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Study of muons from the direction of Cygnus X-3 using an underground proportional-tube array

Journal Article · · Physical Review, D (Particles Fields); (USA)
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  1. Argonne National Laboratory, Argonne, IL (USA) University of Minnesota, Minneapolis, MN (USA) Oxford University, Oxford, England 0X1 3RH Rutherford Appleton L
+ Show Author Affiliations
From July 1987 through March 1988 an array of proportional wire modules was operated as a muon detector at a depth of 2090 meters water equivalent in the Soudan mine in northern Minnesota. A spatial angular resolution of 1.2{degree} was achieved for muon tracking. A clean sample of 1.02{times}10{sup 5} muon trajectories recorded underground is used to search for an excess flux of muons from the direction of Cygnus X-3. For muons within the phase interval (0.6, 0.9) of the source's 4.8-h period, 90%-C.L. upper limits for fluxes arriving within 3{degree} and 1.5{degree} half-angle cones centered on the Cygnus X-3 direction are 8.5{times}10{sup {minus}11} cm{sup {minus}2}s{sup {minus}1} and 3.1{times}10{sup {minus}11} cm{sup {minus}2}s{sup {minus}1}, respectively.
DOE Contract Number:
AC02-83ER40085
OSTI ID:
6205283
Journal Information:
Physical Review, D (Particles Fields); (USA), Journal Name: Physical Review, D (Particles Fields); (USA) Vol. 42:9; ISSN PRVDA; ISSN 0556-2821
Country of Publication:
United States
Language:
English

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Related Subjects

640101* -- Astrophysics & Cosmology-- Cosmic Radiation
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ANGULAR DISTRIBUTION
ARGON
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
CHARGED PARTICLE DETECTION
COINCIDENCE SPECTROMETRY
COSMIC MUONS
COSMIC RADIATION
COSMIC RAY DETECTION
COSMIC RAY SOURCES
COSMIC X-RAY SOURCES
DETECTION
DISTRIBUTION
ELEMENTARY PARTICLES
ELEMENTS
FERMIONS
FLUIDS
GASES
IONIZING RADIATIONS
LEPTONS
MEASURING INSTRUMENTS
MONTE CARLO METHOD
MULTIWIRE PROPORTIONAL CHAMBERS
MUON DETECTION
MUONS
NONMETALS
OXIDES
OXYGEN COMPOUNDS
PROPORTIONAL COUNTERS
RADIATION DETECTION
RADIATION DETECTORS
RADIATIONS
RARE GASES