Neutral Higgs sector of the MSSM without Rp

Sacha Davidson; Marta Losada; Nuria Rius

doi:10.1016/S0550-3213(00)00471-5

Neutral Higgs sector of the MSSM without R_p

Sacha Davidson, Marta Losada, Nuria Rius

Physics

Research output: Contribution to journal › Article › peer-review

Abstract

We analyse the neutral scalar sector of the MSSM without R-parity. Our analysis is performed for a one-generation model in terms of "basis-independent" parameters, and includes one-loop corrections due to large Yukawa couplings. We concentrate on the consequences of large R_p violating masses in the soft sector, which mix the higgses with the sleptons, because these are only constrained by their one-loop contributions to neutrino masses. We focus on the effect of R_p -violation on the Higgs mass and branching ratios. We find that the experimental lower bound on the lightest CP-even Higgs in this model can be lower than in the MSSM.

Original language	English (US)
Pages (from-to)	118-146
Number of pages	29
Journal	Nuclear Physics B
Volume	587
Issue number	1-3
DOIs	https://doi.org/10.1016/S0550-3213(00)00471-5
State	Published - Oct 30 2000

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/S0550-3213(00)00471-5

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title = "Neutral Higgs sector of the MSSM without Rp",

abstract = "We analyse the neutral scalar sector of the MSSM without R-parity. Our analysis is performed for a one-generation model in terms of {"}basis-independent{"} parameters, and includes one-loop corrections due to large Yukawa couplings. We concentrate on the consequences of large Rp violating masses in the soft sector, which mix the higgses with the sleptons, because these are only constrained by their one-loop contributions to neutrino masses. We focus on the effect of Rp -violation on the Higgs mass and branching ratios. We find that the experimental lower bound on the lightest CP-even Higgs in this model can be lower than in the MSSM.",

author = "Sacha Davidson and Marta Losada and Nuria Rius",

note = "Funding Information: S.D. and M.L. would like to thank J.R. Espinosa, P. Gambino, G. Ganis, G. Giudice and C. Wagner for useful discussions. N.R. wants to thank the CERN TH Division for kind hospitality. This work was supported in part by DGESIC under Grant No. PB97-1261, by DGICYT under contract PB95-1077 and by EEC under the TMR contract ERBFMRX-CT96-0090.",

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T1 - Neutral Higgs sector of the MSSM without Rp

AU - Davidson, Sacha

AU - Losada, Marta

AU - Rius, Nuria

N1 - Funding Information: S.D. and M.L. would like to thank J.R. Espinosa, P. Gambino, G. Ganis, G. Giudice and C. Wagner for useful discussions. N.R. wants to thank the CERN TH Division for kind hospitality. This work was supported in part by DGESIC under Grant No. PB97-1261, by DGICYT under contract PB95-1077 and by EEC under the TMR contract ERBFMRX-CT96-0090.

PY - 2000/10/30

Y1 - 2000/10/30

N2 - We analyse the neutral scalar sector of the MSSM without R-parity. Our analysis is performed for a one-generation model in terms of "basis-independent" parameters, and includes one-loop corrections due to large Yukawa couplings. We concentrate on the consequences of large Rp violating masses in the soft sector, which mix the higgses with the sleptons, because these are only constrained by their one-loop contributions to neutrino masses. We focus on the effect of Rp -violation on the Higgs mass and branching ratios. We find that the experimental lower bound on the lightest CP-even Higgs in this model can be lower than in the MSSM.

AB - We analyse the neutral scalar sector of the MSSM without R-parity. Our analysis is performed for a one-generation model in terms of "basis-independent" parameters, and includes one-loop corrections due to large Yukawa couplings. We concentrate on the consequences of large Rp violating masses in the soft sector, which mix the higgses with the sleptons, because these are only constrained by their one-loop contributions to neutrino masses. We focus on the effect of Rp -violation on the Higgs mass and branching ratios. We find that the experimental lower bound on the lightest CP-even Higgs in this model can be lower than in the MSSM.

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SP - 118

EP - 146

JO - Nuclear Physics B

JF - Nuclear Physics B

IS - 1-3

ER -

Neutral Higgs sector of the MSSM without R_p

Abstract

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