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Neutron spectroscopy of 26Mg states: constraining the stellar neutron source 22Ne(alpha, n) 25Mg

Autor
Massimi, C.; Altstadt , S.; Andrzejewski, J.; Calviño, F.; Cortes, G.
Tipus d'activitat
Article en revista
Revista
Physics letters B
Data de publicació
2017-02-16
Volum
768
Pàgina inicial
1
Pàgina final
6
DOI
https://doi.org/10.1016/j.physletb.2017.02.025 Obrir en finestra nova
Projecte finançador
FPA 2011-28770-C03-03 Datos nucleares para física nuclear e ingeniería nuclear
Repositori
http://hdl.handle.net/2117/101776 Obrir en finestra nova
https://arxiv.org/abs/1702.04520 Obrir en finestra nova
URL
http://www.sciencedirect.com/science/article/pii/S0370269317301260 Obrir en finestra nova
Resum
This work reports on accurate, high-resolution measurements of the 25Mg(n, gamma )26Mg and 25Mg(n, tot) cross sections in the neutron energy range from thermal to about 300 keV, leading to a significantly improved 25Mg(n, gamma )26Mg parametrization. The relevant resonances for n+25Mg were characterized from a combined R-matrix analysis of the experimental data. This resulted in an unambiguous spin/parity assignment of the corresponding excited states in 26Mg. With this information experimental ...
Citació
Massimi, C., Altstadt , S., Andrzejewski, J., Calviño, F., Cortes, G. Neutron spectroscopy of 26Mg states: constraining the stellar neutron source 22Ne(alpha, n) 25Mg. "Physics letters B", 16 Febrer 2017, vol. 768, p. 1-6.
Paraules clau
CERN, Capture, Cross section, Experimental, Neutron, Stellar nucleosynthesis, nTOF
Grup de recerca
ANT - Advanced Nuclear Technologies Research Group

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