https://doi.org/10.1140/epjc/s10052-015-3827-5
Regular Article - Theoretical Physics
, 
and 
decays into 
and 
or 
1
Department of Physics, Guangxi Normal University, Guilin, 541004, China
2
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, 730000, China
3
State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing, 100190, China
4
Departamento de Física Teórica and IFIC, Centro Mixto Universidad de Valencia-CSIC Institutos de Investigación de Paterna, Aptdo. 22085, 46071, Valencia, Spain
* e-mail: liangwh@mailbox.gxnu.edu.cn
Received:
19
October
2015
Accepted:
27
November
2015
Published online:
22
December
2015
We study the 
, 
, 
, 
and 
decays and compare their mass distributions with those obtained for the 
and 
. The approach followed consist in a factorization of the weak part and the hadronization part into a factor which is common to all the processes. Then what makes the reactions different are some trivial Cabibbo–Kobayashi–Maskawa matrix elements and the weight by which the different pairs of mesons appear in a primary step plus their final state interaction. These elements are part of the theory and thus, up to a global normalization factor, all the invariant mass distributions are predicted with no free parameters. Comparison is made with the limited experimental information available. Further comparison of these results with coming LHCb measurements will be very valuable to make progress in our understanding of the meson–meson interaction and the nature of the low lying scalar meson resonances, 
and 
.
© The Author(s), 2015
