Safety & Radioprotection 8 Jul. 2005, Liverpool, UK WP 5: Safety & Radioprotection Participants:role 1. GANIL, France - sub-task D 2. FZJ, Germany - sub-task C 3. LMU, Germany - sub-task B 4. CERN, EU - sub-task A 5. CEA, France - coordination 6. NIPNE, Romania - contribution 7. FI, Lithuania - contribution 8. Univ. Warsaw, Poland - contribution External partners: ORNL, ANL, TRIUMF, JAERI, KAERI Total budget request: ~700 kEuros for this task 4 sub-tasks (A) Radiation, activation, shielding & doses (B) Radioactivity control, safety & risks (D) Conformity to legislation 4y 3y 2y 1y schedule (C) Decommissioning 4 sub-tasks (A) Radiation, activation, shielding & doses (B) Radioactivity control, safety & risks (D) Conformity to legislation 4y 3y 2y 1y schedule (C) Decommissioning

Safety & Radioprotection 8 Jul. 2005, Liverpool, UK In collaboration with the tasks: WP 4 and WP 11 Sub-task A: Radiation, activation, shielding & doses (coord. by CERN; 0-24 months) 1 st year plan: benchmark calculations Particle and energyMaterialsCodes protons and neutrons; 150 MeV – 1500 MeV C, Be, Si, Fe, Hg, Pb, Ta, W, Th, U (both thin and thick targets) FLUKA and MCNPX ActionObservableParticipant (code)Specific task 1Neutron and photon attenuation FI (MCNPX) and NIPNE (FLUKA) CERN and CEA helps in defining the benchmarks and data 2Neutron and charged particle production CEA (MCNPX) and WU (FLUKA) CEA provides data for thin targets; WU provides data for thick targets. 3Production of residuesCEA (MCNPX) and CERN (FLUKA) CEA provides data for thin targets; CERN provides data for thick targets Preliminary results  EURISOL DS week in Nov Final report  due to Feb. 2006

Safety & Radioprotection 8 Jul. 2005, Liverpool, UK Good knowledge of physics is indispensable! J.-C. David (CEA) Importance of benchmarks!

Safety & Radioprotection 8 Jul. 2005, Liverpool, UK Hg Xe L.Zanini et al., ND2004, Santa Fe, Sept. 26 – Oct. 1, GeV p+PbBi at ISOLDE New model Old model Choice of default model parameters is not acceptable! S. Leray (CEA)

Safety & Radioprotection 8 Jul. 2005, Liverpool, UK after 1 year irradiation Concentration of atoms The best models should be used! volatiles Charge Z Bq/kg Cooling time Activity (Curies) L. Donadille (CEA)

Safety & Radioprotection 8 Jul. 2005, Liverpool, UK Sub-task B: Radio-activity control, safety & risk (coord. by LMU; 0-48 months) 1 st year plan: (B1) design of gas purification system & cryogenic trap prototype commissioning (B2) model creation and validation for activity in the ground water (B3) creation of the software platform for exposure evaluations

Safety & Radioprotection 8 Jul. 2005, Liverpool, UK P. Thirolf (LMU) Installed and connected to the He-refrigerator Thermal sensors to be installed Measurements with known tracer elements 1 st year plan: (B1) design of gas purification system & cryogenic trap prototype commissioning (B2) model creation and validation for activity in the ground water (B3) creation of the software platform for exposure evaluations

Safety & Radioprotection 8 Jul. 2005, Liverpool, UK A. Plukis (FI) & R. Moormann (FZJ) Experience gained in the design of ESS is being collected TRACE/PARTRACE and SPRING codes are chosen Validation with data based on pesticide transport in progress Validation with data based on nuclear power plants to be done Similar task in SAFERIB of EURONS 1 st year plan: (B1) design of gas purification system & cryogenic trap prototype commissioning (B2) model creation and validation for activity in the ground water (B3) creation of the software platform for exposure evaluations

Safety & Radioprotection 8 Jul. 2005, Liverpool, UK F. Negoita (NIPNE) Experience gained in the design and control of NPP is being collected Software platform for EURISOL DS  Point Source Exposure  Acute Exposure to Environmental Releases  Prolonged Exposure to Environmental Releases Data library creation for EURISOL DS  Routine Exposure Data  Emergency Exposure Data 1 st year plan: (B1) design of gas purification system & cryogenic trap prototype commissioning (B2) model creation and validation for activity in the ground water (B3) creation of the software platform for exposure evaluations

Safety & Radioprotection 8 Jul. 2005, Liverpool, UK Summary Some work well in progress and 1 st results to be reported in EURISOL DS week Creation of the WWW for the task  well in progressWWW Close collaboration with SAFERIB of EURONS  activated Contact and collaboration with external partners  activated Meetings held: T5-01-CERN “Kick-off” T5-02-CEA “Monte-Carlo” Meetings planned: T5-03-CEA-oct.05 in collaboration with SAFERIB“progress” Difficulties to hire good candidates Start of the DS for safety and radioprotection still under “stand-by” Need of data for materials, dimensions, beam properties, etc. 

Safety & Radioprotection 8 Jul. 2005, Liverpool, UK Béton Air V. Blideanu (CEA) Cyclotron “Nantes” Input: p, d,  (70 MeV; 1 mA) + target (?) Request: dimensions of concrete walls for doses <0.5μSv/h

Safety & Radioprotection 8 Jul. 2005, Liverpool, UK Z(cm) Y (cm) Z(cm) X (cm) Direction du faisceau 6 m V. Blideanu (CEA) Calculations can be done! BUT How many of them? All possible materials? All possible particles and their energies? All “imaginable” geometry configurations?

Safety & Radioprotection 8 Jul. 2005, Liverpool, UK Limite de 0,5μSv/h Limite inferieure du massif 400 cm 380 cm 480 cm uSv/hr Z (cm) V. Blideanu (CEA)Example: Protons on heavy mass target Situation is completely different for deuterons & alphas and/or different targets!