Measurement of the Muon Stopping Power in Lead Tungstate
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Demir, Durmuş Ali
Karapınar, Güler
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BRONZE
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Yes
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47
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46
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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 -68 GeV, in agreement with expectations. This is the first experimental determination of muon critical energy. © 2010 IOP Publishing Ltd and SISSA.
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Keywords
Calorimeters, Interaction of radiation with matter, Electromagnetic calorimeter, Compact Muon Solenoid, CMS experiment, Compact Muon Solenoid, Physics - Instrumentation and Detectors, 550, FOS: Physical sciences, 530, PARTICLE PHYSICS; LARGE HADRON COLLIDER; CMS, Calorimeters, Electromagnetic calorimeter, lead tungstate, muon stopping power, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Detectors and Experimental Techniques, info:eu-repo/classification/ddc/530, info:eu-repo/classification/ddc/610, Calorimeter, Interaction of radiation with matter, calorimeters, CMS, Physics, interaction of radiation with matter, ddc:530, Stopping power, muons, Instrumentation and Detectors (physics.ins-det), LARGE HADRON COLLIDER, CMS; LHC; muon stopping power; lead tungstate, LHC; CMS; MUONI, [PHYS.PHYS.PHYS-INS-DET] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Instrumentation; Mathematical Physics, PARTICLE PHYSICS, LHC
Fields of Science
01 natural sciences, 0103 physical sciences
Citation
Chatrchyan, S., Khachatryan, V., Sirunyan, A. M., Adam. W., Arnold, B., ...CMS Collaboration (2010). Measurement of the muon stopping power in lead tungstate. Journal of Instrumentation, 5(3). doi:10.1088/1748-0221/5/03/P03007
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OpenCitations Citation Count
7
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5
Issue
3
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