Abstract:
The durability of the targets and entrance window foils of the Dubna gas-filled recoil
separator working at high intensive heavy ion beams was considered. The temperature, as a
factor determining their durability, was calculated as a function of time in the conditions of
their pulsed heating by heavy ion beam, followed by radiative cooling by radiation emitted
from their surfaces. The temperatures were calculated for 48Ca heavy ion beam with intensity
expected for the DC-280 accelerator. With the temperature calculated as a function of time,
optimal parameters of the entrance window and target operation were chosen.
