Abstract
The paper collects some general properties of the description of an unstable particle considered byHorwitz andMarchand. It is proved generally, that the initial decay rate of finite energy states equals to zero.
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The authors are very indebted to Prof. V.Votruba for many discussions. Thanks are also due to Dr. M.Lokajíček for comments on our work.
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Havlíček, M., Exner, P. Note on the description of an unstable system. Czech J Phys 23, 594–600 (1973). https://doi.org/10.1007/BF01593909
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DOI: https://doi.org/10.1007/BF01593909