Darmstadt 2016 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 9: Hadron Structure and Spectroscopy II

HK 9.7: Vortrag

Montag, 14. März 2016, 18:15–18:30, S1/01 A5

Pion-Photon Reaction in Pion-Nucleus Scattering at COMPASS — •Markus Krämer — Technische Universtität München, Garching, Germany

COMPASS is a fixed-target experiment at CERN, which uses muon and hadron beams produced at the SPS to address a wide variety of physics topics. An important aspect of the scientific program of COMPASS is the study of pion-photon interaction, which are accessible through the Primakoff reaction. In 2009 a two-weeks long period of data recording was dedicated for this study. Among the studied final states are exclusive π⁻π⁰π⁰ events, which are analyzed to measure the cross section of radiative processes. For this purpose the contribution of radiative and strong processes are determined through a partial-wave decomposition.

Supported by BMBF, MLL and the Cluster of Excellence Exc153 "Origin and Structure of the Universe"