夸克离壳效应对DIS和Drell-Yan过程的影响
高能物理 - 唯象学
2009-11-10 v1
摘要
我们研究了ep深度非弹性散射和pp碰撞中Drell-Yan轻子对产生的微扰QCD截面的高扭度修正。这些修正源于主动夸克与旁观部分子的初态相互作用。通过用唯象的单参数Breit-Wigner谱函数修饰入射夸克线并考虑完整的离壳运动学来计算这种相互作用的影响。通过分析费米实验室E866实验的Drell-Yan三重微分截面数据，估计了质子中的夸克宽度。
引用
@article{arxiv.hep-ph/0411297,
title = {Effect of quark off-shellness in DIS and the Drell-Yan process},
author = {O. Linnyk and S. Leupold and U. Mosel},
journal= {arXiv preprint arXiv:hep-ph/0411297},
year = {2009}
}
备注
talk on the conference "Lepton Scattering and the Structure of Hadrons and Nuclei," Erice, 16 - 24 Sept. 2004; 2 pages, 4 figures, to be published in "Progress in Particle and Nuclear Physics"