Gauge symmetry and the EMC spin effect |
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Authors: | S. D. Bass |
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Affiliation: | 1. HEP Group, Cavendish Laboratory, University of Cambridge, Madingley Road, CB3 0HE, Cambridge, UK
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Abstract: | We emphasise the EMC spin effect as a problem of symmetry and discuss the renormalisation of theC=+1 axial tensor operators. This involves the generalisation of the Adler-Bell-Jackiw anomaly to each of these operators. We find that the contribution of the axial anomaly to the spin dependent structure functiong 1(x, Q 2) scales at O(αs). This means that the anomaly can be a largex effect ing 1. Finally we discuss the jet signature of the anomaly. |
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