A Search for IceCube Events in the Direction of ANITA Neutrino Candidates

被引:16
作者
Aartsen, M. G. [1 ]
Ackermann, M. [2 ]
Adams, J. [1 ]
Aguilar, J. A. [3 ]
Ahlers, M. [4 ]
Ahrens, M. [5 ,6 ]
Alispach, C. [7 ]
Andeen, K. [8 ]
Anderson, T. [9 ]
Ansseau, I. [3 ]
Anton, G. [10 ]
Arguelles, C. [11 ]
Auffenberg, J. [12 ]
Axani, S. [11 ]
Backes, P. [12 ]
Bagherpour, H. [1 ]
Bai, X. [13 ]
Balagopal, A., V [11 ,14 ,44 ]
Barbano, A. [7 ]
Barwick, S. W. [15 ]
Bastian, B. [2 ]
Baum, V. [16 ]
Baur, S. [3 ]
Bay, R. [17 ]
Beatty, J. J. [18 ,19 ,20 ]
Becker, K. -H. [21 ]
Tjus, J. Becker [22 ]
BenZvi, S. [23 ]
Berley, D. [24 ]
Bernardini, E. [2 ]
Besson, D. Z. [25 ]
Binder, G. [17 ,26 ]
Bindig, D. [21 ]
Blaufuss, E. [24 ]
Blot, S. [2 ]
Bohm, C. [5 ,6 ]
Boser, S. [16 ]
Botner, O. [27 ]
Bottcher, J. [12 ]
Bourbeau, E. [4 ]
Bourbeau, J. [28 ,29 ]
Bradascio, F. [2 ]
Braun, J. [28 ,29 ]
Bron, S. [7 ]
Brostean-Kaiser, J. [2 ]
Burgman, A. [27 ]
Buscher, J. [12 ]
Busse, R. S. [30 ]
Carver, T. [7 ]
Chen, C. [31 ,32 ]
机构
[1] Univ Canterbury, Dept Phys & Astron, Private Bag 4800, Christchurch, New Zealand
[2] DESY, D-15738 Zeuthen, Germany
[3] Univ Libre Bruxelles, Fac Sci, CP230, B-1050 Brussels, Belgium
[4] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark
[5] Stockholm Univ, Oskar Klein Ctr, SE-10691 Stockholm, Sweden
[6] Stockholm Univ, Dept Phys, SE-10691 Stockholm, Sweden
[7] Univ Geneva, Dept Phys Nucl & Corpusculaire, CH-1211 Geneva, Switzerland
[8] Marquette Univ, Dept Phys, Milwaukee, WI 53201 USA
[9] Penn State Univ, Dept Phys, 104 Davey Lab, University Pk, PA 16802 USA
[10] Friedrich Alexander Univ Erlangen Nurnberg, Erlangen Ctr Astroparticle Phys, D-91058 Erlangen, Germany
[11] MIT, Dept Phys, Cambridge, MA 02139 USA
[12] Rhein Westfal TH Aachen, Phys Inst 3, D-52056 Aachen, Germany
[13] South Dakota Sch Mines & Technol, Dept Phys, Rapid City, SD 57701 USA
[14] Karlsruhe Inst Technol, Inst Kernphys, D-76021 Karlsruhe, Germany
[15] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA
[16] Johannes Gutenberg Univ Mainz, Inst Phys, Staudinger Weg 7, D-55099 Mainz, Germany
[17] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA
[18] Ohio State Univ, Dept Astron, 174 W 18Th Ave, Columbus, OH 43210 USA
[19] Ohio State Univ, Dept Phys, 174 W 18th Ave, Columbus, OH 43210 USA
[20] Ohio State Univ, Ctr Cosmol & Astroparticle Phys, Columbus, OH 43210 USA
[21] Univ Wuppertal, Dept Phys, D-42119 Wuppertal, Germany
[22] Ruhr Univ Bochum, Fak Phys & Astron, D-44780 Bochum, Germany
[23] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
[24] Univ Maryland, Dept Phys, College Pk, MD 20742 USA
[25] Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA
[26] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[27] Uppsala Univ, Dept Phys & Astron, Box 516, SE-75120 Uppsala, Sweden
[28] Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA
[29] Univ Wisconsin, Wisconsin IceCube Particle Astrophys Ctr, Madison, WI 53706 USA
[30] Westfalische Wilhelms Univ Munster, Inst Kernphys, D-48149 Munster, Germany
[31] Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA
[32] Georgia Inst Technol, Ctr Relativist Astrophys, Atlanta, GA 30332 USA
[33] Sungkyunkwan Univ, Dept Phys, Suwon 16419, South Korea
[34] SNOLAB, 1039 Reg Rd 24,Creighton Mine 9, Lively, ON P3Y 1N2, Canada
[35] Univ Delaware, Bartol Res Inst, Newark, DE 19716 USA
[36] Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA
[37] Vrije Univ Brussel VUB, Dienst ELEM, B-1050 Brussels, Belgium
[38] Penn State Univ, Dept Astron & Astrophys, 525 Davey Lab, University Pk, PA 16802 USA
[39] Univ Ghent, Dept Phys & Astron, B-9000 Ghent, Belgium
[40] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany
[41] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
[42] Southern Univ, Dept Phys, Baton Rouge, LA 70813 USA
[43] Univ Wisconsin, Dept Astron, Madison, WI 53706 USA
[44] Tech Univ Munich, Dept Phys, D-85748 Garching, Germany
[45] Univ Alberta, Dept Phys, Edmonton, AB T6G 2E1, Canada
[46] Univ Adelaide, Dept Phys, Adelaide, SA 5005, Australia
[47] TU Dortmund, Dept Phys, D-44221 Dortmund, Germany
[48] Chiba Univ, Dept Phys, Chiba 2638522, Japan
[49] Chiba Univ, Inst Global Prominent Res, Chiba 2638522, Japan
[50] Clark Atlanta Univ, CTSPS, Atlanta, GA 30314 USA
基金
瑞士国家科学基金会; 加拿大自然科学与工程研究理事会; 瑞典研究理事会; 新加坡国家研究基金会; 澳大利亚研究理事会; 美国国家科学基金会; 加拿大创新基金会;
关键词
TRACK RECONSTRUCTION;
D O I
10.3847/1538-4357/ab791d
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
During the first three flights of the Antarctic Impulsive Transient Antenna (ANITA) experiment, the collaboration detected several neutrino candidates. Two of these candidate events were consistent with an ultra-high-energy upgoing air shower and compatible with a tau neutrino interpretation. A third neutrino candidate event was detected in a search for Askaryan radiation in the Antarctic ice, although it is also consistent with the background expectation. The inferred emergence angle of the first two events is in tension with IceCube and ANITA limits on isotropic cosmogenic neutrino fluxes. Here we test the hypothesis that these events are astrophysical in origin, possibly caused by a point source in the reconstructed direction. Given that any ultra-high-energy tau neutrino flux traversing the Earth should be accompanied by a secondary flux in the TeV-PeV range, we search for these secondary counterparts in 7 yr of IceCube data using three complementary approaches. In the absence of any significant detection, we set upper limits on the neutrino flux from potential point sources. We compare these limits to ANITA's sensitivity in the same direction and show that an astrophysical explanation of these anomalous events under standard model assumptions is severely constrained regardless of source spectrum.
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页数:11
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