Pure S-wave covariant model for the nucleon
Journal Article
·
· Physical Review. C, Nuclear Physics
- College of William and Mary, Williamsburg, Virginia 23185 (United States)
- Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606 (United States)
- Centro de Fisica Teorica de Particulas, Av. Rovisco Pais, P-1049-001 Lisboa (Portugal)
Using the manifestly covariant spectator theory and modeling the nucleon as a system of three constituent quarks with their own electromagnetic structure, we show that all four nucleon electromagnetic form factors can be very well described by a manifestly covariant nucleon wave function with zero orbital angular momentum. Since the concept of wave function depends on the formalism, the conclusions of light-cone theory requiring nonzero angular momentum components are not inconsistent with our results. We also show that our model gives a qualitatively correct description of deep inelastic scattering, unifying the phenomenology at high and low momentum transfer. Finally, we review two different definitions of nuclear shape and show that the nucleon is spherical in this model, regardless of how shape is defined.
- OSTI ID:
- 21068069
- Journal Information:
- Physical Review. C, Nuclear Physics, Journal Name: Physical Review. C, Nuclear Physics Journal Issue: 1 Vol. 77; ISSN 0556-2813; ISSN PRVCAN
- Country of Publication:
- United States
- Language:
- English
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