Chiral Perturbation Theory and the Determination of V_ud and V_us

por Helmut Neufeld (Universitat Wien)

martes 15 abr. 2003 16:00 → 17:00 Europe/Madrid

Sala Seminarios IFIC (Edf. Institutos de Investigación)

I discuss the present status of the extraction of the Cabibbo-Kobayashi-Maskawa matrix elements V_ud and V_us from K_e3 decays and the pionic beta decay.