洛伦兹不变性关系与Wandzura-Wilczek近似
高能物理 - 唯象学
2010-02-10 v1
摘要
给出了部分子分布函数之间所谓的洛伦兹不变性关系的完整列表，并讨论了它们的一些推论，例如Burkhardt-Cottingham求和规则。以模型无关的方式考虑了这些关系的破坏。结果表明，在广义的Wandzura-Wilczek近似下，若干洛伦兹不变性关系并未被破坏，这表明它们的数值破坏可能很小。
引用
@article{arxiv.0910.2567,
title = {Lorentz invariance relations and Wandzura-Wilczek approximation},
author = {T. Teckentrup and A. Metz and P. Schweitzer},
journal= {arXiv preprint arXiv:0910.2567},
year = {2010}
}
备注
10 pages; Proceedings of the workshop "Recent Advances in Perturbative QCD and Hadronic Physics", July 20-24, 2009, at ECT*, Trento (Italy), in honor of Anatoli V. Efremov on the occasion of his 75th birthday; to appear in Mod. Phys. Lett. A