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Prospects for charged Higgs searches at the LHC

Prospects for charged Higgs searches at the LHC
Prospects for charged Higgs searches at the LHC
The goal of this report is to summarize the current situation and discuss possible search strategies for charged scalars, in non-supersymmetric extensions of the Standard Model at the LHC. Such scalars appear in Multi-Higgs-Doublet models (MHDM), in particular in the popular Two-Higgs-Doublet model (2HDM), allowing for charged and additional neutral Higgs bosons. These models have the attractive property that electroweak precision observables are automatically in agreement with the Standard Model at the tree level. For the most popular version of this framework, Model~II, a discovery of a charged Higgs boson remains challenging, since the parameter space is becoming very constrained, and the QCD background is very high. We also briefly comment on models with dark matter which constrain the corresponding charged scalars that occur in these models. The stakes of a possible discovery of an extended scalar sector are very high, and these searches should be pursued in all conceivable channels, at the LHC and at future colliders.
hep-ph
Akeroyd, A.G.
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Aoki, M.
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Arhrib, A.
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Basso, L.
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Ginzburg, I.F.
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Guedes, R.
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Hernandez-Sanchez, J.
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Huitu, K.
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Hurth, T.
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Kadastik, M.
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Kanemura, S.
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Kannike, K.
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Khater, W.
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Krawczyk, M.
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Mahmoudi, F.
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Moretti, S.
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Najjari, S.
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Osland, P.
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Pruna, G.M.
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Purmohammadi, M.
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Racioppi, A.
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Raidal, M.
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Santos, R.
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Sharma, P.
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Sokołowska, D.
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Stål, O.
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Yagyu, K.
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Yildirim, E.
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Akeroyd, A.G.
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Aoki, M.
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Arhrib, A.
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Basso, L.
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Ginzburg, I.F.
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Guedes, R.
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Hernandez-Sanchez, J.
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Huitu, K.
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Hurth, T.
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Kadastik, M.
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Kanemura, S.
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Kannike, K.
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Khater, W.
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Krawczyk, M.
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Mahmoudi, F.
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Moretti, S.
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Najjari, S.
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Osland, P.
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Pruna, G.M.
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Purmohammadi, M.
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Racioppi, A.
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Raidal, M.
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Santos, R.
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Sharma, P.
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Sokołowska, D.
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Stål, O.
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Yagyu, K.
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Yildirim, E.
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Akeroyd, A.G., Aoki, M., Arhrib, A., Basso, L., Ginzburg, I.F., Guedes, R., Hernandez-Sanchez, J., Huitu, K., Hurth, T., Kadastik, M., Kanemura, S., Kannike, K., Khater, W., Krawczyk, M., Mahmoudi, F., Moretti, S., Najjari, S., Osland, P., Pruna, G.M., Purmohammadi, M., Racioppi, A., Raidal, M., Santos, R., Sharma, P., Sokołowska, D., Stål, O., Yagyu, K. and Yildirim, E. (2017) Prospects for charged Higgs searches at the LHC. The European Physical Journal C, 77, [276]. (doi:10.1140/epjc/s10052-017-4829-2).

Record type: Article

Abstract

The goal of this report is to summarize the current situation and discuss possible search strategies for charged scalars, in non-supersymmetric extensions of the Standard Model at the LHC. Such scalars appear in Multi-Higgs-Doublet models (MHDM), in particular in the popular Two-Higgs-Doublet model (2HDM), allowing for charged and additional neutral Higgs bosons. These models have the attractive property that electroweak precision observables are automatically in agreement with the Standard Model at the tree level. For the most popular version of this framework, Model~II, a discovery of a charged Higgs boson remains challenging, since the parameter space is becoming very constrained, and the QCD background is very high. We also briefly comment on models with dark matter which constrain the corresponding charged scalars that occur in these models. The stakes of a possible discovery of an extended scalar sector are very high, and these searches should be pursued in all conceivable channels, at the LHC and at future colliders.

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s10052-017-4829-2 - Version of Record
Available under License Creative Commons Attribution.
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Accepted/In Press date: 7 April 2017
e-pub ahead of print date: 3 May 2017
Additional Information: 65 pages, revised version to appear in EPJ C
Keywords: hep-ph
Organisations: Physics & Astronomy, Theory Group
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Identifiers

Local EPrints ID: 411858
URI: http://eprints.soton.ac.uk/id/eprint/411858
DOI: doi:10.1140/epjc/s10052-017-4829-2
PURE UUID: 40e87e70-33b9-4fb5-99a4-65194ef10177
ORCID for A.G. Akeroyd: ORCID iD orcid.org/0000-0001-7742-7035
ORCID for S. Moretti: ORCID iD orcid.org/0000-0002-8601-7246

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Date deposited: 27 Jun 2017 16:31
Last modified: 16 Mar 2024 04:06

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Contributors

Author: A.G. Akeroyd ORCID iD
Author: M. Aoki
Author: A. Arhrib
Author: L. Basso
Author: I.F. Ginzburg
Author: R. Guedes
Author: J. Hernandez-Sanchez
Author: K. Huitu
Author: T. Hurth
Author: M. Kadastik
Author: S. Kanemura
Author: K. Kannike
Author: W. Khater
Author: M. Krawczyk
Author: F. Mahmoudi
Author: S. Moretti ORCID iD
Author: S. Najjari
Author: P. Osland
Author: G.M. Pruna
Author: M. Purmohammadi
Author: A. Racioppi
Author: M. Raidal
Author: R. Santos
Author: P. Sharma
Author: D. Sokołowska
Author: O. Stål
Author: K. Yagyu
Author: E. Yildirim

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