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Q^2 Evolution of Generalized Baldin Sum Rule for the Proton | | Y. Liang
; M.E. Christy
; R. Ent
; C.E. Keppel
; | | Date: |
19 Oct 2004 | | Subject: | nucl-ex | | Abstract: | The generalized Baldin sum rule for virtual photon scattering, the unpolarized analogy of the generalized Gerasimov-Drell-Hearn integral, provides an important way to investigate the transition between perturbative QCD and hadronic descriptions of nucleon structure. This sum rule requires integration of the nucleon structure function F_1, which until recently had not been measured at low Q^2 and large x, i.e. in the nucleon resonance region. This work uses new data from inclusive electron-proton scattering in the resonance region obtained at Jefferson Lab, in combination with SLAC deep inelastic scattering data, to present first precision measurements of the generalized Baldin integral for the proton in the Q^2 range of 0.3 to 4.0 GeV^2. | | Source: | arXiv, nucl-ex/0410028 | | Services: | Forum | Review | PDF | Favorites | |
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