Cross-section measurements and thermonuclear reaction rates for 49Ti(p, γ)50V and 49Ti(p, n)49V

Details Cross-section measurements and thermonuclear reaction rates for 49Ti(p, γ)50V and 49Ti(p, n)49V Cross-section measurements and thermonuclear reaction rates for 49Ti(p, γ)50V and 49Ti(p, n)49V

Aug 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980nupha.344..351k&link_type=abstract

Nuclear Physics A, Volume 344, Issue 2, p. 351-360.

Physics

Nuclear Physics

4

Nuclear Reactions

Scientific paper

The yield of γ-rays from the reaction 49Ti(p, γ)50V has been measured as a function of bombarding energy over the range 0.74-2.27 MeV and the yield of neutrons from the reaction 49Ti(p, n)49V has been measured from threshold to a bombarding energy of 3.25 MeV. Strong competition effects were observed in the γ-ray yield at the opening of the neutron channel. The energy dependence of these cross sections is compared with statistical-model calculations, and good agreement is achieved. Thermonuclear reaction rates are calculated for the temperature range 5 × 108-5 × 109 K which includes the range of temperatures of interest in nucleosysnthesis calculations. The effect of a strong isobaric analogue resonance on the (p, γ) thermonuclear reaction rate is identified and its importance is discussed.

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