The Electromagnetic Polarizabilities of the Proton and the Scalar-Isoscalar gamma gamma --> pi pi Amplitude
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The Electromagnetic Polarizabilities of the Proton and the Scalar-Isoscalar gamma gamma --> pi pi Amplitude

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The Electromagnetic Polarizabilities of the Proton and the Scalar-Isoscalar gamma gamma --> pi pi Amplitude

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Bernabeu Alberola, José Perfil; Tarrach, Rolf
This document is a artículoDate1977

Este documento está disponible también en : http://hdl.handle.net/10550/53222
In a dispersive approach to the calculation of the electromagnetic polarizabilities of the proton, the sensitivity to the annihilation channel input is analyzed. It is shown that the isoscalar s wave absorptive part gives the overwhelming contribution. The connection with the poorly known γγ→ππ amplitude is established and some numerical estimates are presented.

    Bernabeu Alberola, José; Tarranch, B. (1977) The Electromagnetic Polarizabilities of the Proton and the Scalar-Isoscalar gamma gamma --> pi pi Amplitude Physics Letters B 69 4 484 488
http://dx.doi.org/10.1016/0370-2693(77)90851-6

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