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Higgs mass corrections in the SUSY B-L model with inverse seesaw

Higgs mass corrections in the SUSY B-L model with inverse seesaw
Higgs mass corrections in the SUSY B-L model with inverse seesaw
In the context of the Supersymmetric (SUSY) B-L (Baryon minus Lepton number) model with an inverse seesaw mechanism, we calculate the one-loop radiative corrections due to right-handed (s)neutrinos to the mass of the lightest Higgs boson when the latter is Standard Model (SM)-like. We show that such effects can be as large as O(100) GeV, thereby giving an absolute upper limit on such a mass around 200 GeV. The importance of this result from a phenomenological point of view is twofold. On the one hand, this enhancement greatly reconciles theory and experiment, by alleviating the so-called 'little hierarchy problem' of the minimal SUSY realization, whereby the current experimental limit on the SM-like Higgs mass is very near its absolute upper limit predicted theoretically, of 130 GeV. On the other hand, a SM-like Higgs boson with mass below 200 GeV is still well within the reach of the Large Hadron Collider (LHC), so that the SUSY realization discussed here is just as testable as the minimal version.
0370-2693
208-213
Elsayed, A.
f995816a-2847-4616-99b3-b364ae97d32a
Khalil, S.
6021465e-2f5d-4677-846d-05aebc4499f6
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614
Elsayed, A.
f995816a-2847-4616-99b3-b364ae97d32a
Khalil, S.
6021465e-2f5d-4677-846d-05aebc4499f6
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614

Elsayed, A., Khalil, S. and Moretti, S. (2012) Higgs mass corrections in the SUSY B-L model with inverse seesaw. Physics Letters B, 715 (1-3), 208-213. (doi:10.1016/j.physletb.2012.07.066).

Record type: Article

Abstract

In the context of the Supersymmetric (SUSY) B-L (Baryon minus Lepton number) model with an inverse seesaw mechanism, we calculate the one-loop radiative corrections due to right-handed (s)neutrinos to the mass of the lightest Higgs boson when the latter is Standard Model (SM)-like. We show that such effects can be as large as O(100) GeV, thereby giving an absolute upper limit on such a mass around 200 GeV. The importance of this result from a phenomenological point of view is twofold. On the one hand, this enhancement greatly reconciles theory and experiment, by alleviating the so-called 'little hierarchy problem' of the minimal SUSY realization, whereby the current experimental limit on the SM-like Higgs mass is very near its absolute upper limit predicted theoretically, of 130 GeV. On the other hand, a SM-like Higgs boson with mass below 200 GeV is still well within the reach of the Large Hadron Collider (LHC), so that the SUSY realization discussed here is just as testable as the minimal version.

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Published date: August 2012
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 356701
URI: http://eprints.soton.ac.uk/id/eprint/356701
ISSN: 0370-2693
PURE UUID: 76b4ece4-7124-47bd-8632-458970efe263

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Date deposited: 08 Oct 2013 10:37
Last modified: 09 Nov 2021 00:32

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Contributors

Author: A. Elsayed
Author: S. Khalil
Author: S. Moretti

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