Inclusive semileptonic $$ {B}_s^0 $$ meson decays at the LHC via a sum-of-exclusive modes technique: possibilities and prospects
High Energy Physics - Phenomenology
High Energy Physics - Experiment (hep-ex)
High Energy Physics - Phenomenology (hep-ph)
FOS: Physical sciences
High Energy Physics - Experiment
DOI:
10.1007/jhep06(2024)158
Publication Date:
2024-06-26T12:02:33Z
AUTHORS (4)
ABSTRACT
Abstract
We propose an approach for measuring the moments of the hadronic invariant mass distribution in semileptonic
$$ {B}_s^0 $$
B
s
0
meson decays using a sum-of-exclusive technique. Using the present and foreseen knowledge about exclusive semileptonic
$$ {B}_s^0 $$
B
s
0
decays, we estimate the uncertainties on moments of the kinematic distribution. Semileptonic
$$ {B}_s^0 $$
B
s
0
decays can be described, as their B
0 counterpart, using the Heavy Quark Expansion (HQE), with the only difference between the
$$ {B}_s^0 $$
B
s
0
and B
0 mesons being the SU(3)
F
breaking effects that change the numerical values of the non-perturbative HQE parameters. We extract the HQE parameters for the
$$ {B}_s^0 $$
B
s
0
decays from our estimates of the moments, showing the potential of the proposed method. We identify a set of required measurements for a future precision measurement.
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