Eur. Phys. J. C 10, 515-535
DOI 10.1007/s100529900159
Higgs production in association with squark pairs in the Minimal Supersymmetric Standard Model at future hadron colliders
A. Dedes, S. Moretti
Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, UK
Received: 11 May 1999 / Published online: 3 August 1999
Abstract
We study neutral and charged Higgs boson production in
association with stop and sbottom squarks at the Large Hadron
Collider, within the Supergravity inspired
Minimal Supersymmetric Standard Model.
The phenomenological
relevance of such reactions is twofold.
Firstly, they constitute a novel production mechanism of
Higgs particles, either through a decay of a heavier (anti)squark
into a lighter one or via a Higgs bremsstrahlung process.
Secondly, their production rates are extremely sensitive to the values
assumed by the five input parameters of the model, this possibly allowing
one to put stringent constraints on the latter.
After an exhaustive scan of the parameter space,
we find that the majority of such processes could be detectable at
high luminosity, provided is large,
(except in
the case of
and
final
states, whose
detection is also possible for smaller values), that the universal
soft Supersymmetric breaking masses are in the ranges
GeV and
GeV, and that the trilinear couplings are negative,
A0 < 0.
We also point out some sizable decay signatures and discuss their
Standard Model (SM) backgrounds.
Finally,
we derive compact analytical formulae
of the corresponding scattering matrix elements.
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