Improved low Q2 model for neutrino and electron nucleon cross sections in few GeV region

Details Improved low Q2 model for neutrino and electron nucleon cross sections in few GeV region Improved low Q2 model for neutrino and electron nucleon cross sections in few GeV region

2004-11-16

arxiv.org/abs/hep-ph/0411202v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Prepared for International Workshop on Neutrino-Nucleus Interactions in the Few GeV Regions (NuInt04), Gran Sasso Lab., Italy,

Scientific paper

10.1016/j.nuclphysbps.2004.11.20

We present an improved model on neutrino- and electron-nucleon scattering cross sections using effective leading order PDFs with a new scaling variable xi_w. Non-perturbative QCD effects at low Q^2 are separately treated for u and d valence quarks, and sea quarks. The improved model uses all inelastic charged lepton F_2 data (SLAC/BCDMS/NMC/HERA), and photoproduction data on proton and deuterium. In this way, we obtain an improved model which describes all inelastic scattering charged lepton data, JLAB resonance data, and neutrino data. This improved model is expected to be better for neutrino oscillation experiments at few GeV region.

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