Speaker
Description
To study the effect of induced by neutron irradiation aging various materials in the BINP SB RAS special stand was developed and created. It uses the infrastructure of the facility to study the Boron Neutron Capture Therapy (BNCT) method. The BNCT facility has option to produce fast neutrons with an energy up to 15 MeV by using deuteron beam. The used to irradiation neutrons are produced in nuclear reactions of deuteron beam with thin layer of lithium: $d + {}^7Li \to {}^8Be + n + 15.028$ MeV and $d + {}^7Li \to 2{}^4He + n + 15.122$ MeV. Integral dose at the level of 10^{14} neq/cm^{2} can be obtained (in the case of continuous generation it takes about 110 hours of irradiation). The uniqueness of this radiation tests in contrast to irradiation in reactor is the precise control of the accumulated dose with continuous measuring of degradation of parameters.
A study of radiation resistance of optical fibers which are used in the Laser Monitoring system of CMS detector (CERN) was performed in 2022. The degradation of transparency at level from 20% to 35% (over the full length of the fibers) was obtained. In 2024 the first tests of radiation aging of SiPMs were performed. In 2025 development of a special stand to study the behavior of SiPMs began. The progress of the stand development and obtained results will be presented.
| Position | Senior scientist |
|---|---|
| Affiliation | BINP SB RAS |
| Country | Russia |