Total cross sections for nu$_{e}$ and n$\overline{u}_{e}$ interactions and search for neutrino oscillations and decay
- Blietschau, J
- Deden, H
- Hasert, F J
- Krenz, W
- Lanske, D
- Morfín, J G
- Pohl, M
- Schultze, K
- Schumacher, H
- Weerts, H
- Welch, L C
- Bertrand-Coremans, G H
- Dewit, M
- Mulkens, H
- Sacton, J
- Van Doninck, W K
- Haidt, Dieter
- Matteuzzi, C
- Musset, P
- Pattison, B
- Romano, F
- Vialle, J P
- Wachsmuth, H W
- Blondel, A
- Brisson, V
- Degrange, B
- François, T
- Haguenauer, Maurice
- Nguyen-Khac, U
- Petiau, P
- Bellotti, E
- Bonetti, S
- Cavalli, D
- Fiorini, Ettore
- Pullia, Antonio
- Rollier, M
- Aubert, Bernard
- Blum, D
- Lutz, A M
- Pascaud, C
- Bullock, F W
- Michette, A G
DOIAbstract
About 200 and 60 candidates for electron neutrino and antineutrino interactions, respectively, have been analyzed in the heavy liquid bubble chamber Gargamelle exposed to the CERN PS neutrino beam. Evidence for scaling has been found for these interactions, with slopes of the cross sections in good agreement with those obtained for muon neutrino and antineutrino events in the same chamber. No evidence appears for oscillations of neutrinos or antineutrinos, which would induce in the present experiment an excess of electron or positron events. The corresponding limits are given as functions of the mixing parameter, for the finite mass Majorana neutrinos. The possibility of a multiplicative law for the lepton number has also been investigated....
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