Amb motiu del tancament d'estiu, la validació de documents es reprendrà a partir del 28 d'agost de 2026. Disculpeu les molèsties.
Con motivo del cierre de verano, la validación de documentos se reanudará a partir del 28 de agosto de 2026. Disculpad las molestias
Due to the summer closure, document validation will resume starting August 28, 2026. We apologize for any inconvenience.

Files

555562.pdf (605.21 KB)

Document type

Article

Version

Published version

Publication date

2006

All rights reserved

Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/12211

D mesons in nuclear matter: A DN coupled-channel equations approach

Journal Title

Authors

Director/Tutor

Journal ISSN

Volume Title

Related resource

http://dx.doi.org/10.1103/PhysRevC.74.065201

Abstract

A set of coupled two-body scattering equations is solved for the DN system embedded in an iso-symmetric nuclear matter. The in-medium behavior of charmed D mesons: (D^+,D^0), is investigated from the self-consistent solution within this scheme. The effective meson-baryon Lagrangian in charm quantum number one sector, the key ingredient in the present study, is adopted from a recent model by Hofmann and Lutz which has aimed at combining the charmed meson degree of freedom in a consistent manner with chiral unitary models. After a critical examination, the original model is modified in several important aspects, such as the method of regularization, in order to be more consistent and practical for our objective. The resultant interaction is used to reproduce the position and width of the s-wave \Lambda_c(2593) resonance in the isospin zero DN channel. In the isospin one channel, it generates a rather wide resonance at \~2770 MeV. The corresponding in-medium solution is then sought by incorporating Pauli blocking and the D- and \pi-meson dressing self-consistently. At normal nuclear matter density, the resultant \Lambda_c (2593) is found to stay narrow and shifted at a lower energy, while the I=1 resonance is lowered in position as well and broadened considerably. The possible implication of our findings on the J/\Psi suppression, etc. in relativistic heavy ion collisions is briefly discussed.

Subject

Propietats de la matèria, Estructura nuclear, Mesons (Física nuclear)

Subject (English)

Properties of matter, Nuclear structure, Mesons

Citation

Collections

Articles publicats en revistes (Física Quàntica i Astrofísica)

Citation

MIZUTANI, Tetsuro and RAMOS GÓMEZ, Àngels. D mesons in nuclear matter: A DN coupled-channel equations approach. Physical Review C. 2006. Vol. 74, num. 6, pags. 065201-1-065201-14. ISSN 0556-2813. [consulted: 8 of August of 2026]. Available at: https://hdl.handle.net/2445/12211

Export metadata

JSON - METS

Share record