Cross section and astrophysical S-factor for the 13C(p, γ)14N reaction

doi:10.1016/0375-9474(94)90154-6

Nuclear Physics A

Volume 567, Issue 2, 17 January 1994, Pages 354-376

https://doi.org/10.1016/0375-9474(94)90154-6 Get rights and content

Abstract

We have studied the ¹³C(p, γ)¹⁴N reaction in the energy range E_p = 120–950 keV and obtained cross section curves for capture into the first six states of ¹⁴N. The 1⁻, T = 1 state in ¹⁴ N was observed at laboratory energy E_R = 557.6 ± 0.5 keV (E_x = 8068.1 ± 0.5 keV) with width Γ_R = 40 ± 1 keV, and the 2⁻, T = 0 state at E_R = 450.4 ± 0.5 keV (E_x = 7968.6 ± 0.5 keV). Spectroscopic factors have been obtained from observation of direct capture to all states; they are in fair agreement with results from stripping reaction studies. The S-factor curve for the transition to the ground state is in excellent agreement with previous results; S-factor curves for the other transitions are reported for the first time. The total S-factor extrapolated to 25 keV is 7.7 ± 1.0 keV·b, somewhat higher than previous values.

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^☆: Work supported in part by the Natural Sciences and Engineering Research Council of Canada and the Deutsche Forschungsgemeinschaft (R0429/13).

¹: Present address: Physics Department, University of Notre Dame, Notre Dame, IN 46556, USA.

²: Present address: Institut für Experimentalphysik III, Ruhr-Universität Bochum, Germany.

³: Present address: Stanford Linear Accelerator Centre. P.O. Box 4349, Stanford, CA 94305, USA.

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Nuclear Physics A

Abstract

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Energy deconvolution of cross-section measurements with an application to the <sup>12</sup>C (α, γ) <sup>16</sup>O reaction

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Cross section and astrophysical S-factor for the 13C(p, γ)14N reaction☆

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Cross section and astrophysical S-factor for the ¹³C(p, γ)¹⁴N reaction☆