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Now showing items 1-10 of 13

#### Thermal properties of D-2* (2460) and D-s2*(2573) tensor mesons using QCD sum rules

(IOP Publishing, 2014-03)

We investigate the masses and decay constants of the heavy-lightD(2)* (2460) and D-s2*(2573) tensor mesons in the framework of thermal QCD sum rules. Taking into account the additional operators arising at finite temperature, ...

#### Properties of D - 2 * (2460) tensor meson and semileptonic transition of B -> D - 2 * (2460) l(v)over - bar

(Elsevier, 2013-12)

We employ QCD sum rules to calculate the leptonic decay constant of the D-2*(2460) tensor meson and the transition form factors of the semileptonic B -> D-2*(2460)l (v) over bar (l = tau,mu,e) decay channel. Using the fit ...

#### Analyses of gD*sDK and gB*sBK vertices in QCD sum rules

(IOP Publishing, 2012)

The coupling constants g D*sDK and g B*sBK are calculated in the framework of QCD sum rules. We evaluate the correlation functions of these vertices considering both D(B) and K mesons off-shell and obtain the results as g ...

#### Investigation of the D*s2(2573)+D+K0 vertex via QCD sum rules

(IOP Publishing, 2014-12-08)

In this work the D∗s2(2573)+D+K0 vertex is studied and the coupling constant corresponding to the D∗s2(2573)+ D+K0 transition is calculated. The calculation is performed using three point QCD sum rules method and the value ...

#### g DsDK*0 and g BsDK*0 coupling constants in QCD sum rules

(IOP Publishing, 2012)

In the present study, we calculate the strong coupling constants g DsDK* 0(800) and g BsDK* 0(800) within the three-point QCD sum rules approach. We evaluate the correlation function of the considered vertices taking into ...

#### Decay constants of heavy vector mesons at finite temperature

(IOP Publishing, 2012)

This study deals with determination of the decay constants of heavy vector mesons in the framework of the thermal QCD sum rules. We calculate both thermal spectral density and non-perturbative contributions taking into ...

#### Strong Ds∗ Dsη (′) and Bs∗ Bsη (′) vertices from QCD light-cone sum rules

(American Physical Society, 2015-12-29)

The strong Ds∗Dsη(′) and Bs∗Bsη(′) vertices are studied and the relevant couplings are calculated in the context of the light-cone QCD sum rule method with twist-4 accuracy by including the next-to-leading-order corrections. ...

#### Strong σbNB and σcND coupling constants in QCD

(Elsevier, 2015-11-01)

We study the strong interactions among the heavy bottom spin-1/2 σb baryon, nucleon and B meson as well as the heavy charmed spin-1/2 σc baryon, nucleon and D meson in the context of QCD sum rules. We calculate the ...

#### Positive and negative parity hyperons in nuclear medium

(American Physical Society, 2015-09-22)

The effects of the nuclear medium on the residue, mass, and self-energy of the positive- and negative-parity Σ, Λ, and Ξ hyperons are investigated using the QCD sum-rule method. In the calculations, the general interpolating ...

#### Analysis of the semileptonic transition of heavy Xi(Q) baryon to Xi baryon in Light Cone QCD Sum Rules

(Elsevier, 2013-12)

This study presents the analysis of form factor calculations of semileptonic transitions of heavy baryons via light cone QCD sum rules. The work covers the semileptonic transitions of the Xi(b) and Xi(c) baryons. The form ...