Large diphoton Higgs rates from supersymmetric triplets

Delgado A, Nardini G, Quiros M (2012)
Physical Review D 86(11).

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Abstract
Recent results on Higgs searches at the LHC point towards the existence of aHiggs boson with mass of about 126 GeV whose diphoton decay rate tends to belarger than in the Standard Model. These results are in tension with naturalMSSM scenarios: such a Higgs mass requires heavy (third-generation) squarkswhich reintroduce some amount of fine-tuning and in general the Higgs diphotondecay rate tends to follow the Standard Model result. In this paper we provethat these problems can be fixed by introducing an extra supersymmetric tripletcoupled to the Higgs in the superpotential. This superfield generates asizeable tree-level correction to the Higgs mass so that the third generationis no longer required to be heavy, and its charged component enhances thediphoton Higgs decay rates by as much as 70% with respect to the Standard Modelvalues. We also show that such a scenario is compatible with presentelectroweak precision observables.
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Delgado A, Nardini G, Quiros M. Large diphoton Higgs rates from supersymmetric triplets. Physical Review D. 2012;86(11).
Delgado, A., Nardini, G., & Quiros, M. (2012). Large diphoton Higgs rates from supersymmetric triplets. Physical Review D, 86(11).
Delgado, A., Nardini, G., and Quiros, M. (2012). Large diphoton Higgs rates from supersymmetric triplets. Physical Review D 86.
Delgado, A., Nardini, G., & Quiros, M., 2012. Large diphoton Higgs rates from supersymmetric triplets. Physical Review D, 86(11).
A. Delgado, G. Nardini, and M. Quiros, “Large diphoton Higgs rates from supersymmetric triplets”, Physical Review D, vol. 86, 2012.
Delgado, A., Nardini, G., Quiros, M.: Large diphoton Higgs rates from supersymmetric triplets. Physical Review D. 86, (2012).
Delgado, Antonio, Nardini, Germano, and Quiros, Mariano. “Large diphoton Higgs rates from supersymmetric triplets”. Physical Review D 86.11 (2012).
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