Colour Modification of Factorisation in Single-Spin Asymmetries

Details Colour Modification of Factorisation in Single-Spin Asymmetries Colour Modification of Factorisation in Single-Spin Asymmetries

2009-11-22

arxiv.org/abs/0911.4306v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Presented at the DSPIN Workshop on High Energy Spin Physics, Dubna, Sept. 2009

Scientific paper

We discuss the way in which factorisation is partially maintained but nevertheless modified by process-dependent colour factors in hadronic single-spin asymmetries. We also examine QCD evolution of the twist-three gluonic-pole strength defining an effective T-odd Sivers function in the large-x limit, where evolution of the T-even transverse-spin DIS structure function g2 is known to be multiplicative.

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