104 citations · 1k across the 41 of their papers we have counts for
28 papers · 1 filter
Nonlocal QED and lepton g-2 anomalies
Hang Li, P. Wang
Quantum electrodynamics is generally extended to a nonlocal QED by introducing the correlation functions. The gauge link is introduced to guarantee that the nonlocal QED is locally…
Nucleon form factors and parton distributions in nonlocal chiral effective theory
P. Wang, Fangcheng He, Chueng-Ryong Ji +1
We present a review of recent applications of nonlocal chiral effective theory to hadron structure studies. Starting from a nonlocal meson--baryon effective chiral Lagrangian, we s…
Helicity-dependent distribution of strange quarks in the proton from nonlocal chiral effective theory
Fangcheng He, Chueng-Ryong Ji, W. Melnitchouk +4
The helicity-dependent strange quark distribution in the proton, , is calculated in a nonlocal chiral SU(3) effective field theory. The hadronic proton to meson plus octet or d…
Generalized parton distributions of sea quarks in the proton from nonlocal chiral effective theory
Fangcheng He, Chueng-Ryong Ji, W. Melnitchouk +2
We calculate the spin-averaged generalized parton distributions (GPDs) of sea quarks in the proton at zero skewness from nonlocal covariant chiral effective theory, including one-l…
Solution of lepton anomalies with nonlocal QED
Hang Li, P. Wang
The explanation for lepton anomalies is provided with the nonlocal QED which is the simple extension of the standard model. This solution is based on the same gauge symmetry…
Strange quark helicity in the proton from chiral effective theory
X. G. Wang, Chueng-Ryong Ji, W. Melnitchouk +3
We compute the helicity-dependent strange quark distribution in the proton in the framework of chiral effective theory. Starting from the most general chiral SU(3) Lagrangian that…
Parton distributions from nonlocal chiral SU(3) effective theory: Flavor asymmetries
Y. Salamu, Chueng-Ryong Ji, W. Melnitchouk +3
Using recently derived results for one-loop hadronic splitting functions from a nonlocal implementation of chiral effective theory, we study the contributions from pseudoscalar mes…
Sivers distribution functions of sea quark in proton with chiral Lagrangian
Fangcheng He, P. Wang
We propose a mechanism for the Sivers distribution function in proton with chiral Lagrangian. By introducing the gauge link of the vector meson, the transverse momentum dependent d…
Pauli form factors of electron and muon in nonlocal quantum electrodynamics
Fangcheng He, P. Wang
Pauli form factors of electron and muon are studied in nonlocal quantum electrodynamics. We calculate one loop QED correction to their Pauli form factors. The relativistic regulato…
Parton distributions from nonlocal chiral SU(3) effective theory. I. Splitting functions
Y. Salamu, Chueng-Ryong Ji, W. Melnitchouk +2
We present a new formulation of pseudoscalar meson loop corrections to nucleon parton distributions within a nonlocal covariant chiral effective field theory, including contributio…
Strange form factors of nucleon with nonlocal chiral effective Lagrangian
Fangcheng He, P. Wang
The strange form factors of nucleon are studied with the nonlocal chiral effective Lagrangian. One loop contributions from both octet and decuplet intermediate states are included.…
Strange quark asymmetry in the proton in chiral effective theory
X. G. Wang, Chueng-Ryong Ji, W. Melnitchouk +3
We perform a comprehensive analysis of the strange-antistrange parton distribution function (PDF) asymmetry in the proton in the framework of chiral effective theory, including the…
The spin of the proton in chiral effective field theory
Hongna Li, P. Wang, D. B. Leinweber +1
Proton spin is investigated in chiral effective field theory through an examination of the singlet axial charge, , and the two non-singlet axial charges, and . Fini…
Pure sea-quark contributions to the magnetic form factors of baryons
P. Wang, D. B. Leinweber, A. W. Thomas
We propose the pure sea-quark contributions to the magnetic form factors of baryons, and , as priority observables for the examination of sea-quark contr…
asymmetry in the proton in chiral effective theory
Yusupujiang Salamu, Chueng-Ryong Ji, W. Melnitchouk +1
We compute the asymmetry in the proton in chiral effective theory, including both nucleon and degrees of freedom, within both the relativistic and heavy baryo…
Nucleon magnetic form factors with non-local chiral effective Lagrangian
P. Wang
Chiral perturbation theory is a powerful method to investigate the hadron properties. We apply the non-local chiral effective Lagrangian to study nucleon magnetic form factors. The…
Strange magnetic form factor of nucleon in heavy baryon chiral effective approach at next to leading order
P. Wang, D. B. Leinweber, A. W. Thomas
The strange magnetic form factor of the nucleon is studied in the heavy baryon chiral effective approach at next to leading order. The one loop contributions from kaon and intermed…
Study on X(3872) from effective field theory with pion exchange interaction
P. Wang, X. G. Wang
We study () scattering in the framework of unitarized heavy meson chiral perturbation theory with pion exchange and a contact interaction. …
About the creation of proton-anti-proton pair at electron-positron collider in the energy range of the mass
A. I. Ahmadov, Yu. M. Bystritskiy, E. A. Kuraev +1
The process of electron--positron annihilation into proton--antiproton pair is considered within the vicinity of resonance. The interference between the pure electromagne…
Chiral extrapolation of nucleon magnetic moments at next-to-leading-order
P. Wang, D. B. Leinweber, A. W. Thomas +1
Nucleon magnetic moments display a rich nonanalytic dependence on the quark mass in both quenched and full QCD. They provide a forum for a detailed examination of the connection be…
Study on states with open charm in unitarized heavy meson chiral approach
P. Wang, X. G. Wang
We calculate the scattering amplitudes of Goldstone bosons off the pseudoscalar D-mesons in unitarized heavy meson chiral approach. The low energy constants appearing in $\mathcal{…
The First Moments of Nucleon Generalized Parton Distributions
P. Wang, A. W. Thomas
We extrapolate the first moments of the generalized parton distributions using heavy baryon chiral perturbation theory. The calculation is based on the one loop level with the fini…
Strange magnetic form factor of the proton at GeV
P. Wang, D. B. Leinweber, A. W. Thomas +1
We determine the and quark contributions to the proton magnetic form factor at finite momentum transfer by applying chiral corrections to quenched lattice data. Heavy baryo…
Relative phase between strong and electromagnetic amplitudes in psi(2S) to 0- 0- decays
C. Z. Yuan, P. Wang, X. H. Mo
With the known branching ratios of psi(2S) to pi+pi- and psi(2S) to K+K-, the branching ratio of psi(2S) to K0short K0long is calculated as a function of the relative phase between…