Seminare de DPNC ================ Mercredi, 14 janvier, 1998 17.00 - Auditoire Stuckelberg Universite de Geneve Departement de physique nucleaire et corpusculaire 24, quai Ernest-Ansermet 1211 Geneva 4 Tel. 022 702 6273 Fax. 022 781 2192 ****************************************************************************** Sujet: W Boson Production at LEP Par: Dr. Alfons Weber, CERN Resume: Since 1996 LEP is running for the first time at energies above 161 GeV allowing for the first time the pair production of W bosons at a e+e- collider. Using this data, published and preliminary measurements from the four LEP experiments of the W mass and triple-gauge-boson coupling parameters will be presented.