First evaluation of a novel ionisation chamber for thermal neutron beam monitoring Vendula Maulerová, Kalliopi Kanaki, Martin Klein, Christian J. Schmidt, Peter M. Kadletz, Alessio Laloni and Richard J. Hall-Wilton EPJ Techn Instrum, 9 1 (2022) 11 Published online: 25 October 2022 DOI: 10.1140/epjti/s40485-022-00086-x