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Pair production of charged Higgs bosons in association with bottom quark pairs at the Large Hadron Collider
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Physics, Department of Nuclear and Particle Physics. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Physics, Department of Nuclear and Particle Physics, High Energy Physics. Högenergifysik. (Teoretisk Högenergifysik)
2004 (English)In: The European Physical Journal C: Particles and Fields, ISSN 1434-6044, Vol. 33, no 1, 41-52 p.Article in journal (Refereed) Published
Abstract [en]

We study the process $gg\to b\bar b H^ + H^-$ at large $\tan\beta$ , 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 $\tau$ -lepton and missing energy". While, for $\tan\beta\gtrsim30$ and over a significant $M_{H^\pm}$ 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 ldquoSuperrdquo Large Hadron Collider option, for which a tenfold increase in instantaneous luminosity is currently being considered.

Place, publisher, year, edition, pages
2004. Vol. 33, no 1, 41-52 p.
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:uu:diva-73766DOI: doi:10.1140/epjc/s2003-01529-1OAI: oai:DiVA.org:uu-73766DiVA: diva2:101676
Available from: 2005-06-20 Created: 2005-06-20 Last updated: 2011-01-12

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Rathsman, Johan

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  • apa
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  • Other style
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  • nn-NB
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  • Other locale
More languages
Output format
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