1. AGB news
November 2016:140Ce only playing card….

2. AGB news
February 2017….

3. 140Ce
145Nd
146Nd
59Ni
60Fe
41Ca
Faite vos jeux rien ne va plus….!!!

4. Proposed measurements
140Ce (n,γ)141Ce
s-process distributions in s-rich Globular Clusters
50%
Straniero et al. 2014

5. 140Ce(n,γ)141Ce
140Ce (abundance 88.5%) --> despite the large abundance, its cross section is by far the lowest. Enriched isotope is needed.

6. KADONIS v1.0
KTS96 = F. Käppeler, K. Toukan, M. Schumann, and A. Mengoni, Phys. Rev. C 53, 1397 (1996).

7. COST: 10000 euros / 5 gr AGB MODELS +50% in cross section
+50% surface [Ce/Fe]
2 gr
5 gr

8. 140Ce
145Nd
146Nd
59Ni
60Fe
41Ca
Faite vos jeux rien ne va plus….!!!

9. Ireland, T.R. et al., Ge.Co. Acta, submitted
Neodimium isotopes in pre-solar SiC grains
Yin, lee & Ott 2006, ApJ
Ireland, T.R. et al., Ge.Co. Acta, submitted

10. 145Nd(n,γ)146Nd(n,γ)147Nd

11. 145Nd(n,γ)146Nd
WVK98a = K. Wisshak et al., Phys. Rev. C 57, 391 (1998).

12. 146Nd(n,γ)147Nd
WVK98a = K. Wisshak et al., Phys. Rev. C 57, 391 (1998).

13. 140Ce
145Nd
146Nd
60Fe
59Ni
41Ca
Faite vos jeux rien ne va plus….!!!

14. Radioactive isotopes and dust formation
Uttenthaler, S. 2013, A&A
Uttenthaler, S. in preparation
Stars with Tc show milder dust mass-loss
From FUNS stellar models
41Ca and 60Fe also interesting for
Early Solar System radioactives

15. 60Fe(n,γ)61Fe Check at PSI: induced γ in URS09 7e15 atoms?
URS09 = E. Uberseder, R. Reifarth, D. Schumann, I. Dillmann, C. Domingo-Pardo, J. Goerres, M. Heil, F. Käppeler, J. Marganiec, J. Neuhausen, M. Pignatari, F. Voss, S. Walter, and M. Wiescher, Phys. Rev. Lett. 102, (2009)
Check at PSI: induced γ in URS09
7e15 atoms?

16. Already available a sample @ CERN
59Ni(n,γ)60Ni
59Ni(n,p)59Co about 10 times smaller
Already available a CERN
(84 μg , 8.56e17 atoms?...EAR2?)

17. 41Ca(n,α)38Ar 41Ca(n,p)41K about 10 times smaller
41Ca(n,γ)41K about 20 times smaller
De Smet, L. et al. 2006

18. 41Ca(n,γ)41K
1e17 atoms?

19. GINEVRA…NEXT APRIL…