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Title: Next-to-leading order weighted Sivers asymmetry in semi-inclusive deep inelastic scattering: three-gluon correlator

Abstract

We study the three-gluon correlation function contribution to the Sivers asymmetry in semi-inclusive deep inelastic scattering. We first establish the matching between the usual twist-3 collinear factorization approach and transverse momentum dependent factorization formalism for the moderate transverse momentum region. We then derive the so-called coefficient functions used in the usual TMD evolution formalism. Finally, we perform the next-to-leading order calculation for the transverse-momentum-weighted spin-dependent differential cross section, from which we identify the QCD collinear evolution of the twist-3 Qiu-Sterman function: the off-diagonal contribution from the three-gluon correlation functions.

Authors:
 [1];  [2];  [3];  [4]
  1. Indiana University , Bloomington, IN
  2. Jefferson Lab, Newport News, VA
  3. Los Alamos National Laboratory, Los Alamos, NM 87545
  4. Los Alamos National Laboratory, Los Alamos
Publication Date:
Research Org.:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1224702
Report Number(s):
JLAB-THY-15-2137; DOE/OR/23177-3597
DOE Contract Number:  
AC05-06OR23177; AC52-06NA25396
Resource Type:
Conference
Journal Name:
Proceedings of Science
Additional Journal Information:
Journal Volume: DIS2015; Conference: DIS 2015, April 27 - May 1, 2015, Southern Methodist University, Dallas, Texas
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Dai, Lingyun, Prokudin, Alexei, Kang, Zhong-Bo, and Vitev, Ivan. Next-to-leading order weighted Sivers asymmetry in semi-inclusive deep inelastic scattering: three-gluon correlator. United States: N. p., 2015. Web.
Dai, Lingyun, Prokudin, Alexei, Kang, Zhong-Bo, & Vitev, Ivan. Next-to-leading order weighted Sivers asymmetry in semi-inclusive deep inelastic scattering: three-gluon correlator. United States.
Dai, Lingyun, Prokudin, Alexei, Kang, Zhong-Bo, and Vitev, Ivan. Tue . "Next-to-leading order weighted Sivers asymmetry in semi-inclusive deep inelastic scattering: three-gluon correlator". United States. https://www.osti.gov/servlets/purl/1224702.
@article{osti_1224702,
title = {Next-to-leading order weighted Sivers asymmetry in semi-inclusive deep inelastic scattering: three-gluon correlator},
author = {Dai, Lingyun and Prokudin, Alexei and Kang, Zhong-Bo and Vitev, Ivan},
abstractNote = {We study the three-gluon correlation function contribution to the Sivers asymmetry in semi-inclusive deep inelastic scattering. We first establish the matching between the usual twist-3 collinear factorization approach and transverse momentum dependent factorization formalism for the moderate transverse momentum region. We then derive the so-called coefficient functions used in the usual TMD evolution formalism. Finally, we perform the next-to-leading order calculation for the transverse-momentum-weighted spin-dependent differential cross section, from which we identify the QCD collinear evolution of the twist-3 Qiu-Sterman function: the off-diagonal contribution from the three-gluon correlation functions.},
doi = {},
url = {https://www.osti.gov/biblio/1224702}, journal = {Proceedings of Science},
number = ,
volume = DIS2015,
place = {United States},
year = {2015},
month = {9}
}

Conference:
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