Single spin asymmetries in deep inelastic scattering

M. Anselmino; E. Leader; F. Murgia

doi:10.1103/PhysRevD.56.6021

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Single spin asymmetries in deep inelastic scattering

M. Anselmino

E. Leader

F. Murgia

Dipartimento di Fisica Teorica, Università di Torino and INFN, Sezione di Torino, Via P. Giuria 1, 10125 Torino, Italy

Birkbeck College, University of London, Malet Street, London WCIE 7HX, United Kingdom

INFN, Sezione di Cagliari, Via A. Negri 18, 09127 Cagliari, Italy

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Phys. Rev. D 56, 6021 – Published 1 November, 1997

DOI: https://doi.org/10.1103/PhysRevD.56.6021

Abstract

We consider possible mechanisms for single spin asymmetries in inclusive deep inelastic scattering processes with unpolarized leptons and transversely polarized nucleons. Tests for the effects of nonzero intrinsic $k_{⊥},$ for the properties of spin-dependent quark fragmentations and for quark helicity conservation are suggested.

References (16)

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[c1] D. L. Adams et al., Phys. Lett. B 264, 462 (1991).

[c2] D. L. Adams et al., Z. Phys. C 56, 181 (1992).

[c3] P. R. Cameron et al., Phys. Rev. D 32, 3070 (1985).

[c4] D. Sivers, Phys. Rev. D 41, 83 (1990).

[c5] D. Sivers, Phys. Rev. D 41, 261 (1991).

[c6] J. Qiu and G. Sterman, Phys. Rev. Lett. 67, 2264 (1991).

[c7] C. Boros, Liang Zuo-tang, and Meng Ta-chung, Phys. Rev. Lett. 70, 1751 (1993).

[c8] X. Artru, J. Czyzewski, and H. Yabuki, Z. Phys. C 73, 527 (1997).

[c9] A. V. Efremov, V. M. Korotkiyan and O. V. Teryaev, Phys. Lett. B 348, 577 (1995).

[c10] M. Anselmino, M. Boglione, and F. Murgia, Phys. Lett. B 362, 164 (1995).

[c11] J. C. Collins, Nucl. Phys. B396, 161 (1993).

[c12] J. C. Collins, Nucl. Phys. B394, 169 (1993).

[c13] J. C. Collins, S. H. Heppelmann, and G. A. Ladinsky, Nucl. Phys. B420, 565 (1994).

[c14] See, e.g., C. Bourrely, E. Leader, and J. Soffer, Phys. Rep. 59, 95 (1980).

[c15] M. Anselmino, A. Drago, and F. Murgia, in Proceedings of Spin 96, edited by C. W. de Jager (World Scientific, Singapore, 1997), p. 283; Report No. DFTT-18-97, e-print hep-ph/9703303.

[c16] C. Boros, Liang Zuo-tang, Meng Ta-chung, and R. Rittel, University of Berlin Report No. FUB-HEP/96-4; Proceedings of Spin 96 (Ref. [15]), p. 419.

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Single spin asymmetries in deep inelastic scattering

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References (16)

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