The Supersymmetric Singlet Majoron

Details The Supersymmetric Singlet Majoron The Supersymmetric Singlet Majoron

1992-09-30

arxiv.org/abs/hep-ph/9209296v1

Nucl.Phys. B396 (1993) 243-260

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 pages, CERN-TH 6656/92 DFPD 92/TH/43 SISSA-127/92 AP, 2 figures available upon e-mail request

Scientific paper

10.1016/0550-3213(93)90265-Q

We study the supersymmetrized version of the singlet majoron model and, performing an analysis of the renormalization group equation improved potential, we find that a spontaneous breaking of $R$-parity can be achieved for a wide range of the parameters. Studying the finite temperature effective potential, we show that the phase transition leading to $R$-parity breaking can be of the first order and can occur at temperatures below the weak scale, thus avoiding any constraint coming from the requirement of the preservation of the baryon asymmetry in the early Universe.

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