EPJ Web Conf.
Volume 199, 2019MESON 2018 – 15th International Workshop on Meson Physics
|Number of page(s)||4|
|Published online||01 February 2019|
Partial wave analysis of HADES data for two-pion production in pion-nucleon reactions
1 Institute of Nuclear Physics PAS, Kraków, Poland
2 Smoluchowski Institute of Physics, Jagiellonian University, Kraków, Poland
3 NRC “Kurchatov Institute”, PNPI, Gatchina, Russia
4 Helmholtz-Institute fur Strahlen- und Kernphysik, Universitat Bonn, Germany
* e-mail: firstname.lastname@example.org
Published online: 1 February 2019
Pion beams are perfect tools to probe resonance excitations at a fixed energy, thus properties of baryonic resonances and their coupling channels can be studied. The HADES Collaboration performed a systematic scan around the second resonance region at four different pion beam momenta 0.656, 0.69, 0.748 and 0.8 GeV/c in π− p reaction. The role of the N(1520) resonance in conjunction with the intermediate ρ-meson production has been studied in the framework of a partial wave analysis. Preliminary results on exclusive channels with one pion (π− p) and two pions (nπ+π− and pπ−π0) in the final state are presented.
© The Authors, published by EDP Sciences, 2019
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