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Title: Final state interactions and the transverse structure of the pion using non-perturbative eikonal methods

Journal Article · · Physics Letters. B
 [1];  [2]
  1. Penn State Berks, Reading, PA; Inst. for Nuclear Theory, Seattle, WA (United States)
  2. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

In the factorized picture of semi-inclusive hadronic processes the naive time reversal-odd parton distributions exist by virtue of the gauge link which renders it color gauge invariant. The link characterizes the dynamical effect of initial/final-state interactions of the active parton due soft gluon exchanges with the target remnant. Though these interactions are non-perturbative, studies of final-state interaction have been approximated by perturbative one-gluon approximation in Abelian models. We include higher-order contributions by applying non-perturbative eikonal methods incorporating color degrees of freedom in a calculation of the Boer-Mulders function of the pion. Lastly, using this framework we explore under what conditions the Boer Mulders function can be described in terms of factorization of final state interactions and a spatial distribution in impact parameter space.

Research Organization:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
AC05-06OR23177
OSTI ID:
983103
Report Number(s):
JLAB-THY-09-1104; DOE/OR/23177-1053; ARXIV:0911.1964; PYLBAJ; TRN: US1004434
Journal Information:
Physics Letters. B, Vol. 685; ISSN 0370-2693
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 39 works
Citation information provided by
Web of Science

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Pion transverse momentum dependent parton distributions in a light-front constituent approach, and the Boer-Mulders effect in the pion-induced Drell-Yan process journal July 2014
Spin physics through unpolarized processes journal January 2016
Boer-Mulders function of the pion in the MIT bag model journal November 2012
Constraining Quark Angular Momentum through Semi-Inclusive Measurements journal November 2011
Pion nucleus Drell–Yan process and parton transverse momentum in the pion journal August 2018
Boer-Mulders function of the pion and the q T -weighted cos 2 φ asymmetry in the unpolarized π p Drell-Yan process at COMPASS journal May 2017
Pion transverse momentum dependent parton distributions in the Nambu and Jona-Lasinio model journal November 2015
Sivers and Boer-Mulders functions in Light-Cone Quark Models text January 2010
Boer-Mulders function of the pion in the MIT bag model text January 2012
Pion nucleus Drell-Yan process and parton transverse momentum in the pion text January 2018
Predicting the light-front holographic TMDs of the pion text January 2019
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