Search for heavy isosinglet neutrino in $e^{+} e^{-}$ annihilation at LEP - INSPIRE

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Search for heavy isosinglet neutrino in $e^{+} e^{-}$ annihilation at LEP

L3

Collaboration

Jul, 2001

14 pages

Published in:

Phys.Lett.B 517 (2001) 67-74

e-Print:

hep-ex/0107014 [hep-ex]

DOI:

10.1016/S0370-2693(01)00993-5

Report number:

CERN-EP-2001-045

Experiments:

CERN-LEP-L3

View in:

reference search112 citations

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Abstract: (Elsevier)

We report on a search for the first generation heavy neutrino that is an isosinglet under the standard SU (2) L gauge group. The data collected with the L3 detector at center-of-mass energies between 130 GeV and 208 GeV are used. The decay channel N e →eW is investigated and no evidence is found for a heavy neutrino, N e , in a mass range between 80 GeV and 205 GeV. Upper limits on the mixing parameter between the heavy and light neutrino are derived.

electron positron: colliding beams
electron positron: annihilation
new particle: search for
neutrino: heavy
neutrino: decay
neutrino: mass
neutrino: interference
upper limit
numerical calculations: Monte Carlo
L3

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