A Measurement of xF_3(nu)-xF_3(anti-nu) and R with the CCFR Detector

Physics – High Energy Physics – High Energy Physics - Experiment

Scientific paper

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4 pages, To be published in proceedings of the 7th International Workshop on Deep Inelastic Scattering and QCD (DIS 99), Zeuth

Type

Scientific paper

Digital Object Identifier

10.1016/S0920-5632(99)00641-6

Abstract

We report on a measurement of the neutrino-nucleon and antineutrino-nucleon differential cross sections in the CCFR detector. The measurement of the differential cross sections over a wide range of energies allows Delta xF_3 = xF_3(nu)-xF_3(anti-nu) and R to be extracted. Delta xF_3 is related to the difference between the contributions of the strange and charm seas in the nucleon to production of massive charm quark. The results for Delta xF_3 are compared to various massive charm NLO QCD models. The Q^2 dependence of R for x<0.1 has been measured for the first time.

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