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Transversity and Transverse Spin in Nucleon Structure through SIDIS at Jefferson Lab

A. Afanasev, M. Anselmino, H. Avakian, G. Cates, J. -P. Chen, E. Chudakov, E. Cisbani, C. de Jager, L. Gamberg, H. Gao, F. Garibaldi, X. Jiang, K. S. Kumar, Z. -E. Meziani, P. J. Mulders, J. -C. Peng, X. Qian, M. Schlegel, P. Souder, F. Yuan, L. Zhu

hep-pharXiv:hep-ph/0703288

Abstract

The JLab 12 GeV upgrade with a proposed solenoid detector and the CLAS12 detector can provide the granularity and three-dimensional kinematic coverage in longitudinal and transverse momentum, 0.1 x 0.5, 0.3 z 0.7 with PT 1.5 GeV to precisely measure the leading twist chiral-odd and T-odd quark distribution and fragmentation functions in SIDIS. The large x experimental reach of these detectors with a 12 GeV CEBAF at JLab makes it ideal to obtain precise data on the valence-dominated transversity distribution function and to access the tensor charge.

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