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Modelling quark distribution and fragmentation functions

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arxiv hep-ph/9704335 v1 pith:YXP6WZII submitted 1997-04-16 hep-ph

R. Jakob , P.J. Mulders , J. Rodrigues This is my paper
classification hep-ph
keywords functionsdistributionfragmentationinvariancequarkallowscombinedconsequences
verification ladder T0 review T1 audit T2 compute T3 formal
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The representation of quark distribution and fragmentation functions in terms of non-local operators is combined with a simple spectator model. This allows us to estimate these functions for the nucleon and the pion ensuring correct crossing and support properties. We give estimates for the unpolarized functions as well as for the polarized ones and for subleading (higher twist) functions. Furthermore we can study several relations that are consequences of Lorentz invariance and of C, P, and T invariance of the strong interactions.

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Cited by 4 Pith papers

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