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This Week at Physics

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Events on Tuesday, December 13th, 2011

Chaos & Complex Systems Seminar
Dimensional Analysis: Can a trick to help physics students pass exams provide insight into the Nature of the Universe?
Time: 12:05 pm
Place: 4274 Chamberlin
Speaker: Jim Blair, Milton and Edgewood College
Abstract: 1- Equations, Units and Dimensions 2- The Fundamentals: Mass, Length and Time. (and the Derived: all the others.) 3- Some Anomalies: Fractional Exponents? Different things with the Same Dimensions? The same things with Different Dimensions? 4- Add Charge, Temperature and Angle to the Fundamentals to resolve the anomalies (But the units are arbitrary and not explainable to Aliens.) 5- Change the Fundamentals to Angle, Charge, Mass, Velocity, Action, and Entropy, and make a unit system that Everyone can understand. (even Bug Eyed Monsters and Little Green Men all over the Universe) 6- Another way to look at the Heisenberg Uncertainty Principle.
Host: Sprott
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Theory Seminar (High Energy/Cosmology)
Spotting an invisible Higgs at the 7 TeV LHC
Time: 4:00 pm
Place: 5280 Chamberlin Hall
Speaker: Jessie Shelton, Yale University
Abstract: Simple extensions of the Standard Model -- for example, to accommodate dark matter -- can easily induce a dominant decay of a light Standard Model-like Higgs into invisible particles. I will discuss the reach of the 7 TeV LHC for an invisible Higgs. I will talk about three different search channels, and show prospects for 2012.
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