Can solar neutrino oscillation parameters be probed at LEP? - INSPIRE

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Can solar neutrino oscillation parameters be probed at LEP?

J.C. Romao
(
- Lisbon, IFM
)
,
J.W.F. Valle
(
- Valencia U.
)

Sep 10, 1991

7 pages

Published in:

Phys.Lett.B 272 (1991) 436-442

Published: 1991

DOI:

10.1016/0370-2693(91)91855-P

Report number:

FTUV-91-28,
IFIC-91-25

View in:

ADS Abstract Service

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Abstract: (Elsevier)

Supersymmetry with spontaneously broken R parity naturally leads to the explanation of the observed deficit in the solar neutrino flux via matter-enhanced ν e -ν μ oscillations, while m ν τ is large enough to lead to related signatures associated with the τ lepton. These include single chargino production in Z decays with branching ratio BR ( Z → χ τ) as large as ∼6×10 −5 , accessible at LEP1. The ν τ is naturally much heavier than ν μ and decays to it via majoron emission, with a lifetime short enough to obey cosmological limits.

neutrino: solar
neutrino: flux
flux: neutrino
neutrino: oscillation
resonance: oscillation
oscillation: resonance
neutrino: mass difference
mass difference: neutrino
neutrino: mixing angle
Z0: decay

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