TY CONF TI Assessing the risk of a nuclear power plant in a terrorist attack. Application of physical protection systems. Ray-tracing technology optimization techniques KW risk KW risk assessment KW security system KW physical protection system KW risk-informed security system JO International Conference "Computing for Physics and Technology - CPT2020" AU Oboimov, A.S. AU Zolotarev, O.V. AU Cheremisenov, I.S. AU Fedoseeva, E.I. AU Tokarev, A.O. AU Razina, E.V. AU Galieva, A.R. PY 2024 PB ANO "Scientific and Research Center for Information in Physics and Technique"