Unsubtracted dispersion-relation for longitudinal compton amplitude
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Unsubtracted dispersion-relation for longitudinal compton amplitude

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Unsubtracted dispersion-relation for longitudinal compton amplitude

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Bernabeu Alberola, José Perfil; Tarrach, Rolf
This document is a artículoDate1975

Este documento está disponible también en : http://hdl.handle.net/10550/53328
It is shown that there is a simple connection between the slope, at q2 = 0, of the longitudinal Compton amplitude and the electric polarizability of the nucleon. The longitudinal subtraction function is thus known to order q2. The assumption of an unsubtracted dispersion relation for the longitudinal amplitude leads to a sum rule for the electric polarizability. This is a model independent test of the high-energy behaviour of the forward virtual Compton amplitude.

    Bernabeu Alberola, José; Tarrach, Rolf (1975) Unsubtracted dispersion-relation for longitudinal compton amplitude Physics Letters B B 55 2 183 186
http://dx.doi.org/10.1016/0370-2693(75)90438-4

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