Role of sea quarks in the nucleon transverse spin

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成果类型：

期刊论文

作者：

Zeng, Chunhua;Dong, Hongxin;Liu, Tianbo;Sun, Peng;Zhao, Yuxiang

通讯作者：

Zeng, CH

作者机构：

[Zeng, Chunhua; Zeng, CH; Sun, Peng; Zhao, Yuxiang] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China.

[Zeng, Chunhua; Zeng, CH] Lanzhou Univ, Lanzhou 730000, Gansu, Peoples R China.

[Zeng, Chunhua; Zeng, CH; Sun, Peng; Zhao, Yuxiang] Univ Chinese Acad Sci, Beijing 100049, Peoples R China.

[Dong, Hongxin] Nanjing Normal Univ, Dept Phys, Nanjing 210023, Jiangsu, Peoples R China.

[Dong, Hongxin] Nanjing Normal Univ, Inst Theoret Phys, Nanjing 210023, Jiangsu, Peoples R China.

通讯机构：

[Zeng, CH ] C

Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China.

Lanzhou Univ, Lanzhou 730000, Gansu, Peoples R China.

Univ Chinese Acad Sci, Beijing 100049, Peoples R China.

语种：

英文

期刊：

PHYSICAL REVIEW D

ISSN：

2470-0010

年：

2024

卷：

109

期：

页码：

056002

DOI：

10.1103/PhysRevD.109.056002

基金类别：

Strategic Priority Research Program of the Chinese Academy of Sciences [XDB34000000]; Guangdong Major Project of Basic and Applied Basic Research [2020B0301030008]; Guangdong Provincial Key Laboratory of Nuclear Science [2019B121203010]; National Natural Science Foundation of China [12175117, 12321005, 11975127, 12061131006]; Shandong Provincial Natural Science Foundation [ZFJH202303]

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：

We present a phenomenological extraction of transversity distribution functions and Collins fragmentation functions by simultaneously fitting to semi -inclusive deep inelastic scattering and electron -positron annihilation data. The analysis is performed within the transverse -momentum -dependent factorization formalism, and sea quark transversity distributions are taken into account for the first time. We find the u over bar quark favors a negative transversity distribution, while that of the d over bar quark is consistent with zero according to the current accuracy. In addition, based on a c...

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Role of sea quarks in the nucleon transverse spin

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