Direct measurement of the 21Na(p, γ)22Mg reaction: Resonance strengths and gamma-gamma analysis

M. Trinczek, C. C. Jewett, J. M. D'Auria, S. Bishop, L. Buchmann, A. A. Chen, S. Engel, D. Gigliotti, U. Greife, D. Hunter, A. Hussein, D. Hutcheon, J. José, A. M. Laird, M. Lamey, R. Lewis, A. Olin, D. Ottewel, P. Parker, M. M. PavanJ. E. Pearson, J. Rogers, C. Ruiz, C. Wrede

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A series of astrophysical measurements was recently completed at TRIUMF, related to the unknown total rate of the 21Na(p, γ) 22Mg reaction. With a high intensity 21Na beam from the ISAC facility, the DRAGON recoil mass spectrometer was used to directly measure seven resonances at center of mass energies from E c.m. = 200 to 1135 keV and determine their respective contributions to the 21Na(p, γ)22Mg reaction rate in novae and x-ray bursts, as well as their impact on 22Na production in novae. This study also allowed the investigation of different excited states in 22Mg; proposed decays and spin assignments are given for the 6246, 6329, and 6609 keV levels.

Original languageEnglish
Pages (from-to)729-732
Number of pages4
JournalNuclear Physics, Section A
Volume758
Issue number1-4 SPEC. ISS.
DOIs
StatePublished - 25 Jul 2005
Externally publishedYes

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