Z. Cao, S.Z. Chen. Tev gamma-ray survey of the northern sky using the Argo-ybj experiment


Natural Sciences / Astronomy / Astrophysics

Submitted on: Aug 28, 2012, 19:00:28

Description: The ARGO-YBJ experiment is an extensive air shower array with full coverage RPC detectors located at Yangbajing (4300 m asl, Tibet, China). It is operated with high duty cycle (>86%) and a large field of view ($sim$ 2sr). It continuously monitors the entire overhead sky at $gamma$-ray energies above 0.1 TeV. In the talk, we will present the result of the northern sky survey (between declinations of -10$^{circ}$ and 70$^{circ}$) from an analysis of ~4 years of the ARGO-YBJ data (between July 2006 and February 2011). There are four known TeV sources observed with significance greater than 5 S.D.. The significance from Crab Nebula is more than 16 S.D.. 90% confidence level upper limits to the flux from all directions in the sky are also presented, which vary from 0.09 to 0.53 Crab unit for Crab-like point sources.

The abstract of this article will be published in the August 2012 issue of "Intellectual Archive Bulletin", ISSN 1929-1329.

The Library and Archives Canada reference page: collectionscanada.gc.ca/ourl/res.php?url_ver=Z39.88......

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S_Z_Chen__TeV_gamma-ray_survey.pdf



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