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Now showing items 1-9 of 9

#### 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 ...

#### Strong couplings of negative and positive parity nucleons to the heavy baryons and mesons

(American Physical Society, 2015-07-20)

The strong coupling form factors related to the strong vertices of the positive and negative parity nucleons with the heavy Lambda(b[c])[Sigma b[c]] baryons and heavy B*[D*] vector mesons are calculated using a threepoint ...

#### Semileptonic bs -> ds2*(2573) l(nu)over-barl transition in QCD

(Springer, 2015-05-06)

We analyze the semileptonic B-s -> D-s2*(2573) l (nu) over bar (l) transition, where l = tau, mu or e, within the standard model. We apply the QCD sum rule approach to calculate the transition form factors entering the low ...

#### Radiative transition of negative to positive parity nucleon

(American Physical Society, 2015-05-27)

We investigate the N*(1535) -> N gamma transition in the framework of light cone QCD sum rules. In particular, using the most general form of the interpolating current for the nucleon as well as the distribution amplitudes ...

#### Semileptonic b -> (d)over-bar transition in a nuclear medium

(American Physical Society, 2015-02-24)

We study the semileptonic tree-level B -> (D) over bar transition in the framework of QCD sum rules in a nuclear medium. In particular, we calculate the in-medium form factors entering the transition matrix elements defining ...

#### Radiative omega(Q)* -> omega(Q)gamma and qi(Q)* -> xi(Q)'gamma transitions in light cone QCD

(Springer, 2015-01-14)

We calculate the magnetic dipole and electric quadrupole moments associated with the radiative Omega(Q)* -> Omega(Q)gamma and Xi(Q)* -> Xi(Q)'gamma transitions with Q = b or c in the framework of light cone QCD sum rules. ...

#### Thermal properties of light tensor mesons via QCD sum rules

(Hindawi Publishing Corporation, 2015)

The thermal properties of f(2)(1270), a(2)(1320), and K-2*(1430) light tensor mesons are investigated in the framework of QCD sum rules at finite temperature. In particular, the masses and decay constants of the light ...