On Two-Ridge Structure in Two-Particle Azimuthal Correlations in Proton-Lead Collisions at Large Hadron Collider Energy

Two-particle azimuthal correlations are studied in the framework of a multisource thermal model. Each source is assumed to produce many particles. Each particle pair measured in final state is considered to be produced at two emission points (subsources) in a single or two sources. The first emissio...

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Main Authors: Fu-Hu Liu, Tian Tian, Ya-Qin Gao
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Advances in High Energy Physics
Online Access:http://dx.doi.org/10.1155/2014/296145
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author Fu-Hu Liu
Tian Tian
Ya-Qin Gao
author_facet Fu-Hu Liu
Tian Tian
Ya-Qin Gao
author_sort Fu-Hu Liu
collection DOAJ
description Two-particle azimuthal correlations are studied in the framework of a multisource thermal model. Each source is assumed to produce many particles. Each particle pair measured in final state is considered to be produced at two emission points (subsources) in a single or two sources. The first emission point corresponds to the production of “trigger” particle and the second one corresponds to that of “associated” particle. There are oscillations and other interactions between the two emission points. In the rest frame of the “associated” particle's emission point, the oscillations and other interactions cause the momentum of the “trigger” particle to depart from the original value. The modelling results are in agreement with the experimental data of proton-lead (p-Pb) collisions at sNN = 5.02 TeV, one of the Large Hadron Collider energies, measured by the ALICE and ATLAS Collaborations.
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spelling doaj-art-c0d52f6c95054766b5e0630a0fcfbc142025-08-20T03:23:26ZengWileyAdvances in High Energy Physics1687-73571687-73652014-01-01201410.1155/2014/296145296145On Two-Ridge Structure in Two-Particle Azimuthal Correlations in Proton-Lead Collisions at Large Hadron Collider EnergyFu-Hu Liu0Tian Tian1Ya-Qin Gao2Institute of Theoretical Physics, Shanxi University, Taiyuan, Shanxi 030006, ChinaInstitute of Theoretical Physics, Shanxi University, Taiyuan, Shanxi 030006, ChinaInstitute of Theoretical Physics, Shanxi University, Taiyuan, Shanxi 030006, ChinaTwo-particle azimuthal correlations are studied in the framework of a multisource thermal model. Each source is assumed to produce many particles. Each particle pair measured in final state is considered to be produced at two emission points (subsources) in a single or two sources. The first emission point corresponds to the production of “trigger” particle and the second one corresponds to that of “associated” particle. There are oscillations and other interactions between the two emission points. In the rest frame of the “associated” particle's emission point, the oscillations and other interactions cause the momentum of the “trigger” particle to depart from the original value. The modelling results are in agreement with the experimental data of proton-lead (p-Pb) collisions at sNN = 5.02 TeV, one of the Large Hadron Collider energies, measured by the ALICE and ATLAS Collaborations.http://dx.doi.org/10.1155/2014/296145
spellingShingle Fu-Hu Liu
Tian Tian
Ya-Qin Gao
On Two-Ridge Structure in Two-Particle Azimuthal Correlations in Proton-Lead Collisions at Large Hadron Collider Energy
Advances in High Energy Physics
title On Two-Ridge Structure in Two-Particle Azimuthal Correlations in Proton-Lead Collisions at Large Hadron Collider Energy
title_full On Two-Ridge Structure in Two-Particle Azimuthal Correlations in Proton-Lead Collisions at Large Hadron Collider Energy
title_fullStr On Two-Ridge Structure in Two-Particle Azimuthal Correlations in Proton-Lead Collisions at Large Hadron Collider Energy
title_full_unstemmed On Two-Ridge Structure in Two-Particle Azimuthal Correlations in Proton-Lead Collisions at Large Hadron Collider Energy
title_short On Two-Ridge Structure in Two-Particle Azimuthal Correlations in Proton-Lead Collisions at Large Hadron Collider Energy
title_sort on two ridge structure in two particle azimuthal correlations in proton lead collisions at large hadron collider energy
url http://dx.doi.org/10.1155/2014/296145
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AT yaqingao ontworidgestructureintwoparticleazimuthalcorrelationsinprotonleadcollisionsatlargehadroncolliderenergy