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Three dimensional fragmentation functions from the quark-quark correlator

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arxiv 1505.02856 v1 pith:BTEFK6JO submitted 2015-05-12 hep-ph

Three dimensional fragmentation functions from the quark-quark correlator

classification hep-ph
keywords spinpartpolarizationdependentfragmentationfunctionshadronsindependent
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present the systematic results for three dimensional fragmentation functions defined via the quark-quark correlator for hadrons with spin 0, 1/2 and 1 respectively. These results are presented in terms of a spin independent part, a vector polarization dependent part and a tensor polarization dependent part. For spin 0 hadrons, only the spin independent part is needed, for spin 1/2 hadron, the polarization independent and vector polarization dependent parts are present, while for spin 1 hadrons, all the three parts exist. We discuss the general properties of these fragmentation functions and also present the corresponding results when transverse momentum is integrated.

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