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The sensitivity to electron antineutrinos from the binary neutron star systems at medium-baseline reactor neutrino oscillation experiment(s)
Journal of High Energy Astrophysics ( IF 10.2 ) Pub Date : 2020-10-29 , DOI: 10.1016/j.jheap.2020.10.001
Zhaokan Cheng , Wei Wang , Chan Fai Wong , Jingbo Zhang

After gravitational wave (GW) transients were first observed in 2015, searching for the coincident neutrinos has become one of the most important missions at the current neutrino experiments. Particularly, the coincident searches draw more and more attentions after one GW candidate (denoted GW170817) was detected, which was the first sign of a production of a binary neutron star (BNS) merger. However, no candidate neutrinos have been found yet. As a prospective study, this article presents a search for the potential electron antineutrinos (ν¯e) from BNS mergers in future medium-baseline reactor neutrino oscillation (MBRO) experiment(s). On one hand, we examine the detection sensitivity to the ν¯e signals from BNS mergers at future MBRO experiment(s). On the other hand, we convert the ν¯e signal sensitivity to the ν¯e fluence upper limits and evaluate the furthest detectable distances for BNS mergers based on the evolution models describing the process of neutrino emission. Moreover, we also analyze the improvement of sensitivity and the enhancement of detectable distance with a proposed extra detector at future MBRO experiment(s).



中文翻译:

中基线反应堆中微子振荡实验对双星中子星系统电子反中微子的敏感性

在2015年首次观察到重力波(GW)瞬变之后,寻找重合的中微子已成为当前中微子实验中最重要的任务之一。特别是,在发现一个GW候选物(表示为GW170817)之后,同时进行的搜索引起了越来越多的关注,这是产生双星中子星(BNS)合并的第一个迹象。但是,尚未找到候选中微子。作为一项前瞻性研究,本文提出了对潜在电子反中微子(ν¯Ë(来自BNS合并)在未来的中基线反应堆中微子振荡(MBRO)实验中。一方面,我们研究了对ν¯ËBNS合并在未来MBRO实验中发出的信号。另一方面,我们将ν¯Ë 信号对 ν¯Ë根据描述中微子发射过程的演化模型,影响上限并评估BNS合并的最远可检测距离。此外,我们还在未来的MBRO实验中分析了使用拟议的额外探测器提高灵敏度和可检测距离的问题。

更新日期:2020-11-06
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