arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1111.0335astro-ph.HE
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用IceCube寻找瞬变中微子源

Search for transient neutrino sources with IceCube

A. Franckowiak

摘要:

IceCube探测器嵌入南极的冰川冰中,是第一个体积为1立方公里的中微子望远镜。寻找天体物理学起源的中微子是IceCube的主要目标之一。点源候选者包括银河系天体,如超新星遗迹(SNRs),以及河外天体,如活动星系核(AGN)和伽马射线暴(GRB)。离线和在线搜索瞬态源,如伽玛暴和超新星(SNe)。触发搜索使用费米,SWIFT和Konus的卫星测量。作为触发离线搜索的补充,在线中微子多重态选择允许IceCube触发光学望远镜网络,然后可以识别可能的电磁对应物。这允许探测SNe中的温和相对论性喷流,从而揭示GRB,SNe和相对论性喷流之间的联系。冰立方的触发伽玛暴搜索和相对论性喷流在SNe的第一个限制,从光学后续计划的结果。

英文摘要:

The IceCube detector, which is embedded in the glacial ice at the geographic South Pole, is the first neutrino telescope to comprise a volume of one cubic kilometer. The search for neutrinos of astrophysical origin is among the primary goals of IceCube. Point source candidates include Galactic objects such as supernova remnants (SNRs) as well as extragalactic objects such as Active Galactic Nuclei (AGN) and Gamma-Ray Bursts (GRBs). Offline and online searches for transient sources like GRBs and supernovae (SNe) are presented. Triggered searches use satellite measurements from Fermi, SWIFT and Konus. Complementary to the triggered offline search, an online neutrino multiplet selection allows IceCube to trigger a network of optical telescopes, which can then identify a possible electromagnetic counterpart. This allows to probe for mildly relativistic jets in SNe and hence to reveal the connection between GRBs, SNe and relativistic jets. Results from IceCube's triggered GRB search and a first limit on relativistic jets in SNe from the optical follow-up program are presented.

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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