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

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

C.E. Jimenez-Tejero
(
- Barcelona U., ECM and
- Barcelona U.
)
,
A. Ramos
(
- Barcelona U., ECM and
- Barcelona U.
)
,
L. Tolos
(
- Barcelona, IEEC
)
,
I. Vidana
(
- Coimbra U.
)

Feb, 2011

23 pages

Published in:

Phys.Rev.C 84 (2011) 015208

e-Print:

1102.4786 [hep-ph]

DOI:

10.1103/PhysRevC.84.015208

View in:

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Citations per year

Abstract: (arXiv)

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.

14.20.Lq
21.65.-f
14.40.Lb
12.38.Lg
charmed meson
baryon: ground state
finite temperature
nuclear matter: saturation
Lippmann-Schwinger equation
scattering amplitude

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(
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