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SUMMARY:On resonances\, amplitudes and the UV completion of gravity - Rodr
 igo Alonso (Durham)
DTSTART:20200430T150000Z
DTEND:20200430T160000Z
UID:TALK141487@talks.cam.ac.uk
CONTACT:Mathieu Pellen
DESCRIPTION:*The seminar will take place via vidyo "here":https://indico.c
 ern.ch/event/908125/ .\nThe explicit url is: https://indico.cern.ch/event/
 908125/ .*\n\nAbstract:\n\nMaking use of on-shell amplitude methods we wil
 l build the 4-point amplitudes for spin-J resonance exchange and Standard 
 Model (+ graviton) external states. We then assemble these components in s
 earch of a unitary and causal ultraviolet completion of gravity. The solut
 ion found in this way\, in addition to infinite towers of states in the UV
 \, requires modification of gravity in the infrared.\n\nThe slides of the 
 presentation can be found "here":http://www.hep.phy.cam.ac.uk/~conference/
 Alonso_30_03_2020.pdf
LOCATION:Virtual Seminar 
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