Experimental evidence for a natural parity state in Mg26 and its impact on the production of neutrons for the s process

C. Ugalde, A. E. Champagne, S. Daigle, C. Iliadis, R. Longland, J. R. Newton, E. Osenbaugh-Stewart, J. A. Clark, C. Deibel, A. Parikh, P. D. Parker, C. Wrede

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Abstract

We have studied natural parity states in Mg26 via the Ne22(Li6, d)Mg26 reaction. Our method significantly improves the energy resolution of previous experiments and, as a result, we report the observation of a natural parity state in Mg26. Possible spin-parity assignments are suggested on the basis of published γ-ray decay experiments. The stellar rate of the Ne22(α,γ)Mg26 reaction is reduced and may give rise to an increase in the production of s-process neutrons via the Ne22(α,n)Mg25 reaction.

Original languageEnglish (US)
Article number025802
JournalPhysical Review C - Nuclear Physics
Volume76
Issue number2
DOIs
Publication statusPublished - Aug 9 2007
Externally publishedYes

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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