Pair production of charged Higgs bosons in association with bottom quark pairs at the Large Hadron Collider
Moretti, S. and Rathsman, J. (2004) Pair production of charged Higgs bosons in association with bottom quark pairs at the Large Hadron Collider. European Physical Journal C - Particles and Fields, 33, (1), 41-52. (doi:10.1140/epjc/s2003-01529-1).
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We study the process gg → b¯bH+H− at large tan β, where it represents the dominant
production mode of charged Higgs boson pairs in a Type II 2-Higgs doublet model, including the
minimal supersymmetric standard model. The ability to select this signal would in principle enable the
measurements of some triple-Higgs couplings, which in turn would help understanding the structure of
the extended Higgs sector. We outline a selection procedure that should aid in disentangling the Higgs
signal from the main irreducible background. This exploits a signature made up by “four b-quark jets, two
light-quark jets, a τ -lepton and missing energy”. While, for tan β 30 and over a significant MH± range
above the top mass, a small signal emerges already at the Large Hadron Collider after 100 fb−1, ten times
as much luminosity would be needed to perform accurate measurements of Higgs parameters in the above
final state, rendering this channel a primary candidate to benefit from the so-called “Super” Large Hadron
Collider option, for which a tenfold increase in instantaneous luminosity is currently being considered.
|Subjects:||T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
|Divisions:||University Structure - Pre August 2011 > School of Physics and Astronomy
|Date Deposited:||15 Aug 2008|
|Last Modified:||27 Mar 2014 18:40|
|Contact Email Address:||firstname.lastname@example.org|
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