通过HERA包容性 charm 电子产生约束质子的糖浆密度
高能物理 - 唯象学
2008-02-03 v2
摘要
我们分析了charm产生在深非弹性ep散射中能够否约束质子糖浆分布g(y,\mu^2)的能力。考察了理论预测对于charm结构函数F_2^c相对于质量分解尺度\mu和charm质量的依赖性。F_2^c似乎非常适合在小动量分数y下进行相对干净且局部的糖浆测量。
引用
@article{arxiv.hep-ph/9601352,
title = {Constraining the Proton's Gluon Density by Inclusive Charm Electroproduction at HERA},
author = {A. Vogt},
journal= {arXiv preprint arXiv:hep-ph/9601352},
year = {2008}
}
备注
6 pages LateX, 4 eps-figures, additional style file procl.sty included. Invited talk presented at the International Workshop on Deep Inelastic Scattering and Related Phenomena (DIS'96), Rome, Italy, April 15--19, 1996. To appear in the proceedings. Changes wrt original version of January: Numerical results updated using the improved coefficient function parametrization of Riemersma et al. (without changing any conclusions), text slightly modified (mainly shortened)