J. W. Sweet

Resonances inC13(13C,α)22Ne

Complete angular distributions (theta/sub c.m./ = 9/sup 0/--90/sup 0/) for the reaction /sup 13/C( /sup 13/C,..cap alpha..) /sup 22/ Ne in the energy range E/sub c.m./ = 6.25--13.38 MeV have been measured. The data exhibit significant resonancelike behavior and a portion of it has been fitted to extract the amplitudes and phases of the relevant l values with two methods. The first uses a least-squares procedure to fit the angular distributions to a linear sum of Legendre polynomials while the second makes a grid search to find a best fit to an amplitude squared equation.

Resonances in /sup 13/C(/sup 13/C,. cap alpha. )/sup 22/Ne

Complete angular distributions (theta/sub c.m./ = 9/sup 0/--90/sup 0/) for the reaction /sup 13/C( /sup 13/C,..cap alpha..) /sup 22/ Ne in the energy range E/sub c.m./ = 6.25--13.38 MeV have been measured. The data exhibit significant resonancelike behavior and a portion of it has been fitted to extract the amplitudes and phases of the relevant l values with two methods. The first uses a least-squares procedure to fit the angular distributions to a linear sum of Legendre polynomials while the second makes a grid search to find a best fit to an amplitude squared equation.

Dominance of l = 10 in /sup 12/C(/sup 12/C,. cap alpha. ) /sup 20/Ne(g. s. ) at E/sub c. m. / = 13--15 MeV

In the c.m. energy region 13--15 MeV, the l = 10 partial wave dominates the cross section for /sup 12/C(/sup 12/C, ..cap alpha..) /sup 20/Ne(g.s.), frequently contributing more than 90% of the total cross section.