JLab 能量下硬过程与软过程的相互影响
高能物理 - 唯象学
2007-05-23 v1
摘要
即使在中等能量机器上,也存在一个区域,其中硬 π 介子电产生过程可以通过微扰可计算的过程进行。我们声称,该过程并非领头扭度碎裂过程,而是产生运动学孤立 π 介子的高扭度过程。半单举数据可能使我们更多地了解靶的部分子分布函数和 π 介子分布振幅。此外,这与专属过程的广义部分子分布计算存在联系,因为两者的微扰核是相同的。
引用
@article{arxiv.hep-ph/0212376,
title = {Interplay of Hard and Soft Processes at JLab Energies},
author = {Andrei Afanasev and Carl E. Carlson},
journal= {arXiv preprint arXiv:hep-ph/0212376},
year = {2007}
}
备注
8 pages, 9 figures, Written version of invited talk by CEC at the Second International Symposium on the Gerasimov-Drell-Hearn sum rule and the spin structure of the nucleon (GDH2002), Genoa, Italy, 3--6 July 2002, and of talk by CEC under the title ``Hard Pion Electroproduction at Medium Energies'' at the XVI International Conference on Particles and Nuclei (PANIC02), Osaka, Japan, 30 September--4 October 2002 [WM-02-111; JLAB-THY-02-62]