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Title: Accessing the gluon Sivers function at a future electron-ion collider

Abstract

In this paper, we present a systematic study on the feasibility of probing the largely unexplored transverse momentum dependent gluon Sivers function (GSF) in open charm production, high p T charged di-hadron and di-jet production at a future high energy, high luminosity Electron-Ion Col- lider (EIC). The Sivers function is a measure for the anisotropy of the parton distributions in momentum space inside a transversely polarized nucleon. It is proposed that it can be studied through single spin asymmetries in the photon-gluon fusion subprocess in electron proton collisions at the EIC. Using a well tuned Monte Carlo model for deep inelastic scattering, we estimate the possible constraints of the GSF from the future EIC data. A comparison of all the accessible mea- surements illustrates that the di-jet channel is the most promising way to constrain the magnitude of the GSF over a wide kinematic range.

Authors:
; ; ; ;
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1464305
Alternate Identifier(s):
OSTI ID: 1471182
Report Number(s):
[BNL-209044-2018-JAAM]
[Journal ID: ISSN 2470-0010; PRVDAQ; 034011]
Grant/Contract Number:  
[SC0012704]
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
[Journal Name: Physical Review D Journal Volume: 98 Journal Issue: 3]; 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

Zheng, L., Aschenauer, E. C., Lee, J. H., Xiao, Bo-Wen, and Yin, Zhong-Bao. Accessing the gluon Sivers function at a future electron-ion collider. United States: N. p., 2018. Web. doi:10.1103/PhysRevD.98.034011.
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Zheng, L., Aschenauer, E. C., Lee, J. H., Xiao, Bo-Wen, & Yin, Zhong-Bao. Accessing the gluon Sivers function at a future electron-ion collider. United States. doi:10.1103/PhysRevD.98.034011.
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Zheng, L., Aschenauer, E. C., Lee, J. H., Xiao, Bo-Wen, and Yin, Zhong-Bao. Mon . "Accessing the gluon Sivers function at a future electron-ion collider". United States. doi:10.1103/PhysRevD.98.034011.
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@article{osti_1464305,
title = {Accessing the gluon Sivers function at a future electron-ion collider},
author = {Zheng, L. and Aschenauer, E. C. and Lee, J. H. and Xiao, Bo-Wen and Yin, Zhong-Bao},
abstractNote = {In this paper, we present a systematic study on the feasibility of probing the largely unexplored transverse momentum dependent gluon Sivers function (GSF) in open charm production, high pT charged di-hadron and di-jet production at a future high energy, high luminosity Electron-Ion Col- lider (EIC). The Sivers function is a measure for the anisotropy of the parton distributions in momentum space inside a transversely polarized nucleon. It is proposed that it can be studied through single spin asymmetries in the photon-gluon fusion subprocess in electron proton collisions at the EIC. Using a well tuned Monte Carlo model for deep inelastic scattering, we estimate the possible constraints of the GSF from the future EIC data. A comparison of all the accessible mea- surements illustrates that the di-jet channel is the most promising way to constrain the magnitude of the GSF over a wide kinematic range.},
doi = {10.1103/PhysRevD.98.034011},
journal = {Physical Review D},
number = [3],
volume = [98],
place = {United States},
year = {2018},
month = {8}
}
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DOI: 10.1103/PhysRevD.98.034011
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