[Theory-seminars] teory seminar tomorrow, Jan. 12, 3 pm, room F224

[Bernhard Musch]

Dear all,

there will be a theory seminar tomorrow at 3 pm, details follow:

Theory Center Seminar
Wed., January 12, 2011
3:00 p.m. (coffee at 2:45 p.m.)
CEBAF Center, Room F224/225

*Universal Behavior of the Gluon Saturation Scale and Dipole-Target
Amplitude at High Energy Beyond the Leading Logarithmic Approximation
*

Guillaume Beuf
Brookhaven National Lab

High energy collisions allow to probe short-lived fluctuations in 
hadronic or Nuclear Wave Functions. At high enough energy, the occupancy 
of the resolved soft gluons becomes high and saturates. That nonlinear 
evolution of the hadronic wave-functions has strong analogies with some 
reaction-diffusion models. Borrowing some tools from statistical 
physics, one can argue that the high energy asymptotics of the 
wave-functions is universal, i.e. independent of the nature of the 
projectiles. Some of the universal features of the solutions can be 
computed analytically despite the nonlinear nature of the problem. After 
reviewing those results, I will present their extension beyond the 
leading logarithmic approximation of QCD at high energy.


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