Search for neutrinos in Super-Kamiokande associated with gravitational-wave events GW150914 and GW151226
Entity
UAM. Departamento de Física TeóricaPublisher
Institute of Physics PublishingDate
2016-10-06Citation
10.3847/2041-8205/830/1/L11
Astrophysical Journal Letters 830.1 (2016): L11
ISSN
2041-8205 (print); 2041-8213 (online)DOI
10.3847/2041-8205/830/1/L11Funded by
The Super-Kamiokande experiment has been built and operated from funding by the Japanese Ministry of Education, Culture, Sports, Science and Technology, the U.S. Department of Energy, and the U.S. National Science Foundation. Some of us have been supported by funds from the Korean Research Foundation (BK21 and KNRC), the National Research Foundation of Korea (NRF-20110024009), the European Union (H2020 RISE-GA641540-SKPLUS), the Japan Society for the Promotion of Science, the National Natural Science Foundation of China under grant No. 11235006, and the Scinet and Westgrid consortia of Compute CanadaProject
info:eu-repo/grantAgreement/EC/H2020/641540/EU//SKPLUSEditor's Version
http://dx.doi.org/10.3847/2041-8205/830/1/L11Subjects
Astroparticle physics; Gravitational waves; Neutrinos; FísicaNote
Astrophysical Journal Letters 830.1 (2016): L11 reproduced by permission of the AASRights
© 2016. The American Astronomical SocietyAbstract
We report the results from a search in Super-Kamiokande for neutrino signals coincident with the first detected gravitational-wave events, GW150914 and GW151226, as well as LVT151012, using a neutrino energy range from 3.5 MeV to 100 PeV. We searched for coincident neutrino events within a time window of ±500 s around the gravitational-wave detection time. Four neutrino candidates are found for GW150914, and no candidates are found for GW151226. The remaining neutrino candidates are consistent with the expected background events. We calculated the 90% confidence level upper limits on the combined neutrino fluence for both gravitational-wave events, which depends on event energy and topologies. Considering the upward-going muon data set (1.6 GeV-100 PeV), the neutrino fluence limit for each gravitational-wave event is 14-37 (19-50) cm-2 for muon neutrinos (muon antineutrinos), depending on the zenith angle of the event. In the other data sets, the combined fluence limits for both gravitational-wave events range from 2.4 ×104 to 7.0 ×109 cm-2
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Google Scholar:Abe, K.
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Labarga Echeverría, Luis Alfonso
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Fernandez, P.
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The Super-Kamiokande Collaboration
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