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UID:UW-Physics-Event-3678
DTSTART:20150309T200000Z
DTEND:20150309T210000Z
DTSTAMP:20260419T142642Z
LAST-MODIFIED:20150309T191241Z
LOCATION:5280 Chamberlin Hall
SUMMARY:SUSY strikes back: there is no crisis for SUSY but a new colli
 der may be required for discovery\, Theory Seminar (High Energy/Cosmol
 ogy)\, Howard Baer\, University of Oklahoma
DESCRIPTION:Many authors have proclaimed a crisis state for SUSY due t
 o the growing gap between the weak scale as typified by the Z and h ma
 ss\, and the SUSY breaking scale which now sits in the mid-TeV range. 
 This is the so-called Little Hierarchy. Vernon and I argue that the 'c
 risis' arises due to mis-calculation of electroweak fine-tuning and fa
 ilure to combine dependent terms. The large log measure neglects the H
 _u soft mass while Barbieri-Giudice is typically applied to effective 
 theories instead of supergravity. When these measures are rectified\, 
 they agree with the EW fine-tuning measure and predict light higgsinos
  which are hard to see at LHC but would be clear at an ILC. Extending 
 naturalness to the QCD sector\, we expect dark matter to consist of an
  axion-higgsino admixture: i.e. two dark matter particles.
URL:https://www.physics.wisc.edu/events/?id=3678
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