activity
20212026
most citedDispersive Determination of Nucleon Gravitational Form Factors

15 citations · 66 across the 19 of their papers we have counts for

collaborators

19 papers

hep-ph2026

Low-energy scattering of the and system

Jiang Yan, Xiong-Hui Cao, Meng-Lin Du +1

We investigate the low-energy interactions between the charmonium state and the light pseudoscalar mesons ( and ) within the framework of dispersion relations. We demon…

hep-ph2025

Renormalization of chiral perturbation theory with spinless matter field in curved spacetime

Cheng-Cheng Li, Xiong-Hui Cao, Feng-Kun Guo

We generalize chiral perturbation theory with spinless matter fields in the fundamental representation of to curved spacetime in the presence of an external gravitati…

hep-ph2025★ 1 cited

Dispersive analysis of the transition form factor with - mixing effects

Xiong-Hui Cao, Feng-Kun Guo, Christoph Hanhart +1

Motivated by the discrepancies noted recently between the theoretical predictions of the electromagnetic transition form factor and the BESIII data, we reanalyze t…

hep-ph2025

Revisiting Roy-Steiner-equation analysis of pion-kaon scattering from lattice QCD data

Xiong-Hui Cao, Feng-Kun Guo, Zhi-Hui Guo +1

A comprehensive analysis of and amplitudes at large unphysical pion mass for all important partial waves is presented. A set of crossing-…

hep-ph2025★ 3 cited

Discontinuity calculus and applications to two-body coupled-channel scattering

Hao-Jie Jing, Xiong-Hui Cao, Feng-Kun Guo

We present a novel method, termed discontinuity calculus, for computing discontinuities of complex functions. This framework enables a systematic investigation of both analytic con…

hep-ph2025★ 5 cited

Gravitational form factors of pions, kaons and nucleons from dispersion relations

Xiong-Hui Cao, Feng-Kun Guo, Qu-Zhi Li +2

The gravitational form factors of pions, kaons and the nucleons are investigated by employing modern dispersive techniques and chiral perturbation theory. We determine the gravitat…

hep-ph2025

Axion-like particle production from lepton-nucleon scattering in chiral effective theory

Qian-Qian Guo, Xiong-Hui Cao, Zhi-Hui Guo +1

In this work we study the axion/axion-like particle production from the lepton-nucleon scattering in the low-energy region, i.e., the processes, being t…

hep-ph2024

Rigorous Roy-Steiner equation analysis of scattering at unphysical quark masses

Xiong-Hui Cao, Feng-Kun Guo, Zhi-Hui Guo +1

We perform a rigorous analysis of the scattering at an unphysical pion mass 391 MeV using the Roy-Steiner equations, which satisfy unitarity, analyticity and crossing symmetry…

hep-ph2024★ 15 cited

Dispersive Determination of Nucleon Gravitational Form Factors

Xiong-Hui Cao, Feng-Kun Guo, Qu-Zhi Li +1

Being closely connected to the origin of the nucleon mass, the gravitational form factors of the nucleon have attracted significant attention in recent years. We present the first…

hep-ph2024

Comprehensive study of axion photoproduction off the nucleon in chiral effective field theory

Xiong-Hui Cao, Zhi-Hui Guo

We calculate the amplitudes of the axion photoproduction off the nucleon, i.e., , within the framework of chiral effective field theory. Several different types of cont…

hep-ph2024

Double pion photoproduction off nucleons in covariant chiral perturbation theory

Kai-Ge Kang, Xiong-Hui Cao, De-Liang Yao +1

The double pion photoproduction off nucleons near threshold is analyzed in a covariant baryon chiral perturbation theory up to next to leading order, where the , $N^*(1400…

hep-ph2024★ 11 cited

exchange in the one-boson exchange model involving the ground state octet baryons

Bing Wu, Xiong-Hui Cao, Xiang-Kun Dong +1

Based on the one-boson-exchange framework that the meson serves as an effective parameterization for the correlated scalar-isoscalar interaction, we calculate the coupling…

hep-ph2024★ 3 cited

Photoproduction of the beyond vector meson dominance: the open-charm coupled-channel mechanism

Xiong-Hui Cao, Meng-Lin Du, Feng-Kun Guo

Hidden-charm exotic hadrons will be searched for and investigated at future electron-ion colliders. For instance, the can be produced through the exclusive process $γp\to…

hep-lat2023★ 2 cited

Nucleon electric polarizabilities and nucleon-pion scattering at physical pion mass

Xuan-He Wang, Zhao-Long Zhang, Xiong-Hui Cao +5

We present a lattice QCD calculation of the nucleon electric polarizabilities at the physical pion mass. Our findings reveal the substantial contributions of the states to the…

hep-ph2023★ 1 cited

Roy equation analyses of scatterings at unphysical pion masses

Xiong-Hui Cao, Qu-Zhi Li, Zhi-Hui Guo +1

An extended Roy equation including a bound state pole is used to study scatterings at unphysical large pion masses when becomes a bound state in one situation and stays as…

hep-ph2022★ 12 cited

A possible subthreshold pole in channel from Roy-Steiner equation analyses

Xiong-Hui Cao, Qu-Zhi Li, Han-Qing Zheng

The hyperbolic version of Roy-Steiner equation describing low energy scatterings, with larger analyticity domain in the complex plane is solved. The numerical results on p…

hep-ph2022★ 1 cited

A dispersive analysis of low energy pion photo- and electroproduction

Xiong-Hui Cao, Yao Ma

A dispersive representation based on unitarity and analyticity is used to study the low energy partial wave amplitudes. Final state interactio…

hep-ph2021★ 7 cited

Radiative Correction to Lepton Proton Scatterings in Manifestly Lorentz-Invariant Chiral Perturbation Theory

Xiong-Hui Cao, Qu-Zhi Li, Han-Qing Zheng

Manifestly Lorentz-invariant baryon chiral perturbation theory is used to calculate the radiative correction of low energy elastic lepton proton scatterings. Corrections of differe…

nucl-th2021★ 5 cited

Dispersive analysis of low energy process

Xiong-Hui Cao, Yao Ma, Han-Qing Zheng

We use a dispersion representation based on unitarity and analyticity to study the low energy process in the channel. Final state interactions among…