Radiative Gamma decays and a light pseudoscalar Higgs in the NMSSM
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Radiative Gamma decays and a light pseudoscalar Higgs in the NMSSM

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Radiative Gamma decays and a light pseudoscalar Higgs in the NMSSM

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dc.contributor.author Domingo, Florian
dc.contributor.author Ellwanger, Ulrich
dc.contributor.author Fullana Torregrosa, Esteban
dc.contributor.author Hugonie, Cyril
dc.contributor.author Sanchis Lozano, Miguel Ángel
dc.date.accessioned 2015-05-21T12:19:39Z
dc.date.available 2015-05-21T12:19:39Z
dc.date.issued 2009
dc.identifier.uri http://hdl.handle.net/10550/43932
dc.description.abstract We study possible effects of a light CP-odd Higgs boson on radiative Upsilon decays in the Next-to-Minimal Supersymmetric Standard Model. Recent constraints from CLEO on radiative Upsilon(1S) decays are translated into constraints on the parameter space of CP-odd Higgs boson masses and couplings, and compared to constraints from B physics and the muon anomalous magnetic moment. Possible Higgs - eta_b(nS) mixing effects are discussed, notably in the light of the recent measurement of the eta_b(1S) mass by Babar: The somewhat large Upsilon(1S) - eta_b(1S) hyperfine splitting could easily be explained by the presence of a CP-odd Higgs boson with a mass in the range 9.4 - 10.5 GeV. Then, tests of lepton universality in inclusive radiative Upsilon decays can provide a visible signal in forthcoming experimental data.
dc.language.iso eng
dc.relation.ispartof Journal of High Energy Physics, 2009, vol. 2009, num. 1, p. 061
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Domingo, Florian Ellwanger, Ulrich Fullana Torregrosa, Esteban Hugonie, Cyril Sanchis Lozano, Miguel Ángel 2009 Radiative Gamma decays and a light pseudoscalar Higgs in the NMSSM Journal of High Energy Physics 2009 1 061
dc.subject Física
dc.title Radiative Gamma decays and a light pseudoscalar Higgs in the NMSSM
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-05-21T12:19:40Z
dc.identifier.doi http://dx.doi.org/10.1088/1126-6708/2009/01/061
dc.identifier.idgrec 091248

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