Moments of the Proton F2 Structure Function at Low Q2

Details Moments of the Proton F2 Structure Function at Low Q2 Moments of the Proton F2 Structure Function at Low Q2

2001-04-05

arxiv.org/abs/hep-ph/0104055v1

Phys.Rev. D63 (2001) 094008

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 page paper, 1 LaTeX file, 10 postscript figure files

Scientific paper

10.1103/PhysRevD.63.094008

The Q^2 dependence of inclusive electron-proton scattering F_2 structure function data in both the nucleon resonance region and the deep inelastic region, at momentum transfers below 5 (GeV/c)^2, is investigated. Moments of F_2 are constructed, down to momentum transfers of Q^2 ~ 0.1 (GeV/c)^2. The second moment is only slowly varying with Q^2 down to Q^2 ~ 1 (GeV/c)^2, which is a reflection of duality. Below Q^2 of 1 (GeV/c)^2, the Q^2 dependence of the moments is predominantly governed by the elastic contribution, whereas the inelastic channels still seem governed by local duality.

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