GEM Detector Performance Assessment in the BM@N Experiment Mikhail Kapishin, Vladimir Karjavin, Elena Kulish, Vasilisa Lenivenko, Alexander Makankin, Anna Maksymchuk, Vladimir Palichik and Sergey Vasiliev EPJ Web Conf., 173 (2018) 04007 Published online: 14 February 2018 DOI: 10.1051/epjconf/201817304007