Front-form spinors in the Weinberg-Soper formalism and generalized Melosh transformations for any spin

Using the Weinberg-Soper formalism we construct the front-form ([ital j],0)[direct sum](0,[ital j]) spinors. Explicit expressions for the generalized Melosh transformations up to spin two are obtained. The formalism, without explicitly invoking any wave equations, reproduces the spin-1/2 front-form...

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Bibliographic Details
Published in:Physical review. D, Particles and fields Particles and fields, 1993-06, Vol.47 (11), p.5161-5168
Main Authors: AHLUWALIA, D. V, SAWICKI, M
Format: Article
Language:English
Subjects:
Classical and quantum physics: mechanics and fields
ELEMENTARY PARTICLES
Exact sciences and technology
FIELD THEORIES
General theory of fields and particles
HADRONS
Kinematical properties (helicity and invariant amplitudes, kinematic singularities, etc.)
Lorentz and Poincare invariance
Lorentz and poincaré invariance
MELOSH TRANSFORMATION
PARITY
PARTICLE PROPERTIES
Physics
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
QUANTUM FIELD THEORY
Quantum mechanics
Relativistic scattering theory
Relativistic wave equations
SPINORS
Symmetry and conservation laws
The physics of elementary particles and fields
TRANSFORMATIONS 662110 > General Theory of Particles & Fields-- Theory of Fields & Strings-- (1992-)
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Summary:Using the Weinberg-Soper formalism we construct the front-form ([ital j],0)[direct sum](0,[ital j]) spinors. Explicit expressions for the generalized Melosh transformations up to spin two are obtained. The formalism, without explicitly invoking any wave equations, reproduces the spin-1/2 front-form results of Melosh, Lepage and Brodsky, and Dziembowski.
ISSN:0556-2821
1089-4918
DOI:10.1103/PhysRevD.47.5161