Sub-Coulomb He3 transfer and its use to extract three-particle asymptotic normalization coefficients
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© 2018 American Physical Society. Data for the C13(Li6,t)O16 reaction, obtained in inverse kinematics at a C13 incident energy of 7.72 MeV, are presented. A distorted wave Born approximation (DWBA) analysis was used to extract spectroscopic factors and asymptotic normalization coefficients (ANCs) for the O16 C13+He3 overlaps, subject to the assumption of a fixed Li6 He3+H3 overlap. The variation of the extracted spectroscopic factors and ANCs as a function of various inputs to the DWBA calculations was explored. The extracted ANCs were found to vary as a cubic function of the radius of the potential well binding the transferred He3 to the C13 core while the spectroscopic factors varied as a quartic function of the radius. The ANC values could be determined to within a factor of two for this system.
author list (cited authors)
Avila, M. L., Baby, L. T., Belarge, J., Keeley, N., Kemper, K. W., Koshchiy, E., ... Santiago-Gonzalez, D.