arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2007.16046astro-ph.HEastro-ph.IMhep-exnucl-exphysics.ins-det
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在与引力波事件相关的XMASS-I中搜索事件爆发

Search for event bursts in XMASS-I associated with gravitational-wave events

XMASS Collaboration, K. Abe, K. Hiraide, K. Ichimura, Y. Kishimoto, K. Kobayashi, M. Kobayashi, S. Moriyama, M. Nakahata, H. Ogawa, K. Sato, H. Sekiya, T. Suzuk… 展开作者

XMASS Collaboration, K. Abe, K. Hiraide, K. Ichimura, Y. Kishimoto, K. Kobayashi, M. Kobayashi, S. Moriyama, M. Nakahata, H. Ogawa, K. Sato, H. Sekiya, T. Suzuki, A. Takeda, S. Tasaka, M. Yamashita, B. S. Yang, N. Y. Kim, Y. D. Kim, Y. Itow, K. Kanzawa, K. Masuda, K. Martens, Y. Suzuki, B. D. Xu, K. Miuchi, N. Oka, Y. Takeuchi, Y. H. Kim, K. B. Lee, M. K. Lee, Y. Fukuda, M. Miyasaka, K. Nishijima, K. Fushimi, G. Kanzaki, S. Nakamura

摘要:

我们在XMASS-I探测器中搜索了与LIGO/Virgo的O 1和O2期间探测到的11个引力波事件相关的事件爆发。在每个引力波事件的检测时间前后,对在完整的832公斤氙体积中收集的数据进行了简单而松散的切割。数据被分为四个能量范围从keV到MeV的区域。在不假设任何特定突发模型的情况下,我们在具有从0.02到10 s的各种时间宽度的滑动窗口中寻找事件突发。在每次引力波事件的$-$ 400和$+$ 10,000 s之间的时间窗内进行检索。对于双星中子星合并GW 170817,在XMASS-I探测器中没有观察到显著的事件爆发,并且我们通过相干弹性中微子-核散射设定了所有中微子味之和的中微子通量的90%置信水平上限。在假设中微子平均能量为20 MeV的费米-狄拉克谱的情况下,得到的上限为(1.3-2.1)$\times 10^{11}$ cm $^{-2}$。还计算了能量在14 - 100 MeV之间的单能中微子的注量极限。在其他10个被探测为双黑洞合并的引力波事件中,在对GW 151012的分析中,在1801.95-1803.95 s发现了一个具有3.0 $σ$显著性的爆发候选者。然而,在重建的能量和位置分布中没有发现与背景的显著偏差。考虑到分析11 GW事件的附加的看别处效应,找到与它们中的任何一个相关联的这样的突发候选者的意义是2.1 $σ$。

英文摘要:

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 $+$10,000 s from each gravitational-wave event. For the binary neutron star merger GW170817, no significant event burst was observed in the XMASS-I detector and we set 90% confidence level upper limits on neutrino fluence for the sum of all the neutrino flavors via coherent elastic neutrino-nucleus scattering. The obtained upper limit was (1.3-2.1)$\times 10^{11}$ 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 3.0$σ$ 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 2.1$σ$.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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