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Fernández-Rañada, Antonio (1967) Causality and analyticity in πN resonant wavesresonant waves. Il Nuovo Cimento A Series 11, 52 (2). pp. 486-505. ISSN 0369-3546
Official URL: http://dx.doi.org/10.1007/BF02818417
Abstract
The requirements of causality and finite range lead to analytic expressions for theS-matrix in πN resonant waves. The singularities in the complex energy plane are obtained. From them it is easy to calculate the mass and width of the resonances. It is shown that a resonance is a rather complex phenomenon characterized by several mass values which can be very different. For instance, the strange behaviour of theP 11 resonant state is due to this fact.
| Item Type: | Article |
|---|---|
| Additional Information: | © Società Italiana di Fisica |
| Subjects: | Sciences > Physics > Electricity Sciences > Physics > Electronics |
| ID Code: | 25442 |
| Deposited On: | 14 May 2014 08:36 |
| Last Modified: | 10 Dec 2018 14:58 |
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