A Poincaré Covariant Current Operator for Low and High Energy Phenomena

  • F. M. Lev
  • E. Pace
  • G. Salmè
Part of the Few-Body Systems book series (FEWBODY, volume 10)


Within front-form dynamics and in the Breit frame where initial and final three-momenta of the system are directed along the z axis, Poincaré covariance constrains the current operator only through kinematical rotations around the z axis. Therefore, in this frame the current can be taken in the one-body form. Applications to deep inelastic structure functions in an exactly solvable model and to the deuteron magnetic form factor are presented.


Form Factor Deep Inelastic Scattering Hadronic Tensor Lorentz Covariance Elastic Form Factor 
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Copyright information

© Springer-Verlag/Wien 1999

Authors and Affiliations

  • F. M. Lev
    • 1
  • E. Pace
    • 2
    • 3
  • G. Salmè
    • 4
  1. 1.Laboratory of Nuclear ProblemsJoint Institute for Nuclear ResearchDubna, Moscow regionRussia
  2. 2.Dipartimento di FisicaUniversità di Roma “Tor Vergata”RomeItaly
  3. 3.Istituto Nazionale di Fisica Nucleare Sezione Tor VergataRomeItaly
  4. 4.Sezione di RomaIstituto Nazionale di Fisica NucleareRomeItaly

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