Centrality-Dependent Lelysis in √SNN=5.02 TeV PbPb Collisions at CMS

被引:4
作者
Korodi, Balazs [1 ]
CMS Collaboration [1 ]
机构
[1] Eotvos Lorand Univ, Fac Sci, Dept Atom Phys, Pazmany Peter Setany 1-A, H-1111 Budapest, Hungary
关键词
heavy ions; quark-gluon plasma; femtoscopy; Levy HBT; BOSE-EINSTEIN CORRELATIONS; PARTICLE INTERFEROMETRY; ANOMALOUS DIFFUSION; QCD;
D O I
10.3390/universe9070318
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The measurement of two-particle Bose-Einstein momentum correlation functions are presented using vS(NN)=5.02 TeV PbPb collision data, recorded by the CMS experiment in 2018. The measured correlation functions are discussed in terms of Levy-type source distributions. The Levy source parameters are extracted as functions of transverse mass and collision centrality. These source parameters include the correlation strength ?, the Levy stability index a, and the Levy scale parameter R. The source shape, characterized by a, is found to be neither Gaussian nor Cauchy. A hydrodynamic-like scaling of R is also observed.
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页数:14
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