轻标量夸克 - 反夸克态的双光子衰变
高能物理 - 唯象学
2008-12-18 v1
摘要
本文在局域和非局域两种方法下评估了轻标量夸克偶素的双光子衰变。结果表明，由三角夸克圈图驱动的双光子衰变，对于质量低于 0.7 GeV 的情况，其衰变宽度小于 1 keV。
引用
@article{arxiv.0804.3216,
title = {Two-photon decay of a light scalar quark-antiquark state},
author = {Francesco Giacosa},
journal= {arXiv preprint arXiv:0804.3216},
year = {2008}
}
备注
Presented at the workshop SCADRON 70 "Scalar Mesons and Related Topics" February 11-16, 2008, at IST in Lisbon, Portugal. 6 pages, 2 figures