Abstract
A large sample of opposite-sign dimuons, produced by the interaction of neutrinos and antineutrinos in iron, is analysed. The data agree very well with the hypothesis that the extra muon is the product of charm decay. They yield information on the strength and space-time structure of the charmproducing weak current. The strange-sea structure functionxs(x) is determined. The difference between neutrino and antineutrino dimuon production is analysed to provide a value of the Kobayashi-Maskawa weak mixing angleθ 2.
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Abramowicz, H., de Groot, J.G.H., Knobloch, J. et al. Experimental study of opposite-sign dimuons produced in neutrino and antineutrino interactions. Z. Phys. C - Particles and Fields 15, 19–31 (1982). https://doi.org/10.1007/BF01573422
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DOI: https://doi.org/10.1007/BF01573422