具有阶间相关不确定性的 LO、NLO 和 NNLO 部分子分布函数
高能物理 - 唯象学
2014-04-18 v2
摘要
报告了用于领头阶 (LO)、次领头阶 (NLO) 和次次领头阶 (NNLO) QCD 计算的质子部分子分布函数 (PDFs) 组。利用 HERA 实验数据，通过 HERAFitter 程序确定部分子分布函数，并保留 LO、NLO 和 NNLO PDF 组之间不确定性的相关性。利用这些组研究在不同 QCD 阶数下计算的截面比及其不确定性。如果在 LHC 上计算 双玻色子与 玻色子产生截面之比时考虑 PDF 组之间的相关性，则观察到整体理论不确定性的降低。
引用
@article{arxiv.1404.4234,
title = {Parton distribution functions at LO, NLO and NNLO with correlated uncertainties between orders},
author = {HERAFitter developers' team and : and P. Belov and D. Britzger and S. Camarda and A. M. Cooper-Sarkar and C. Diaconu and J. Feltesse and A. Gizhko and A. Glazov and V. Kolesnikov and K. Lohwasser and A. Luszczak and V. Myronenko and H. Pirumov and R. Placakyte and K. Rabbertz and V. Radescu and A. Sapronov and A. Schoening and S. Shushkevich and W. Slominski and P. Starovoitov and M. Sutton and J. Tomaszewska and O. Turkot and G. Watt and K. Wichmann and M. Lisovyi},
journal= {arXiv preprint arXiv:1404.4234},
year = {2014}
}
备注
10 pages, 5 figures