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Linking continuum and lattice quark mass functions via an effective charge
Lei Chang, Yu-Bin Liu, Khépani Raya +2
The quark mass function is computed both by solving the quark propagator Dyson-Schwinger equation and from lattice simulations implementing overlap and Domain-Wall fermion actions…
A Lattice Study of the Two-photon Decay Widths for Scalar and Pseudo-scalar Charmonium
Ying Chen, Ming Gong, Ning Li +7
In this exploratory study, two photon decay widths of pseudo-scalar () and scalar () charmonium are computed using two ensembles of twisted mass lattice QCD ga…
Investigating the topological structure of quenched lattice QCD with overlap fermions by using multi-probing approximation
You-Hao Zou, Jian-Bo Zhang, Guang-Yi Xiong +4
The topological charge density and topological susceptibility are determined by multi-probing approximation using overlap fermions in quenched SU(3) gauge theory. Then we investiga…
Glueball spectrum from lattice QCD study on anisotropic lattices
Wei Sun, Long-Cheng Gui, Ying Chen +6
The lowest-lying glueballs are investigated in lattice QCD using clover Wilson fermion on anisotropic lattices. We simulate at two different and relatively heavy quark mass…
A Lattice Study of Near-threshold Scattering
Ting Chen, Ying Chen, Ming Gong +8
In this exploratory lattice study, low-energy near threshold scattering of the meson system is analyzed using lattice QCD with twisted mass fermion…
Two Photon Decays of from Lattice QCD
Ting Chen, Ying Chen, Ming Gong +9
We present an exploratory lattice study for the two-photon decay of using twisted mass lattice QCD gauge configurations generated by the European Twisted Mass Collabo…
Spectrum and Bethe-Salpeter amplitudes of baryons from lattice QCD
Jian Liang, Wei Sun, Ying Chen +7
The baryons with are studied on the lattice in the quenched approximation. Their mass levels are ordered as $M_{3/2^+}<M_{3/2^-}\approx M_{1/2^-}<M_{1/2^…
Topological susceptibility near in SU(3) gauge theory
Guang-Yi Xiong, Jian-Bo Zhang, Ying Chen +3
Topological charge susceptibility for pure gauge SU(3) theory at finite temperature is studied using anisotropic lattices. The over-improved stout-link smoothing method is…
Phase transition in finite density and temperature lattice QCD
Rui Wang, Ying Chen, Ming Gong +6
We investigate the behavior of the chiral condensate in lattice QCD at finite temperature and finite chemical potential. The study was done using two flavors of light quarks and wi…
Glueballs in charmonia radiative decays
Ying Chen, Long-Cheng Gui, Gang Li +5
Scalar \cite{scalar_paper} and tensor \cite{tensor_paper} glueballs created in radiative decays are studied in quenched lattice QCD. Using two anisotropic lattices to approac…
Lattice Study of Radiative Decay to a Tensor Glueball
Yi-Bo Yang, Long-Cheng Gui, Ying Chen +4
The radiative decay of into a pure gauge tensor glueball is studied in the quenched lattice QCD formalism. With two anisotropic lattices, the mutlipole amplitudes E_1(0), M_2…
Lattice study on and X(3872)
Yi-Bo Yang, Ying Chen, Long-Cheng Gui +5
Properties of charmonium are investigated in quenched lattice QCD. The mass of is determined to be 3.80(3) GeV, which is close to the mass of -wave ch…
Scalar Glueball in Radiative Decay on Lattice
Long-Cheng Gui, Ying Chen, Gang Li +5
The form factors in the radiative decay of to a scalar glueball are studied within quenched lattice QCD on anisotropic lattices. The continuum extrapolation is carried out by…
Radiative transitions in charmonium from twisted mass lattice QCD
Ying Chen, De-Chuan Du, Bao-Zhong Guo +8
We present a study for charmonium radiative transitions: , and using twisted mass lattice QCD gauge config…
Low-energy Scattering and the Resonance-like Structure
Guo-Zhan Meng, Ming Gong, Ying Chen +10
Low-energy scattering of and meson are studied using quenched lattice QCD with improved lattice actions on anisotropic lattices. The calculation is performed within Lüs…
A Quenched Study of SU(3) Glueballs at Finite Temperature
Xiang-Fei Meng, Gang Li, Ying Chen +4
Thermal properties of glueballs in SU(3) Yang-Mills theory are investigated in a large temperature range from to on anisotropic lattices. The glueball operators a…
Hadron Scattering in an Asymmetric Box
Xin Li, Ying Chen, Guo-Zhan Meng +10
We propose to study hadron-hadron scattering using lattice QCD in an asymmetric box which allows one to access more non-degenerate low-momentum modes for a given volume. The conven…