  All the 16F levels are unbound by proton emission. To date the four low-lying
16F levels below 1 MeV have been experimentally identified with well
established spin-parity values and excitation energies with an accuracy of 4 -
6 keV. However, there are still considerable discrepancies for their level
widths. The present work aims to explore these level widths through an
independent method. The angular distributions of the 15N(7Li, 6Li)16N reaction
leading to the first four states in 16N were measured using a high-precision
Q3D magnetic spectrograph. The neutron spectroscopic factors and the asymptotic
normalization coefficients for these states in 16N were then derived based on
distorted wave Born approximation analysis. The proton widths of the four
low-lying resonant states in 16F were obtained according to charge symmetry of
strong interaction.
