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Lorentz invariance relations among parton distributions revisited
Goeke, K Metz, A Pobylitsa, PV Polyakov, MV
Goeke, K
Metz, A
Pobylitsa, PV
Polyakov, MV
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Journal Article
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2003-08-07
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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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Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
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