activity
20242026
collaborators

6 papers

hep-ph2026

Systematic study of exotic tetraquark spectroscopy

Kai Xu, Zheng Zhao, Nattapat Tagsinsit +4

The masses of exotic quantum-number compact tetraquark states are calculated in a constituent quark model, where a Cornell-like potential is employed as the central potent…

hep-ph2026

Study of P wave charmoniumlike and bottomoniumlike tetraquark spectroscopy

Zheng Zhao, Attaphon Kaewsnod, Kai Xu +4

The masses of P-wave charmonium-like and bottomonium-like tetraquark states are calculated in a constituent quark model (CQM) where the Cornell-like potential and Breit-Fe…

hep-ph2025

Helicity amplitudes of and including pentaquark components

Kai Xu, Attaphon Kaewsnod, Zheng Zhao +2

We investigate the helicity amplitudes of the and resonances in the electromagnetic transition process $γ^*p\to N^*$, where the and are ass…

hep-ph2025

Radiative decay of states in effective Lagrangian approach

Thanat Sangkhakrit, Attaphon Kaewsnod, Ayut Limphirat +4

The state, first observed by the Belle collaboration with its quantum numbers identified as , has been the subject of extensive research due to its…

hep-ph2025

Investigation of resonance substructure in $pγ^*\to Δ(1232)$ process through helicity amplitudes

A. Kaewsnod, K. Xu, T. Sangkhakrit +5

This work investigates the substructure of the resonance in the $pγ^*\to Δ(1232)$ process through helicity transition amplitudes within the quark model framework. We c…

hep-ph2024

Determining the Meson Cloud Contribution of Nucleon Electromagnetic Form Factor Using Dispersion Relation

Ek-ong Atthaphan, Attaphon Kaewsnod, Kai Xu +4

We explore the meson cloud contribution to nucleon electromagnetic form factors in dispersion relation approach. In our calculations, experimental data on transition amplitudes for…