Lorentz invariance relations among parton distributions revisited

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Genre
Journal Article
Date
2003-08-07
Author
Goeke, K
Metz, A
Pobylitsa, PV
Polyakov, MV
Subject
hep-ph
hep-ph
Permanent link to this record
http://hdl.handle.net/20.500.12613/6125

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DOI
10.1016/S0370-2693(03)00870-0
Abstract
We revisit the derivation of the so-called Lorentz invariance relations between parton distributions. In the most important cases these relations involve twist-3 and transverse momentum dependent parton distributions. It is shown that these relations are violated if the path-ordered exponential is taken into account in the quark correlator. © 2003 Elsevier B.V. All rights reserved.
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Elsevier BV
Has part
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
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