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Superparticle actions from superfields
Gauge invariant complex covariant actions for superparticles are derived from
the field equations for the chiral superfields in a precise manner. The massive
and massless cases in four dimensions are treated both free and in interaction
with an external super Maxwell field. By means of a generalized BRST
quantization these complex actions are related to real actions with second
class constraints which are new in some cases.Comment: 23 pages, ITP-G\"{o}teborg 94-14, LATE