非局域夸克模型中标量σ介子的有限温度性质
高能物理 - 唯象学
2009-11-11 v2
摘要
在基于夸克Dyson-Schwinger方程和介子Bethe-Salpeter方程的可分离相互作用核的非局域模型框架下，研究了π介子和σ介子束缚态的性质及其温度行为。考虑了去禁闭和手征恢复相变之上和之下的M_pi(T)、f_pi(T)、M_sigma(T)和Gamma_{sigma -> pi pi}(T)。
关键词
引用
@article{arxiv.hep-ph/0508264,
title = {Scalar sigma meson at finite temperature in nonlocal quark model},
author = {D. Blaschke and Yu. L. Kalinovsky and A. E. Radzhabov and M. K. Volkov},
journal= {arXiv preprint arXiv:hep-ph/0508264},
year = {2009}
}
备注
8 pages, 2 figures, Talk at the Round Table Discussion "Searching for the mixed phase of strongly interacting matter at the JINR Nuclotron", JINR, Dubna, July 7 - 9, 2005. Submitted to Phys.Part.Nucl.Lett