Basis-independent analysis of the sneutrino sector in R-parity violating supersymmetry

Details Basis-independent analysis of the sneutrino sector in R-parity violating supersymmetry Basis-independent analysis of the sneutrino sector in R-parity violating supersymmetry

2000-05-27

arxiv.org/abs/hep-ph/0005276v3

Phys.Rev. D63 (2001) 075011

Physics

High Energy Physics

High Energy Physics - Phenomenology

26 pages, revtex, no figures. Minor modifications. Version to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.63.075011

In R-parity-violating supersymmetric models (with a conserved baryon number), there are no quantum numbers that distinguish the lepton-doublet and down-type Higgs supermultiplets. As a result, the R-parity-violating parameters depend on the basis choice for these superfields, although physical observables are independent of the choice of basis. This paper presents a basis-independent computation of the sneutrino/antisneutrino squared-mass splitting in terms of basis-independent quantities. Techniques are developed for an arbitrary number of sneutrino generations; specific results are provided for the one, two and three generation cases.

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