Roy, S. M. ; Blankenbecler, R. (1965) Modified determinantal method Annals of Physics, 35 (2). pp. 314-327. ISSN 0003-4916
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/000349...
Related URL: http://dx.doi.org/10.1016/0003-4916(65)90082-5
Abstract
An improved version of the determinantal method for solving N/D equations is developed. Unlike the determinantal approximation, the accuracy of this method is not limited to small coupling constants. Further, this method guarantees a real residue at the position of a pole in the partial wave amplitude whereas the determinantal approximation yields a complex residue when the pole lies on the left-hand cut in the s-plane. Both nonrelativistic and relativistic cases are considered. Numerical accuracy of the new method is examined in some typical applications.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 42822 |
| Deposited On: | 07 Jun 2011 03:55 |
| Last Modified: | 07 Jun 2011 03:55 |
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