Energy dependent chemical potentials of light hadrons and quarks based on transverse momentum spectra and yield ratios of negative to positive particles
Xing-Wei He,
Feng-Min Wu,
Hua-Rong Wei
et al.
Abstract:We describe the transverse momentum (or mass) spectra of π ± , K ± , p, and p produced in central gold-gold (Au-Au), central lead-lead (Pb-Pb), and inelastic proton-proton (pp) collisions at different collision energies range from the AGS to LHC by using a two-component (in most cases) Erlang distribution in the framework of multi-source thermal model. The fitting results are consistent with the experimental data and the energy-dependent chemical potentials of light hadrons (π, K, and p) and quarks (u, d, and … Show more
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