CP violating asymmetry in stop decay into bottom and chargino Helmut Eberl, SebastianM.R. Frank and Walter Majerotto Eur. Phys. J. C, 70 4 (2010) 1017-1024 Published online: 26 November 2010 DOI: 10.1140/epjc/s10052-010-1501-5