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Pseudorapidity Distributions of Charged Particles Produced in pp Collisions at the CERN LHC Energies
Jian-Xin Sun,Cai-Xing Tian,Er-Qin Wang,Fu-Hu Liu 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.5
The pseudorapidity distributions of charged particles produced in pp collisions at the CERN Large Hadron Collider (LHC) energies (0.9, 2.36, and 7 TeV) are studied by using the multisource thermal model. A group of extrapolated equations is used to determine various parameters. The calculated results are in agreement with the experimental data of the ALICE and CMS Collaborations at the LHC.
Jin-Ming Feng,Cai-Xing Tian,Rui-Fang Si,Fu-Hu Liu 한국물리학회 2012 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.61 No.4
A shift three-source model is used in this paper to describe the multiplicity and the pseudorapidity distributions of final-state charged particles produced in proton-proton collisions at energies available at the Large Hadron Collider (LHC). The three kinds of sources are central sources arising from gluon-gluon collisions, target fragmentation sources arising from gluon- or quark-induced collisions with target quarks, and projectile fragmentation sources arising from gluon- or quark-induced collisions with projectile quarks. The central, target fragmentation, and projectile fragmentation sources each have shifts around their centers. The results calculated by using the shift three-source model are in agreement with the experimental data of the ALICE (A Large Ion Collider Experiment) and the CMS (Compact Muon Solenoid experiment) Collaborations.