On spectral temperatures of negative pions produced in d
12C, 4He12C, and 12C12C collisions at 4.2 A GeV/c |
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Authors: | Kh K Olimov Mahnaz Q Haseeb |
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Institution: | 19930. Department of Physics, COMSATS Institute of Information Technology, Islamabad, Pakistan 29930. Physical-Technical Institute of SPA “Physics-Sun” of Uzbek Academy of Sciences, Tashkent, Republic of Uzbekistan
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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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