par Morfin, Jorge;Pohl, Martin;Weerts, Harry;Welch, L.C. L.C.;Fett, E.;Haatuft, A.;Halsteinslid, A.;Myklebost, K.;Olsen, J.M. J.M.;Bertrand, Daniel
;Coremans, Ghislaine
;Dewit, Monique
;Sacton, Jean
;Vilain, Pierre
;Blaes, R.;Escoubes, B.;Petitjean, P.;Rahimi, F.;de Unamuno, S.;Bullock, Frederick;Jones, T.W.;Ratoff, Peter Neil
Référence Physics letters. Section B, 84, 3, page (354-356)
Publication Publié, 1979-07





Référence Physics letters. Section B, 84, 3, page (354-356)
Publication Publié, 1979-07
Article révisé par les pairs
Résumé : | Candidates for the purely leptonic process νμe-→νμe- have been searched for in the bubble chamber Gargamelle exposed to the CERN-SPS antineutrino wide-band beam. No single e-, of energy greater than 1 GeV, was found in a total of 230 000 pictures, corresponding to 7400 charged current events. This leads to an upper limit for the observed cross section of σobs < 1.6 × 10-42 ( Eν- GeV) cm2 (90% C.L.). Interpretation of this value in terms of the standard W Weinberg-Salam model yields an upper limit to the mixing parameter sin2θW < 0.39 at 90% C.L. © 1979. |