A Measurement of the Proton Structure Functions From Neutrino Hydrogen and Anti-neutrino Hydrogen Charged Current Interactions

The Birmingham-CERN-Imperial Coll.-MPI(Munich)-Oxford-University Coll. collaboration Jones, G.T. ; Jones, R.W.L. ; Kennedy, B.W. ; et al.
Z.Phys. C44 (1989) 379-384, 1989.
Inspire Record 252341 DOI 10.17182/hepdata.15358

Within the framework of the quark-parton model, the quark and anti-quark structure functions of the proton have been measured by fitting them to the distributions of the events in the Bjorkeny variable. The data used form the largest sample of neutrino and antineutrino interactions on a pure hydrogen target available, and come from exposures of BEBC to the CERN wide band neutrino and antineutrino beams. It is found that the ratiodv/uv of valence quark distributions falls with increasing Bjorkenx. In the context of the quark-parton model the results constrain the isospin composition of the accompanying diquark system. Models involving scattering from diquarks are in disagreement with the data.

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