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Experimental Limits on Heavy Lepton Production by Neutrinos

Cnops, A.M. ; Connolly, P.L. ; Kahn, S.A. ; et al.

Phys.Rev.Lett. 40 (1978) 144-146, 1978.

Inspire Record 121918 DOI 10.17182/hepdata.37905

We present upper limits on the production of heavy leptons (L±) by neutrinos via the process νμ+Ne→L±+⋯, L±→e±+ν+ν¯. These limits imply that the L− and L+, if they couple in full strength to νμ, are heavier than 7.5 and 9 GeV, respectively. They also imply that the coupling strength νμ to the recently discovered 1.9-GeV heavy lepton τ is less than 0.025 of the normal νμ−μ coupling.

1 data table

Table 1

No description provided.

MEASUREMENT OF THE BJORKEN X AND Y DISTRIBUTIONS IN NEUTRAL AND CHARGED CURRENT muon-neutrino INTERACTIONS

Baltay, C. ; Bregman, M. ; Caroumbalis, D. ; et al.

Phys.Rev.Lett. 52 (1984) 1948-1951, 1984.

Inspire Record 205295 DOI 10.17182/hepdata.20446

Distributions of the Bjorken scaling variables x and y, and the structure function F+(x), are presented both for neutral-current and for charged-current νμ interactions. The data were obtained by use of the Fermilab 15-ft neon bubble chamber exposed to a narrow-band νμ beam. Results are based on 151 neutral-current and 683 charged-current events. An important feature of the neutral-current analysis is the event-by-event reconstruction of the outgoing neutrino.

3 data tables

Table 1

No description provided.

Table 2

DATA REQUESTED FROM C.BALTAY ON 20/9/91.

Table 3

DATA REQUESTED FROM C.BALTAY ON 20/9/91.