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Measurement of the charge ratio of atmospheric muons with the CMS detector
CMS Collaboration
2010
发表期刊PHYSICS LETTERS B
卷号692期号:2页码:83-104
通讯作者Tenchini, R (reprint author), INFN Sez Pisa, Pisa, Italy.
摘要We present a measurement of the ratio of positive to negative muon fluxes from cosmic ray interactions in the atmosphere, using data collected by the CMS detector both at ground level and in the underground experimental cavern at the CERN LHC. Muons were detected in the momentum range from 5 GeV/c to 1 TeV/c. The surface flux ratio is measured to be 1.2766 +/- 0.0032 (stat.) +/- 0.0032 (syst.), independent of the muon momentum, below 100 GeV/c. This is the most precise measurement to date. At higher momenta the data are consistent with an increase of the charge ratio, in agreement with cosmic ray shower models and compatible with previous measurements by deep-underground experiments. (C) 2010 Published by Elsevier B.V.
关键词SEA-LEVEL FLUX
学科领域Physics
DOI10.1016/j.physletb.2010.07.033
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000282116900005
引用统计
被引频次:23[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/212980
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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CMS Collaboration. Measurement of the charge ratio of atmospheric muons with the CMS detector[J]. PHYSICS LETTERS B,2010,692(2):83-104.
APA CMS Collaboration.(2010).Measurement of the charge ratio of atmospheric muons with the CMS detector.PHYSICS LETTERS B,692(2),83-104.
MLA CMS Collaboration."Measurement of the charge ratio of atmospheric muons with the CMS detector".PHYSICS LETTERS B 692.2(2010):83-104.
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