Hautes Energies
Rare FCNC $b \to s$ decays in the search for new physics.
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Europe/Paris
Room 25 - VisioConference (IPHC/DRS)
Room 25 - VisioConference
IPHC/DRS
Description
Rare FCNC $B$ decays provide sensitive probes of flavor physics
in the Standard Model and the search of New Physics. They also serve as
complementary constraints of specific New Physics models with respect
to direct searches at collider experiments. The construction
of effective theories serves as the appropriate theoretical tool in
order to systematically disentangle effects due to the largely separated
scales involved in these decays. It allows for a model-independent
description of physics at the electroweak scale with the help of the
$\Delta B = 1$ effective theory which will be explained in more detail
for decays mediated at the partonic level by $b \to s \gamma$ and
$b \to s \bar{l}l$. The status of the current Standard Model predictions
will be given and furthermore examples of the sensitivity to New Physics
discussed in view of current and future experiments.
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