12 citations · 30 across the 10 of their papers we have counts for
10 papers
Lattice QCD study of the resonance at the physical point
Qu-Zhi Li, Chuan Liu, Liuming Liu +4
We present a lattice QCD study of the resonance using eight Wilson-Clover ensembles with three lattice spacings and six pion masses ranging from 135 to 320 MeV…
Studies on quark-mass dependence of the pole from PT amplitudes
Xu Wang, Kai-Ge Kang, Qu-Zhi Li +2
The quark-mass dependence of the pole is analyzed using -matrix method, with the scattering amplitude calculated up to order in chiral perturbation theo…
Review on recent progress in the study of the subthreshold singularity and the meson
Qu-Zhi Li, Zhiguang Xiao, Han-Qing Zheng
We summarize recent results on studies of and scatterings. They include the finding of a negative-parity nucleon pole with a mass lower than the nucleon mass, and the pol…
On the pole trajectory of the subthreshold negative parity nucleon with varying pion masses
Qu-Zhi Li, Zhiguang Xiao, Han-Qing Zheng
We study the pole trajectory of the recently established subthreshold negative parity nucleon pole, namely the , with varying pion masses, in the scheme of linear mod…
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…
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…
The study on the singularity structure of scattering amplitudes
Qu-Zhi Li
The method is used to study the channel low energy scattering amplitude. The input of left cuts are obtained from various phenomenological models. With the aid…
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…
Singularities and Accumulation of Singularities of N Scattering amplitudes
Qu-Zhi Li, Han-Qing Zheng
It is demonstrated that for the isospin N scattering amplitude, , and are two accumulation points of poles…
An study of the channel scattering amplitude
Qu-Zhi Li, Yao Ma, Wen-Qi Niu +2
Extensive dynamical calculations are made in the study of channel low energy N scatterings, based on various phenomenological model inputs of left cuts at tree le…