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Now showing items 1-9 of 9

#### Impact of finite density on spectroscopic parameters of decuplet baryons

(American Physical Society, 2016-12)

The decuplet baryons, Δ, Σ∗, Ξ∗, and Ω-, are studied in nuclear matter by using the in-medium QCD sum rules. By fixing the three-momentum of the particles under consideration at the rest frame of the medium, the negative ...

#### Exploring X(5568) as a meson molecule

(Springer Verlag, 2016-10)

The parameters, i.e. the mass and current coupling of the exotic X(5568) state observed by the D0 Collaboration as well as the decay width of the process X→B0sπ+X→Bs0π+ , are explored using the BK¯¯¯¯¯BK¯ molecule ...

#### Width of the exotic Xb (5568) state through its strong decay to Bs0 π+

(American Physical Society, 2016-06)

The width of the newly observed exotic state Xb(5568) is calculated via its dominant strong decay to Bs0π+ using the QCD sum rule method on the light cone in conjunction with the soft-meson approximation. To this end, the ...

#### Application of the QCD light cone sum rule to tetraquarks: The strong vertices XbXb rho and XcXc rho

(American Physical Society, 2016-06-30)

The full version of the QCD light-cone sum rule method is applied to tetraquarks containing a single heavy b or c quark. To this end, investigations of the strong vertices XbXb rho and XcXc rho are performed, where X-b = ...

#### Charmed partner of the exotic X(5568) state and its properties

(American Physical Society, 2016-05-06)

The mass, decay constant, and width of a hypothetical charmed partner X-c of the newly observed exotic X-b(5568) state are calculated using the technique of the QCD sum rule method. The X-c = [su][(c) over bar(d) over bar] ...

#### Mass and decay constant of the newly observed exotic X(5568) state

(American Physical Society, 2016-04-20)

The mass and decay constant of the X(5568) state newly observed by the D0 Collaboration are computed within the two-point sum rule method using the diquark-antidiquark interpolating current. In calculations, the vacuum ...

#### Strong Z(c)(+)(3900) -> J/psi pi(+); eta c rho(+)decays in QCD

(American Physical Society, 2016-04-01)

The widths of the strong decaysZ(c)(+)(3900) -> J/psi pi(+); and Z(c)(+) (3900) -> are calculated. To this end, the mass and decay constant of the exotic Z(c)(+) (3900) state are computed by means of a two -point sum rule. ...

#### On the strong coupling N(*)N(*)pi

(Springer, 2016-04-26)

We study the strong vertices N*N pi, N*N*pi and NN pi in QCD, where N* denotes the negative-parity N(1535) state. We use the most general form of the interpolating currents to calculate the corresponding strong coupling ...

#### Transition form factors of chi(b2)(1P) -> B-c(l)over-barv in QCD

(Hindawi, 2016)

The form factors of the semileptonic chi(b2)(1P) -> B-c(l) over barv decay are calculated by using the QCD sum rule technique. The results obtained are then used to estimate the decay widths of this transition in all lepton ...