Rotational covariance and light front current matrix elements
Mar 29, 199320 pages
Published in:
- Phys.Rev.D 49 (1994) 1500-1505
e-Print:
- hep-ph/9303264 [hep-ph]
Report number:
- PRINT-93-0301 (CARNEGIE-MELLON)
Citations per year
Abstract:
Light-front current matrix elements for elastic scattering from hadrons with spin1 or greater must satisfy a nontrivial constraint associated with the requirement of rotational covariance for the current operator. Using a model meson as a prototype for hadronic quark models, this constraint and its implications are studied at both low and high momentum transfers. In the kinematic region appropriate for asymptotic QCD, helicity rules, together with the rotational covariance condition, yield an additional relation between the light-front current matrix elements.- hadron: elastic scattering
- elastic scattering: hadron
- kinematics
- current: electromagnetic
- momentum transfer
- invariance: rotation
- form factor
- quark: mass
- mass: quark
- meson: model
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