An 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 x 10(6) single muons, corresponding to a detector lifetime of 1.55y, 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 v(mu) 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. (C) 1998 Elsevier Science B.V.

The observation of up-going charged particles produced by high energy muons in underground detectors / M., A., R., A., C., A., G., A., A., B., G. C., B., B. C., B., G., B., R., B., C., B., P., B., H., B., V., B., C., B., C., B., S., B., F., C., M., C., D., C., M., C., et al.. - In: ASTROPARTICLE PHYSICS. - ISSN 0927-6505. - 9:(1998), pp. 105-117. [10.1016/S0927-6505(98)00010-3]

The observation of up-going charged particles produced by high energy muons in underground detectors

IAROCCI, Enzo;PATERA, Vincenzo;SCIUBBA, Adalberto;
1998

Abstract

An 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 x 10(6) single muons, corresponding to a detector lifetime of 1.55y, 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 v(mu) 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. (C) 1998 Elsevier Science B.V.
1998
01 Pubblicazione su rivista::01a Articolo in rivista
The observation of up-going charged particles produced by high energy muons in underground detectors / M., A., R., A., C., A., G., A., A., B., G. C., B., B. C., B., G., B., R., B., C., B., P., B., H., B., V., B., C., B., C., B., S., B., F., C., M., C., D., C., M., C., et al.. - In: ASTROPARTICLE PHYSICS. - ISSN 0927-6505. - 9:(1998), pp. 105-117. [10.1016/S0927-6505(98)00010-3]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/495094
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