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Measurement of the B+ Production Cross Section in pp Collisions at root s=7 TeV
CMS Collaboration
2011
发表期刊PHYSICAL REVIEW LETTERS
卷号106期号:11
通讯作者Khachatryan, V (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要Measurements of the total and differential cross sections d sigma/dp(T)(B) and d sigma/dy(B) for B+ mesons produced in pp collisions at root s = 7 TeV are presented. The data correspond to an integrated luminosity of 5.8 pb(-1) collected by the CMS experiment operating at the LHC. The exclusive decay B+ -> J/psi K+, with J/psi -> mu(+)mu(-), is used to detect B+ mesons and to measure the production cross section as a function of p(T)(B) and y(B). The total cross section for p(T)(B) > 5 GeV and vertical bar y(B)vertical bar < 2.4 is measured to be 28.1 +/- 2.4 +/- 2.0 +/- 3.1 mu b, where the first uncertainty is statistical, the second is systematic, and the last is from the luminosity measurement.
关键词BOTTOM-QUARK PRODUCTION P(P)OVER-BAR COLLISIONS HEAVY QUARKS
学科领域Physics
DOI10.1103/PhysRevLett.106.112001
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000288515000004
引用统计
被引频次:62[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/311005/213025
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 B+ Production Cross Section in pp Collisions at root s=7 TeV[J]. PHYSICAL REVIEW LETTERS,2011,106(11).
APA CMS Collaboration.(2011).Measurement of the B+ Production Cross Section in pp Collisions at root s=7 TeV.PHYSICAL REVIEW LETTERS,106(11).
MLA CMS Collaboration."Measurement of the B+ Production Cross Section in pp Collisions at root s=7 TeV".PHYSICAL REVIEW LETTERS 106.11(2011).
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