Transverse momentum spectra and nuclear modification factors of charged particles in pp, p-Pb and Pb-Pb collisions at the LHC

doi:10.1007/JHEP11(2018)013

CORC > 上海应用物理研究所 > 中国科学院上海应用物理研究所 > 中科院上海应用物理研究所2011-2017年

	Transverse momentum spectra and nuclear modification factors of charged particles in pp, p-Pb and Pb-Pb collisions at the LHC
	Acharya, S ; Acosta, FT ; Adamova, D ; Adolfsson, J ; Aggarwal, MM ; Rinella, GA ; Agnello, M ; Agrawal, N ; Ahammed, Z ; Ahn, SU
刊名	JOURNAL OF HIGH ENERGY PHYSICS
	2018
期号	11 页码:-
关键词	MULTIPLICITY DEPENDENCE CENTRALITY DEPENDENCE HADRONS MODEL KAON PION
ISSN号	1029-8479
DOI	10.1007/JHEP11(2018)013
文献子类	期刊论文
英文摘要	We report the measured transverse momentum (pT) spectra of primary charged particles from pp, p-Pb and Pb-Pb collisions at a center-of-mass energy p sNN = 5 : 02TeV in the kinematic range of 0 : 15 < pT < 50 GeV/c and jj < 0 : 8. A signi fi cant improvement of systematic uncertainties motivated the reanalysis of data in pp and Pb-Pb collisions at p sNN = 2 : 76TeV, as well as in p-Pb collisions at p sNN = 5 : 02TeV, which is also presented. Spectra from Pb-Pb collisions are presented in nine centrality intervals and are compared to a reference spectrum from pp collisions scaled by the number of binary nucleon-nucleon collisions. For central collisions, the pT spectra are suppressed by more than a factor of 7 around 6-7 GeV/c with a signi fi cant reduction in suppression towards higher momenta up to 30 GeV/c. The nuclear modi fi cation factor RpPb, constructed from the pp and p-Pb spectra measured at the same collision energy, is consistent with unity above 8 GeV/c. While the spectra in both pp and Pb-Pb collisions are substantially harder at p sNN = 5 : 02TeV compared to 2.76TeV, the nuclear modi fi cation factors show no signi fi cant collision energy dependence. The obtained results should provide further constraints on the parton energy loss calculations to determine the transport properties of the hot and dense QCD matter.
语种	英语
内容类型	期刊论文
源URL	[http://ir.sinap.ac.cn/handle/331007/31155]
专题	上海应用物理研究所_中科院上海应用物理研究所2011-2017年
作者单位	1.Eberhard Karls Univ Tubingen, Phys Inst, Tubingen, Germany 2.Politecn Torino, Dipartimento DET, Turin, Italy 3.Moscow MV Lomonosov State Univ, DV Skobeltsyn Inst Nucl, Phys, Moscow, Russia 4.Aligarh Muslim Univ, Dept Appl Phys, Aligarh, Uttar Pradesh, India 5.Univ Wroclaw, Inst Theoret Phys, Wroclaw, Poland 6.AI Alikhanyan Natl Sci Lab Yerevan Phys Inst Fdn, Yerevan, Armenia 7.Benemerita Univ Autonoma Puebla, Puebla, Mexico 8.Natl Acad Sci Ukraine, Bogolyubov Inst Theoret Phys, Kiev, Ukraine 9.Bose Inst, Dept Phys, Kolkata, India 10.CAPSS, Kolkata, India
推荐引用方式 GB/T 7714	Acharya, S,Acosta, FT,Adamova, D,et al. Transverse momentum spectra and nuclear modification factors of charged particles in pp, p-Pb and Pb-Pb collisions at the LHC[J]. JOURNAL OF HIGH ENERGY PHYSICS,2018(11):-.
APA	Acharya, S.,Acosta, FT.,Adamova, D.,Adolfsson, J.,Aggarwal, MM.,...&Zou, S.(2018).Transverse momentum spectra and nuclear modification factors of charged particles in pp, p-Pb and Pb-Pb collisions at the LHC.JOURNAL OF HIGH ENERGY PHYSICS(11),-.
MLA	Acharya, S,et al."Transverse momentum spectra and nuclear modification factors of charged particles in pp, p-Pb and Pb-Pb collisions at the LHC".JOURNAL OF HIGH ENERGY PHYSICS .11(2018):-.