Doubly heavy meson,which is composed of two heavy flavor quarks such as beauty and(or)charm quarks,offers a unique platform to study the nature of strong interactions described by quantum chromodynamics(QCD)-the under...
Supported in part by the National Natural Science Foundation of China(12247113);the Project funded by China Postdoctoral Science Foundation (2022M723117);the Specific Fund of Fundamental Scientific Research Operating Expenses for Undergraduate Universities in Liaoning Province,China (2024)。
In this study,we evaluated the mass spectra of the prospective 0^(--) hidden-charm and hidden-bottom tetraquark states in molecular configuration via QCD sum rules.In our calculation,the nonperturbative condensate con...
the NSFC(12261160362,12022502);KCYN is supported by grants provided by the NSFC(12322517,N_CUHK456/22);RGC(24302721,14305822,14308023)。
Cosmic rays can interact with the solar atmosphere and produce a slew of secondary messengers,making the Sun a bright gamma-ray source in the sky.Detailed observations with Fermi-LAT have shown that these interactions...
Supported by Guangdong Major Project of Basic and Applied Basic Research(2020B0301030008);the National Natural Science Foundation of China(12105107);Science and Technology Program of Guangzhou(2019050001)。
The yields of X_(cscs)with its two possible configurations,i.e.,the hadronic molecular state and tetraquark state,for Pb-Pb collisions at√sNN=5.02 TeV is studied.A volume effect is found from the centrality distribut...
institute postdoctoral funding and research facilities at Indian Institute of Science Education and Research Berhampur,Odisha at the initial stage of this work;funding support of IFCPAR/CEFIPRA under Project(5804-3)。
In this study,we calculated transport coefficients including the shear viscosity and electrical conductivity relative to the density of dense hadronic and quark matter.By considering the simple massless limit for the ...
Supported in part by the National Natural Science Foundation of China(11935001);the Natural Science Foundation of Anhui Province(2108085MA20,2208085MA10);the Key Research Foundation of Education Ministry of Anhui Province of China(KJ2021A0061)。
Theorists have given various explanations for the discovery of Y(4630).We find that if Y(4630)is inter-preted as the D-wave resonant state of the ∧_(c)∧_(c)。system,the particle mass,decay width,and all quantum numb...
Supported in part by the Open Project of Shaanxi Collaborative Innovation Center of Industrial Auxiliary Chemistry & Technology (XTKF-2020-01);the Nation-al Science Foundation of China (11705159,11975195);the Natural Science Foundation of Shandong province (ZR2019JQ04,ZR2022ZD26,ZR2020MA093);the Project of Shandong Province Higher Educational Science and Technology Program (2019KJJ007)。
Using the perturbative QCD approach,we studied the effects of the hadronic structure of photons on the pure annihilation rediative decays B→φγ and B_(s)→(ρ^(0),ω)γ.These decays have small branching fractions du...
partly supported by the National Natural Science Foundation of China (11975083,12147211);partly supported by the Spanish Ministerio de Economia y Competitividad and European FEDER funds (FIS2017-84038-C2-1-P B);Generalitat Valenciana (PROMETEO/2020/023);funding from the European Unions Horizon 2020 research and innovation programme (824093) for the"STRONG-2020"project。
We study the ■_(s)^(0)→J/ψf_(0)(980) and ■_(s)^(0)→J/ψa_(0)(980) reactions,and pay attention to the different sources of iso spin violation and mixing of f_(0)(980) and a_(0)(980) resonances where these resonanc...
Supported in part by the National Natural Science Foundation of China(11375044,11975075)。
The two-photon-exchange(TPE)effect plays a key role in extracting the form factors(FFs)of the proton.In this work,we discuss several exact properties of the TPE effect in the elastic ep scattering.By taking four low e...
Supported by National Natural Science Foundation of China(11775079)。
In this article,we illustrate how to calculate the hadronic coupling constants of the pentaquark states with QCD sum rules based on rigorous quark-hadron quality.We then study the hadronic coupling constants of the lo...