中微子-核子散射与小x下基于领头阶和次领头阶DGLAP演化方程的xF3(x, Q2)结构函数
高能物理 - 唯象学
2013-10-09 v2
摘要
中微子-核子散射在其弱相互作用中产生宇称破坏项——非单态强子结构函数xF3(x,Q2),这对于理解强子内部在低Q2和小x区域内的价夸克分布具有重要意义。其中x是部分子的分数动量,Q2是深度非弹性散射过程中的四动量转移。本文通过求解Dokshitzer-Gribov-Lipatov-Altarelli-Parisi演化方程在小x极限下的领头阶和次领头阶,并采用获得唯一解的方法,得到了xF3(x,Q2)结构函数。结果与最近的实验数据和参数化进行了比较。此外,本文还对xF3(x,Q2)中的核效应进行了定性讨论。
引用
@article{arxiv.1101.2838,
title = {Neutrino-nucleon scattering and xF3(x, Q2) structure function from leading order and next-to-leading order DGLAP evolution equation at small-x},
author = {N M Nath and N Baruah and J K Sarma},
journal= {arXiv preprint arXiv:1101.2838},
year = {2013}
}
备注
8 pages, 3 figures This paper has been withdrawn due to the reason that it has been improved and some texts and equations will be replaced