Large Muon and electron Number Violations in Supergravity Theories - INSPIRE

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Large Muon and electron Number Violations in Supergravity Theories

Francesca Borzumati
(
- New York U.
)
,
Antonio Masiero
(
- New York U.
)

May, 1986

11 pages

Published in:

Phys.Rev.Lett. 57 (1986) 961

DOI:

10.1103/PhysRevLett.57.961

Report number:

NYU/TR4/86

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Abstract: (APS)

We discuss muon and electron lepton-number nonconservation due to renormalization effects of the scalar-lepton mass matrix in spontaneously broken N=1 supergravity theories. Differently from the case of massless or Dirac neutrinos, we find that if neutrinos are Majorana particles in a "seesaw" scheme the couplings photino-lepton-scalar-lepton lead to sizable rates for the processes μ→eγ and μ+nucleus→e+nucleus. We discuss the constraints derived from the present experimental bounds.

SUPERGRAVITY
LEPTON NUMBER: VIOLATION
SPONTANEOUS SYMMETRY BREAKING
MUON: DECAY
DECAY: MUON
MASS: SLEPTON
SLEPTON: MASS
NEUTRINO: MASS
MASS: NEUTRINO
RENORMALIZATION: REGULARIZATION

References(7)

Figures(0)

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