Search for tens of MeV neutrinos associated with gamma-ray bursts in Super-Kamiokande

Super-Kamiokande Collaboration

研究成果: Article査読

2 被引用数 (Scopus)

抄録

A search for neutrinos produced in coincidence with gamma-ray bursts (GRBs) was conducted with the Super-Kamiokande (SK) detector. Between December 2008 and March 2017, the Gamma-ray Coordinates Network recorded 2208 GRBs that occurred during normal SK operation. Several time windows around each GRB were used to search for coincident neutrino events. No statistically significant signal in excess of the estimated backgrounds was detected. The νe fluence in the range from 8 MeV to 100 MeV in positron total energy for νe+p → e++n was found to be less than 5.07 × 105 cm-2 per GRB at a 90% confidence level. For all GRBs, upper bounds were obtained on the fluence as a function of neutrino energy. Additionally, for GRBs at known distances, upper limits were set for the neutrino energy emission at the GRB.

本文言語English
論文番号103F01
ジャーナルProgress of Theoretical and Experimental Physics
2021
10
DOI
出版ステータスPublished - 2021 10月 1

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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