π介子分布振幅的端点行为
高能物理 - 唯象学
2010-11-04 v3
摘要
我们讨论了π介子分布振幅（DA）的端点行为，并使用非定域凝聚体的QCD求和规则计算了其斜率。这是通过标准导数以及我们最近获得的“积分导数”来完成的。我们的方法倾向于斜率值在渐近DA的量级（或更小），并且与平坦型π介子DA明显不一致。
引用
@article{arxiv.1010.4711,
title = {End-point behavior of the pion distribution amplitude},
author = {S. V. Mikhailov and A. V. Pimikov and N. G. Stefanis},
journal= {arXiv preprint arXiv:1010.4711},
year = {2010}
}
备注
13 pages, 5 figures, 3 tables, invited talk given by the second author at "QUARKS-2010, 16th International Seminar on High Energy Physics", Kolomna, Russia, 6-12 June, 2010. v2 An important reference is added with a corresponding insertion in the text. v3 minor typos corrected