Leading-order QCD analysis of neutrino-induced dimuon events

Date
1999
Author
Gregoire, G
Fiorillo, G
Marchetti-Stasi, F
Palladino, V
Strolin, P
Capone, A
De Pedis, D
Dore, U
Frenkel-Rambaldi, A
Loverre, PF
Macina, D
Piredda, G
Santacesaria, R
Di Capua, E
Ricciardi, S
Saitta, B
Arik, E
Serin-Zeyrek, M
Sever, R
Tolun, P
Hiller, K
Nahnhauer, R
Roloff, HE
Vilain, P.
Wilquet, G.
Beyer, R.
Flegel, W.
Mouthuy, T.
Akkus, B
Overas, H
Panman, J
Rozanov, A
Winter, K
Zacek, G
Zacek, V
Busser, FW
Foos, C
Gerland, L
Layda, T
Niebergall, F
Radel, G
Stahelin, P
Voss, T
Favart, D
Knoops, E
Lemaitre, V
Gorbunov, P
Grigoriev, E
Khovansky, V
Maslennikov, A
Lippich, W
Nathaniel, A
Staude, A
Vogt, J
Cocco, AG
Ereditato, A
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Abstract
The results of a leading-order QCD analysis of neutrino-induced charm production are presented. They are based on a sample of 4111 v(mu)- and 871 (v) over bar(mu)-induced opposite-sign dimuon events with E-mu 1, E-mu 2 > 6 GeV, 35 5.5 GeV2, observed in the CHARM II detector exposed to the CERN wide band neutrino, and antineutrino beams. The analysis yields the value of the charm quark mass m(c)= 1.79 +/- 0.38 GeV/c(2) and the Cabibbo-Kobayashi-Maskawa matrix element \ V-cd\ = 0.219 +/- 0.016. The strange quark content of the nucleon is found to be suppressed with respect to non-strange sea quarks by a factor kappa = 0.39 +/- 0.09.
URI
http://hdl.handle.net/20.500.12627/69548
http://cdsweb.cern.ch/record/364722/files/ep-98-128.pdf
https://doi.org/10.1007/s100520050611
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