Particle Spectrum in the Non-Minimal Supersymmetric Standard Model with $\tanβ\simeq m_t/m_b$

Details Particle Spectrum in the Non-Minimal Supersymmetric Standard Model with $\tanβ\simeq m_t/m_b$ Particle Spectrum in the Non-Minimal Supersymmetric Standard Model with $\tanβ\simeq m_t/m_b$

1995-11-26

arxiv.org/abs/hep-ph/9511415v1

Phys.Lett. B371 (1996) 245-251

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages plain LaTeX and 3 figures supplied on request from banantha@ulys.unil.ch or anant@butp.unibe.ch

Scientific paper

10.1016/0370-2693(96)00010-X

We present a detailed discussion of the particle spectrum of the Non-Minimal Supersymmetric Standard Model (NMSSM), containing two Higgs doublets and a singlet, in the limit $\tan\beta \simeq m_t/m_b$. This is compared with the corresponding particle spectrum of the Minimal Supersymmetric Standard Model (MSSM). In this limit the singlet vacuum expectation value is forced to be large, of the order of $10$ TeV, and the singlet decouples from the lightest scalar Higgs boson and the neutralinos. With the exception of the lightest Higgs boson, the particle spectrum in the model turns out to be heavy. The radiatively corrected lightest Higgs boson mass is in the neighbourhood of $\sim 130$ GeV.

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