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Charged Higgs mass bounds from b -> s gamma in a bilinear R-parity violating model

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Charged Higgs mass bounds from b -> s gamma in a bilinear R-parity violating model

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dc.contributor.author Díaz, Marco Aurelio
dc.contributor.author Torrente Luján, Emilio
dc.contributor.author Furtado Valle, José Wagner
dc.date.accessioned 2015-10-22T17:22:44Z
dc.date.available 2015-10-22T17:22:44Z
dc.date.issued 1999
dc.identifier.citation Díaz, Marco Aurelio Torrente Luján, Emilio Furtado Valle, José Wagner 1999 Charged Higgs mass bounds from b -> s gamma in a bilinear R-parity violating model Nuclear Physics B 551 1-2 78 92
dc.identifier.uri http://hdl.handle.net/10550/47893
dc.description.abstract The experimental measurement of B(b→sγ) imposes important constraints on the charged Higgs boson mass in the MSSM. If squarks are in the few TeV range, the charged Higgs boson mass in the MSSM must satisfy $m_{H^{\pm}} \gsim 440$ GeV. For lighter squarks, then light charged Higgs bosons can be reconciled with B(b→sγ) only if there is also a light chargino. In the MSSM if we impose mχ±1>90 GeV then we need $m_{H^{\pm}} \gsim 110$ GeV. We show that by adding bilinear R--Parity violation (BRpV) in the tau sector, these bounds are relaxed. The bound on mH± in the MSSM--BRpV model is $\gsim 340$ GeV for the the heavy squark case and $m_{H^{\pm}} \gsim 75$ GeV for the case of light squarks. In this case the charged Higgs bosons would be observable at LEP II. The relaxation of the bounds is due mainly to the fact that charged Higgs bosons mix with staus and they contribute importantly to B(b→sγ).
dc.language.iso eng
dc.relation.ispartof Nuclear Physics B, 1999, vol. 551, num. 1-2, p. 78-92
dc.subject Física
dc.title Charged Higgs mass bounds from b -> s gamma in a bilinear R-parity violating model
dc.type journal article es_ES
dc.date.updated 2015-10-22T17:22:44Z
dc.identifier.doi 10.1016/S0550-3213(99)00166-2
dc.identifier.idgrec 073525
dc.rights.accessRights open access es_ES

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