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SUMMARY:Strong coupling and the Goldstone Equivalence theorem for massive 
 higher spins  - David Stefanyszyn (DAMTP)
DTSTART:20200220T130000Z
DTEND:20200220T140000Z
UID:TALK137164@talks.cam.ac.uk
CONTACT:Dr. Carl Turner
DESCRIPTION:In this talk we will discuss effective field theories of self-
 interacting massive spinning fields and derive the largest scale at which 
 perturbative unitarity breaks down when allowing for order one tunings in 
 the potential. This scale is a function of the field’s mass and spin and
  complements similar expressions in the literature for couplings of massiv
 e higher spins to photons and gravitons.\n\nWe show how the strong couplin
 g scale can be increased when Wess-Zumino structures exist for the non-lin
 early realised symmetries of the spinning field’s longitudinal mode (whi
 ch is spin-0 for massive bosons and spin-1/2 for massive fermions). We wil
 l provide results for any spin but concentrate on the illustrative cases o
 f spins 1\,3/2 and 2. 
LOCATION:Potter Room (first floor\, Pav. B)
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