Search for excited neutrinos in Z decay

Decamp, D. and Finch, Alexander (1990) Search for excited neutrinos in Z decay. Physics Letters B, 250 (1-2). pp. 172-182. ISSN 0370-2693

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Excited neutrinos decaying into a neutrino and a photon are searched for in the ALEPH detector at LEP. No evidence is found for Z decay into v̄v∗ or v̄∗v∗ final states. Upper limits are derived on excited neutrino couplings up to excited neutrino masses close to the Z mass. Lower limits on the v∗ mass, independent of the v∗ decay modes, are deduced from the total Z width.

Item Type: Journal Article
Journal or Publication Title: Physics Letters B
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/3100/3106
Departments: Faculty of Science and Technology > Physics
ID Code: 63803
Deposited By: ep_importer_pure
Deposited On: 02 May 2013 15:26
Refereed?: Yes
Published?: Published
Last Modified: 30 Sep 2019 17:23

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