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Münster 2017 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 27: Poster

HK 27.4: Poster

Tuesday, March 28, 2017, 16:45–18:45, F Foyer

Resonance extraction from (3π) final states — •Sebastian Uhl — Technische Universität München

In order to study the spectrum of light hadrons, the COMPASS experiment at CERN has collected a huge data set with a 190 GeV/c π beam impinging on a liquid-hydrogen target. Resonances are diffractively produced at squared four-momentum transfers to the target between 0.1 and 1 (GeV/c)2. The two-stage magnetic spectrometer with two electromagnetic calorimeters allows us to study final states with charged as well as neutral particles. The two dominant channels are the decays into the πππ+ and ππ0π0 final states. We will report on a method to extract resonance properties from both channels simultaneously.

This work was supported by the BMBF, the Maier-Leibnitz-Laboratorium der Universität und der Technischen Universität München, the DFG Cluster of Excellence ‘Origin and Structure of the Universe’ (Exc 153), and by the computing facilities of the ‘Computational Center for Particle and Astrophysics’ (C2PAP).

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