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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-1889
DTSTART:20101203T203000Z
DURATION:PT1H0M0S
DTSTAMP:20260306T000056Z
LAST-MODIFIED:20100902T015148Z
LOCATION:5280 Chamberlin Hall
SUMMARY:String moduli phenomenology\, cosmological history\, and dark 
 matter\, NPAC (Nuclear/Particle/Astro/Cosmo) Forum\, Gordy Kane\, U. M
 ichigan
DESCRIPTION:In this talk I argue that compactified string theories wit
 h broken supersymmetry  and with stabilized moduli generically have on
 e or more moduli with masses of order the gravitino mass or less.  The
 n cosmological constraints imply the gravitino and moduli masses are o
 f order 30 TeV or heavier\, which implies the universe has a non-therm
 al cosmological history.  This in turn suggests that the LSP is wino-l
 ike\, predicting in particular a signal for galactic positrons and ant
 iprotons consistent with that seen by the PAMELA satellite\, and inter
 esting LHC signals.  Although the above results hold very generally in
  string theories\, we were led to them from our earlier compactificati
 on of M-theory on a G2 manifold\, so I will begin the talk with a revi
 ew of the G2 results.
URL:https://www.physics.wisc.edu/events/?id=1889
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