Search for the η-mesic Helium bound state with the WASA-at-COSY facility
1 M. Smoluchowski Institute of Physics, Jagiellonian University, Cracow, Poland
2 National Centre of Nuclear Research, Świerk, Poland
Published online: 11 May 2016
We performed a search for 4He-η bound state with high statistics and high acceptance with the WASA-at-COSY facility using a ramped beam technique. The signature of η-mesic nuclei is searched for in dd → 3Henπ0 and dd → 3Hepπ− reactions by the measurement of the excitation functions in the vicinity of the η production threshold. This paper presents the experimental method and the preliminary results of the data analysis for dd → 3Henπ0 process.
© Owned by the authors, published by EDP Sciences - SIF, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.