On spectral temperatures of negative pions produced in d 12C, 4He12C, and 12C12C collisions at 4.2 A GeV/c
Khusniddin K. OlimovDepartment of Physics, COMSATS Institute of Information Technology, Islamabad, PakistanMahnaz Q. HaseebDepartment of Physics, COMSATS Institute of Information Technology, Islamabad, Pakistan
ABI
Abstract
The experimental transverse momentum distributions of negative pions produced in d 12C, 4He12C, and 12C12C collisions at 4.2 A GeV/c were analyzed in the framework of Hagedorn Thermodynamic Model. The spectral temperatures of π − mesons as well as their relative contributions to the total multiplicity of π − mesons were extracted from fitting the p t spectra by two-temperature Hagedorn function. The results were compared systematically with the earlier results obtained from analysis of non-invariant center-of-mass energy spectra of negative pions produced in the analyzed collisions.
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