A description of the ratio between electric and magnetic proton form factors by using space-like, time-like data and dispersion relations |
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| Authors: | R. Baldini C. Bini P. Gauzzi M. Mirazita M. Negrini S. Pacetti |
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| Affiliation: | (1) Centro Studi e Ricerche Enrico Fermi, Roma, Italy;(2) Laboratori Nazionali di Frascati dell’INFN, Frascati, Italy;(3) Università “La Sapienza” e Sezione INFN, Roma, Italy;(4) Università di Ferrara e Sezione INFN, Ferrara, Italy |
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| Abstract: | We use the available information on the ratio between the electric and magnetic proton form factors coming from recently published space-like data and from the few available time-like data. We apply a dispersive procedure on these data to evaluate the behavior of this ratio, as a complex function, for all values of q2. |
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