Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2000-05-17
Phys.Rev.C63:034002,2001
Physics
Nuclear Physics
Nuclear Theory
RevTex, 31 pages, 1 table, 13 figures
Scientific paper
10.1103/PhysRevC.63.034002
Point-form relativistic quantum mechanics is applied to elastic electron-deuteron scattering. The deuteron is modeled using relativistic interactions that are scattering-equivalent to the nonrelativistic Argonne $v_{18}$ and Reid '93 interactions. A point-form spectator approximation (PFSA) is introduced to define a conserved covariant current in terms of single-nucleon form factors. The PFSA is shown to provide an accurate description of data up to momentum transfers of 0.5 ${\rm GeV}^2$, but falls below the data at higher momentum transfers. Results are sensitive to the nucleon form factor parameterization chosen, particularly to the neutron electric form factor.
Allen T. W.
Klink William H.
Polyzou Wayne N.
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