Permanent link to this recordhttp://hdl.handle.net/20.500.12613/6054
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AbstractMomentum sum rules for fragmentation functions are considered. In particular, we give a general proof of the Schäfer-Teryaev sum rule for the transverse momentum dependent Collins function. We also argue that corresponding sum rules for related fragmentation functions do not exist. Our model-independent analysis is supplemented by calculations in a simple field-theoretical model. © 2010 Elsevier B.V. All rights reserved.
Citation to related workElsevier BV
Has partPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
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