The Observation of Up-going Charged Particles Produced by High Energy Muons in Underground Detectors

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dc.creatorThe MACRO Collaboration
dc.creatoral, M. Ambrosio et
dc.date1998-07-31
dc.date.accessioned2026-07-07T11:46:53Z
dc.date.available2026-07-07T11:46:53Z
dc.descriptionAn experimental study of the production of up-going charged particles in inelastic interactions of down-going underground muons is reported, using data obtained from the MACRO detector at the Gran Sasso Laboratory. In a sample of 12.2 10^6 single muons, corresponding to a detector livetime of 1.55 y, 243 events are observed having an up-going particle associated with a down-going muon. These events are analysed to determine the range and emission angle distributions of the up-going particle, corrected for detection and reconstruction efficiency. Measurements of the muon neutrino flux by underground detectors are often based on the observation of through-going and stopping muons produced in $ν_μ$ interactions in the rock below the detector. Up-going particles produced by an undetected down-going muon are a potential background source in these measurements. The implications of this background for neutrino studies using MACRO are discussed.
dc.description18 pages, 9 figures. Accepted by Astrop. Physics
dc.identifierhttps://arxiv.org/abs/hep-ex/9807032
dc.identifierhttp://arxiv.org/abs/hep-ex/9807032
dc.identifierAstropart.Phys.9:105-117,1998
dc.identifierdoi:10.1016/S0927-6505(98)00010-3
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/202384
dc.subjectHigh Energy Physics - Experiment
dc.titleThe Observation of Up-going Charged Particles Produced by High Energy Muons in Underground Detectors
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