Study off₀(980) andf₀(1500) fromB_s→f₀(980)K,f₀(1500)Kdecays

Abstract

In this paper, we calculate the branching ratios and CP-violating asymmetries for within the perturbative QCD approach based on kT factorization. If the mixing angle θ falls into the range of 25° < θ < 40°, the branching ratio of is while θ lies in the range of 140° < θ < 165°, is about 6.5 × 10−7. As to the decay , when the mixing scheme for f0(1500) is used, it is difficult to determine which scenario is more preferable from the branching ratios for these two scenarios because they are both close to 1.0 × 10−6. But there exists a large difference in the form factor for the two scenarios.

Branching ratio andCPasymmetry ofBs→K0*(1430)ρZhang1 2010Phys. Rev. DSelf Cite

“…In order to uncover the inner structures of these scalar mesons, many factorization approaches are also used to research the B meson decay modes with a final state scalar meson, such as the generalized factorization approach [8], QCD factorization approach [9][10][11], and perturbative QCD (PQCD) approach [12][13][14][15][16]. On the experimental side, along with the running of the Large Hadron Collider beauty (LHC-b) experiments, some of B s decays with a scalar meson in the final state might be observed in the current [17,18].…”

Branching ratio and CP asymmetry of B s → K* 0 (1430)π decays in the PQCD approach

“…In scenario II (SII), the nonet mesons near 1.5 GeV are treated as qq ground states, while the nonet mesons below 1 GeV are exotic states beyond the quark model, such as four-quark bound states. In order to uncover the inner structures of these scalar mesons, many factorization approaches are used to research the B meson decay modes with a final state scalar meson, such as the generalized factorization approach [8], QCD factorization approach [9][10][11], and perturbative QCD (PQCD) approach [12][13][14][15][16].…”

“…V p(t)b , V p(t)d are the CKM matrix elements. From the leading order Feynman diagrams for each considered channel, it is easy to get the analytic formulas for the amplitudes corresponding to (V − A)(V − A), (V − A)(V + A) and (S −P )(S +P ) operators, which are similar to those of B → f 0 (980)K(π), f 0 (1500)K(π) [15,16]. We just need to replace some corresponding wave functions, Wilson coefficients, and parameters.…”

Branching Ratio and CP Asymmetry of B_s \to K^*_0(1430)πDecays in the PQCD Approach

“…In scenario II (SII), the nonet mesons near 1.5 GeV are treated as q q ground states, while the nonet mesons below 1 GeV are exotic states beyond the quark model, such as four-quark bound states. In order to uncover the inner structures of these scalar mesons, many factorization approaches are used to research the B meson decay modes with a final state scalar meson, such as the generalized factorization approach [8], QCD factorization approach [9][10][11], and perturbative QCD (PQCD) approach [12][13][14][15][16].…”

“…From the leading order Feynman diagrams for each considered channel, it is easy to get the analytic formulas for the amplitudes corresponding to (V − A)(V − A), (V − A)(V + A) and (S −P )(S +P ) operators, which are similar to those of B → f 0 (980)K(π), f 0 (1500)K(π) [15,16]. We just need to replace some corresponding wave functions, Wilson coefficients, and parameters.…”