Benjamin Fuks(LPTHE Paris), Filippo Sala(LPTHE, Univ Paris 6), Jean-Philippe Lansberg(IPNO - Paris-Sud U. - CNRS/IN2P3), Marco Cirelli(LPTHE Jussieu CNRS), Marco Zaro(LPTHE Paris), Sabine Kraml(LPSC Granoble), Samuel Wallon(LPT Orsay and UPMC university)