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The generalized Baldin sum rule for virtual photon scattering, theunpolarized analogy of the generalized Gerasimov-Drell-Hearn integral, providesan important way to investigate the transition between perturbative QCD andhadronic descriptions of nucleon structure. This sum rule requires integrationof the nucleon structure function F_1, which until recently had not beenmeasured at low Q^2 and large x, i.e. in the nucleon resonance region. Thiswork uses new data from inclusive electron-proton scattering in the resonanceregion obtained at Jefferson Lab, in combination with SLAC deep inelasticscattering data, to present first precision measurements of the generalizedBaldin integral for the proton in the Q^2 range of 0.3 to 4.0 GeV^2.Comment: 4 pages, 3 figures, one table; text added, one figure replace

physical review. c. nuclear physics/physical review. c, nuclear physics

<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mi>Q</mml:mi><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>evolution of generalized Baldin sum rule for the proton

Q2evolution of generalized Baldin sum rule for the proton