Literatur
See,e.g.,J. M. Jauch andF. Rohrlich:The Theory of Photons and Electrons (Cambridge, Mass., 1955), pp. 390–405. Recent references are quoted byK. E. Eriksson:Nuovo Cimento,27, 178 (1963).
L. I. Schiff:Quantum Mechanics (New York, 1949), pp. 114–118.
One should not be surprised by a dependence of cross-sections on the distance of the observation point. For instance, the decay law of unstable systems also depends on the observation distance. Cf.R. G. Newton:Ann. Phys.,14, 333 (1961).
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The research reported in this document has been supported in part by the Aerospace Research Laboratories, OAR, under Grant AF-EOAR-64-20, through the European Office of Aerospace Research, United States Air Force.
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Peres, A. Removal of infrared divergences. Nuovo Cim 35, 322–323 (1965). https://doi.org/10.1007/BF02734847
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DOI: https://doi.org/10.1007/BF02734847