Biswas, S. N. ; Banerjee, H. ; Saxena, R. P. (1965) Inelastic unitarity contributions to S1/2, T=1/2 pion-nucleon scattering length Physical Review, 138 (5B). B1260-B1261. ISSN 0031-899X
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Official URL: http://prola.aps.org/abstract/PR/v138/i5B/pB1260_1
Related URL: http://dx.doi.org/10.1103/PhysRev.138.B1260
Abstract
Inelastic unitarity contribution to the pion-nucleon S1/2, T=1/2 zero-energy scattering length has been determined following the modified N/D formalism due to Froissart. The fixed-energy dispersion relations and the experimental information for the s-wave inelastic parameter have been used to solve the resulting dispersion equations in the effective-range approximation method of Balazs. We find a large positive scattering length, indicating that the inclusion of inelastic effects generates an attractive interaction in the s wave.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 26227 |
| Deposited On: | 06 Dec 2010 12:53 |
| Last Modified: | 23 May 2011 06:32 |
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