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Expected sensitivity of ARGO-YBJ to detect point gamma-ray sources

S. Vernetto·C. Bleve·T. Di Girolamo·G Di Sciascio·D. Martello
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Abstract

ARGO-YBJ is a full coverage air shower detector currently under construction at the Yangbajing Laboratory (4300 m a.s.l., Tibet, China). First data obtained with a subset of the apparatus will be available in summer 2003 while the full detector operation is expected in 2005. One of the main aims of ARGO-YBJ is the observation of gamma-ray sources, at an energy threshold of a few hundreds GeV. In this paper we present the expected sensitivity to detect point gamma ray sources, with particular attention to the Crab Nebula. According to our simulations a Crab-like signal could be detected in one year of operation with a statistical significance of 10 standard deviations, without any gamma/hadron discrimination.

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S. Vernetto, C. Bleve, T. Di Girolamo, G Di Sciascio, D. Martello. 2003-06-06. Expected sensitivity of ARGO-YBJ to detect point gamma-ray sources. https://arxiv.org/abs/astro-ph/0306136

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