167 citations · 888 across the 28 of their papers we have counts for
28 papers
From QCD sum rules to HQET sum rules: Heavy-quark limit of four-quark operator matrix elements
En-Qi Wu, Yi-Peng Xing, Chen-Hang Weng +1
Heavy quark expansion theory provides the standard theoretical framework for understanding the lifetimes of weakly decaying heavy-flavor hadrons. Within this framework, the matrix…
Implications on CP violation of charmless three body decays of bottom baryon from the U-spin analysis
Wei Wang, Zhi-Peng Xing, Zhen-Xing Zhao
Motivated by recent LHCb measurements of CP violation in three-body decays, we conduct an analysis of CP asymmetry in three-body decays of bottom baryons utilizing U-spin sym…
Light-cone sum rules study on the purely non-factorizable decay
Yu-Ji Shi, Zhen-Xing Zhao
We investigate the purely non-factorizable decay using light-cone sum rules. To extract the decay amplitudes, a three-point correlation function is defined…
Light baryon in three quark picture light front approach and its application: hyperon weak radiative decays
Zhi-Peng Xing, Yu Ji Shi, Jin Sun +1
Motivated by recent experimental data on at BESIII, we investigate a class of hyperon weak radiative decays. To estimate these processes, in our research, we employ a n…
Revisiting mixing in QCD sum rules
Xiao-Yu Sun, Fu-Wei Zhang, Yu-Ji Shi +1
In this work, we perform a QCD sum rules analysis on the mixing. Contributions from up to dimension-6 four-quark operators are considered. However, it turns…
Baryons in the light-front approach: The three-quark picture
Zhen-Xing Zhao, Fu-Wei Zhang, Xiao-Hui Hu +1
In this work, a three-quark picture is constructed using a bottom-up approach for baryons in light-front quark model. The shape parameters, which characterize the momentum distribu…
W-exchange contribution to the decays using light-cone sum rules
Yu-Ji Shi, Zhen-Xing Zhao, Ye Xing +1
We calculate the W-exchange contribution to the decay using light-cone sum rules. The two-particle light-cone distribution amplitudes of the…
Weak decays of triply heavy baryons in the light-front approach
Zhen-Xing Zhao, Qi Yang
In this work, we investigate the weak decays of ground-state triply heavy baryons. We first obtain the form factors using the light-front quark model in the three-quark picture, an…
Resonance contributions in within the light-come sum rule approach
Yu-Ji Shi, Ulf-G. Meißner, Zhen-Xing Zhao
In this work, we study the resonance contributions to the decay , which is dominated by the scalar , vector an…
QCD sum rules analysis of weak decays of doubly heavy baryons: the processes
Zhi-Peng Xing, Zhen-Xing Zhao
A comprehensive study of weak decays of doubly heavy baryons is presented in this paper. The transition form factors as well as the pole residues of the initial and final…
Analysis of the interpolating currents of baryons: anomalous dimension
Zhen-Xing Zhao, Yu-Ji Shi, Zhi-Peng Xing
The anomalous dimensions for the interpolating currents of baryons are indispensable inputs in a serious QCD analysis of baryon. However, the results in the literature are vague. I…
Semi-leptonic form factors of in QCD sum rules
Zhen-Xing Zhao, Xiao-Yu Sun, Fu-Wei Zhang +2
There exists a significant deviation between the most recent Lattice QCD simulation and experimental measurement by Belle for . In this work, we…
On the four-quark operator matrix elements for the lifetime of
Zhen-Xing Zhao, Xiao-Yu Sun, Fu-Wei Zhang +1
Heavy quark expansion can nicely explain the lifetime of . However, there still exist sizable uncertainties from the four-quark operator matrix elements of in $1/m_{…
SU(3) analysis of fully-light tetraquarks in heavy meson weak decays
Yu-Ji Shi, Ye Xing, Zhen-Xing Zhao
We perform a SU(3) analysis for both semi-leptonic and non-leptonic heavy meson weak decays into a pseudoscalar meson and a fully-light tetraquark in 10 or 27 representation. A red…
The semi-leptonic form factors of and in QCD sum rules
Zhen-Xing Zhao, Run-Hui Li, Yue-Long Shen +2
In this work, the full leading order results of the form factors for and are obtained in QCD sum rules. Contributions from up to dim-5 have been con…
The SVZ sum rules and the heavy quark limit for
Zhen-Xing Zhao, Run-Hui Li, Yu-Ji Shi +1
In this work, we evaluate the accuracy of the leading order results in Shifman-Vainshtein-Zakharov (SVZ) sum rules and the leading power results in the heavy quark limit for the ma…
Towards a Heavy Diquark Effective Theory for Weak Decays of Doubly Heavy Baryons
Yu-Ji Shi, Wei Wang, Zhen-Xing Zhao +1
We construct a leading-order effective field theory for both scalar and axial-vector heavy diquarks, and consider its power expansion in the heavy diquark limit. By assuming the tr…
Novel method to reliably determine the photon helicity in
Wei Wang, Fu-Sheng Yu, Zhen-Xing Zhao
A sizable right-handed photon polarization in is a clear signal for new physics. In this work we point out that the photon helicity in can be unambiguously extr…
Light-Cone Sum Rules Analysis of Weak Decays
Yu-Ji Shi, Ye Xing, Zhen-Xing Zhao
We analyze the weak decay of doubly-heavy baryon decays into anti-triplets with light-cone sum rules. To calculate the decay form factors, both bottom and charmed anti-triple…
QCD Sum Rules Analysis of Weak Decays of Doubly-Heavy Baryons
Yu-Ji Shi, Wei Wang, Zhen-Xing Zhao
We calculate the weak decay form factors of doubly-heavy baryons using three-point QCD sum rules. The Cutkosky rules are used to derive the double dispersion relations. We include…
Weak decays of doubly heavy baryons: the FCNC processes
Zhi-Peng Xing, Zhen-Xing Zhao
The discovery of doubly heavy baryon provides us with a new platform for precisely testing Standard Model and searching for new physics. As a continuation of our previous works, we…
Weak decays of doubly heavy baryons: the case
Zhen-Xing Zhao
As a continuation of our previous works, we investigate the weak decays of doubly heavy baryons into a spin- singly or doubly heavy baryon. Light-front approach is adopted to…
Weak Decays of Heavy Baryons in Light-Front Approach
Zhen-Xing Zhao
In this work, we perform a analysis of semi-leptonic and nonleptonic weak decays of heavy baryons: and . For nonleptonic decay modes, we stud…
Weak decays of doubly heavy baryons: "decay constants"
Xiao-Hui Hu, Yue-Long Shen, Wei Wang +1
Inspired by the recent observation of the by LHCb collaboration, we explore the "decay constants" of doubly heavy baryons in the framework of QCD sum rules. With the…