Light-front dynamics of elastic electron-deuteron scattering
Measurements of the deuteron form factors over a wide range of momentum transfer can provide important clues to the role of subnucleon degrees of freedom in nuclear dynamics. For a meaningful calculation of the form factors it is essential that the current density operators and the deuteron wave function transform under Lorentz transformations in a mutually consistent manner. Standard nucleon-nucleon interactions can be used to construct unitary representations of the Poincare group on the two-nucleon Hilbert space. Deuteron wave functions represent eigenstates of the four-momentum operator. Existing parameterizations of measured single-nucleon form factors are used to construct a conserved covariant electromagnetic current operator. The light-front symmetry of the representation allows a clean separation of the effects of one- and two-body currents for arbitrary momentum transfers. Comparison with data indicates that for Q/sup 2/ < GeV/sup 2/ the elastic cross sections are not dominated by two-body currents.
- Research Organization:
- Argonne National Lab., IL (USA)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 7057286
- Report Number(s):
- CONF-8805140-3; ON: DE88012056
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYON-BARYON INTERACTIONS
BEAMS
CHARGED PARTICLES
DATA
DEUTERONS
ELECTRON BEAMS
ELECTRON-DEUTERON INTERACTIONS
ELECTRONS
ELEMENTARY PARTICLES
FERMIONS
FORM FACTORS
FUNCTIONS
HADRON-HADRON INTERACTIONS
INELASTIC SCATTERING
INFORMATION
INTERACTIONS
LEPTON BEAMS
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
LEPTONS
LINEAR MOMENTUM
LORENTZ TRANSFORMATIONS
MOMENTUM TRANSFER
NUCLEON-NUCLEON INTERACTIONS
NUMERICAL DATA
PARTICLE BEAMS
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
SCATTERING
THEORETICAL DATA
TRANSFORMATIONS
WAVE FUNCTIONS