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The minimal supersymmetric model without a mu term

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The minimal supersymmetric model without a mu term

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dc.contributor.author Nelson, Ann E.
dc.contributor.author Rius Dionis, Nuria
dc.contributor.author Sanz, Verónica
dc.contributor.author Unsal, Mithat
dc.date.accessioned 2015-03-03T11:17:19Z
dc.date.available 2015-03-03T11:17:19Z
dc.date.issued 2002
dc.identifier.citation Nelson, Ann E. Rius Dionis, Nuria Sanz, Verónica Unsal, Mithat 2002 The minimal supersymmetric model without a mu term Journal of High Energy Physics 2002 8 039-1 039-9
dc.identifier.uri http://hdl.handle.net/10550/42585
dc.description.abstract We propose a supersymmetric extension of the standard model which is a realistic alternative to the MSSM, and which has several advantages. No 'mu' supersymmetric Higgs/Higgsino mass parameter is needed for sufficiently heavy harginos. An approximate U(1)(R) symmetry naturally guarantees that tan beta is large, explaining the top/bottom quark mass hierarchy. This symmetry also suppresses supersymmetric contributions to anomalous magnetic moments, b --> sgamma, and proton decay, and these processes place no lower bounds on superpartner masses, even at large tan beta. The soft supersymmetry breaking mass parameters can easily be obtained from either gauge or Planck scale mediation, without the usual mu problem. Unlike in the MSSM, there are significant upper bounds on the masses of superpartners, including an upper bound of 114 GeV on the mass of the lightest chargino. However the MSSM bound on the lightest Higgs mass does not apply.
dc.language.iso eng
dc.relation.ispartof Journal of High Energy Physics, 2002, vol. 2002, num. 8, p. 039-1-039-9
dc.subject Física
dc.title The minimal supersymmetric model without a mu term
dc.type journal article es_ES
dc.date.updated 2015-03-03T11:17:19Z
dc.identifier.doi 10.1088/1126-6708/2002/08/039
dc.identifier.idgrec 043128
dc.rights.accessRights open access es_ES

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