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Factorisation schemes for proton PDFs

delete2025-05-08
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OA
AI
S
Stéphane Delorme
A
Aleksander Kusina
A
Andrzej Siódmok
J
James Whitehead *
DOI:10.1140/epjc/s10052-025-14194-xdelete
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摘要

摘要

En 中文
超越领头阶,微扰QCD需要选择一个因子化方案来定义部分子分布函数(PDFs)和硬过程的截面。修正的最小减除(MS\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${\overline{\textrm{MS}}}$$\end{document})方案因其简单性长期以来被用作默认选择。为特定目的提出了替代方案,包括最近的部分子分布函数正定性和NLO部分子 shower 匹配。在本文中,我们首次将这些方案汇编到一种通用符号体系中。我们对其特征进行了详细的分析和数值比较,并估计了由此产生的因子化方案不确定性对LHC现象学的影响。
Keyword:
DEEP-INELASTIC SCATTERING
PRODUCTION CROSS-SECTION
ORDER QCD PREDICTIONS
TO-LEADING ORDER
PARTON DISTRIBUTIONS
BOSON PRODUCTION
EP SCATTERING
HEAVY QUARKS
FIXED-TARGET
RESUMMATION

期刊

European Physical Journal C 封面图
European Physical Journal C
IF:
4.8
论文数:
1.8W
被引数:
4.7W

机构

U
Univ Silesia
学者数:
78
论文数: 44
被引数: 11
P
Polish Acad Sci
学者数:
1.5K
论文数: 698
被引数: 171
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