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Phys. Rev. C 82, 025802 (2010) [6 pages]

Photoexcitation of astrophysically important states in 26Mg. II. Ground-state-transition partial widths

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R. J. deBoer*, M. Wiescher, and J. Görres
Joint Institute for Nuclear Astrophysics, Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA

R. Longland and C. Iliadis
Department of Physics and Astronomy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA and Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA

G. Rusev and A. P. Tonchev
Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA and Department of Physics, Duke University, Durham, North Carolina 27708, USA

Received 28 June 2010; published 9 August 2010

The level structure of 26Mg near the neutron-separation energy, which is of interest for s-process nucleosynthesis, was studied at the High Intensity Gamma-Ray Source of the Triangle Universities Nuclear Laboratory using the method of nuclear resonance fluorescence. A nearly monoenergetic and linearly polarized γ-ray beam was used to scan the excitation energy range from 10.5 to 11.7 MeV. For the five states observed, the total widths and partial widths are determined. Precise measurement of these widths is necessary for the prediction of neutron production for the s-process.

© 2010 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.82.025802
DOI:
10.1103/PhysRevC.82.025802
PACS:
26.20.Kn, 23.20.En, 23.20.Js, 27.30.+t

*rdeboer1@nd.edu

See Also

See Also: R. Longland, C. Iliadis, G. Rusev, A. P. Tonchev, R. J. deBoer, J. Görres, and M. Wiescher, Photoexcitation of astrophysically important states in 26Mg, Phys. Rev. C 80, 055803 (2009).

 
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