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Alpha capture on ^(14)C and its astrophysical implications

Görres, J. and Graff, S. and Wiescher, M. and Azuma, R. E. and Barnes, C. A. and Wang, T. R. (1992) Alpha capture on ^(14)C and its astrophysical implications. Nuclear Physics A, 548 (3). pp. 414-426. ISSN 0375-9474. doi:10.1016/0375-9474(92)90692-D.

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The reaction ^(14)C(α, γ)^(18)O has been measured in the alpha energy range of E_α = 1.14−2.33 MeV. The resonance strengths of the 4^+ resonance at E_α = 1.14 MeV and of the 1^− resonance at E_α = 1.79 MeV have been measured relative to the ^(14)C(p, γ)^(15)N resonance at E_p=0.528 MeV. Additionally, two nonresonant γ-transitions to the ground state and to the first excited state of ^(18)O were found. The energy dependence of their cross sections can be described by the direct capture process and its interference with the two 1^− resonances at E_α = 1.79 and 2.33 MeV.

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Additional Information:© 1992 Elsevier. Received 4 March 1992, Revised 7 May 1992. This work was supported by the National Science Foundation Grants PHY88-03035 (Notre Dame) and PHY 88-17296 (Caltech) and by the National Science and Engineering Research Council of Canada. The authors wish to express their gratitude to the technical staff of the Pelletron laboratory at Caltech. One of the authors (REA) wishes to express his sincere gratitude to Caltech for the hospitality shown during his leave from the University of Toronto.
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Subject Keywords:Nuclear reactions
Issue or Number:3
Record Number:CaltechAUTHORS:20150911-122143847
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Official Citation:J. Görres, S. Graff, M. Wiescher, R.E. Azuma, C.A. Barnes, T.R. Wang, Alpha capture on 14C and its astrophysical implications, Nuclear Physics A, Volume 548, Issue 3, 19 October 1992, Pages 414-426, ISSN 0375-9474, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:60196
Deposited By: Ruth Sustaita
Deposited On:14 Sep 2015 18:33
Last Modified:10 Nov 2021 22:30

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