Factorization in Graviton Scattering and the "Natural" Value of the g-factor

Abstract

The factorization property of graviton scattering amplitudes is reviewed and show to be valid only if the "natural" value of the gyromagnetic ratio $g_S=2$ is employed -- independent of spin.

21 pages, 2 figures

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• Second order formalism for spin 1/2 fermions and Compton scattering
• Electromagnetic couplings of elementary vector particles
• Graviton Photoproduction by a Kerr-Newman Black Hole with Worldline EFT