Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon...

59
Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC

  • date post

    20-Dec-2015

  • Category

    Documents

  • view

    219

  • download

    0

Transcript of Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon...

Page 1: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Color Glass Condensate

1.) saturation problem in HEP2.) evolution equations

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

Page 2: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Thanks for material to:

Marzia NardiLarry McLerranDima Kharzeev

Martijn RusscherElena Ferreiro

Kazunori Itakura

Page 3: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Experimental puzzle in HEP (I)

Page 4: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Froissart Bound

Page 5: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Questions

Page 6: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Particle Multiplicities in HEP

Page 7: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Picture of particle production

Page 8: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Deep Inelastic Scattering

Page 9: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Deep Inelastic Scattering

Page 10: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

DIS kinematics

Page 11: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

DIS kinematics (cont.)

Page 12: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Deep Inelastic Scattering (cont.)

Page 13: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Structure functions (PDF) of a proton

Page 14: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Data (ZEUS 1994)

Page 15: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

The Gluon ‘blows up’

RHIC

Page 16: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

The gluon ‘blows up’

Page 17: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Gluon saturation

Page 18: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Gluon density in hadrons

Page 19: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

NMC / E665 Shadowing measurements

Page 20: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Structure function and DGLAP

Page 21: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Qualitative description of DGLAP

Page 22: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

DGLAP at small x

Page 23: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Structure function and BFKL

Page 24: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Qualitative description of BFKL

Page 25: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

BFKL details

Page 26: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Visualize BFKL in Bjorken frame

Page 27: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Can BFKL explain the rise in F2 ?

Page 28: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Initial Summary: the small x problem

Page 29: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Motivation for the CGC

Page 30: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Gluon recombination

Page 31: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Gribov-Levin-Ryskin equation

Page 32: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Shadowing via GLR

Page 33: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Saturation region

Page 34: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

A possible phase diagram

Page 35: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Universality in the CGC model

Page 36: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Saturation and Quantum Evolution

Page 37: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

The McLerran-Venugopolan model

Page 38: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Why the Color Glass Condensate ?

Page 39: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

CGC phase diagram

Page 40: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

CGC formalism details (I)

Page 41: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

CGC formalism details (I)

Page 42: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

CGC formalism details (I)

Page 43: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

CGC formalism details (I)

Page 44: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

CGC formalism details (I): Classical YM theory

Page 45: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

CGC formalism details (I):Wilson renormalizaiton

Page 46: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

CGC formalism summary

Page 47: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

A new effective theory

Page 48: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Another phase diagram

Page 49: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Saturation scale

Page 50: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Saturation momentum

Page 51: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Saturation scale (II)

Page 52: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Effective theory solutions

Page 53: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Saturation scale in nuclei

Page 54: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

A time evolution for ‘matter’

Page 55: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Phenomenology at RHIC

Page 56: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

Final phase diagram

Page 57: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.
Page 58: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

The reach of RHIC

Page 59: Color Glass Condensate 1.) saturation problem in HEP 2.) evolution equations 3.) basics of gluon saturation 4.) basics of CGC.

CGC at LHC


Exploring Quark Gluon Plasma using Photons

Exploring Quark Gluon Plasma using Photons

Residual Oil Saturation Dependence on Initial Water Saturation in

Residual Oil Saturation Dependence on Initial Water Saturation in

Diffraction at HERA · / DIS ~ 1/x function of x! As mentioned previously [with T ~ xG] 23 What happens (at first approx) At sufficiently high scale @ high energy, gluon saturation

Diffraction at HERA · / DIS ~ 1/x function of x! As mentioned previously [with T ~ xG] 23 What happens (at first approx) At sufficiently high scale @ high energy, gluon saturation

Gluon Saturation and the “Color Glass Condensate” A new experimental direction for “QCD at RHIC”

Gluon Saturation and the “Color Glass Condensate” A new experimental direction for “QCD at RHIC”

Gluon Saturation Yuri Kovchegov The Ohio State University.

Gluon Saturation Yuri Kovchegov The Ohio State University.

Triple-gluon and quark-gluon vertex from lattice QCD in ... · A. Sternbeck (FSU Jena) Triple-gluon and quark-gluon vertex from lattice QCD Lattice 2016 7 / 18 Lattice calculation:

Triple-gluon and quark-gluon vertex from lattice QCD in ... · A. Sternbeck (FSU Jena) Triple-gluon and quark-gluon vertex from lattice QCD Lattice 2016 7 / 18 Lattice calculation:

Large Rapidity gap Survival Probabilities•Saturation of Froissart bound is due to increasing acollinearity of “hard” partons because of initial state energy dependent soft gluon

Large Rapidity gap Survival Probabilities•Saturation of Froissart bound is due to increasing acollinearity of “hard” partons because of initial state energy dependent soft gluon

Probing BFKL dynamics, saturation and diffraction at ... · 9 Quark and Gluon extraction • Using the DGLAP evolution equation, obtain the quark and gluon densities in the proton

Probing BFKL dynamics, saturation and diffraction at ... · 9 Quark and Gluon extraction • Using the DGLAP evolution equation, obtain the quark and gluon densities in the proton

6 of the gluon fields are independent linear combinations of the simple gluon fields we enumerated

6 of the gluon fields are independent linear combinations of the simple gluon fields we enumerated

Gluon Saturation...Saturation physics allows us to study regions of high parton density in the small coupling regime, where calculations are still under control! Transition to saturation

Gluon Saturation...Saturation physics allows us to study regions of high parton density in the small coupling regime, where calculations are still under control! Transition to saturation

Linking Carbon Saturation Concepts to Nitrogen Saturation and ...

Linking Carbon Saturation Concepts to Nitrogen Saturation and ...

Analytical approach to gluon saturation and description of ... · Analytical approach to gluon saturation and description of DIS data Andrey Kormilitzin Tel Aviv University EMMI workshop

Analytical approach to gluon saturation and description of ... · Analytical approach to gluon saturation and description of DIS data Andrey Kormilitzin Tel Aviv University EMMI workshop

Experimental studies of gluon saturation: from RHIC/HERA ...€¦ · Experimental (ep,pp,AA) probes of lowx PDFs: processes, kin. ranges Experimental status: Results at HERA (proton)

Experimental studies of gluon saturation: from RHIC/HERA ...€¦ · Experimental (ep,pp,AA) probes of lowx PDFs: processes, kin. ranges Experimental status: Results at HERA (proton)

SOFT GLUON RESUMMATION vs PARTON SHOWER …

SOFT GLUON RESUMMATION vs PARTON SHOWER …

UNINTEGRATED GLUON DISTRIBUTION AND GLUON SATURATION IN P-P AT LHC

UNINTEGRATED GLUON DISTRIBUTION AND GLUON SATURATION IN P-P AT LHC

Mapping the Phase Structure of Cold Nuclei -- Gluon Saturation at small-x

Mapping the Phase Structure of Cold Nuclei -- Gluon Saturation at small-x

Gluon Tagging and Quark & Gluon Samples

Gluon Tagging and Quark & Gluon Samples

Psychrometric Chart Basics. Basic Concepts Saturation Line.

Psychrometric Chart Basics. Basic Concepts Saturation Line.

Nondegenerate Saturation Mutagenesis · 2020. 3. 9. · SATURATION MUTAGENESIS METHODS 3.1 Core techniques in saturation mutagenesis Whether saturation mutagenesis is degenerate,

Nondegenerate Saturation Mutagenesis · 2020. 3. 9. · SATURATION MUTAGENESIS METHODS 3.1 Core techniques in saturation mutagenesis Whether saturation mutagenesis is degenerate,

Zhangbu Xu, CIPANP2003 1 Global Observables & PID Spectra From STAR Global Observables: Gluon Saturation Minijet Contribution Phase Transition Effect of.

Zhangbu Xu, CIPANP2003 1 Global Observables & PID Spectra From STAR Global Observables: Gluon Saturation Minijet Contribution Phase Transition Effect of.