Polarisation in sfermion decays: determining and trilinear couplings E. Boos, H.-U. Martyn, G. Moortgat-Pick, M. Sachwitz, A. Sherstnev and P. M. Zerwas Eur. Phys. J. C, 30 3 (2003) 395-407 Published online: 29 August 2003 DOI: 10.1140/epjc/s2003-01288-y