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7 topics Exotic nuclei Neutrinos / low level radioactivities Astroparticles – GLASTPowerPoint Presentation

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

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- 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

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

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

- Neutron induced reaction induced reactions on highly radiotoxic targets

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)

b induced reactions on highly radiotoxic targets-

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

233 induced reactions on highly radiotoxic targetsPa + n 234Pa* fission

10 induced reactions on highly radiotoxic targets9 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

Fission cross sections for induced reactions on highly radiotoxic targets230Th+n and 231Pa+n

(n,f)

Our results

Our results

Neutron energy (MeV)

Neutron energy (MeV)

Transmutation of minor actinides induced reactions on highly radiotoxic targets

3 10 induced reactions on highly radiotoxic targets6 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 actinides10 induced reactions on highly radiotoxic targets8 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)

- Morning Programme induced reactions on highly radiotoxic targets
- 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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