Transverse Mass Spectra in Highenergy Heavyion Collisions
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Graphical Abstract
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Abstract
Based on the multisource ideal gas model, which do not consider the dynamic mechanism of particles, two formulae are given to describe the transverse mass distributions of protons, kaons and pions produced in central heavy ion collisions at high energies. In the case of neglecting the relativistic effect, our calculated results approximately describe the experimental data, except for pions. By considering the subsamples of the sources, it is found that our calculated results are in good agreement with the experimental data in the central AuAu and PbPb collisions at high energies.
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