Alternative Nucleon form Factors

A set of form factors G/sub e/ and G/sub m/ to describe electron scattering data is proposed. Error correlations are reduced, and scattering with spin flip is separated from that without. It is suggested that dispersion theory relates this with the same separation in other physical situations. THe f...

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Veröffentlicht in:Phys. Rev. Letters 1962-02, Vol.8 (3), p.110-112
Hauptverfasser: Hand, L. N., Miller, D. G., Wilson, R.
Format: Artikel
Sprache:eng
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Zusammenfassung:A set of form factors G/sub e/ and G/sub m/ to describe electron scattering data is proposed. Error correlations are reduced, and scattering with spin flip is separated from that without. It is suggested that dispersion theory relates this with the same separation in other physical situations. THe fit to G/ sub MV/ includes the rho meson and a core and leads to a diffraction minimum in electron scattering between 40 and 80 fermi /sup -2/. The two-photon exchange becomes dominant at 40 fermi/sup -2/, and the recoil proton should then be polarized with the polarizaion changing sign at the minimum. (L.N.N.)
ISSN:0031-9007
DOI:10.1103/PhysRevLett.8.110