Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-12-29
Phys.Rev. D58 (1998) 055004
Physics
High Energy Physics
High Energy Physics - Phenomenology
26 pages, Latex, 1 Postscript figure
Scientific paper
10.1103/PhysRevD.58.055004
We discuss some phenomenological issues of the effective quark-lepton operators emerging from the bilinear lepton-Higgs couplings in the superpotential and in the soft supersymmetry (SUSY) breaking sector of the supersymmetric models without R-parity. The contribution of these operators to the neutrinoless double beta decay is derived. The corresponding nuclear matrix elements are calculated within the renormalized quasiparticle random phase approximation, which includes the Pauli effect of fermion pairs and does not collapse for the physical values of the nuclear force strength. On this basis we extract from the experimental data new stringent limits on the 1st generation mass parameter characterized the lepton-Higgs bilinear coupling and on the electron sneutrino vacuum expectation value.
Faessler Amand
Kovalenko Sergey
Simkovic Fedor
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