An Analysis of the Gargamelle Freon Data Concerning Pion Production by the Weak Neutral Current
Sep, 1977
5 pages
Published in:
- Phys.Lett.B 71 (1977) 446-450
- Published: 1977
Report number:
- PITHA-83-1977
Experiments:
- CERN-Gargamelle
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Citations per year
Abstract: (Elsevier)
Semi-inclusive pion production of all three charge states by the weak neutral current has been analysed in the Gargamelle Freon neutrino and antineutrino experiments. Using the complete neutral current sample a κ 2 fit of the measured charge ratios to the hypothesis of a purely isoscalar current has a confidence level of less than 10 −4 . Using a restricted pion sample, corresponding to current fragment pions, a κ 2 fit of the π + /π - ratios in νv and ν to the predictions of an isovector current has confidence level 0.017. The sign of the isovector-isoscalar interference term is found to be consistent with that predicted by the Weinberg-Salam model.- NEUTRINO NUCLEON: INCLUSIVE REACTION
- ANTINEUTRINO NUCLEON: INCLUSIVE REACTION
- PI: FINAL STATE
- FINAL STATE: PI
- ANTINEUTRINO/MU/: FINAL STATE
- FINAL STATE: ANTINEUTRINO/MU/
- NEUTRINO/MU/: FINAL STATE
- FINAL STATE: NEUTRINO/MU/
- PI: NEUTRINOPRODUCTION
- NEUTRAL CURRENT
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