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

Abstract

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 Jalilian-Marian–Iancu–McLerran–Weigert–Leonidov–Kovner equations. We determine the leading anisotropy of the Wigner and Husimi distributions as a function of the angle between the 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 the nucleon recoil and dijet transverse momentum for a wide kinematical range. We further predict its dependence on the collision energy, which is dominated by the growth of the proton with decreasing x .

Authors:
; ;
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States); Lawrence Berkeley National Laboratory-National Energy Research Scientific Computing Center (NERSC)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP)
OSTI Identifier:
1505661
Alternate Identifier(s):
OSTI ID: 1525405; OSTI ID: 1542904
Report Number(s):
BNL-211710-2019-JAAM
Journal ID: ISSN 2470-0010; PRVDAQ; 074004
Grant/Contract Number:  
SC0012704; AC02-05CH11231
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Name: Physical Review D Journal Volume: 99 Journal Issue: 7; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Mäntysaari, Heikki, Mueller, Niklas, and Schenke, Björn. Diffractive dijet production and Wigner distributions from the color glass condensate. United States: N. p., 2019. Web. doi:10.1103/PhysRevD.99.074004.
Mäntysaari, Heikki, Mueller, Niklas, & Schenke, Björn. Diffractive dijet production and Wigner distributions from the color glass condensate. United States. doi:10.1103/PhysRevD.99.074004.
Mäntysaari, Heikki, Mueller, Niklas, and Schenke, Björn. Mon . "Diffractive dijet production and Wigner distributions from the color glass condensate". United States. doi:10.1103/PhysRevD.99.074004.
@article{osti_1505661,
title = {Diffractive dijet production and Wigner distributions from the color glass condensate},
author = {Mäntysaari, Heikki and Mueller, Niklas and Schenke, Björn},
abstractNote = {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 Jalilian-Marian–Iancu–McLerran–Weigert–Leonidov–Kovner equations. We determine the leading anisotropy of the Wigner and Husimi distributions as a function of the angle between the 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 the nucleon recoil and dijet transverse momentum for a wide kinematical range. We further predict its dependence on the collision energy, which is dominated by the growth of the proton with decreasing x .},
doi = {10.1103/PhysRevD.99.074004},
journal = {Physical Review D},
number = 7,
volume = 99,
place = {United States},
year = {2019},
month = {4}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevD.99.074004

Citation Metrics:
Cited by: 4 works
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Figures / Tables:

FIG. 1 FIG. 1: The dipole scattering amplitude in the Color Glass Condensate framework as a function of angle $θ$(r, b) between dipole size r and impact parameter b, at $y$ = 0 and after the JIMWLK evolution up to $y$ = 1.5 and $y$ = 3.0. The results are normalized bymore » the average, $v$0.« less

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    Works referencing / citing this record:

    Imaging the nucleus with high-energy photons
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    Diffractive dijet production in impact parameter dependent saturation models
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