Georgiev, Svetlin G (sorbonne University, Zennir, Khaled (qassim University (1) Smilga, Voldemar (-) (1) Denegri, Daniel (cnrs/in2p3, Guyot, Claude (cea/irfu, Hoecker, Andreas (cern, Roos, Lydia (lpnhe (1) Giller, Graham L (giller Inverstments (1) Singmaster, David (london South Bank Univ (1)