Pion, Kaon and nucleon gravitational form factors

Fuente: arXiv
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Autores principales: Yao, Zhao-Qian, Xu, Yin-Zhen, Binosi, Daniele, Ding, Minghui, Cui, Zhu-Fang, Raya, Khépani, Roberts, Craig D., Rodríguez-Quintero, José
Formato: Preprint
Publicado: 2025
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author Yao, Zhao-Qian
Xu, Yin-Zhen
Binosi, Daniele
Ding, Minghui
Cui, Zhu-Fang
Raya, Khépani
Roberts, Craig D.
Rodríguez-Quintero, José
author_facet Yao, Zhao-Qian
Xu, Yin-Zhen
Binosi, Daniele
Ding, Minghui
Cui, Zhu-Fang
Raya, Khépani
Roberts, Craig D.
Rodríguez-Quintero, José
contents A unified set of predictions for pion, kaon and nucleon gravitational form factors is obtained using a symmetry-preserving truncation of each relevant quantum field equation. A crucial aspect of the study is the self-consistent characterization of the dressed quark-graviton vertices, applied when probing each quark flavor inside mesons or nucleons. The calculations reveal that each hadron's mass radius is smaller than its charge radius, matching available empirical inferences; moreover, core pressures are significantly greater than those in neutron stars. This set of predictions is expected to be instrumental as forthcoming experiments provide opportunities for validation.
format Preprint
id arxiv_https___arxiv_org_abs_2503_23166
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Pion, Kaon and nucleon gravitational form factors
Yao, Zhao-Qian
Xu, Yin-Zhen
Binosi, Daniele
Ding, Minghui
Cui, Zhu-Fang
Raya, Khépani
Roberts, Craig D.
Rodríguez-Quintero, José
High Energy Physics - Phenomenology
A unified set of predictions for pion, kaon and nucleon gravitational form factors is obtained using a symmetry-preserving truncation of each relevant quantum field equation. A crucial aspect of the study is the self-consistent characterization of the dressed quark-graviton vertices, applied when probing each quark flavor inside mesons or nucleons. The calculations reveal that each hadron's mass radius is smaller than its charge radius, matching available empirical inferences; moreover, core pressures are significantly greater than those in neutron stars. This set of predictions is expected to be instrumental as forthcoming experiments provide opportunities for validation.
title Pion, Kaon and nucleon gravitational form factors
topic High Energy Physics - Phenomenology
url https://arxiv.org/abs/2503.23166