Observation in the MINOS far detector of the shadowing of cosmic rays by the sun and moon

Adamson, P, Andreopoulos, C, Auty, D.J, Ayres, D. S., Backhouse, C, Barr, G, Barrett, W.L, Bhattarai, P, Bishai, M, Blake, A, Devenish, N E, Falk, E, Harris, P G, Hartnell, J, Lefeuvre, G and et al, (2011) Observation in the MINOS far detector of the shadowing of cosmic rays by the sun and moon. Astroparticle Physics, 34 (6). pp. 457-466. ISSN 0927-6505

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Abstract

The shadowing of cosmic ray primaries by the moon and sun was observed by the MINOS far detector at a depth of 2070 mwe using 83.54 million cosmic ray muons accumulated over 1857.91 live-days. The shadow of the moon was detected at the 5.6 level and the shadow of the sun at the 3.8 level using a log-likelihood search in celestial coordinates. The moon shadow was used to quantify the absolute astrophysical pointing of the detector to be 0.17 0.12. Hints of interplanetary magnetic field effects were observed in both the sun and moon shadow.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Depositing User: David Auty
Date Deposited: 06 Feb 2012 19:38
Last Modified: 16 Apr 2012 11:16
URI: http://sro.sussex.ac.uk/id/eprint/21571
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