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This Week at Physics

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Events on Monday, March 9th, 2015

Plasma Physics (Physics/ECE/NE 922) Seminar
Simulations of Centrifugal Magnetospheres in Massive Stars
Time: 12:00 pm
Place: 1610 Engineering Hall
Speaker: Chris Bard, , UW-Madison, Physics
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Theory Seminar (High Energy/Cosmology)
SUSY strikes back: there is no crisis for SUSY but a new collider may be required for discovery
Time: 3:00 pm
Place: 5280 Chamberlin Hall
Speaker: Howard Baer, University of Oklahoma
Abstract: Many authors have proclaimed a crisis state for SUSY due to the growing gap between the weak scale as typified by the Z and h mass, 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 'crisis' arises due to mis-calculation of electroweak fine-tuning and failure 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.
Host: Ran Lu
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Department Meeting
Time: 4:00 pm
Place: 5310 Chamberlin Hall
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