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7 topics Exotic nuclei Neutrinos / low level radioactivities Astroparticles – GLAST

7 topics Exotic nuclei Neutrinos / low level radioactivities Astroparticles – GLAST Nuclear excitations via lasers Interface physics-biology Nuclear waste and energy for the futur Theory Platform AIFIRA Technogical transfer department 37 permanent researchers

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7 topics Exotic nuclei Neutrinos / low level radioactivities Astroparticles – GLAST

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  1. 7 topics • Exotic nuclei • Neutrinos / low level radioactivities • Astroparticles – GLAST • Nuclear excitations via lasers • Interface physics-biology • Nuclear waste and energy for the futur • Theory • Platform AIFIRA • Technogical transfer department • 37 permanent researchers 40 permanent engineers and technicians 20 PhDs, post-docs and visitors NUPECC Bordeaux 27-28/10/06

  2. GLAST Gamma-ray Large Area Space Telescope 10 MeV-300 GeV • A collaboration between the USA, Italy, France, Japan, and Sweden. • Launch: 7th october 2007 (NASA) • Current activities at the CENBG: • Calorimeter calibrations • Simulation improvements • Developing analysis tools • Pulsar ephemeredes database

  3. Cross sections measurements (fission or capture) for neutron induced reactions on highly radiotoxic targets50 keV < En < 10 MeV

  4. Neutron induced reaction fission gamma xn (x = 1,2) A+n  (A+1)* Compound Nucleus measured (A+1)* has to be produced in the same state as in the neutron induced reaction same E*, same quantum numbers Iπ • If A not available B+X  (A+1)* + Y measured calculated fission (En) = CN * Pfission(En) fission (En) = CN * Pfission(En)

  5. b- b- b- b- 239U 233Th 233Pa 239Np 23min 2d 27d 22min Cycle Th-U 233U 232Th +n Fissile Fertile Cycle U-Pu 239Pu 238U +n

  6. 233Pa + n  234Pa*  fission

  7. 109 bq/mg fission fission 231Pa 33000 y + n 232Pa 1.3 d 233Pa 27 d + n 234Pa 6.7 h 3He,d 3He,p 3He,t 232Th 1.4 1010 y 230Th 74000 y + n 231Th 25 h 3He,a 232Th + 3He  p + 234Pa* fission fission

  8. Fission cross sections for 230Th+n and 231Pa+n (n,f) Our results Our results Neutron energy (MeV) Neutron energy (MeV)

  9. Transmutation of minor actinides

  10. 3 106 Bq/mg fission fission 242Cm 162.9 d + n 243Cm 29.1 y 244Cm 18.1 y 245Cm 8500 y + n 3He,d 3He,p 3He,t 3He,a 243Am 7370 y 241Am 432 y + n 242Am 16 h Argonne ANL 141 y 8 103 Bq/mg fission Transfer reactions on minor actinides

  11. 108 bq/mg fission fission 240Cm 27 d + n 241Cm 32.8d 242Cm 162.8 d + n 243Cm 28.5 y 3He,d 3He,p 3He,t 241Am 432 y 239Am 11.9h + n 240Am 50.8 h 3He,a fission Fission of minor actinides (transfer reaction on 241Am)

  12. Morning Programme • Exotic nuclei (B. Blank) • Nuclear excitations via lasers (F. Hannachi) • Neutrinos (F. Piquemal) • The AIFIRA platform (Ph. Moretto) • Coffee break 11h00-11h15 • NUPECC session • 13h00 Buffet

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