Balachandran, A. P. ; Borchardt, S. ; Chang, S. S. ; Stern, A. ; Cahalan, R. ; Ramachandran, R. ; Rupertsberger, H. (1978) Analyticity of the charge-monopole scattering amplitude Physical Review D - Particles, Fields, Gravitation and Cosmology, 17 (4). pp. 1150-1154. ISSN 1550-7998
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Official URL: http://prd.aps.org/abstract/PRD/v17/i4/p1150_1
Related URL: http://dx.doi.org/10.1103/PhysRevD.17.1150
Abstract
We study the analyticity in cosθ of the exact quantum-mechanical electric-charge-magnetic-monopole scattering amplitude by ascribing meaning to its formally divergent partial-wave expansion as the boundary value of an analytic function. This permits us to find an integral representation for the amplitude which displays its analytic structure. On the physical sheet we find only a branch-point singularity in the forward direction, while on each of the infinitely many unphysical sheets we find a logarithmic branch-point singularity in the backward direction as well as the same forward structure.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 39088 |
| Deposited On: | 06 May 2011 12:49 |
| Last Modified: | 06 May 2011 12:49 |
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