New approach for a “point-like” neutron source creation based on sharp focusing of a high quality deuteron beam produced by high-current gasdynamic ECR ion sourceS.V. Golubev, I.V. Izotov, R.L. Lapin, S.V. Razin, R.A. Shaposhnikov, S.V. Sidorov and V.A. SkalygaEPJ Web Conf., 149 (2017) 02027DOI: https://doi.org/10.1051/epjconf/201714902027