BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Talks.cam//talks.cam.ac.uk//
X-WR-CALNAME:Talks.cam
BEGIN:VEVENT
SUMMARY:Anomaly-free Froggatt-Nielsen models of flavor - Michele Tammaro (
 University of Cincinnati)
DTSTART:20190709T150000Z
DTEND:20190709T160000Z
UID:TALK123682@talks.cam.ac.uk
CONTACT:Benjamin Christopher Allanach
DESCRIPTION:An outstanding problem in particle physics is the hierarchical
  pattern of fermion masses. While it is now understood the mechanism that 
 generates these masses\, it is unclear why the Yukawa couplings assume suc
 h different values\, with the mass difference between the lightest and hea
 viest fermion that spans more than 10 orders of magnitude. Here we present
  a simple dynamical solution to this problem by exploring an anomaly-free 
 twist of the Froggatt - Nielsen model. We introduce a new scalar\, the so 
 called flavon\, and a set of vector-like fermions charged under an extra a
 belian gauge group $U(1)_{FN}$. The spontaneous symmetry breaking of $U(1)
 _{FN}$ induced by the flavon generates exponentially suppressed mass eigen
 states which can reproduce the fermion mass spectrum. Furthermore\, the co
 nsequences of gauging such group can be explored in a rich set of both fla
 vor conserving and flavor violating processes.\n\nThe slides of this talk 
 can be found "here"://www.hep.phy.cam.ac.uk/~conference/Tammaro_Cambridge1
 9.pdf 
LOCATION:MR19 (Potter Room\, Pavilion B)\, CMS
END:VEVENT
END:VCALENDAR