The electromagnetic form factors are computed using eigenstates of linear momentum for the nucleon. The latter is described in the framework of the chiral color-dielectric model, projecting the hedgehog ansatz on eigenstates of angular momentum and isospin. Form factors are well reproduced, with the exception of the magnetic one for the proton, up to Q^2 = 0.5 GeV ^2. The effect of the removal of the spurious center-of-mass contributions shows up mainly in the electric form factor of the proton. A noticeable improvement is obtained with respect to the calculation without linear momentum projection.

Recoil effects on nucleon electromagnetic form factors

DRAGO, Alessandro;
1996

Abstract

The electromagnetic form factors are computed using eigenstates of linear momentum for the nucleon. The latter is described in the framework of the chiral color-dielectric model, projecting the hedgehog ansatz on eigenstates of angular momentum and isospin. Form factors are well reproduced, with the exception of the magnetic one for the proton, up to Q^2 = 0.5 GeV ^2. The effect of the removal of the spurious center-of-mass contributions shows up mainly in the electric form factor of the proton. A noticeable improvement is obtained with respect to the calculation without linear momentum projection.
1996
Drago, Alessandro; Manuel, Fiolhais; Ubaldo, Tambini
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/1685454
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