A light supersymmetric Higgs sector hidden by a standard model-like Higgs

Delgado A, Nardini G, Quiros M (2013)
Journal of High Energy Physics 2013(7): 54.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Delgado, Antonio; Nardini, GermanoUniBi; Quiros, Mariano
Abstract / Bemerkung
Extending the Higgs sector of the MSSM by triplets alleviates the little hierarchy problem and naturally allows for enhancements in the diphoton decay rate of the lightest CP-even Higgs h. In the present paper we analyze in detail the Higgs phenomenology of this theory with m(h) similar or equal to 126GeV. We mostly focus on a light Higgs sector where the pseudoscalar A, the next-to-lightest CP-even scalar H and the charged H-+/- Higgses are naturally at the electroweak scale. It turns out that for any value m(A) greater than or similar to m(h) there is a parameter region at small tan beta where the CP-even Higgs sector appears at colliders as the SM one, except for loop-induced corrections. Notably the existence of this SM-like point, which is absent in the MSSM, is shared with supersymmetric theories where there are extra singlets. We also highlight a second parameter region at small m A and small tan beta where the h signal strengths, diphoton channel included, are SM-like except those of bottoms and taus which can have at most a 10-15% splitting. Improvements in the A and H-+/- searches are worthwhile in order to discriminate this scenario from the SM.
Stichworte
Supersymmetry Phenomenology
Erscheinungsjahr
2013
Zeitschriftentitel
Journal of High Energy Physics
Band
2013
Ausgabe
7
Art.-Nr.
54
ISSN
1029-8479
eISSN
1029-8479
Page URI
https://pub.uni-bielefeld.de/record/2638559

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Delgado A, Nardini G, Quiros M. A light supersymmetric Higgs sector hidden by a standard model-like Higgs. Journal of High Energy Physics. 2013;2013(7): 54.
Delgado, A., Nardini, G., & Quiros, M. (2013). A light supersymmetric Higgs sector hidden by a standard model-like Higgs. Journal of High Energy Physics, 2013(7), 54. doi:10.1007/JHEP07(2013)054
Delgado, Antonio, Nardini, Germano, and Quiros, Mariano. 2013. “A light supersymmetric Higgs sector hidden by a standard model-like Higgs”. Journal of High Energy Physics 2013 (7): 54.
Delgado, A., Nardini, G., and Quiros, M. (2013). A light supersymmetric Higgs sector hidden by a standard model-like Higgs. Journal of High Energy Physics 2013:54.
Delgado, A., Nardini, G., & Quiros, M., 2013. A light supersymmetric Higgs sector hidden by a standard model-like Higgs. Journal of High Energy Physics, 2013(7): 54.
A. Delgado, G. Nardini, and M. Quiros, “A light supersymmetric Higgs sector hidden by a standard model-like Higgs”, Journal of High Energy Physics, vol. 2013, 2013, : 54.
Delgado, A., Nardini, G., Quiros, M.: A light supersymmetric Higgs sector hidden by a standard model-like Higgs. Journal of High Energy Physics. 2013, : 54 (2013).
Delgado, Antonio, Nardini, Germano, and Quiros, Mariano. “A light supersymmetric Higgs sector hidden by a standard model-like Higgs”. Journal of High Energy Physics 2013.7 (2013): 54.
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