Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1999-05-13
Nucl.Phys. B564 (2000) 241-258
Physics
High Energy Physics
High Energy Physics - Theory
corrected reference to the second paper in ref [6] in which recoil effects were considered and comparative comments added. lat
Scientific paper
We study the scattering of three gravitons in M-atrix theory at finite N. With a specific choice of the background we obtain the complete result up to two loops. The contributions from three-body forces agree with the ones presented in recent papers. We extend the calculation and evaluate the two-body exchanges as well. Such terms, somewhat difficult to isolate and compute, had been neglected so far in the existing literature. We show that the result we have obtained from M-atrix theory precisely matches the result from one-particle reducible tree diagrams in eleven-dimensional supergravity .
Refolli Andrea
Terzi Niccolo'
Zanon Daniela
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