1. RADIOACTIVE ION BEAMS AT B.RANNOU W.MITTIG M.G.ST LAURENT (GANIL France)

2. plan 1.The GANIL and SPIRAL I RIBs facility safety and radiation protection 2.The LINAG project

3. GANIL Stable beams from C to U Maximum energy 95 AMeV Intensity 2.10 13 pps (6 kW) RIB production in-flight method : SISSI and LISE ISOL method : SPIRAL I (SIRa)

4. SPIRAL I Primary beams From C 95 AMeV to Kr 68 AMeV Power max 6 kW (1.5 kW) Target C ECR ion source 15 days of irradiation Secondary beams No restriction in mass Emax = 25 AMeV

5. SPIRAL I cave

6. SPIRAL I target source

7. Activation and Dose rate calculation ( EPAX )

8. Dose rate measurement calculation Calculation measure

9. Cooling water activation Dose rate 25 µSv/h at 30 cm during operation (13C 75 AMeV 1.5kW) After one year 45 kBq/l

10. Radioactive release Normal conditions 1.Air activation by neutrons (radioactive gases short life) 2.Storage of gases from vacum system Accidents  Air Ventilation system with high efficiency filtre Impact of the SPIRAL facility : 0.06 µSv/year

11. Airborne activation neutron Air activity A max = 4.10 7 Bq/m3 (gaz) and 60 Bq/m3 (aerosol) for 1.5 kW 13 C 75 AMeV beam After beam shut traces (1 Bq/cm 2 )

12. LINAG project

13. Goals Production of RIB’s from fission products using ISOL method Deuterons beam 40 MeV, 5 mA (200 kW) C converter for neutron production UCx production target > 10 13 fissions/s Irradiation time 3 months

14. Converter and Target activation Calculations performed with LAHET MCNP CINDER code : Total activity Activity by radioactivity ( ,  and  ) and species (gases, …) Dose rate During irradiation and after decay time

15. Converter and target calculation U Target density2.3 g/cm 3 11 g/cm 3 Total activity (Bq)6.77 10 13 3.64 10 14 Total activity (Bq) after 1 year1.44 10 11 6.88 10 11  activity (Bq) 7.10 10 6 4.28 10 7 Tritium activity (Bq)4.28 10 6 3.76 10 8  Dose rate (µSv/h at 1 m) 6.83 10 6 3.20 10 7  Dose rate (µSv/h at 1 m) after 1 year 6.76 10 3 3.39 10 4

16. Converter Plug

17. Containment of volatile radioactivity

18. Gases production Noble gases and elements with T boiling > 2000°C Define decay time for the releast Time after beam shut (month) 0112 Activity gases (Bq) 2.51 10 13 6.9 10 10 2.8 10 10

19. Neutron production

20. General siting