scholarly journals Mass spectrum of orbitally and radially excited heavy-light mesons in the relativistic quark model

1998 ◽  
Vol 57 (9) ◽  
pp. 5663-5669 ◽  
Author(s):  
D. Ebert ◽  
V. O. Galkin ◽  
R. N. Faustov
Keyword(s):  
Mass Spectrum ◽  
Quark Model ◽  
Relativistic Quark Model ◽  
Light Mesons

scholarly journals DECAY CONSTANTS OF HEAVY–LIGHT MESONS IN THE RELATIVISTIC QUARK MODEL

2002 ◽  
Vol 17 (13) ◽  
pp. 803-807 ◽  
Author(s):  
D. EBERT ◽  
R. N. FAUSTOV ◽  
V. O. GALKIN
Keyword(s):  
Quark Model ◽  
Light Quark ◽  
Relativistic Effects ◽  
Relativistic Quark Model ◽  
Sum Rule ◽  
Decay Constants ◽  
Model Predictions ◽  
Relativistic Treatment ◽  
Light Mesons ◽  
Good Agreement

The decay constants of pseudoscalar and vector heavy–light mesons are calculated in the framework of the relativistic quark model with the completely relativistic treatment of the light quark. It is argued that relativistic effects play a significant role. Good agreement of the model predictions with recent lattice and QCD sum rule calculations as well as available experimental data are found.

scholarly journals Radiative M1-decays of heavy–light mesons in the relativistic quark model

2002 ◽  
Vol 537 (3-4) ◽  
pp. 241-248 ◽  
Author(s):  
D. Ebert ◽  
R.N. Faustov ◽  
V.O. Galkin
Keyword(s):  
Quark Model ◽  
Relativistic Quark Model ◽  
Light Mesons

scholarly journals Heavy Tetraquarks in the Relativistic Quark Model

Universe ◽  
2021 ◽  
Vol 7 (4) ◽  
pp. 94
Author(s):  
Rudolf N. Faustov ◽  
Vladimir O. Galkin ◽  
Elena M. Savchenko
Keyword(s):  
Experimental Data ◽  
Form Factor ◽  
Mass Spectrum ◽  
Quark Model ◽  
Detailed Comparison ◽  
Lhcb Collaboration ◽  
Relativistic Quark Model ◽  
Quasipotential Approach ◽  
The Masses ◽  
Gluon Interaction

We give a review of the calculations of the masses of tetraquarks with two and four heavy quarks in the framework of the relativistic quark model based on the quasipotential approach and QCD. The diquark-antidiquark picture of heavy tetraquarks is used. The quasipotentials of the quark-quark and diquark-antidiquark interactions are constructed similarly to the previous consideration of mesons and baryons. Diquarks are considered in the colour triplet state. It is assumed that the diquark and antidiquark interact in the tetraquark as a whole and the internal structure of the diquarks is taken into account by the calculated form factor of the diquark-gluon interaction. All parameters of the model are kept fixed from our previous calculations of meson and baryon properties. A detailed comparison of the obtained predictions for heavy tetraquark masses with available experimental data is given. Many candidates for tetraquarks are found. It is argued that the structures in the di-J/ψ mass spectrum observed recently by the LHCb collaboration can be interpreted as ccc¯c¯ tetraquarks.

Structure of Baryons in a Semi-Relativistic Quark Model

2019 ◽  
Vol 49 (3) ◽  
pp. 402-411 ◽  
Author(s):  
F. Sattari ◽  
M. Aslanzadeh
Keyword(s):  
Quark Model ◽  
Relativistic Quark Model
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