Frankfurt 2014 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 23: Hadronenstruktur und -spektroskopie

HK 23.4: Talk

Tuesday, March 18, 2014, 17:45–18:00, HZ 1+2

Study of chiral dynamics in π⁻π⁰π⁰ production in Primakoff reactions at COMPASS — •Markus Krämer — TU-München Phisikdepartment E18, James-Franck-Str. 1, Garching

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. In 2009 during a two-week long period data were recorded in order to study the Primakoff reaction by colliding a 190 GeV/c pion beam on a nickel target. A partial-wave analysis of this data allows to measure the absolute cross section of the reaction π⁻γ → π⁻π0π0, which is predicted by chiral perturbation theory. The analysis of this reaction will be presented.

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