Total width of the 5.17 MeV 1- state in 14O and the hot-CNO cycle

Details Total width of the 5.17 MeV 1- state in 14O and the hot-CNO cycle Total width of the 5.17 MeV 1- state in 14O and the hot-CNO cycle

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985phrvc..31.1023c&link_type=abstract

Physical Review C (Nuclear Physics), Volume 31, Issue 3, March 1985, pp.1023-1025

Physics

Nuclear Physics

24

Binding Energies And Masses, 6<=A<=19, Radiative Capture, Elementary Particle Processes

Scientific paper

The reaction 13N(p,γ) 14O is important in the hot-CNO cycle. At the energies of astrophysical interest, the rate of this reaction is dominated by capture through an l=0 resonance corresponding to the 5.17 MeV Jπ=1- excited state in 14O. The contribution of this resonance to the total cross section can be determined from a measurement of the total width, Γ, and the γ-decay branching ratio, Γγ/Γ, for this state. This method does not require the use of radioactive 13N as either a beam or a target, neither of which is at present technically feasible. Using the 14N(3He,t)14O reaction, the total width of this state has been measured to be Γ=38.1+/-1.8 keV.

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