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          Institute: MPI für Kernphysik     Collection: High-Energy Astrophysics     Display Documents



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ID: 282106.0, MPI für Kernphysik / High-Energy Astrophysics
Muon-pair Production by Atmospheric Muons in CosmoALEPH
Authors:Maciuc, Florin; Grupen, C.; Hashim, N.-O.; Luitz, S.; Mailov, A.; Müller, A.-S.; Putzer, A.; Sander, H.-G.; Schmeling, S.; Schmelling, M.; Tcaciuc, R.; Wachsmuth, H.; Ziegler, Th.; Zuber, K.
Language:English
Corporate body:F. Maciuc et al. for the CosmoALEPH Collaboration
Date of Publication (YYYY-MM-DD):2006-01-20
Title of Journal:Physical Review Letters
Journal Abbrev.:Phys. Rev. Lett.
Volume:96
Issue / Number:2
Sequence Number of Article:021801
Copyright:AMERICAN PHYSICAL SOC
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:Data from a dedicated cosmic ray run of the ALEPH detector were used in a study of muon trident production, i.e., muon pairs produced by muons. Here the overburden and the calorimeters are the target materials while the ALEPH time projection chamber provides the momentum measurements. A theoretical estimate of the muon trident cross section is obtained by developing a Monte Carlo simulation for muon propagation in the overburden and the detector. Two muon trident candidates were found to match the expected theoretical pattern. The observed production rate implies that the nuclear form factor cannot be neglected for muon tridents. [References: 23]
Free Keywords:Trident production, Atomic electrons,Collisions.
External Publication Status:published
Document Type:Article
Affiliations:MPI für Kernphysik/Group W. Hofmann/Heavy Flavour Physics (K. T. Knöpfle, M. Schmelling)
External Affiliations:Univ Siegen, Fachbereich Phys D-57068 Siegen Germany SLAC Menlo Pk, CA 94025 USA Forschungszentrum Karlsruhe, Inst Synchrotronstrahlung D-76021 Karlsruhe Germany Univ Heidelberg, Kirchhoff Inst Phys D-69120 Heidelberg Germany Univ Mainz, Fachbereich Phys D-55099 Mainz Germany CERN CH-1211 Geneva 23 Switzerland Princeton Univ, Dept Phys Princeton, NJ 08544 USA Univ Oxford, Dept Phys Oxford OX1 3RH England
Identifiers:ISSN:0031-9007
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