Two-Hadron Correlations in the Color Glass Condensate Formalism(High Energy Strong Interactions 2010-Parton Distributions and Dense QCD Matter-)

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概要

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• Two-hadron correlations are a sensitive probe of the dynamics of gluon saturation and the Color Glass Condensate formalism where the degrees of freedom are Wilson lines of the gluon field. It is shown that unlike structure functions in DIS and single hadron production in proton-nucleus collisions, higher point functions of Wilson lines appear in two-hadron production cross section. We investigate the energy (x) evolution of these higher point functions using the JIMWLK evolution equations and show that dipole approximation, employed commonly in the literature to fit the di-hadron data measured by the STAR collaboration in the forward rapidity region, breaks down. This necessitates an investigation of the full hierarchy of the JIMWLK evolution equations for these higher point functions and their solutions. This can then be used to make a quantitative analysis of the di-hadron correlations in the forward rapidity region in deuteron-gold collisions at RHIC and in the long range rapidity correlations observed in proton-proton collisions at the LHC.

• 2011-04-28

著者

• Jalilian-marian Jamal

  Baruch College:the Graduate School And University Center City University Of New York

• JALILIAN-MARIAN Jamal

  Baruch College:The Graduate School and University Center, City University of New York

関連論文

• Two-Hadron Correlations in the Color Glass Condensate Formalism(High Energy Strong Interactions 2010-Parton Distributions and Dense QCD Matter-)

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