Spin content of constituent quarks and one-spin asymmetries in inclusive processes

Details Spin content of constituent quarks and one-spin asymmetries in inclusive processes Spin content of constituent quarks and one-spin asymmetries in inclusive processes

1995-03-09

arxiv.org/abs/hep-ph/9503275v1

Phys.Rev. D52 (1995) 3862-3871

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages LaTeX + 8 figures (not included)

Scientific paper

10.1103/PhysRevD.52.3862

We consider mechanism for one-spin asymmetries observed in inclusive hadron production. The main role belongs to the orbital angular momentum of the quark-antiquark cloud in the internal structure of constituent quarks. We argue that the origin of the asymmetries in pion production is a result of retaining of this internal angular orbital momentum by the perturbative phase of QCD under transition from the non-perturbative phase. The non-perturbative hadron structure is based on the results of chiral quark models. PACS number(s): 11.30.Qc, 12.40.Pp, 13.75.Ni, 13.88.+e

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