Optical model potential of A=3 projectiles for 1p -shell nuclei

A set of global optical potential parameters describing the A=3 particles (He3 and 3H) elastic scattering from 1p-shell nuclei, HT1p, is obtained by simultaneously fitting 118 sets of experimental data of He3 and 3H elastic scattering from Be9,10B,11B,12C,13C,14C,14N,15N,16O,17O, and 18O with incident energies from 4≤E≤118.5 MeV and 24 sets of elastic scattering data with the Li6 and Li7 targets from 3≤E≤44 MeV. HT1p is found to be superior to GDP08 [D. Y. Pang, P. Roussel-Chomaz, H. Savajols, R. L. Varner, and R. Wolski, Phys. Rev. C 79, 024615 (2009)PRVCAN0556-281310.1103/PhysRevC.79.024615], which is a systematic potential designed for the heavy-target region, in the reproduction of the angular distributions of elastic scattering cross sections of He3 and 3H from 1p-shell nuclei at energies below 100 MeV. At energies above 100 MeV, GDP08 is found to be better than HT1p.