The asymmetry in the angular distribution of Drell–Yan dilepton pairs produced in collisions where just one nucleon is transversely polarised has been examined in the literature with a variety of results, mainly differing by factors of two. We re-evaluate the asymmetry via twist-3 contributions in collinear factorisation. In order to allow complete and in-depth comparison with existing calculations, we supply all calculational details.

Single transverse-spin asymmetries in Drell–Yan processes

RATCLIFFE, PHILIP GEORGE
2014-01-01

Abstract

The asymmetry in the angular distribution of Drell–Yan dilepton pairs produced in collisions where just one nucleon is transversely polarised has been examined in the literature with a variety of results, mainly differing by factors of two. We re-evaluate the asymmetry via twist-3 contributions in collinear factorisation. In order to allow complete and in-depth comparison with existing calculations, we supply all calculational details.
2014
Particle physics; spin; asymmetry
Re Calegari, G.; Ratcliffe, PHILIP GEORGE
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11383/1866521
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