On-shell heavy particle effective theories

By Rafael Aoude, Kays Haddad, Andreas Helset. Journal of High Energy Physics, 2020

148 citations recorded by the source corpus.

We introduce on-shell variables for Heavy Particle Effective Theories (HPETs) with the goal of extending Heavy Black Hole Effective Theory to higher spins and of facilitating its application to higher post-Minkowskian orders. These variables inherit the separation of spinless and spin-inclusive effects from the HPET fields, resulting in an explicit spin-multipole expansion of the three-point amplitude for any spin. By matching amplitudes expressed using the on-shell HPET variables to those derived from the one-particle effective action, we find that the spin-multipole expansion of a heavy spin-s particle corresponds exactly to the multipole expansion (up to order 2s) of a Kerr black hole, that is, without needing to take the infinite spin limit. Finally, we show that tree-level radiative processes with same-helicity bosons emitted from a heavy spin-s particle exhibit a spin-multipole universality.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/8ffbfaadee99ff59de28108c18add23dc9df4c4c

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Astronomy and Astrophysics

1. A. Luna
2. R. Roiban
3. M. Zeng
4. Chia-Hsien Shen
5. Z. Bern
6. T. Damour
7. Rafael A. Porto
8. H. Johansson

In Nuclear and High Energy Physics

1. R. Roiban
2. A. Luna
3. M. Zeng
4. Chia-Hsien Shen
5. Z. Bern
6. L. Alday
7. S. Frolov
8. G. Arutyunov

Citations in the corpus

• Spinning black hole binary dynamics, scattering amplitudes, and effective field theory (2020, methodology): “[37, 59, 60, 62, 65, 67].”