# Open charm meson in nuclear matter at finite temperature beyond the zero range approximation

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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## Details Open charm meson in nuclear matter at finite temperature beyond the zero range approximation Open charm meson in nuclear matter at finite temperature beyond the zero range approximation

23 pages, 9 figures, 2 tables

Scientific paper

10.1103/PhysRevC.84.015208

The properties of open charm mesons, $D$, $\bar D$, $D_s$ and $\bar D_s$ in nuclear matter at finite temperature are studied within a self-consistent coupled-channel approach. The interaction of the low lying pseudoscalar mesons with the ground state baryons in the charm sector is derived from a $t$-channel vector-exchange model. The in-medium scattering amplitudes are obtained by solving the Lippmann-Schwinger equation at finite temperature including Pauli blocking effects, as well as $D$, $\bar D$, $D_s$ and $\bar D_s$ self-energies taking their mutual influence into account. We find that the in-medium properties of the $D$ meson are affected by the $D_s$-meson self-energy through the intermediate $D_s Y$ loops coupled to $DN$ states. Similarly, dressing the $\bar{D}$ meson in the $\bar{D}Y$ loops has an influence over the properties of the $\bar{D}_s$ meson.

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