Abstract
Based on the solution of the Bargmann-Wigner equation for an arbitraryintegral spin, a direct derivation of the projection operator andpropagator for an arbitrary integral spin is presented. The explicitform for the spin projection operators constructed by Behrends andFronsdal is confirmed. The commutation rules and a general expressionfor the Feynman propagator for a free particle of arbitrary integralspin are deduced.
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