Detecting Neutrinos from Supernova Bursts in PandaX-4T

B. Pang, Jiang Liu, Yang Zhang
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Abstract

Neutrinos from core-collapse supernovae are essential for the understanding of neutrino physics and stellar evolution. The dual-phase xenon dark matter detectors can provide a way to track explosions of galactic supernovae by detecting neutrinos through coherent elastic neutrino-nucleus scatterings. In this study, a variation of progenitor masses as well as explosion models are assumed to predict the neutrino fluxes and spectra, which result in the number of expected neutrino events ranging from 6.6 to 13.7 at a distance of 10 kpc over a 10-second duration with negligible backgrounds at PandaX-4T. Two specialized triggering alarms for monitoring supernova burst neutrinos are built. The efficiency of detecting supernova explosions at various distances in the Milky Way is estimated. These alarms will be implemented in the real-time supernova monitoring system at PandaX-4T in the near future, providing the astronomical communities with supernova early warnings. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Article funded by SCOAP3 and published under licence by Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Science and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd.
熊猫X-4T探测超新星爆发产生的中微子
来自核心坍缩超新星的中微子对于了解中微子物理和恒星演化至关重要。双相氙暗物质探测器可以通过相干弹性中微子-核散射探测中微子,从而提供一种跟踪星系超新星爆炸的方法。在这项研究中,假定了不同的原生体质量和爆炸模型来预测中微子通量和光谱,结果在熊猫X-4T上,10千微微距离处10秒持续时间内的预期中微子事件数量从6.6到13.7不等,背景可以忽略不计。为监测超新星爆发中微子建立了两个专门的触发警报器。估算了在银河系不同距离探测超新星爆发的效率。这些警报将在不久的将来应用于熊猫X-4T的超新星实时监测系统,为天文学界提供超新星预警。本文内容可根据知识共享署名 3.0 许可条款使用。对本作品的任何进一步传播都必须注明作者、作品名称、期刊引文和 DOI。文章由 SCOAP3 资助,由中国物理学会、中国科学院高能物理研究所、中国科学院近代物理研究所和 IOP Publishing Ltd. 授权出版。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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