Measurement of J/psi and psi(2S) Prompt Double-Differential Cross Sections in pp Collisions at root s=7 TeV
CMS Collaboration
刊名PHYSICAL REVIEW LETTERS
2015
卷号114页码:191802
学科分类Physics
DOI10.1103/PhysRevLett.114.191802
文章类型Article
英文摘要The double-differential cross sections of promptly produced J/psi and psi(2S) mesons are measured in pp collisions at root s = 7 TeV, as a function of transverse momentum p(T) and absolute rapidity \y\. The analysis uses J/psi and psi(2S) dimuon samples collected by the CMS experiment, corresponding to integrated luminosities of 4.55 and 4.90 fb(-1), respectively. The results are based on a two-dimensional analysis of the dimuon invariant mass and decay length, and extend to p(T) = 120 and 100 GeV for the J/psi and psi(2S), respectively, when integrated over the interval \y\ < 1.2. The ratio of the psi(2S) to J/psi cross sections is also reported for \y\ < 1.2, over the range 10 < p(T) < 100 GeV. These are the highest p(T) values for which the cross sections and ratio have been measured.
类目[WOS]Physics, Multidisciplinary
收录类别SCI ; EI
WOS记录号WOS:000354552000003
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被引频次:12[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/311005/228507
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
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CMS Collaboration. Measurement of J/psi and psi(2S) Prompt Double-Differential Cross Sections in pp Collisions at root s=7 TeV[J]. PHYSICAL REVIEW LETTERS,2015,114:191802.
APA CMS Collaboration.(2015).Measurement of J/psi and psi(2S) Prompt Double-Differential Cross Sections in pp Collisions at root s=7 TeV.PHYSICAL REVIEW LETTERS,114,191802.
MLA CMS Collaboration."Measurement of J/psi and psi(2S) Prompt Double-Differential Cross Sections in pp Collisions at root s=7 TeV".PHYSICAL REVIEW LETTERS 114(2015):191802.
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