UNSTABLE PARTICLES IN A GENERAL FIELD THEORY. Technical Scientific Note No. 6
Technical Report
·
OSTI ID:4166486
The problem of unstable particles in quantura field theory is treated as one of the interpretation of complex singularities appearing in the analytic continuation of scattering amplitudes into unphysical sheets of their Lorentz invariant variables. Suitable continuations are shown to hold under certain restrictive assumptions in a general field theory, making use of unitarity and casuality of the S-matrix. The extra singularities appearing in the continuation are fixed isolated poles, in accordance with a conjecture of Peierls. (auth)
- Research Organization:
- Cambridge Univ., England
- NSA Number:
- NSA-14-022267
- OSTI ID:
- 4166486
- Report Number(s):
- AFOSR-TN-60-679
- Country of Publication:
- United States
- Language:
- English
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