color glass condensate 1.) saturation problem in hep 2.) evolution equations 3.) basics of gluon...

Post on 20-Dec-2015

220 Views

Category:

Documents

0 Downloads

Preview:

Click to see full reader

TRANSCRIPT

Color Glass Condensate

1.) saturation problem in HEP2.) evolution equations

3.) basics of gluon saturation4.) basics of CGC

Thanks for material to:

Marzia NardiLarry McLerranDima Kharzeev

Martijn RusscherElena Ferreiro

Kazunori Itakura

Experimental puzzle in HEP (I)

Froissart Bound

Questions

Particle Multiplicities in HEP

Picture of particle production

Deep Inelastic Scattering

Deep Inelastic Scattering

DIS kinematics

DIS kinematics (cont.)

Deep Inelastic Scattering (cont.)

Structure functions (PDF) of a proton

Data (ZEUS 1994)

The Gluon ‘blows up’

RHIC

The gluon ‘blows up’

Gluon saturation

Gluon density in hadrons

NMC / E665 Shadowing measurements

Structure function and DGLAP

Qualitative description of DGLAP

DGLAP at small x

Structure function and BFKL

Qualitative description of BFKL

BFKL details

Visualize BFKL in Bjorken frame

Can BFKL explain the rise in F2 ?

Initial Summary: the small x problem

Motivation for the CGC

Gluon recombination

Gribov-Levin-Ryskin equation

Shadowing via GLR

Saturation region

A possible phase diagram

Universality in the CGC model

Saturation and Quantum Evolution

The McLerran-Venugopolan model

Why the Color Glass Condensate ?

CGC phase diagram

CGC formalism details (I)

CGC formalism details (I)

CGC formalism details (I)

CGC formalism details (I)

CGC formalism details (I): Classical YM theory

CGC formalism details (I):Wilson renormalizaiton

CGC formalism summary

A new effective theory

Another phase diagram

Saturation scale

Saturation momentum

Saturation scale (II)

Effective theory solutions

Saturation scale in nuclei

A time evolution for ‘matter’

Phenomenology at RHIC

Final phase diagram

The reach of RHIC

CGC at LHC

top related