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Supersymmetric model with Higgs triplet

Supersymmetric model with Higgs triplet
Supersymmetric model with Higgs triplet
We present a study of the Higgs sector within an extension of the Minimal Supersymmetric Standard Model that includes one Complex Higgs Triplet (MSSM+1CHT). The model spectrum includes three singly charged Higgs bosons as well as three CP?even (or scalar) and two CP?odd (or pseudoscalar) neutral Higgs bosons. We present an approximated calculation of the one?loop radiative corrections to the neutral CP?even Higgs masses (mHi0) and the couplings Hi0Z0Z0(i? = ?1,2,3), which determine the magnitude of the Higgs?strahlung processes e+e??Z0Hi0. Limits from LEP2 are then considered, in order to obtain bounds on the neutral Higgs sector. Further, we also include the experimental limits from LEP2 on e+e??H+H? and those on BR(t?bH+) from Tevatron, to derive bounds on the mass of the two lightest charged Higgs bosons (H1± and H2±). Concerning the latter, we find some cases, where mH1± ? 90?GeV, that are not excluded by any experimental bound, even for large values of tan?, so that they should be looked for at the Large Hadron Collider (LHC).
higgs model, standard model, higgs bosons
978-0-7354-0548-6
138-145
Diaz-Cruz, J.L.
22bc9762-21a5-4b13-aa9f-0ed980eb9d7c
Hernandez-Sanchez, J.
1559f21d-dc8f-4616-93b3-44ed3ecd32ff
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614
Rosado, A.
72e02cc9-ced1-4662-b23d-902e987f26aa
Diaz-Cruz, J.L.
22bc9762-21a5-4b13-aa9f-0ed980eb9d7c
Hernandez-Sanchez, J.
1559f21d-dc8f-4616-93b3-44ed3ecd32ff
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614
Rosado, A.
72e02cc9-ced1-4662-b23d-902e987f26aa

Diaz-Cruz, J.L., Hernandez-Sanchez, J., Moretti, S. and Rosado, A. (2008) Supersymmetric model with Higgs triplet. PARTICLES AND FIELDS: XI Mexican Workshop on Particles and Fields, Mexico. 07 - 12 Nov 2007. pp. 138-145 . (doi:10.1063/1.2965036).

Record type: Conference or Workshop Item (Paper)

Abstract

We present a study of the Higgs sector within an extension of the Minimal Supersymmetric Standard Model that includes one Complex Higgs Triplet (MSSM+1CHT). The model spectrum includes three singly charged Higgs bosons as well as three CP?even (or scalar) and two CP?odd (or pseudoscalar) neutral Higgs bosons. We present an approximated calculation of the one?loop radiative corrections to the neutral CP?even Higgs masses (mHi0) and the couplings Hi0Z0Z0(i? = ?1,2,3), which determine the magnitude of the Higgs?strahlung processes e+e??Z0Hi0. Limits from LEP2 are then considered, in order to obtain bounds on the neutral Higgs sector. Further, we also include the experimental limits from LEP2 on e+e??H+H? and those on BR(t?bH+) from Tevatron, to derive bounds on the mass of the two lightest charged Higgs bosons (H1± and H2±). Concerning the latter, we find some cases, where mH1± ? 90?GeV, that are not excluded by any experimental bound, even for large values of tan?, so that they should be looked for at the Large Hadron Collider (LHC).

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More information

Published date: 14 July 2008
Venue - Dates: PARTICLES AND FIELDS: XI Mexican Workshop on Particles and Fields, Mexico, 2007-11-07 - 2007-11-12
Keywords: higgs model, standard model, higgs bosons
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 144415
URI: http://eprints.soton.ac.uk/id/eprint/144415
ISBN: 978-0-7354-0548-6
PURE UUID: 3caf62de-2e9e-4191-a66b-19a61626eead

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Date deposited: 01 Oct 2013 14:40
Last modified: 17 Jul 2019 00:07

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Contributors

Author: J.L. Diaz-Cruz
Author: J. Hernandez-Sanchez
Author: S. Moretti
Author: A. Rosado

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