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Point-Form Analysis of Elastic Deuteron Form Factors

T. W. Allen·W. H. Klink·W. N. Polyzou
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Abstract

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.

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T. W. Allen, W. H. Klink, W. N. Polyzou. 2000-10-11. Point-Form Analysis of Elastic Deuteron Form Factors. https://doi.org/10.1103/physrevc.63.034002

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