6–8 May 2019
University of Pittsburgh
US/Eastern timezone

Cancellations in Spin-2 KK Mode Scattering Amplitudes at High Energies

7 May 2019, 16:45
15m
209 (Lawrence Hall)

209

Lawrence Hall

parallel talk Theoretical Developments

Speaker

Dennis Foren (Michigan State University)

Description

We report the results of computations of the scattering amplitudes for massive spin-2 Kaluza-Klein particles in compactified five-dimensional theories of gravity. We demonstrate that different classes of diagrams individually grow as energy to the tenth power as expected, but that intricate cancellations among different diagrams reduce this growth to energy-squared. We show that these cancellations occur in both toroidal and AdS (Randall-Sundrum) compactifications of five-dimensional gravity, though the energy scale controlling the rate of growth is rather different in these two cases.

Authors

Dennis Foren (Michigan State University) Dr Dipan Sengupta (Michigan State University) Elizabeth Simmons (Michigan State University) Kirtimaan Mohan (Michigan State University) R. Sekhar Chivukula (Michigan State University)

Presentation materials