Fixed pole in the virtual compton amplitude A2

Rajaraman, R. ; Rajasekaran , G. (1971) Fixed pole in the virtual compton amplitude A2 Physical Review D, 3 (1). pp. 266-268. ISSN 0556-2821

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We suggest here the presence of a J=0 fixed pole in the virtual Compton amplitude A2 with a residue linear in the photon mass q2 for all q2. The resultant sum rule is found to be consistent with the on-mass-shell (q2=0) data, the scale-invariance requirement at q2→∞, and the electron scattering data for intermediate q2.

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Deposited On:26 May 2011 13:26
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