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Kim, Nam Young
지하실험 연구단
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Search for event bursts in XMASS-I associated with gravitational-wave events

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Title
Search for event bursts in XMASS-I associated with gravitational-wave events
Author(s)
Abe, K.; Hiraide, K.; Ichimura, K.; Kishimoto, Y.; Kobayashi, K.; Kobayashi, M.; Moriyama, S.; Nakahata, M.; Ogawa, H.; Sato, K.; Sekiya, H.; Suzuki, T.; Takeda, A.; Tasaka, S.; Yamashita, M.; Yang, B.S.; Kim, Nam Young; Kim, Yeongduk; Itow, Y.; Kanzawa, K.; Masuda, K.; Martens, K.; Suzuki, Y.; Xu, B.D.; Miuchi, K.; Oka, N.; Takeuchi, Y.; Kim, Yong Hamb; Lee, K.B.; Lee, M.K.; Fukuda, Y.; Miyasaka, M.; Nishijima, K.; Fushimi, K.; Kanzaki, G.; Nakamura, S.
Publication Date
2021-05
Journal
Astroparticle Physics, v.129, pp.1 - 7
Publisher
Elsevier BV
Abstract
We performed a search for event bursts in the XMASS-I detector associated with 11 gravitational-wave events detected during LIGO/Virgo's O1 and O2 periods. Simple and loose cuts were applied to the data collected in the full 832 kg xenon volume around the detection time of each gravitational-wave event. The data were divided into four energy regions ranging from keV to MeV. Without assuming any particular burst models, we looked for event bursts in sliding windows with various time width from 0.02 to 10 s. The search was conducted in a time window between −400 and +10,000 s from each gravitational-wave event. For the binary neutron star merger GW170817, no significant event burst was observed in the XMASS-I detector and we set 90% confidence level upper limits on neutrino fluence for the sum of all the neutrino flavors via coherent elastic neutrino-nucleus scattering. The obtained upper limit was (1.3–2.1)×1011 cm−2 under the assumption of a Fermi-Dirac spectrum with average neutrino energy of 20 MeV. The neutrino fluence limits for mono-energetic neutrinos in the energy range between 14 and 100 MeV were also calculated. Among the other 10 gravitational wave events detected as the binary black hole mergers, a burst candidate with a 3.0σ significance was found at 1801.95–1803.95 s in the analysis for GW151012. However, no significant deviation from the background in the reconstructed energy and position distributions was found. Considering the additional look-elsewhere effect of analyzing the 11 GW events, the significance of finding such a burst candidate associated with any of them is 2.1σ.
URI
https://pr.ibs.re.kr/handle/8788114/9249
DOI
10.1016/j.astropartphys.2021.102568
ISSN
0927-6505
Appears in Collections:
Center for Underground Physics(지하실험 연구단) > 1. Journal Papers (저널논문)
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