Elsevier

Nuclear Physics A

Volume 373, Issue 2, 11 January 1982, Pages 326-340
Nuclear Physics A

Resonance strength measurements and thermonuclear reaction rates for 25Mg(p, γ)26Al (II)

https://doi.org/10.1016/0375-9474(82)90154-3Get rights and content

Abstract

The strengths of resonances in 25Mg(p, γ)26Al have been measured in the energy range Ep = 600–1730 keV. Several serious disagreements with previously published results are reported. Thermonuclear reaction rates are calculated for the temperature range (0.5–10) × 109 K for production of 26Al in its ground state and in its isomeric first excited state. Total thermonuclear reaction rates are compared with those calculated from statistical-model cross sections and, even in energy ranges where the experimental cross section derives from widely spaced resonances, the agreement is very good. The establishment of a thermal population of 26Al excited states in a stellar environment is discussed, with both electromagnetic transitions and proton inelastic and superelastic scattering as the thermalising processes.

References (19)

  • M.R. Anderson et al.

    Nucl. Phys.

    (1980)
  • E.O. de Neijs et al.

    Nucl. Phys.

    (1974)
  • J. Keinonen et al.

    Nucl. Phys.

    (1980)
  • P.B. Lyons et al.

    Nucl. Phys.

    (1969)
  • F. Ajzenberg-Selove

    Nucl. Phys.

    (1978)
  • G.A.P. Engelbertink et al.

    Nucl. Phys.

    (1966)
  • S.E. Woosley et al.

    Atomic Data and Nucl. Data Tables

    (1978)
  • J.W. Truran et al.

    Astrophys. J.

    (1978)
  • W.D. Arnett et al.

    Astrophys. J.

    (1978)
There are more references available in the full text version of this article.

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Supported in part by the Australian Research Grants Committee (B77/15413).

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