Quasiparticles relaxation processes in Nb/CuNi bilayers E. A. Ilyina, C. Cirillo and C. Attanasio Eur. Phys. J. B, 83 1 (2011) 53-56 Published online: 15 September 2011 DOI: 10.1140/epjb/e2011-20476-3