Near- and subbarrier elastic and quasielastic scattering of the weakly bound 6Li projectile on 144Sm

D.S. MONTEIRO; O.A. CAPURRO; A. ARAZI; J.O. FERNÁNDEZ NIELLO; J.M. FIGUEIRA; G.V. MARTÍ; D. MARTÍNEZ HEIMANN; A. NEGRI; A.J. PACHECO; V. GUIMARÃES; D. R. OTOMAR; J. LUBIAN; P.R.S. GOMES

Physical review C

American Physics Society

Año: 2009 vol. 79 p. 146011 - 146015

0556-2813

High-precision data of backward-angle elastic and quasielastic scattering for the weakly bound 6Li projectile on 144Sm target at deep–sub-barrier, near-, and above-barrier energies were measured. From the deep–sub-barrier data, the surface diffuseness of the nuclear interacting potential was studied. Barrier distributions were extracted from the first derivatives of the elastic and quasielastic excitation functions. It is shown that sequential breakup through the first resonant state of the 6Li is an important channel to be included in coupled-channels calculations, even at deep–sub-barrier energies.