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

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

Jan 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994nupha.567..354k&link_type=abstract

Nuclear Physics A, Volume 567, Issue 2, p. 354-376.

Physics

Nuclear Physics

19

Nuclear Reactions

Scientific paper

We have studied the 13C(p, γ)14N reaction in the energy range Ep = 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 ER = 557.6 +/- 0.5 keV (Ex = 8068.1 +/- 0.5 keV) with width ΓR = 40 +/- 1 keV, and the 2-, T = 0 state at ER = 450.4 +/- 0.5 keV (Ex = 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.
Present address: Stanford Linear Accelerator Centre. P.O. Box 4349, Stanford, CA 94305, USA.

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