Transversity and its accompanying T-odd distribution from Drell–Yan processes with pion-proton collisionsA. Sissakian, O. Shevchenko, A. Nagaytsev, O. Denisov and O. IvanovEur. Phys. J. C, 46 1 (2006) 147-150DOI: https://doi.org/10.1140/epjc/s2006-02490-1