Sketching pion and proton mass distributions

被引：0
|
作者：
Wang, Xiaobin [1 ]
Xing, Zanbin [1 ]
Chang, Lei [1 ]
Ding, Minghui [2 ,3 ]
Raya, Khepani [4 ,5 ]
Roberts, Craig D. [2 ,3 ]
机构：
[1] Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China
[2] Nanjing Univ, Sch Phys, Nanjing 210093, Jiangsu, Peoples R China
[3] Nanjing Univ, Inst Nonperturbat Phys, Nanjing 210093, Jiangsu, Peoples R China
[4] Univ Huelva, Dept Integrated Sci, E-21071 Huelva, Spain
[5] Univ Huelva, Ctr Adv Studies Phys Math & Computat, E-21071 Huelva, Spain
来源：
PHYSICS LETTERS B | 2025年 / 862卷
基金：
中国国家自然科学基金;
关键词：
Continuum Schwinger function methods; Elastic electromagnetic form factors; Elastic gravitational form factors; Emergence of mass; Nambu-Goldstone bosons; Nucleons; NUCLEON;
D O I：
10.1016/j.physletb.2025.139280
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A light-front holographic model is used to illustrate an algebraic scheme for constructing a representation of a hadron's zero-skewness generalised parton distribution (GPD) from its valence-quark distribution function (DF) and electromagnetic form factor, FH, without reference to deeply virtual Compton scattering data. The hadron's mass distribution gravitational form factor, AH, calculated from this GPD is harder than FH; and, for each hadron, the associated mass-density profile is more compact than the analogous charge profile, with each pion near-core density being larger than that of its proton partner. These features are independent of the scheme employed.
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收藏
页数：6
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