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A repeatedly discussed gedanken experiment, proposed by Fermi to checkEinstein causality, is reconsidered. It is shown that, contrary to a recentstatement made by Hegerfeldt, there appears no causality paradoxon in a propertheoretical description of the experiment.Comment: 6 pages, latex, DESY 94-02

There Are No Causality Problems for Fermi's Two-Atom System