Search for Low-energy Electron Antineutrinos in KamLAND Associated with Gravitational Wave Events

Search for Low-energy Electron Antineutrinos in KamLAND Associated with Gravitational Wave Events

We present the results of a search for MeV-scale electron antineutrino events in KamLAND coincident with the 60 gravitational wave events/candidates reported by the LIGO/Virgo collaboration during their second and third observing runs. We find no significant coincident signals within a ±500 s timing...

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Veröffentlicht in:The Astrophysical journal 2021-03, Vol.909 (2), p.116
Hauptverfasser: Abe, S., Asami, S., Gando, A., Gando, Y., Gima, T., Goto, A., Hachiya, T., Hata, K., Hayashida, S., Hosokawa, K., Ichimura, K., Ieki, S., Ikeda, H., Inoue, K., Ishidoshiro, K., Kamei, Y., Kawada, N., Kishimoto, Y., Kinoshita, T., Koga, M., Maemura, N., Mitsui, T., Miyake, H., Nakamura, K., Nakamura, R., Ozaki, H., Sakai, T., Sambonsugi, H., Shimizu, I., Shirai, J., Shiraishi, K., Suzuki, A., Suzuki, Y., Takeuchi, A., Tamae, K., Ueshima, K., Wada, Y., Watanabe, H., Yoshida, Y., Obara, S., Kozlov, A., Chernyak, D., Takemoto, Y., Yoshida, S., Umehara, S., Fushimi, K., Ichikawa, A. K., Nakamura, K. Z., Yoshida, M., Berger, B. E., Fujikawa, B. K., Learned, J. G., Maricic, J., Axani, S. N., Winslow, L. A., Fu, Z., Ouellet, J., Efremenko, Y., Karwowski, H. J., Markoff, D. M., Tornow, W., Li, A., Detwiler, J. A., Enomoto, S., Decowski, M. P., Grant, C., O’Donnell, T., Dell’Oro, S.
Format: Artikel
Sprache:eng
Schlagworte:
Antineutrinos
ASTRONOMY AND ASTROPHYSICS
Astrophysics
Electrons
Fluence
Gravitational waves
Neutrino astronomy
Neutrinos
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Zusammenfassung:We present the results of a search for MeV-scale electron antineutrino events in KamLAND coincident with the 60 gravitational wave events/candidates reported by the LIGO/Virgo collaboration during their second and third observing runs. We find no significant coincident signals within a ±500 s timing window from each gravitational wave and present 90% C.L. upper limits on the electron antineutrino fluence between 10 8 and 10 13 cm −2 for neutrino energies in the energy range of 1.8–111 MeV.
ISSN:0004-637X
1538-4357
DOI:10.3847/1538-4357/abd5bc