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Title: Diffractive dijet production and Wigner distributions from the color glass condensate

Journal Article · · Physical Review D
 [1];  [2];  [2]
  1. Univ. of Jyvaskyla (Finland); Univ. of Helsinki (Finland)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
+ Show Author Affiliations

Experimental processes that are sensitive to parton Wigner distributions provide a powerful tool to advance our understanding of proton structure. In this work, we compute gluon Wigner and Husimi distributions of protons within the Color Glass Condensate framework, which includes a spatially dependent McLerran-Venugopalan initial configuration and the explicit numerical solution of the JIMWLK equations. We determine the leading anisotropy of the Wigner and Husimi distributions as a function of the angle between impact parameter and transverse momentum. We study experimental signatures of these angular correlations at a proposed Electron Ion Collider by computing coherent diffractive dijet production cross sections in e+p collisions within the same framework. Specifically, we predict the elliptic modulation of the cross section as a function of the relative angle between nucleon recoil and dijet transverse momentum for a wide kinematical range. Here, we further predict its dependence on collision energy, which is dominated by the growth of the proton with decreasing x.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
SC0012704; AC02-05CH11231
OSTI ID:
1505661
Alternate ID(s):
OSTI ID: 1525405; OSTI ID: 1542904
Report Number(s):
BNL-211710-2019-JAAM; PRVDAQ
Journal Information:
Physical Review D, Vol. 99, Issue 7; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 47 works
Citation information provided by
Web of Science

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Diffractive dijet production with a leading proton in ep collisions at HERA text January 2015
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Back-to-Back Correlations of Di-hadrons in dAu Collisions at RHIC text January 2011
Measurement of Dijet Production in Diffractive Deep-Inelastic Scattering with a Leading Proton at HERA text January 2011
The quark orbital angular momentum from Wigner distributions and light-cone wave functions text January 2011
Forward dihadron correlations in deuteron-gold collisions with a Gaussian approximation of JIMWLK text January 2012
Exclusive diffractive processes in electron-ion collisions text January 2012
Dynamical entropy of dense QCD states text January 2012
Heavy quark pair production in high energy pA collisions: Quarkonium text January 2013
Gluon saturation and initial conditions for relativistic heavy ion collisions text January 2014
NLO JIMWLK evolution unabridged text January 2014
Ballistic protons in incoherent exclusive vector meson production as a measure of rare parton fluctuations at an Electron-Ion Collider text January 2014
Unveiling the Proton Spin Decomposition at a Future Electron-Ion Collider text January 2015
Deep inelastic scattering as a probe of entanglement text January 2017
Elliptic flow from color-dipole orientation in pp and pA collisions text January 2017
Probing subnucleon scale fluctuations in ultraperipheral heavy ion collisions text January 2017
Accessing the gluon Wigner distribution in ultraperipheral $pA$ collisions text January 2017
TMD gluon distributions at small x in the CGC theory text January 2018
Entanglement entropy, entropy production and time evolution in high energy QCD text January 2018
Confronting impact parameter dependent JIMWLK evolution with HERA data text January 2018
The Renormalization Group Equation for the Color Glass Condensate text January 2001
Diffractive parton distributions from the saturation model text January 2001
Saturation and Universality in QCD at small x text January 2001
Nonlinear QCD Evolution: Saturation without Unitarization text January 2001
An Impact Parameter Dipole Saturation Model text January 2003
Generalized Parton Distributions text January 2003
The QCD Pomeron in Ultraperipheral Heavy Ion Collisions: IV. Photonuclear Production of Vector Mesons text January 2005
Relations between generalized and transverse momentum dependent parton distributions text January 2007
Gluon Distribution Functions for Very Large Nuclei at Small Transverse Momentum text January 1993
Azimuthal Distribution of Quark-Antiquark Jets in DIS Diffractive Dissociation text January 1996
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Cited By (1)

Imaging the nucleus with high-energy photons journal October 2019

Figures / Tables (22)

FIG. 1(p. 8)figure FIG. 1
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