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11 papers · 1 filter
Study of collective matter flow in central C-Ne and C-Cu collisions at energy of 3.7 GeV per nucleon
L. Chkhaidze, T. Djobava, L. Kharkhelauri
The transverse momentum technique is used to analyse charged-particle exclusive data in the central C-Ne and C-Cu interactions at energy of 3.7 Gev per nucleon. The clear evidence…
The analysis of pi^{-} mesons produced in nucleus-nucleus collisions at a momentum of 4.5 GeV/c/nucleon in light front variables
M. Anikina, L. Chkhaidze, T. Djobava +2
The light front analysis of pi^{-} mesons in He(Li,C), C-Ne, C-Cu and O-Pb collisions is carried out. The phase space of secondary pions is divided into two parts in one of which t…
On the choice of heavy baryon currents in the relativistic three-quark model
M. A. Ivanov, J. G. Korner, V. E. Lyubovitskij +2
We test the sensitivity of bottom baryon observables with regard to the choice of the interpolating three-quark currents within the relativistic three-quark model. We have found th…
Numerical analysis of the pi+pi- atom lifetime in ChPT
J. Gasser, V. E. Lyubovitskij, A. Rusetsky
We apply Chiral Perturbation Theory at one loop to analyze the general formula for the pi+pi- atom lifetime derived recently in the framework of QCD. The corresponding analytic exp…
Lambda_b and Lambda_c baryon decays at finite values of heavy quark masses
M. A. Ivanov, J. G. Korner, V. E. Lyubovitskij +1
Semileptonic decays of Lambda_b and Lambda_c baryons are studied within the Relativistic Three-Quark Model using finite heavy quark mass values. Employing the same parameters as ha…
Is Heavy Baryon Approach Necessary?
J. Gegelia, G. Japaridze, X. Q. Wang
It is demonstrated that using an appropriately chosen renormalization condition one can respect power counting within the relativistic baryon chiral perturbation theory without app…