NEW RESULTS ON INVERSE MUON DECAY AND LOW MULTIPLICITY REACTIONS

Author
Frenkel-Rambaldi, A.
Niebergall, F.
Øverrås, H.
Palladino, V.
Panman, J.
Piredda, G.
Rädel, G.
Ricciardi, S.
Roloff, H.E.
Rozanov, A.
Saitta, B.
Santacesaria, R.
Serin-Zeyrek, M.
Sever, R.
Stähelin, P.
Staude, A.
Strolin, P.
Tolun, P.
Vilain, P.
Vogt, J.
Voss, T.
Wilquet, G.
Winter, K.
Zacek, G.
Zacek, V.
Akkus, Baki
Arik, E.
Beyer, R.
Büsser, F.W.
Capone, A.
Caria, M.
Cocco, A.G.
De Pedis, D.
Di Capua, E.
Dore, U.
Eckart, B.
Ereditato, A.
Favart, D.
Fiorillo, G.
Flegel, W.
Foos, C.
Gerland, L.
Gorbunov, P.
Grégoire, G.
Grigoriev, E.
Grote, H.
Hiller, K.
Khovansky, V.
Knoops, E.
Layda, T.
Lemaître, V.
Lippich, W.
Loverre, P.F.
Macina, D.
Maslennikov, A.
Mouthuy, T.
Nahnhauer, R.
Nathaniel, A.
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Abstract
New results on inverse muon decay and coherent charged pion production by neutrinos are presented. The data come from the CHARM-II neutrino detector operated at the CERN wide-band neutrino beam. High-statistics data samples of 14500 inverse muon decay events and 3500 nu(mu)e elastic scattering events allow the determination of the electroweak parameters from the ratio of the cross-sections of neutral-to-charged-current neutrino electron scattering. The best fit values of the electroweak mixing angle sin2 theta(W) and the relative coupling strength rho of neutral and charged current are: sin2 theta(W) = 0.237 +/- 0.014 and rho = 0.987 +/- 0.042.
URI
http://hdl.handle.net/20.500.12627/84894
https://doi.org/10.1016/0920-5632(93)90149-z
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=43949170785&origin=inward
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