Hadron production with collinearly-improved unintegrated gluon distributions in high energy proton-proton collisions

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成果类型：

期刊论文

作者：

Zhao, Wenduo;Xiang, Wenchang;Wang, Mengliang;Cai, Yanbing;Zhou, Daicui

通讯作者：

Xiang, W.

作者机构：

[Xiang, Wenchang; Zhao, Wenduo] Guizhou Univ, Dept Phys, Guiyang 550025, Peoples R China.

[Xiang, Wenchang] Guizhou Univ Finance & Econ, Guizhou Key Lab Big Data Stat Anal, Guiyang 550025, Peoples R China.

[Xiang, Wenchang; Wang, Mengliang; Cai, Yanbing] Guizhou Univ Finance & Econ, Guizhou Key Lab Phys & Related Areas, Guiyang 550025, Guizhou, Peoples R China.

[Zhou, Daicui] Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Peoples R China.

[Zhou, Daicui] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China.

通讯机构：

[Xiang, W.] G

Guizhou Key Laboratory of Big Data Statistic Analysis, China

语种：

英文

关键词：

color glass condensate;small x physics;gluon saturation

期刊：

中国物理C

ISSN：

1674-1137

年：

2022

卷：

期：

页码：

197-207

DOI：

10.1088/1674-1137/ac6dac

基金类别：

Supported by the National Natural Science Foundation of China (12165004, 12061141008, 11975005), Guizhou Provincial Science and Technology Projects ([2019]5103, [2019]5653), the Education Department of Guizhou Province (KY[2021]131), the National Key Research and Development Program of China (2018YFE0104700, 2018YFE01014800)

机构署名：

本校为其他机构

院系归属：

物理科学与技术学院

摘要：

The collinearly-improved Balitsky-Kovchegov (ciBK) equation evolved unintegrated gluon distribution (UGD) is used for the first time to study hadron production in high energy proton-proton collisions in order to improve the predictive power of the Color Glass Condensate effective theory. We show that the ciBK equation evolved UGD provides a relatively better description of LHC data on the transverse momentum and integrated multiplicity distributions of charged hadron and neutral pion production for several collision energies compared with the running coupling Balitsky-Kovchegov (rcBK) equation...

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Hadron production with collinearly-improved unintegrated gluon distributions in high energy proton-proton collisions

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