Higher Twist Effects in Parton Fragmentation Functions

Details Higher Twist Effects in Parton Fragmentation Functions Higher Twist Effects in Parton Fragmentation Functions

2005-05-19

arxiv.org/abs/nucl-th/0505060v1

Physics

Nuclear Physics

Nuclear Theory

18 pages, 6 figures

Scientific paper

We study twist expansions for parton fragmentation functions based on the definition of the twist as an invariant matrix element of a light-cone, bilocal operator. The results are then applied to a method which might be used to extract higher twist effects in the fragmentation sector using both $e^+ e^-$, and $e^- p$ collisions. We discuss how to apply the later measurements to experiments at the Jefferson National Acceleration Facility.

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