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Analysis of Identified Particle Transverse Momentum Spectra Produced in pp, p–Pb and Pb–Pb Collisions at the LHC Using TP-like Function

Yang, Pei-Pin ; Duan, Mai-Ying ; Liu, Fu-Hu ; Sahoo, Raghunath

Symmetry (Basel), 2022-08, Vol.14 (8), p.1530 [Periódico revisado por pares]

Basel: MDPI AG

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Título:
Analysis of Identified Particle Transverse Momentum Spectra Produced in pp, p–Pb and Pb–Pb Collisions at the LHC Using TP-like Function
Autor: Yang, Pei-Pin ; Duan, Mai-Ying ; Liu, Fu-Hu ; Sahoo, Raghunath
Assuntos: Approximation ; Collisions ; constituent quarks ; Constituents ; Hadrons ; heavy-ion collisions ; Lead ; Mesons ; phenomenological Tsallis transverse momentum distribution ; Protons ; proton–proton collisions ; Quantum field theory ; Quarks ; Spectra ; Thermal analysis ; Transverse momentum ; transverse momentum spectra
É parte de: Symmetry (Basel), 2022-08, Vol.14 (8), p.1530
Descrição: In the framework of a multi-source thermal model at the partonic level, we have analyzed transverse momentum spectra of hadrons measured by the ALICE Collaboration in proton–proton (pp or p–p) collisions at the center-of-mass energy of s=7 and 13 TeV, proton–lead (p–Pb) collisions at sNN=5.02 TeV, and lead–lead (Pb–Pb) collisions at sNN=2.76 TeV. For mesons (baryons), the contributions of two (three) constituent quarks are considered, in which each quark contributes to hadron transverse momentum to obey the revised phenomenological Tsallis transverse momentum distribution for Maxwell–Boltzmann particles (the TP-like function, in short) with isotropic random azimuthal angles. Three main parameters, namely, the revised index a0, effective temperature T, and entropy-related index n, are obtained, showing the same tendency for both small and large systems with respect to the centrality (or multiplicity) of events, the rest mass of hadrons, and the constituent mass of quarks.
Editor: Basel: MDPI AG
Idioma: Inglês

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Analysis of Identified Particle Transverse Momentum Spectra Produced in pp, p–Pb and Pb–Pb Collisions at the LHC Using TP-like Function

Yang, Pei-Pin ; Duan, Mai-Ying ; Liu, Fu-Hu ; Sahoo, Raghunath

Basel: MDPI AG

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