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Double neutral Higgs production in the two-Higgs doublet model at the LHC

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Published 11 August 2009 • , ,

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Author e-mails

aarhrib@ictp.it

rbenbrik@ictp.it

physchen@mail.ncku.edu.tw

R.B.Guedes@soton.ac.uk

rsantos@cii.fc.ul.pt

Author affiliations

a National Center for Theoretical Physics, National Taiwan University, Taipei, Taiwan 10617, R.O.C.

b Département de Mathématique, Faculté des Sciences and Techniques, Université Abdelmalek Essaâdi, B. 416, Tangier, Morocco

c LPHEA, Faculté des Sciences-Semlalia, B.P. 2390 Marrakesh, Morocco

d Department of Physics, National Cheng Kung University, Taiwan 701, Taiwan, R.O.C.

e National Center for Theoretical Physics, Taiwan 701, R.O.C.

f NExT Institute and School of Physics and Astronomy, University of Southampton Highfield, Southampton SO17 1BJ, U.K.

Dates

Received 9 June 2009
Accepted 8 July 2009
Published

Citation

Abdesslam Arhrib et al JHEP08(2009)035

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DOI

https://doi.org/10.1088/1126-6708/2009/08/035

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1126-6708/2009/08/035

Abstract

In this work we study the production and decay of two CP-even Higgs bosons in the general CP-conserving two-Higgs doublet model at the LHC. We also study the limiting case of the decoupling scenario. For each Yukawa version of the model, we look for the region of the parameter space where a signal would be seen at the LHC. Taking into account theoretical and experimental constraints on the two Higgs doublet model parameters, we show that the cross section can be two orders of magnitude above the corresponding Standard Model cross section. We have also studied in detail the decay profile of the Higgs bosons and showed that interesting signatures may emerge for some particular values of the parameters. There are scenarios where some of the triple Higgs couplings could be measured.

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