Roy, D. P. ; Roberts, R. G. ; Phillips, R. J. N. ; Miettinen, H. I. (1972) Backward-scattering extrapolations and Baryon couplings Physical Review D - Particles, Fields, Gravitation and Cosmology, 6 (5). pp. 1317-1321. ISSN 1550-7998
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Official URL: http://prd.aps.org/abstract/PRD/v6/i5/p1317_1
Related URL: http://dx.doi.org/10.1103/PhysRevD.6.1317
Abstract
Extrapolation of an asymptotic cross section to a baryon pole cannot uniquely determine the coupling constant. The only asymptotic quantities capable of doing this are the R and A parameters. The notorious discrepancy between extrapolation of dσ(π̅p)/du and the known Δ width is shown to be purely illusory.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 42809 |
| Deposited On: | 06 Jun 2011 12:58 |
| Last Modified: | 06 Jun 2011 12:58 |
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