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

Jaffe, D.E. ; Bishai, M. ; Diwan, M.V. ; Ling, J. ; Viren, B. ; Whitehead, L.,.

Astroparticle Physics, 2010-10, Vol.34 (6)

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Título:
Observation in the MINOS far detector of the shadowing of cosmic rays by the sun and moon
Autor: Jaffe, D.E. ; Bishai, M. ; Diwan, M.V. ; Ling, J. ; Viren, B. ; Whitehead, L.,.
Assuntos: ASTROPHYSICS ; ASTROPHYSICS, COSMOLOGY AND ASTRONOMY ; CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ; COSMIC RADIATION ; Cosmic rays ; INTERPLANETARY MAGNETIC FIELDS ; MOON ; moon shadow ; MUONS ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; SUN ; sun shadow
É parte de: Astroparticle Physics, 2010-10, Vol.34 (6)
Notas: DE-AC02-98CH10886
BNL-94548-2011-JA
DOE - OFFICE OF SCIENCE
Descrição: 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 {sigma} level and the shadow of the sun at the 3.8 {sigma} 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{sup o}. Hints of interplanetary magnetic field effects were observed in both the sun and moon shadow.
Editor: United States
Idioma: Inglês

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