On resonances, amplitudes and the UV completion of gravity

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• Rodrigo Alonso (Durham)
• Thursday 30 April 2020, 16:00-17:00
• Virtual Seminar .

If you have a question about this talk, please contact Mathieu Pellen.

The seminar will take place via vidyo here . The explicit url is: https://indico.cern.ch/event/908125/ .

Abstract:

Making use of on-shell amplitude methods we will build the 4-point amplitudes for spin-J resonance exchange and Standard Model (+ graviton) external states. We then assemble these components in search of a unitary and causal ultraviolet completion of gravity. The solution found in this way, in addition to infinite towers of states in the UV, requires modification of gravity in the infrared.

The slides of the presentation can be found here

This talk is part of the HEP phenomenology joint Cavendish-DAMTP seminar series.

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