Published December 7, 1964 | public
Journal Article Open

Lifetime and decay of unstable particles in S-matrix theory

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Abstract

An investigation is made of the possible time dependence of decay laws for unstable particles. The probability P(t) that an unstable particle has not decayed at time t is expressed in terms of S-matrix quantities. It is concluded that, contrary to popular belief, the exponential decay law P=e-Γt is only one of a discrete set of possible decay laws.

Additional Information

©1964 The American Physical Society. Received 30 July 1964.

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