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Charged particle transverse momentum spectra in pp collisions at root s=0.9 and 7 TeV
CMS Collaboration
2011
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号8
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要The charged particle transverse momentum (p(T)) spectra are presented for pp collisions at root s = 0.9 and 7 TeV. The data samples were collected with the CMS detector at the LHC and correspond to integrated luminosities of 231 mu b(-1) and 2.96 pb(-1), respectively. Calorimeter-based high-transverse-energy triggers are employed to enhance the statistical reach of the high-p(T) measurements. The results are compared with leading and next-to-leading order QCD and with an empirical scaling of measurements at different collision energies using the scaling variable x(T) equivalent to 2p(T)/root s over the p(T) range up to 200 GeV/e. Using a combination of xi, scaling and direct interpolation at fixed p(T), a reference transverse momentum spectrum at root s = 2.76 TeV is constructed, which can be used for studying high-p(T) particle suppression in the dense QCD medium produced in heavy-ion collisions at that centre-of-mass energy.
关键词QUARK-GLUON PLASMA COLLABORATION PERSPECTIVE
学科领域Physics
DOI10.1007/JHEP08(2011)086
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000294901200075
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/311005/213111
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. Charged particle transverse momentum spectra in pp collisions at root s=0.9 and 7 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2011(8).
APA CMS Collaboration.(2011).Charged particle transverse momentum spectra in pp collisions at root s=0.9 and 7 TeV.JOURNAL OF HIGH ENERGY PHYSICS(8).
MLA CMS Collaboration."Charged particle transverse momentum spectra in pp collisions at root s=0.9 and 7 TeV".JOURNAL OF HIGH ENERGY PHYSICS .8(2011).
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