Abstract
Abstract
In the framework of the Standard Model we present new theoretical predictions for the branching ratios, double and single differential distributions and forward—backward leptonic asymmetries for the
B
¯
s
→
μ
+
μ
−
e
+
e
−
decay. In our consideration we take into account the
ϕ
(
1020
)
—resonance contribution; the main contributions of four charmonium resonances :
ψ
(
3770
)
,
ψ
(
4040
)
,
ψ
(
4160
)
and
ψ
(
4415
)
;
u
u
¯
—resonant contribution from
ρ
(
770
)
and
ω
(
782
)
;
‘tails’ contributions from
J
/
ψ
and
ψ
(
2
S
)
resonances; non—resonant contribution of the
b
b
¯
- pairs, bremsstrahlung and the contribution of the weak annihilation. We provide the prediction for the branching ratio of
B
¯
s
→
μ
+
μ
−
e
+
e
−
decay with and without the
ϕ
(
1020
)
—resonance contribution. We use the model of vector meson dominance (VMD) for calculation of resonances contributions and take into account all substantive terms in
B
¯
s
→
μ
+
μ
−
e
+
e
−
amplitude that was not considered in the previously papers.
Funder
Russian Science Foundation
Olga Igonkina Foundation
Basis Foundation
RFBR
Subject
Condensed Matter Physics,Mathematical Physics,Atomic and Molecular Physics, and Optics
Cited by
1 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