${\overline{B}}^{0}$ decay into ${D}^{0}$ and ${f}_{0}(500)$, ${f}_{0}(980)$, ${a}_{0}(980)$, $\ensuremath{\rho}$ and ${\overline{B}}_{s}^{0}$ decay into ${D}^{0}$ and $\ensuremath{\kappa}(800)$, ${K}^{*0}$

${\bar{B}}^{0}$ decay into $D^{0}$ and $f_{0} (500)$ , $f_{0} (980)$ , $a_{0} (980)$ , $ρ$ and ${\bar{B}}_{s}^{0}$ decay into $D^{0}$ and $κ (800)$ , $K^{* 0}$

Wei-Hong Liang, Ju-Jun Xie, and E. Oset

Phys. Rev. D 92, 034008 – Published 10 August 2015

Abstract

We make predictions for ratios of branching fractions of ${\bar{B}}^{0}$ decays into $D^{0}$ and the scalar mesons $f_{0} (500)$ , $f_{0} (980)$ , $a_{0} (980)$ , plus ${\bar{B}}_{s}^{0}$ decay into $D^{0}$ and $κ (800)$ . We also compare the $π^{+} π^{-}$ production in the scalar channel with that observed in the $ρ$ channel and make predictions for the ${\bar{B}}_{s}^{0}$ decay into $D^{0}$ and $K^{*} (892)$ , comparing the strength of this channel with that of $κ (800)$ production. The work is based on results of the chiral unitary approach where the scalar resonances are generated from the pseudoscalar-pseudoscalar interaction. Up to an arbitrary normalization, the mass distributions and rates for decays into the scalar resonances are predicted with no free parameters. Comparison with experimental data is done when available.

Received 16 January 2015

DOI:https://doi.org/10.1103/PhysRevD.92.034008

Authors & Affiliations

Wei-Hong Liang^1,2,*, Ju-Jun Xie^2,3,4,†, and E. Oset^2,5

¹Department of Physics, Guangxi Normal University, Guilin 541004, China
²Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
³Research Center for Hadron and CSR Physics, Institute of Modern Physics of CAS and Lanzhou University, Lanzhou 730000, China
⁴State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100190, China
⁵Departamento de Física Teórica and IFIC, Centro Mixto Universidad de Valencia-CSIC Institutos de Investigación de Paterna, Aptdo. 22085, 46071 Valencia, Spain

^*liangwh@gxnu.edu.cn
^†xiejujun@impcas.ac.cn

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Vol. 92, Iss. 3 — 1 August 2015

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Physical Review D

covering particles, fields, gravitation, and cosmology

${\bar{B}}^{0}$ decay into $D^{0}$ and $f_{0} (500)$ , $f_{0} (980)$ , $a_{0} (980)$ , $ρ$ and ${\bar{B}}_{s}^{0}$ decay into $D^{0}$ and $κ (800)$ , $K^{* 0}$

Wei-Hong Liang, Ju-Jun Xie, and E. Oset

Phys. Rev. D 92, 034008 – Published 10 August 2015

Abstract

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Physical Review D

covering particles, fields, gravitation, and cosmology

B¯0 decay into D0 and f0(500), f0(980), a0(980), ρ and B¯s0 decay into D0 and κ(800), K*0

Wei-Hong Liang, Ju-Jun Xie, and E. Oset

Phys. Rev. D 92, 034008 – Published 10 August 2015

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${\bar{B}}^{0}$ decay into $D^{0}$ and $f_{0} (500)$ , $f_{0} (980)$ , $a_{0} (980)$ , $ρ$ and ${\bar{B}}_{s}^{0}$ decay into $D^{0}$ and $κ (800)$ , $K^{* 0}$