Optimization of the system of solid-state separation of volatile products of reactions of complete fusion with heavy ions

The stability of the separation efficiency of the MASHA setup was studied under high current conditions and long-term experiments. The system of solid-state separation of volatile products of fusion reactions was optimized, a new design of a “solid-state hot catcher” based on thin layers of graphene and carbon nanotubes was designed and tested. The experiments showed the possibility of using these materials at a heavy ion beam intensity ∼ 0.5 part ·𝜇A. For constant monitoring of the installation separation efficiency during the experiment, 16-strip silicon detector was placed in the intermediate focal plane. The control system was debugged in an experiment for simultaneously measure two complete fusion reactions: 40 Ar + 144Er in the intermediate focal plane and 40Ar + 166Er in the main focal plane of the mass spectrometer.