arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 0903.0119astro-ph.HE
收藏

伽玛暴甚高能量辐射的ARGO-YBJ约束

ARGO-YBJ constraints on very high energy emission from GRBs

YBJ Collaboration, G. Aielli

摘要:

羊八井天体物理辐射地面观测站(ARGO-YBJ)实验是为甚高能$γ$ -天文学和宇宙线研究而设计的。由于电阻板室在非常高的海拔(4300 m a.s.l.)完全覆盖了大面积($5600 m^2$),ARGO-YBJ探测器用于探测瞬变现象,如伽马射线暴(GRB)。由于ARGO-YBJ探测器具有大视场($\sim$ 2 sr)和高占空比($>$ 90%),因此非常适合伽马射线暴测量,并可在卫星观测设置的低能量警报之后搜索高能伽马射线暴。本文估算了ARGO-YBJ探测器探测γ射线暴的灵敏度。在10 $-$ 100 GeV和10 GeV $-$ 1 TeV两个能量范围内,设定了2006年6月至2009年1月视场内26个伽玛暴的99%置信水平的注量上限。

英文摘要:

The ARGO-YBJ (Astrophysical Radiation Ground-based Observatory at YangBaJing) experiment is designed for very high energy $γ$-astronomy and cosmic ray researches. Due to the full coverage of a large area ($5600 m^2$) with resistive plate chambers at a very high altitude (4300 m a.s.l.), the ARGO-YBJ detector is used to search for transient phenomena, such as Gamma-ray bursts (GRBs). Because the ARGO-YBJ detector has a large field of view ($\sim$2 sr) and is operated with a high duty cycle ($>$90%), it is well suited for GRB surveying and can be operated in searches for high energy GRBs following alarms set by satellite-borne observations at lower energies. In this paper, the sensitivity of the ARGO-YBJ detector for GRB detection is estimated. Upper limits to fluence with 99% confidence level for 26 GRBs inside the field of view from June 2006 to January 2009 are set in the two energy ranges 10$-$100 GeV and 10 GeV$-$1 TeV.

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。

↑