Recovering infinities in graviton scattering amplitudes using Cutkosky rules

We use the Cutkosky rules as a tool for determining the infinities present in graviton scattering amplitudes. We are able to confirm theoretical derivations of counterterms in Einstein-Maxwell theory and to determine new results in the Dirac-Einstein counter-Lagrangian.

Note:

10 pages, 4 Postscript figures, uses epsf.sty Report-no: SWAT/96-100

postulated particle: graviton
fermion
photon
scattering amplitude: higher-order
higher-order: scattering amplitude
analytic properties

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Figures(0)

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