Leading-order QCD analysis of neutrino-induced dimuon events | Zendy

P. Vilain et al. | Zendy

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Leading-order QCD analysis of neutrino-induced dimuon events

Author(s) -

P. Vilain et al.

Publication year - 1999

Publication title -

the european physical journal c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.938

H-Index - 198

eISSN - 1434-6052

pISSN - 1434-6044

DOI - 10.1007/s100520050611

Subject(s) - physics , particle physics , quantum chromodynamics , neutrino , charm quark , charm (quantum number) , quark , nuclear physics , order (exchange) , nucleon , strange quark , finance , economics

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 < E-v < 290 GeV and Q(2) > 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

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