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Neutron capture cross section of unstable 63-Ni: implications for stellar nucleosynthesis

Autor
Lederer, C.; Massimi, C.; Calviño, F.; Cortes, G.; Gómez, M.; [et. al.]
Tipus d'activitat
Article en revista
Revista
Physical review letters
Data de publicació
2013-01-09
Volum
110
Pàgina inicial
22501-1
Pàgina final
22501-5
DOI
https://doi.org/10.1103/PhysRevLett.110.022501 Obrir en finestra nova
Projecte finançador
FPA2008-04972-C03-03 Datos Nucleares Para Física Nuclear e Ingeniería Nuclear
Repositori
http://hdl.handle.net/2117/17466 Obrir en finestra nova
URL
http://adsabs.harvard.edu/abs/2013PhRvL.110b2501L Obrir en finestra nova
Resum
The 63Ni(n,γ) cross section has been measured for the first time at the neutron time-of-flight facility n_TOF at CERN from thermal neutron energies up to 200 keV. In total, capture kernels of 12 (new) resonances were determined. Maxwellian averaged cross sections were calculated for thermal energies from   kT=5–100  keV with uncertainties around 20%. Stellar model calculations for a 25M⊙ star show that the new data have a significant effect on the s-process production of 63Cu, 64Ni,...
Citació
Lederer, C. [et al.]. Neutron capture cross section of unstable 63-Ni: implications for stellar nucleosynthesis. "Physical review letters", 09 Gener 2013, vol. 110, p. 22501-1-22501-5.
Grup de recerca
ANT - Advanced Nuclear Technologies Research Group
GREENER - Grup de recerca d´estudis energètics i de les radiacions

Participants