We show that a light-front covariant treatment of the spin in the nucleon gives rise to significant differences between transverse and longitudinal polarized parton distributions at low energies. These differences survive evolution to higher Q2 scales and the importance of these relativistic spin effects can be assessed by measuring double-spin asymmetries in lepton pair production in polarized hadron-hadron collisions.
Cano, F., Faccioli, P., Traini, M. (2000). Transversity as a measure of relativistic spin effects in the nucleon. NUCLEAR PHYSICS. A, 663-664, 309-312 [10.1016/s0375-9474(99)00603-x].
Transversity as a measure of relativistic spin effects in the nucleon
Faccioli, P;
2000
Abstract
We show that a light-front covariant treatment of the spin in the nucleon gives rise to significant differences between transverse and longitudinal polarized parton distributions at low energies. These differences survive evolution to higher Q2 scales and the importance of these relativistic spin effects can be assessed by measuring double-spin asymmetries in lepton pair production in polarized hadron-hadron collisions.
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