1. J. W. Petersen, G. Weyer, A. Svane, E. Holzschuh, and W. Kundig, Nucl. Instrum. Methods Phys. Res., Sect. B 63, 179 (1992).
2. V. V. Kharitonov and V. N. Gerasimov, Report AEI-6232/9 (Natl. Res. Center Kurchatov Inst., Moscow, 2001).
3. M. A. Andreeva, S. M. Irkaev, and V. G. Semenov, J. Exp. Theor. Phys. 78, 956 (1994).
4. A. Blachowski and K. Ruebenbauer, Phys. Scr. 73, 263 (2006).
5. T. Bulin, P. Roupkova, C. Ondrusek, and O. Schneeweiss, IOP Conf. Ser.: Mater. Sci. Eng. 461, 012009 (2018).