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Elsevier, Astroparticle Physics, 6(18), p. 615-627

DOI: 10.1016/s0927-6505(02)00164-0

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Search for cosmic ray sources using muons detected by the MACRO experiment

Journal article published in 2003 by R. Webbae, E. Katsavounidish, Michelangelo Ambrosio, I. Katsavounidish, R. Antolini, G. Auriemma, Kimh, D. Bakari, A. Baldini, C. Lanez, G. C. Barbarino, B. C. Barish, Barbarino Gc, G. Battistoni, Y. Becherini and other authors.
This paper is available in a repository.
This paper is available in a repository.

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Data provided by SHERPA/RoMEO

Abstract

The MACRO underground detector at Gran Sasso Laboratory recorded 60 million secondary cosmic ray muons from February 1989 until December 2000. Different techniques were used to analyze this sample in search for density excesses from astrophysical point-like sources. No evidence for DC excesses for any source in an all-sky survey is reported. In addition, searches for muon excess correlated with the known binary periods of Cygnus X-3 and Hercules X-1, and searches for statistically significant bursting episodes from known gamma-ray sources are also proved negative. (C) 2002 Elsevier Science B.V. All rights reserved.