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SUMMARY:Local anomalies in Z’ models - Joseph Tooby-Smith (Cavendish)
DTSTART:20200116T160000Z
DTEND:20200116T170000Z
UID:TALK136588@talks.cam.ac.uk
CONTACT:Joseph Davighi
DESCRIPTION:In this talk I will follow the work presented in arXiv:1912.10
 022 in which we consider local (or perturbative) gauge anomalies in models
  featuring an extra Z′ boson compared to the Standard Model (SM)\, along
  with n SM-singlet fermions. Assuming that the gauge group is compact\, we
  give a general solution to the anomaly cancellation conditions (ACCs) for
  the ACCs that involve only SM fermions and we examine whether a correspon
 ding solution exists for the remaining ACCs. We argue that this should be 
 adequate for the purposes of phenomenology\, at least for the time being. 
 We show that a solution to the remaining ACCs always exists for n≥5 in t
 he family non-universal case or n≥3 in the family-universal case. In the
  special case where only a single family carries non-vanishing charges\, w
 e find a general solution to all ACCs\, for any value of n.
LOCATION:MR19 (Potter Room\, Pavilion B)\, CMS
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