Multiplicity and rapidity dependence of strange hadron production in pp, pPb, and PbPb collisions at the LHC | |
CMS Collaboration | |
2017 | |
发表期刊 | PHYSICS LETTERS B (IF:4.807[JCR-2016],4.327[5-Year]) |
ISSN | 0370-2693 |
EISSN | 1873-2445 |
卷号 | 768页码:103-129 |
文章类型 | Article |
摘要 | Measurements of strange hadron (K-S(0), Lambda +(Lambda) over bar, and Xi(-)+(Xi) over bar (+)) transverse momentum spectra in pp, pPb, and PbPb collisions are presented over a wide range of rapidity and event charged-particle multiplicity. The data were collected with the CMS detector at the CERN LHC in pp collisions at root s= 7 TeV, pPb collisions at root(NN)-N-s= 5.02 TeV, and PbPb collisions at root(NN)-N-s = 2.76 TeV. The average transverse kinetic energy is found to increase with multiplicity, at a faster rate for heavier strange particle species in all systems. At similar multiplicities, the difference in average transverse kinetic energy between different particle species is observed to be larger for pp and pPb events than for PbPb events. In pPb collisions, the average transverse kinetic energy is found to be slightly larger in the Pb-going direction than in the p-going direction for events with large multiplicity. The spectra are compared to models motivated by hydrodynamics. (c) 2017 The Author(s). Published by Elsevier B.V. |
关键词 | CMS Physics Heavy ion Spectra Radial flow |
DOI | 10.1016/j.physletb.2017.01.075 |
关键词[WOS] | QUARK-GLUON PLASMA ; TRANSVERSE-MOMENTUM ; COLLABORATION ; ENHANCEMENT ; PARTON ; MODELS ; GEV/C ; TEV |
收录类别 | SCI ; SCOPUS ; ADS ; INSPIREHEP |
语种 | 英语 |
WOS研究方向 | Astronomy & Astrophysics ; Physics |
WOS类目 | Astronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields |
WOS记录号 | WOS:000400677700015 |
ADS Bibcode | 2017PhLB..768..103K |
ADS URL | https://ui.adsabs.harvard.edu/abs/2017PhLB..768..103K |
ADS引文 | https://ui.adsabs.harvard.edu/abs/2017PhLB..768..103K/citations |
AXRIV号 | 165 |
INSPIRE ID | 1464834 |
INSPIRE URL | https://inspirehep.net/record/1464834 |
引用统计 | 正在获取...
被引频次:54 [INSPIRE]
被引频次:46 [ADS]
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文献类型 | 期刊论文 |
条目标识符 | https://ir.ihep.ac.cn/handle/311005/284283 |
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 |
第一作者单位 | 中国科学院高能物理研究所 |
推荐引用方式 GB/T 7714 | CMS Collaboration. Multiplicity and rapidity dependence of strange hadron production in pp, pPb, and PbPb collisions at the LHC[J]. PHYSICS LETTERS B,2017,768:103-129. |
APA | CMS Collaboration.(2017).Multiplicity and rapidity dependence of strange hadron production in pp, pPb, and PbPb collisions at the LHC.PHYSICS LETTERS B,768,103-129. |
MLA | CMS Collaboration."Multiplicity and rapidity dependence of strange hadron production in pp, pPb, and PbPb collisions at the LHC".PHYSICS LETTERS B 768(2017):103-129. |
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