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Title: Multigluon Correlations and Evidence of Saturation from Dijet Measurements at an Electron-Ion Collider

Abstract

In this work, we study inclusive and diffractive dijet production in electron-proton and electron-nucleus collisions within the color glass condensate effective field theory. We compute dijet cross sections differentially in both mean dijet transverse momentum P and recoil momentum Δ , as well as the anisotropy in the relative angle between P and Δ . Our results cover a much larger kinematic range than accessible in previous computations performed in the correlation limit approximation, where it is assumed that | P | » | Δ | . We validate this approximation in its range of applicability and quantify its failure for | P | | Δ | . We also predict significant target-dependent deviations from the correlation limit approximation for | P | > | Δ | and | P | Q s , which offers a straightforward test of gluon saturation and access to multigluon distributions at a future Electron-Ion Collider.

Authors:
ORCiD logo [1];  [2]; ORCiD logo [3];  [2]
  1. Univ. of Jyväskyä (Finland); Univ. of Helsinki (Finland)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Brookhaven National Lab. (BNL), Upton, NY (United States); Stony Brook Univ., NY (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); Academy of Finland; German Research Foundation (DFG)
OSTI Identifier:
1603298
Alternate Identifier(s):
OSTI ID: 1605313
Report Number(s):
BNL-213677-2020-JAAM; arXiv:1912.05586v1
Journal ID: ISSN 0031-9007; PRLTAO
Grant/Contract Number:  
SC0012704; AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 124; Journal Issue: 11; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Mäntysaari, Heikki, Mueller, Niklas, Salazar, Farid, and Schenke, Björn. Multigluon Correlations and Evidence of Saturation from Dijet Measurements at an Electron-Ion Collider. United States: N. p., 2020. Web. doi:10.1103/PhysRevLett.124.112301.
Mäntysaari, Heikki, Mueller, Niklas, Salazar, Farid, & Schenke, Björn. Multigluon Correlations and Evidence of Saturation from Dijet Measurements at an Electron-Ion Collider. United States. doi:https://doi.org/10.1103/PhysRevLett.124.112301
Mäntysaari, Heikki, Mueller, Niklas, Salazar, Farid, and Schenke, Björn. Tue . "Multigluon Correlations and Evidence of Saturation from Dijet Measurements at an Electron-Ion Collider". United States. doi:https://doi.org/10.1103/PhysRevLett.124.112301. https://www.osti.gov/servlets/purl/1603298.
@article{osti_1603298,
title = {Multigluon Correlations and Evidence of Saturation from Dijet Measurements at an Electron-Ion Collider},
author = {Mäntysaari, Heikki and Mueller, Niklas and Salazar, Farid and Schenke, Björn},
abstractNote = {In this work, we study inclusive and diffractive dijet production in electron-proton and electron-nucleus collisions within the color glass condensate effective field theory. We compute dijet cross sections differentially in both mean dijet transverse momentum P and recoil momentum Δ, as well as the anisotropy in the relative angle between P and Δ. Our results cover a much larger kinematic range than accessible in previous computations performed in the correlation limit approximation, where it is assumed that |P|»|Δ|. We validate this approximation in its range of applicability and quantify its failure for |P|≲|Δ|. We also predict significant target-dependent deviations from the correlation limit approximation for |P|>|Δ| and |P|≲Qs, which offers a straightforward test of gluon saturation and access to multigluon distributions at a future Electron-Ion Collider.},
doi = {10.1103/PhysRevLett.124.112301},
journal = {Physical Review Letters},
number = 11,
volume = 124,
place = {United States},
year = {2020},
month = {3}
}

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