ER@CEBAF - A high energy, multi-pass energy recovery experiment at CEBAF by Méot, F, Ben-Zvi, I, Hao, Y, Korysko, P, Liu, C, Minty, M, Ptitsyn, V, Robert-Demolaize, G, Roser, T, Thieberger, P, Tsoupas, N, Bevins, M, Bogacz, A, Douglas, D, Dubbe, C, Michalski, T, Pilat, F, Roblin, Y, Satogata, T, Spata, M, Tennant, C, Tiefenback, M