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Q²-evolution of the electric and magnetic polarizabilities of the proton

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arxiv 1311.6482 v1 pith:V64ULFQD submitted 2013-11-25 nucl-th nucl-ex

Q²-evolution of the electric and magnetic polarizabilities of the proton

classification nucl-th nucl-ex
keywords dataelectricfunctionhalljlabmagneticparameterizationpolarizabilities
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The generalized Baldin sum rule at finite four-momentum transfer Q^2 is evaluated utilizing a structure function parameterization fit to recent experimental data. The most recent measurements on F_1 from Hall C at Jlab, as well as the F_2 structure function data from Hall B at Jlab and SLAC, were used in constructing our parameterization. We find that at Q^2 below 1 GeV^2 the dominant contribution to the electric and magnetic polarizabilities of the nucleon comes from the resonance region.

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