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VERSION:2.0
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BEGIN:VEVENT
DTSTAMP:20260919T145848Z
LAST-MODIFIED:20131202T190824Z
DTSTART:20131204T203000Z
DTEND:20131204T213000Z
UID:event1197@bu.edu
URL:http://physics.bu.edu/internal/events/show/1197
SUMMARY:Bottom-up naturalness
DESCRIPTION:Featuring Sonia El Hedri\, Stanford University\n\nPart of the H
	ET Seminar Series.\n\nAbstract:\nWe study the naturalness problem using a m
	odel independent bottom up approach by considering models where only the in
	teraction terms needed to cancel the Higgs quadratic divergences are presen
	t. If quadratic divergences are canceled by terms linear in the Higgs field
	\, then the collider phenomenology is well covered by current electroweakin
	o and fourth generation searches. If quadratic divergences are canceled by 
	terms bilinear in the Higgs field\, then the signatures are highly dependen
	t on the quantum numbers of the new particles. Precision Higgs measurements
	 can reveal the presence of new particles with either vevs or Standard Mode
	l charges. If the new particles are scalar dark matter candidates\, their d
	irect and indirect detection signatures will be highly correlated and withi
	n the reach of XENON100 and Fermi. Observation at one of these experiments 
	would imply observation at the other one. Observable LHC decay channels can
	 also arise if the new particles mix with lighter states. This decay channe
	l involves only the Higgs boson and not the gauge bosons. Observation of su
	ch decays would give evidence that the new particle is tied to the naturaln
	ess problem.
LOCATION:PRB 595\, 3 Cummington Mall\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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