Professor Hamid OUGHADDOU CY Cergy Paris University Director of the Physics Department. CY Cergy Paris University Physics Departement Bâtiment Neuville II, 5 Mail Gay Lussac, 95031 Neuville/Oise, CY Cergy Paris Université cedex, France Tél : +33 (0)134257337 / Fax +33 (0)134257071 E-mail : Hamid.oughaddou@cyu.fr Institut des Sciences Moléculaires d'Orsay (ISMO-CNRS) Bât. 520, Université Paris-Sud, 91405 Orsay-France http://www.ismo.u-psud.fr/spip.php?rubrique198 tel: (33)1 69153265 / Fax: (33)169156777 E-mail : Hamid.oughaddou@universite-paris-saclay.fr

                                                                                  Hamid.oughaddou@universite-paris-saclay.fr <> Hamid.oughaddou@cyu.fr