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DTSTAMP:20260920T192832Z
LAST-MODIFIED:20130402T204121Z
DTSTART:20130405T180000Z
DTEND:20130405T190000Z
UID:event1085@bu.edu
URL:http://physics.bu.edu/internal/events/show/1085
SUMMARY:Baryogenesis for WIMPs: A WIMP Miracle for Baryons
DESCRIPTION:Featuring Yanou Cui\, University of Maryland\n\nPart of the HET
	 Seminar Series.\n\nAbstract: \n\nThe observed dark matter and baryon abund
	ances  in our universe have long been addressed with separate mechanisms at
	 separate scales.  The "coincidence" of their similar abundances is another
	 intriguing phenomenon that has been addressed with other separate mechanis
	ms.  In this talk I will present a robust\, unified framework\, in which th
	e similar baryon and dark matter cosmic abundances both arise from the phys
	ics of weakly interacting massive particles (WIMPs) around weak scale\, wit
	h the rough quantitative success of the so-called ``WIMP miracle''. In part
	icular the baryon abundance arises from the decay of a meta-stable WIMP aft
	er its thermal freezeout at or below the weak scale. Furthermore\, I will d
	emonstrate it is natural to embed the general idea into existing theories a
	ddressing the origin of masses and related Planck-weak hierarchy problem\, 
	such as supersymmetry (SUSY). Concrete models will be presented.  As a low 
	scale baryogenesis mechanism\, it also has interesting phenomenological imp
	lications for the LHC and precision tests\, which will also be discussed.
LOCATION:PRB 595\, 3 Cummington Mall\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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