Production and decay of baryonic resonances in pion induced reactions
Smoluchowski Institute of Physics, Jagiellonian University, 30-048 Krakow, Poland
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Published online: 29 November 2016
Pion induced reactions give unique opportunities for an unambiguous description of baryonic resonances and their coupling channels. A systematic energy scan and high precision data, in conjunction with a partial wave analysis, allow for the study of the excitation function of the various contributions. A review of available world data unravels strong need for modern facilities delivering measurements with a pion beam. Recently, HADES collaboration collected data in pion-induced reactions on light (12C) and heavy (74W) nuclei at a beam momentum of 1.7 GeV/c dedicated to strangeness production. It was followed by a systematic scan at four different pion beam momenta (0.656, 0.69, 0.748 and 0.8 GeV/c) in π− − p reaction in order to tackle the role of N(1520) resonance in conjunction with the intermediate ρ production. First results on exclusive channels with one pion (π− p) and two pions (nπ+π−, pπ−π0) in the final state are discussed.
© The Authors, published by EDP Sciences, 2016
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