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Searching for lepton flavor violating decays τ→Pl in the minimal R-symmetric supersymmetric standard model
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Journal Article
Searching for lepton flavor violating decays τ→Pl in the minimal R-symmetric supersymmetric standard model
2020
Overview
We analyze the lepton flavor violating decays
τ
→
P
l
(
P
=
π
,
η
,
η
′
;
l
=
e
,
μ
) in the scenario of the minimal R-symmetric supersymmetric standard model. The prediction on the branching ratios BR
(
τ
→
P
e
)
and BR
(
τ
→
P
μ
)
is affected by the mass insertion parameters
δ
13
and
δ
23
, respectively. These parameters are constrained by the experimental bounds on the branching ratios BR(
τ
→
e
(
μ
)
γ
) and BR(
τ
→
3
e
(
μ
)
). The result shows
Z
penguin dominates the prediction on BR(
τ
→
P
l
) in a large region of the parameter space. The branching ratios for BR(
τ
→
P
l
) are predicted to be, at least, five orders of magnitude smaller than present experimental bounds and three orders of magnitude smaller than future experimental sensitivities.
Publisher
Springer Berlin Heidelberg,Springer Nature B.V
