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IOP Publishing, Journal of Physics: Conference Series, (665), p. 012018, 2016

DOI: 10.1088/1742-6596/665/1/012018

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Study of the26Al(n,p)26Mg and26Al(n,α)23Na reactions using the27Al(p,p')27Al inelastic scattering reaction

Journal article published in 2016 by S. Benamara, N. de Séréville, P. Adsley, A. M. Laird, F. Hammache ORCID, I. Stefan, P. Roussel, S. Ancelin, M. Assié, C. Barton, A. Coc, C. Diget, I. Deloncle, S. Fox, J. Guillot and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

26Al was the first cosmic radioactivity ever detected in the galaxy as well as one of the first extinct radioactivity observed in refractory phases of meteorites. Its nucleosynthesis in massive stars is still uncertain mainly due to the lack of nuclear information concerning the 26Al(n,p)26Mg and 26Al(n,α)23Na reactions. We report on a single and coincidence measurement of the 27Al(p,p’)27Al(p)26Mg and 27Al(p,p’)27Al(α)23Na reactions performed at the Orsay TANDEM facility aiming at the spectroscopy study of 27Al above the neutron threshold. Fourteen states are observed for the first time within 350 keV above the 26Al+n threshold.