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Observation of the shadowing of cosmic rays by the Moon using a deep underground detector
Journal article   Open access   Peer reviewed

Observation of the shadowing of cosmic rays by the Moon using a deep underground detector

M Ambrosio, R Antolini, C Aramo, G Auriemma, A Baldini, G C Barbarino, B C Barish, G Battistoni, R Bellotti, C Bemporad, …
Physical review. D, v 59(1)
01 Jan 1999
url
http://arxiv.org/abs/hep-ex/9807006View
url
https://doi.org/10.1103/PhysRevD.59.012003View
Published, Version of Record (VoR) Open

Abstract

Astronomy & Astrophysics Physics, Particles & Fields Science & Technology Physical Sciences Physics
Using data collected by the MACRO experiment during the years 1989-1996, we show evidence for the shadow of the Moon in the underground cosmic ray flux with a significance of 3.6 sigma. This detection of the shadowing effect is the first by an underground detector. A maximum-likelihood analysis is used to determine that the angular resolution of the apparatus is 0.9 degrees +/- 0.3 degrees. These results demonstrate MACRO's capabilities as a muon telescope by confirming its absolute pointing ability and quantifying its angular resolution.

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Collaboration types
Domestic collaboration
International collaboration
Web of Science research areas
Astronomy & Astrophysics
Physics, Particles & Fields
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