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A tale of two exponentiations in ${\cal N}=8$ supergravity
The structure of scattering amplitudes in supergravity theories continues to be of interest. Recently, the amplitude for 2→2 scattering in N=8 supergravity was presented at three-loop order for the first time. The result can be written in terms of an exponentiated one-loop contribution, modulo a rem...
| Autores principales: | , , , , , |
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| Lenguaje: | eng |
| Publicado: |
2019
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/j.physletb.2019.134927 http://cds.cern.ch/record/2686818 |