark, DE 19716 USA
[41] Yale Univ, Dept Phys, New Haven, CT 06520 USA
[42] Univ Oxford, Dept Phys, 1 Keble Rd, Oxford OX1 3NP, England
[43] Drexel Univ, Dept Phys, 3141 Chestnut St, Philadelphia, PA 19104 USA
[44] South Dakota Sch Mines & Technol, Dept Phys, Rapid City, SD 57701 USA
[45] Univ Wisconsin, Dept Phys, River Falls, WI 54022 USA
[46] Stockholm Univ, Oskar Klein Ctr, Dept Phys, S-10691 Stockholm, Sweden
[47] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA
[48] Sungkyunkwan Univ, Dept Phys, Suwon 440746, South Korea
[49] Univ Toronto, Dept Phys, Toronto, ON M5S 1A7, Canada
[50] Univ Alabama, Dept Phys & Astron, Tuscaloosa, AL 35487 USA
来源
EUROPEAN PHYSICAL JOURNAL C | 2017年 / 77卷 / 03期
基金
美国国家科学基金会; 瑞典研究理事会; 新加坡国家研究基金会; 加拿大自然科学与工程研究理事会; 澳大利亚研究理事会; 瑞士国家科学基金会;
关键词
LIMITS; PERFORMANCE; CANDIDATES; CAPTURE;
D O I
10.1140/epjc/s10052-017-4689-9
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We present results from an analysis looking for darkmatter annihilation in the Sun with the IceCube neutrino telescope. Gravitationally trapped dark matter in the Sun's core can annihilate into Standard Model particles making the Sun a source of GeV neutrinos. IceCube is able to detect neutrinos with energies > 100 GeV while its low-energy infill array DeepCore extends this to >10GeV. This analysis uses data gathered in the austral winters between May 2011 and May 2014, corresponding to 532 days of livetime when the Sun, being below the horizon, is a source of up-going neutrino events, easiest to discriminate against the dominant background of atmospheric muons. The sensitivity is a factor of two to four better than previous searches due to additional statistics and improved analysis methods involving better background rejection and reconstructions. The resultant upper limits on the spin-dependent dark matter-proton scattering cross section reach down to 1.46 x 10(-5) pb for a dark matter particle of mass 500GeV annihilating exclusively into tau(+)tau(-) particles. These are currently the most stringent limits on the spin-dependent dark matter-proton scattering cross section for WIMP masses above 50GeV.
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页数:12
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