Phys. Rev. Lett. 66, 3117–3120 (1991)Neutrino tridents and W-Z interferenceReceived 12 February 1991; published in the issue dated 17 June 1991 We present a measurement of neutrino tridents, muon pairs induced by neutrino scattering in the Coulomb field of a target nucleus, in the Columbia-Chicago-Fermilab-Rochester neutrino experiment at the Fermilab Tevatron. The observed number of tridents after geometric and kinematic corrections, 37.0±12.4, supports the standard-model prediction of 45.3±2.3 events. This is the first demonstration of the W-Z destructive interference from neutrino tridents, and rules out, at 99% C.L., the V-A prediction without the interference. © 1991 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.66.3117
DOI:
10.1103/PhysRevLett.66.3117
PACS:
13.10.+q, 12.15.Ji, 14.80.Er, 25.30.Pt
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