Author:
Ahmed Hiwa A.,Wang Zhong-Yu,Sun Zhi-Feng,Xiao C. W.
Abstract
AbstractIn the present work, we investigate the decays of $$B^{0}_{(s)} \rightarrow \phi \pi ^{+}\pi ^{-}$$
B
(
s
)
0
→
ϕ
π
+
π
-
with the final state interaction based on the chiral unitary approach. In the final state interaction of the $$\pi ^+\pi ^-$$
π
+
π
-
with its coupled channels, we study the effects of the $$\eta \eta $$
η
η
channel in the two-body interaction for the reproduction of the $$f_{0}(980)$$
f
0
(
980
)
state, where its contribution to the $$f_{0}(980)$$
f
0
(
980
)
state can be ignored. Our results for the $$\pi ^+\pi ^-$$
π
+
π
-
invariant mass distributions of the decay $$B^{0}_{s} \rightarrow \phi \pi ^{+}\pi ^{-}$$
B
s
0
→
ϕ
π
+
π
-
describe the experimental data up to 1 GeV well, with the resonance contributions from the $$f_{0}(980)$$
f
0
(
980
)
and $$\rho $$
ρ
. For the predicted invariant mass distributions of the $$B^{0} \rightarrow \phi \pi ^{+}\pi ^{-}$$
B
0
→
ϕ
π
+
π
-
decay, we find that the contributions from the $$f_{0}(500)$$
f
0
(
500
)
are significant, but not from the $$f_{0}(980)$$
f
0
(
980
)
state. With some experimental branching ratios to determine the production vertex factors, we make predictions for the branching ratios of the other decay channels, including the vector mesons, in the $$B^0_{(s)}$$
B
(
s
)
0
decays, some of which are consistent with the experimental measurements within the uncertainties.
Funder
National Natural Science Foundation of China
Publisher
Springer Science and Business Media LLC
Subject
Physics and Astronomy (miscellaneous),Engineering (miscellaneous)
Reference97 articles.
1. M. Tanabashi et al. (Particle Data Group), Phys. Rev. D 98(3), 030001 (2018)
2. M.J. Savage, M.B. Wise, Phys. Rev. D 39, 3346 (1989) [Erratum: Phys. Rev. D 40, 3127 (1989)]
3. H.J. Lipkin, Y. Nir, H.R. Quinn, A. Snyder, Phys. Rev. D 44, 1454 (1991)
4. Y. Grossman, Z. Ligeti, Y. Nir, H. Quinn, Phys. Rev. D 68, 015004 (2003). arXiv:0303171 [hep-ph]
5. M. Gronau, D. Pirjol, A. Soni, J. Zupan, Phys. Rev. D 75, 014002 (2007). arXiv:0608243 [hep-ph]
Cited by
11 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献