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AbstractAbstract
[en] During the first technical run of the CERN wide-band neutrino beam, BEBC was operated with a 74 mole-% neon-hydrogen filling under conditions giving thin high density tracks to minimise confusion at interaction vertices. 19 μ-e+ events (including an estimated background of approximately 2 asymmetric Dalitz pairs) have been found in 5,600 +- 400 charged current neutrino interactions, corresponding to a μ-e+/μ- ratio of (0.5 +- 0.2)%. 5 of the 19 events contain vee-zeroes from the primary vertex. (orig.)
[de]
Waehrend des ersten technischen Laufs des Breitband-Neutrinostrahls bei CERN wurde BEBC mit einer 74 mol% Neon-Wasserstoff-Fuellung unter Bedingungen betrieben, die duenne Spuren hoher Dichte ergaben, um die Verwechslung mit Wechselwirkungsspuren moeglichst zu vermeiden. Bei 5600 +- 400 Neutrinowechselwirkungen mit geladenen Stroemen wurden 19 μ+e+-Ereignisse (einschliesslich einem abgeschaetzten Untergrund von approximately 2 asymmetrischen Dalitzpaaren) beobachtet, was einem Verhaeltnis μ-e+/μ- von (0.5 +- 0.2)% entspricht. 5 der 19 Ereignisse enthalten 'vee'-Nullen ausgehend vom primaeren Vertex. (orig.)Primary Subject
Source
Gutbrod, F. (ed.); Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany, F.R.); Bundesministerium fuer Forschung und Technologie, Bonn-Bad Godesberg (Germany, F.R.); International Union of Pure and Applied Physics; p. 323-327; 1977; p. 323-327; International symposium on lepton and photon interactions at high energies; Hamburg, Germany, F.R; 25 - 31 Aug 1977; AED-CONF--77-656-018
Record Type
Miscellaneous
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Conference
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ALGEBRAIC CURRENTS, ANTILEPTONS, ANTIMATTER, ANTIPARTICLES, CHARGED CURRENTS, CURRENTS, ELEMENTARY PARTICLES, FERMIONS, GAS TRACK DETECTORS, INTERACTIONS, LEPTON-BARYON INTERACTIONS, LEPTON-HADRON INTERACTIONS, LEPTON-NUCLEON INTERACTIONS, LEPTONS, MATTER, MEASURING INSTRUMENTS, MUONS, PARTICLE INTERACTIONS, RADIATION DETECTORS
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