Title
Measurement of the muon stopping power in lead tungstateMeasurement of the muon stopping power in lead tungstate
Author
Faculty/Department
Faculty of Sciences. Physics
Research group
Elementary Particle Physics
Publication type
article
Publication
Bristol :Institute of Physics,
Subject
Physics
Source (journal)
Journal of instrumentation. - Bristol, 2006, currens
Volume/pages
5(2010), p. 1-31
ISSN
1748-0221
Article Reference
P03007
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
A large sample of cosmic ray events collected by the CMS detector is exploited to measure the specific energy loss of muons in the lead tungstate (PbWO4) of the electromagnetic calorimeter. The measurement spans a momentum range from 5 GeV/c to 1 TeV/c. The results are consistent with the expectations over the entire range. The calorimeter energy scale, set with 120 GeV/c electrons, is validated down to the sub-GeV region using energy deposits, of order 100 MeV, associated with low-momentum muons. The muon critical energy in PbWO4 is measured to be 160+5−6±8 GeV, in agreement with expectations. This is the first experimental determination of muon critical energy.
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Full text (open access)
https://repository.uantwerpen.be/docman/irua/f6f149/86711.pdf
Handle