Abstract
Utilizing recent neutrino dimuon production measurement from NuTeV the assumptions on the determination of the strangeness content of the nucleon within the dynamical approach to parton distributions are investigated. The data are found to be in good agreement with the predictions derived from our (GJR08) dynamical parton distributions, which have been generated entirely radiatively starting from vanishing strange input distributions at an optimally chosen low resolution scale. Further, the data induce an asymmetry in the strange sea which is found to be small and positive in agreement with previous results.
Highlights
The dynamical parton distributions of the nucleon are generated radiatively from positive definite input distributions at an optimally chosen low resolution scale (Q20 < 1GeV 2).F orthestrangedistribution
By confronting predictions derived from our (GJR08) NLO dynamical parton distributions with recent neutrino dimuon production measurement from NuTeV we show that this is the case, and that little improvement is achieved by using a more general ansatz
The dynamical parton distributions of the nucleon at Q2 1 GeV2 are QCD radiatively generated from valencelike1 positive definite input distributions at an optimally determined low input scale Q20 < 1 GeV2
Summary
The dynamical parton distributions of the nucleon are generated radiatively from positive definite (valencelike) input distributions at an optimally chosen low resolution scale (Q20 < 1GeV 2).F orthestrangedistribution. The dynamical parton distributions of the nucleon are generated radiatively from positive definite (valencelike) input distributions at an optimally chosen low resolution scale (Q20 < 1 GeV2).
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