Gell-Mann, M. ; Singh, V. ; Zachariasen, F. (1964) Elementary particles of conventional field theory as Regge poles. IV. Physical Review Online Archive, 133 (1B). B161-B174. ISSN 0031-899X
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Official URL: http://prola.aps.org/abstract/PR/v133/i1B/pB161_1
Related URL: http://dx.doi.org/10.1103/PhysRev.133.B161
Abstract
The usual field theory of spin 0 "nucleons" coupled to vector mesons (or heavy photons) is studied in order to find out whether the nucleon lies on a Regge trajectory. Photon-nucleon scattering is examined, to each order in the coupling constant, with the highest power of ln cosθ retained. It is found that a suitable Regge trajectory is generated, but that the nucleon does not lie on it. The nucleon pole term in the scattering amplitude corresponds to a fixed singularity in angular momentum. The spin 0 "nucleon" thus behaves differently from a particle of spin ½.
Item Type: | Article |
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Source: | Copyright of this article belongs to The American Physical Society. |
ID Code: | 67389 |
Deposited On: | 21 Nov 2011 08:41 |
Last Modified: | 21 Nov 2011 08:41 |
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