Measurement of Nucleon Structure Functions in Neutrino Scattering
2006
Abstract After completion of the data taking for the ν μ → ν τ oscillation search, the
CHORUSlead–scintillator calorimeter was used in the 1998 run as an active target. High-statistics samples of
charged-currentinteractions were collected in the CERN SPS west area
neutrinobeam. This beam contained predominantly muon (anti-)
neutrinosfrom sign-selected pions and kaons. We measure the flux and energy spectrum of the incident
neutrinosand compare them with beam simulations. The
neutrino–nucleon and anti-
neutrino–nucleon differential cross-sections are measured in the range 0.01 x 0.7 , 0.05 y 0.95 , 10 E ν 200 GeV . We extract the
neutrino–nucleon structure functions F 2 ( x , Q 2 ) , x F 3 ( x , Q 2 ) , and R ( x , Q 2 ) and compare these with results from other experiments.
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