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Measurement of the relative prompt production rate of chi(c2) and chi(c1) in pp collisions at root s=7 TeV
CMS Collaboration
2012
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号72期号:12
通讯作者Chatrchyan, S (reprint author), CERN, Geneva, Switzerland.
摘要Ameasurement is presented of the relative prompt production rate of chi(c2) and chi(c1) with 4.6 fb(-1) of data collected by the CMS experiment at the LHC in pp collisions at root s = 7 TeV. The two states are measured via their radiative decays chi(c) -> J/psi + gamma, with the photon converting into an e(+)e(-) pair for J/psi rapidity \y(J/psi)\ < 1.0 and photon transverse momentum p(T)(gamma) > 0.5 GeV/c. The measurement is given for six intervals of p(T)(J/psi) between 7 and 25 GeV/c. The results are compared to theoretical predictions.
关键词P(P)OVER-BAR COLLISIONS S=1.8 TEV J/PSI
学科领域Physics
DOI10.1140/epjc/s10052-012-2251-3
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000314407400009
引用统计
被引频次:8[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/311005/213448
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 relative prompt production rate of chi(c2) and chi(c1) in pp collisions at root s=7 TeV[J]. EUROPEAN PHYSICAL JOURNAL C,2012,72(12).
APA CMS Collaboration.(2012).Measurement of the relative prompt production rate of chi(c2) and chi(c1) in pp collisions at root s=7 TeV.EUROPEAN PHYSICAL JOURNAL C,72(12).
MLA CMS Collaboration."Measurement of the relative prompt production rate of chi(c2) and chi(c1) in pp collisions at root s=7 TeV".EUROPEAN PHYSICAL JOURNAL C 72.12(2012).
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