Wuppertal 2015 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 47: CP: Asymmetrie + 2 Neutrinos
T 47.7: Vortrag
Dienstag, 10. März 2015, 18:15–18:30, L.09.28 (HS 12)
Study of D0 → π+ π− π+ π− at Belle — •Johannes Rauch — Technische Universität München
Singly Cabibbo suppressed decays of charm mesons are expected to show a very small CP asymmetry, if any, in the Standard Model. Therefore, these channels provide a good probe for new physics.
Spectroscopy of various decay channels in multi-hadronic states have seldomly been undertaken in the current era of large data sets provided e.g. by the Belle experiment.
We will present the current status of an analysis of D0 → π+ π− π+ π−. Preliminary results of a partial wave analysis, measurements of relative branching fractions, and CP asymmetry will be shown.