Breakup and fusion of Li-6 and He-6 with Pb-208 (Journal article)

Rusek, K./ Alamanos, N./ Keeley, N./ Lapoux, V./ Pakou, A.

The effect of Li-6 and He-6 breakup on the fusion cross section of these nuclei with Pb-208 is investigated by means of continuum-discretized coupled-channels (CDCC) calculations. For Li-6 the calculations describe reasonably well the experimental data for elastic scattering, Li-6-->alpha+d breakup and the absorption cross section given by the sum of the Li-6 fusion and the alpha production cross section not attributed to breakup. The effect of Li-6 breakup on the calculated absorption cross section is found to depend strongly on the imaginary part of the diagonal bare potential. A combination of the CDCC technique and the barrier penetration model generates results close to the measured fusion cross section. For He-6 the calculated absorption cross section is much larger than the measured He-6+Bi-209 complete fusion cross section values. However, it is found to be relatively independent of the form of the imaginary part of the bare potential. The complete fusion cross section is again found to be reasonably well described by the CDCC/BPM combination.
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών
Keywords: coulomb barrier,channels calculations,elastic-scattering,subbarrier fusion,alpha-particle,model,nucleus,li-6,li-7+pb-208,li-6+pb-208,enhancement
URI: https://olympias.lib.uoi.gr/jspui/handle/123456789/16575
ISSN: 0556-2813
Link: <Go to ISI>://000223590600039
http://prc.aps.org/abstract/PRC/v70/i1/e014603
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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