The Quark-Meson Coupling model as a description of dense matter

Autor:	Carroll, J. D.
Rok vydání:	2010
Předmět:	High Energy Physics - Phenomenology Astrophysics - Solar and Stellar Astrophysics Nuclear Theory
Druh dokumentu:	Working Paper
DOI:	10.1063/1.3647126
Popis:	Quantum Hadrodynamics provides a useful framework for investigating dense matter, yet it breaks down easily when strangeness carrying baryons are introduced into the calculations, as the baryon effective masses become negative due to large meson field potentials. The Quark-Meson Coupling model overcomes this issue by incorporating the quark structure of the nucleon, thus allowing for a feedback between the the nuclei and the interaction with the meson fields. With the inclusion of this feature, QMC provides a successful description of finite nuclei and nuclear matter. We present the latest parameterization of QMC and discuss the predictions for dense nuclear matter and `neutron' stars. Comment: 3 pages, 2 figures. Talk given at 12th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon (MENU 2010), Williamsburg, Virginia, 31 May -- 4 Jun 2010
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1010.3759 Zobrazit plný text záznamu View this record from Arxiv