EPJ Web of Conferences
Volume 37, 2012MESON 2012 – 12th International Workshop on Production, Properties and Interaction of MESONS
|Number of page(s)
|06 December 2012
Study of the η → π+π−π0 decay in p − p collisions with WASA-at-COSY
M. Smoluchowski Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Cracow, Poland
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Study of the η → π+π−π0 decay allows for precise tests of the C parity conservation, makes possible to set constraints on the u and d as well as s and d quark mass ratios and can be used for a verification of the predictions of the Chiral Perturbation Theory (ChPT). The WASA-at-COSY collaboration has accumulated the world largest numbers of η mesons produced in p − d and p − p collisions. This report includes preliminary results of the ongoing analysis of the η → π+π−π0 decay from p − p data which were collected during 8 weeks of the COSY beam time in 2010 in Forschungszentrum Jülich with more than 108 η mesons produced.
© Owned by the authors, published by EDP Sciences, 2012
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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