Effect of in-medium mass-shift on transverse-momentum spectrum and elliptic anisotropy of meson
arXiv:1903.02997 · doi:10.1142/S0218301320500470
Abstract
We study the effect of in-medium mass-shift on transverse-momentum spectrum and elliptic anisotropy of meson. It is found that the mass-shift enhances the yields and suppresses the elliptic flow in large momentum region, and the effects increase with the increasing mass-shift. The effects are various for different sources and decrease with the increasing expanding velocity. We further study the effects for parts of all meson with mass-shift, and the effects decrease with the decreasing probability of meson with mass-shift. Since the different mass-shift lead to different transverse-momentum spectrum and , our study may provide a way to restrict the ranges of in-medium mass-shift of meson in high-energy heavy-ion collisions.
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