EPJ Web of Conferences
Volume 37, 2012MESON 2012 – 12th International Workshop on Production, Properties and Interaction of MESONS
|Number of page(s)||3|
|Published online||06 December 2012|
Monte Carlo studies of η → 4π0 CP symmetry violating decay with WASA-at-COSY detector
Institute of Physics, Jagiellonian University, ul. Reymonta 4, 30-059 Kraków, Poland
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We present feasibility studies of the measurement of η meson decay into a 4π0 system using the WASA-at-COSY detector. Kinematics of the pp → ppη → pp4π0 → pp8γ reactions and response of the WASA-at-COSY detector were simulated. The identification of the η → 4π0 → 8γ decay was based on the invariant mass method for both π0 and η mesons. As a result, the resolution of the invariant mass determination of the η meson was established to σ = 31 MeV/c2. The efficiency of the WASA-at-COSY detector for the measurement and reconstruction of the pp → ppη → pp4π0 → pp8γ reaction was determined to be 1.5%.
© Owned by the authors, published by EDP Sciences, 2012
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