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

Abstract

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.

23 pages, 9 figures, 2 tables

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• Heavy Hadrons in Nuclear Matter
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• Heavy quark dynamics for charm and bottom flavor on Fermi surface at zero temperature
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• D^- mesic atoms
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• Compositeness of the strange, charm and beauty odd parity $\Lambda$ states
• Charming mesons with baryons and nuclei
• Kondo effect in charm/bottom nuclei
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• In-medium pseudoscalar $D/B$ mesons and charmonium decay width
• Pseudoscalar and vector open-charm mesons at finite temperature
• Exotic dibaryons with a heavy antiquark
• Spin-isospin Kondo effects for ${\Sigma }_c$ and ${\Sigma }_c^{\ast }$ baryons and $\bar{D}$ and ${\bar{D}}^{\ast }$ mesons
• In-medium properties of pseudoscalar $D_s$ and $B_s$ mesons
• Spectral functions for $\bar{D}$ meson and ${\bar{D}}_0^{\ast }$ meson in nuclear matter with partial restoration of chiral symmetry
• Formation spectra of charmed meson--nucleus systems using an antiproton beam
• Masses and decay widths of scalar $D_0$ and $D_{s0}$ mesons in strange hadronic medium
• $D$ mesons as a probe of Casimir effect for chiral symmetry breaking
• Mesic nuclei with a heavy antiquark
• Heavy Mesons in Nuclear Matter and Nuclei