EPJ Web Conf.
Volume 199, 2019MESON 2018 – 15th International Workshop on Meson Physics
|Number of page(s)||3|
|Published online||01 February 2019|
Search for η-mesic 3He in non-mesonic final state
M. Smoluchowski Institute of Physics, Jagiellonian University, Cracow, Poland
* e-mail: firstname.lastname@example.org
Published online: 1 February 2019
The experiment on searching for η-mesic 3He nucleus was performed in May 2014 at COSY accelerator in Juelich by WASA-at-COSY Collaboration. The measurements were carried out using ramped beam technique which allows for the slow and continuous beam momentum change near the threshold of η meson creation. The luminosity was obtained based on pd → 3Heη reaction and quasielastic proton-proton scattering. The bound state of η-meson and 3He nucleus is searched for in pd → 3He2γ and pd → 3He6γ channels. The analysis is still in progress and the estimated upper limit value is on the level of few nanobarns.
© The Authors, published by EDP Sciences, 2019
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