重-轻介子的淬火手征微扰论
高能物理 - 唯象学
2010-11-01 v2
摘要
淬火手征微扰论被推广到包含重-轻介子。然后计算了衰变常数、Isgur-Wise函数以及重介子质量和混合的非解析修正。结果用于估计格点计算中淬火对这些量的误差。对于合理的参数选择,发现淬火对f_Bs/f_B有强烈影响,使其降低多达28%。对于Isgur-Wise函数和混合参数,误差基本可以忽略。
关键词
引用
@article{arxiv.hep-ph/9411433,
title = {Quenched Chiral Perturbation Theory for Heavy-Light Mesons},
author = {Michael J. Booth},
journal= {arXiv preprint arXiv:hep-ph/9411433},
year = {2010}
}
备注
12 pages, Latex, 4 postscript figures (included seperately). Complete postscript available in http://www.phys.ufl.edu/~booth/papers/quenched.ps.gz. A few typos corrected; minor changes to text