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18 papers · 1 filter
Semileptonic transition in three--point QCD sum rules and HQET with gluon condensate corrections
N. Ghahramany, R. Khosravi, K. Azizi
Taking into account the gluon condensate contributions, the form factors of the semileptonic transition with are calculated in the framework of the…
Semileptonic and nonleptonic decays in three--point QCD sum rules and factorization approach
R. Khosravi, K. Azizi, N. Ghahramany
We analyze the semileptonic transition with , in the framework of the three--point QCD sum rules and the nonleptonic decay within the Q…
Double-Lepton Polarization Asymmetries in $B_s \rar ϕ\ell^+ \ell^-$ Decay in the Fourth-Generation Standard Model
S. M. Zebarjad, F. Falahati, H. Mehranfar
In this paper, we investigate the effects of the fourth generation of quarks on the double-lepton polarization asymmetries in the $B_s \rar ϕ\ell^+ \ell^-$ decay. It is shown that…
Lowest Order Constrained Variational Calculation of Structure Properties of Protoneutron Star
G. H. Bordbar, S. M. Zebarjad, R. Zahedinia
We calculate the structure properties of protoneutron star such as equation of state, maximum mass, radius and temperature profile using the lowest order constrained variational me…
Lowest Order Constrained Variational calculation for Polarized Liquid 3He at Finite Temperature
G. H. Bordbar, M. J. Karimi, J. Vahedi
We have investigated some of the thermodynamic properties of spin polarized liquid at finite temperature using the lowest order constrained variational method. For…
Critical Behavior of Liquid 3He
G. H. Bordbar, S. M. Zebarjad, F. Shojaei
We investigate the liquid-gas second-order phase transition in liquid using the variational calculations based on the cluster expansion of the energy functional. We also com…