Darmstadt 2016 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 32: Hadron Structure and Spectroscopy V

HK 32.3: Talk

Wednesday, March 16, 2016, 14:45–15:00, S1/01 A4

Light Meson Decays in CLAS and CLAS12 — •Michael Kunkel — Forschungszentrum Jülich — CLAS Collaboration

Photoproduction experiments with the CEBAF Large Acceptance Spectrometer (CLAS) at the Thomas Jefferson National Facility produce data sets with competitive statistics of light mesons. With these data sets, measurements of transition form factors for η, ω, and η^′ mesons via conversion decays can be performed using the invariant mass distribution of the final state dileptons. Tests of fundamental symmetries and information on the light quark mass difference can be performed using a Dalitz plot analysis of the meson decay. An overview of preliminary results, from existing CLAS data, and future prospects within the newly upgraded CLAS12 apparatus are given.