Measurement of CP violation in stop cascade decays at the LHC J. Ellis, F. Moortgat, G. Moortgat-Pick, J. M. Smillie and J. Tattersall Eur. Phys. J. C, 60 4 (2009) 633-651 Published online: 12 March 2009 DOI: 10.1140/epjc/s10052-009-0964-8