Close to threshold η′ meson production in proton-proton collisions at cosy-11

E. Czerwiński; P. Moskal; M. Silarski

doi:10.1051/epjconf/20148102003

EPJ

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Proceedings

Open Access

EPJ Web of Conferences 81, 02003 (2014)
https://doi.org/10.1051/epjconf/20148102003

Close to threshold η′ meson production in proton-proton collisions at cosy-11

E. Czerwiński¹^a, P. Moskal¹^,2 and M. Silarski¹ for the COSY-11 Collaboration

¹ Institute of Physics, Jagiellonian University, PL-30-059 Cracow, Poland
² Institute for Nuclear Physics, Research Center Jülich, D-52425 Jülich, Germany

^a e-mail: eryk.czerwinski@uj.edu.pl

Published online: 26 November 2014

Abstract

We summarize results from measurements of excitation function for pp → ppη′ reaction performed at COSY-11 detector. The determined cross sections enabled an extraction of the scattering length of the η′-proton interaction in the vacuum.

© Owned by the authors, published by EDP Sciences, 2014

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.