61 citations · 241 across the 32 of their papers we have counts for
20 papers · 1 filter
-exchange contribution in elastic scattering by perturbative QCD
Qian-Qian Guo, Hui-Yun Cao, Hai-Qing Zhou
In this study, we calculate the -exchange contribution to elastic scattering at large momentum transfer within perturbative QCD. We present analytical expressions for the…
Critical properties of bound states with one-boson-exchange potential
Lin-Qing Song, Hai-Qing Zhou
In this study, we discuss some general critical properties of bound states with one-boson-exchange potential. For simplicity, we first take a system with two identical scalar parti…
Corrections to the Forward Limit Dispersion Relations for -Exchange Contributions
Qian-Qian Guo, Hai-Qing Zhou
The weak charge of the proton is one of the most fundamental quantities in physics. It can be determined by measuring the parity asymmetry in ela…
-Exchange Contributions in Low-Energy Parity-Violating Scattering
Qian-Qian Guo, Hai-Qing Zhou
In this work, the -exchange contributions in the low-energy elastic parity-violating scattering are discussed with the approximation . By expanding the and $Z…
Axion-meson mixing in light of recent lattice - simulations and their two-photon couplings within chiral theory
Rui Gao, Zhi-Hui Guo, J. A. Oller +1
We study the mixing of the QCD/QCD-like axion and light-flavor mesons within the framework of chiral perturbation theory up to next-to-leading order in this wor…
Two-Photon-Exchange effect in at small with the hadronic model and dispersion relation approach
Qian-Qian Guo, Hai-Qing Zhou
In this work, the two-photon-exchange (TPE) effect in at small is discussed. In the previous work, the TPE contribution with one intermediate state i…
Two-photon exchange effects in at small
Zhong-Hua Zhao, Hui-Yun Cao, Hai-Qing Zhou
In this work, the two-photon-exchange (TPE) effects in at small are discussed within a hadronic model. In the limit , the…
Decay widthes of charmonium to and corresponding mass shifts of charmonium
Hui-Yun Cao, Hai-Qing Zhou
In this work, we calculate the amplitudes of the processes in the leading order of the nonrelativistic e…
Electric transitions of the charmed-strange mesons in a relativistic quark model
Shao-Feng Chen, Jing Liu, Hai-Qing Zhou +1
In the present work, we adopt a relativistic constituent quark model to depict the charmed strange meson spectroscopy, in which and are considered as…
Two-Photon-Exchange effects in and their corrections to separated cross sections at small
Hui-Yun Cao, Hai-Qing Zhou
In this work, the two-photon-exchange (TPE) effects in at small are discussed within a hadronic model. Under the pion dominance approximation the TPE con…
Mass shifts of heavy quarkonia due to the effect of two-gluon annihilation
Hui-Yun Cao, Hai-Qing Zhou
In this work, we calculate the nonrelativistic asymptotic behavior of the amplitudes of in the leading order of (LO-$α…
Correction to the energy spectrum of heavy quarkonia due to two-gluon annihilation effect
Hui-Yun Cao, Hai-Qing Zhou
In this work, the non-relativistic asymptotic behavior of the transition in the channel is discussed. Different with t…
Two-photon exchange effects in and time-like pion electromagnetic form factor
Hong-Yu Chen, Hai-Qing Zhou
The two-photon-exchange (TPE) effects in the process at large momentum transfer are discussed within the perturbative QCD (pQCD). The contributions from…
Could the and the Be the Same Tensor State?
Zhi-Yong Zhou, Zhiguang Xiao, Hai-Qing Zhou
By using a combined amplitude analysis of the and data, we demonstrate that the , which is quoted as a state…
Meson exchange effects in elastic scattering at loop level and the electromagnetic form factors of the proton
Hong-Yu Chen, Hai-Qing Zhou
A new form of two-photon exchange(TPE) effect is studied to explain the discrepancy between unpolarized and polarized experimental data in elastic scattering. The mechanism is…
Resonances contribution to two-photon exchange effects and possible large forward-backward asymmetry in
Hai-Qing Zhou, Bing-Song Zou
The resonances () contribution to two-photon exchange (TPE) effects in is calculated in a simple hadronic model. The calculation…
Gauge Invariant Two-Photon-Exchange Contributions in
Hai Qing Zhou
The gauge invariant two-photon exchange (TPE) contributions in are discussed at hadronic level. The contact term is added to keep the full amplitude gau…
The two-pseudoscalar-meson decay of with twist-3 corrections
Ming-Zhen Zhou, Hai-Qing Zhou
The decays of are discussed within the standard and modified hard scattering approach when including the contributions from twist-3 distributi…
contribution in at small
Hai Qing Zhou, Dian Yong Chen, Yu Bing Dong
Two-photon annihilate contributions in the process including and intermediate are discussed in a simple hadronic model. The corrections to the u…
The Two-Photon-Exchange and γZ-Exchange Corrections to parity-Violating Elastic Electron-Proton Scattering
Hai Qing Zhou, Chung Wen Kao, Shin Nan Yang
Leading electroweak corrections play an important role in precision measurements of the strange form factors. We calculate the two-photon-exchange (TPE) and -exchange correctio…