[loacl physicists] Colloquium Announcement for 1/25/2011 (Dr. Glenn Young)

[Malin, Delicia M.]

Old Dominion University
Department of Physics

Spring Colloquium Series

Tuesday January 25, 2011

"Evidence for Deconfined Nuclear Matter from High Energy Collisions of Heavy Nuclei"


Dr. Glenn Young
Jefferson Lab

A long-standing conjecture that quarks can be de-confined from their parent nucleons, given a system that is sufficiently energy-dense, has been the subject of intensive study over the past decade using the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Lab. RHIC can collide nuclei as heavy as gold with kinetic energies one hundred times their rest mass, leading to unusual final states in which several thousand particles are produced together. The evidence from high-energy particle emission and relative emission patterns of the particles does suggest a very dense medium with an extraordinarily large stopping power is created, The medium is surprisingly dense, with a density over 20 times that of the center of a nucleus, behaves in some respects like a fluid, yet has a shear vicosity to entropy ratio lower than any other known substance, approaching the conjectured quantum lower bound.




Presentation: Physical Sciences Building II 1100 @ 3:00 pm
Refreshments: 1st Floor Atrium @ 2:30 pm

More details at http://www.physics.odu.edu
All are Welcome!


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