D and D* meson mixing in spin-isospin correlated cold nuclear matter

Daiki Suenaga, Bing-Ran He, Yong-Liang Ma, and Masayasu Harada
Phys. Rev. C 89, 068201 – Published 25 June 2014

Abstract

We propose to study the mass spectrum of the heavy-light mesons to probe the structure of the spin-isospin correlation in the nuclear medium. We point out that the spin-isospin correlation in the nuclear medium generates a mixing among the heavy-light mesons carrying different spins and isospins such as D+, D0, D*+, and D*0 mesons. We use two types of correlations motivated by the skyrmion crystal and the chiral density wave as typical examples to obtain the mass splitting caused by the mixing. Our result shows that the structure of the mixing reflects the pattern of the correlation, i.e., the remaining symmetry. Furthermore, the magnitude of the mass modification provides information of the strength of the correlation.

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  • Received 6 April 2014

DOI:https://doi.org/10.1103/PhysRevC.89.068201

©2014 American Physical Society

Authors & Affiliations

Daiki Suenaga1,*, Bing-Ran He1,†, Yong-Liang Ma1,2,‡, and Masayasu Harada1,§

  • 1Department of Physics, Nagoya University, Nagoya, 464-8602, Japan
  • 2College of Physics, Jilin University, Changchun, 130012, China

  • *suenaga@hken.phys.nagoya-u.ac.jp
  • he@hken.phys.nagoya-u.ac.jp
  • yongliangma@jlu.edu.cn
  • §harada@hken.phys.nagoya-u.ac.jp

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Issue

Vol. 89, Iss. 6 — June 2014

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