横向性部分子分布函数的研究现状:双强子碎裂函数方法
高能物理 - 唯象学
2012-06-11 v1
摘要
我们报告了从e+e-湮灭中背对背喷注内两个强子对的半包含产生中提取双强子碎裂函数(DiFF)的情况。相反π+π-对的方向角关联中的非零不对称性与通过显著极化DiFF的碎裂夸克的横向极化有关。对该不对称性和SIDIS过程ep↑→e'(π+π-)X中自旋不对称性的联合分析,首次在共线因子化框架内提取了u和d味横向性部分子分布函数。
引用
@article{arxiv.1206.1836,
title = {Status on the transversity parton distribution: the dihadron fragmentation functions way},
author = {A. Courtoy and Alessandro Bacchetta and Marco Radici},
journal= {arXiv preprint arXiv:1206.1836},
year = {2012}
}
备注
To appear in the proceedings of the XX International Workshop on Deep-Inelastic Scattering, Bonn, Germany, March 26-30, 2012 and of the Sixth International Conference on Quarks and Nuclear Physics, Palaiseau, France, April 16-20, 2012. Contain DISproc.cls and .bst