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BEGIN:VEVENT
DTSTAMP:20260826T133852Z
LAST-MODIFIED:20121116T203436Z
DTSTART:20110404T163000Z
DTEND:20110404T173000Z
UID:event776@bu.edu
URL:http://physics.bu.edu/internal/events/show/776
SUMMARY:Flavoring the Type-111 2 Higgs Doublet Model
DESCRIPTION:Featuring Andrew Blechman\, Wayne State University\n\nPart of t
	he HET Seminar Series.\n\nAbstract:\nWe reconsider the flavor problem in th
	e models with two Higgs doublets. By studying two generation toy models\, w
	e look for flavor basis independent constraints on Yukawa couplings that wi
	ll give us the mass hierarchy while keeping all Yukawa couplings of the sam
	e order. We then generalize our findings to the full three generation Stand
	ard Model. We find that we need two constraints on the Yukawa couplings to 
	generate the observed mass hierarchy\, and a slight tuning of Yukawa coupli
	ngs of order 10%\, much less than the Standard Model. We briefly study how 
	these constraints can be realized\, and show how flavor changing currents a
	re under control for various flavor standard candles such as meson mixing a
	nd forbidden decays.  Possible effects on future collider signals are also 
	discussed.
LOCATION:PRB 595\, 3 Cummington Mall\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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