Separation Between d${}_{5/2}$ and s${}_{1/2}$ Neutron Single Particle Strength in ${}^{15}$N

Abstract

The separation between single particle levels in nuclei plays the dominant role in determining the location of the neutron drip line. The separation also provides a test of current crossed shell model interactions if the experimental data is such that multiple shells are involved. The present work uses the ${}^{14}$N(d, p)${}^{15}$N reaction to extract the 2s${}_{1/2}$, and 1d${}_{5/2}$ total neutron single particle strengths and then compares these results with a shell model calculation using a p-sd crossed shell interaction to identify the J${}^{\pi }$ of all levels in ${}^{15}$N up to 12.8 MeV in excitation.

Comments: 9 Pages, 4 Figures, 2 Tables, Presented at the XXXIII Mazurian Lakes Conference on Physics, Piaski, Poland, September 1-7, 2013