alpha-Particle production in the reaction Li-6+Si-28 at near-barrier energies (Journal article)

Pakou, A./ Alamanos, N./ Gillibert, A./ Kokkoris, M./ Kossionides, S./ Lagoyannis, A./ Nicolis, N. G./ Papachristodoulou, C./ Patiris, D./ Pierroutsakou, D./ Pollacco, E. C./ Rusek, K.

The production of alpha particles in the Li-6+Si-28 reaction was studied at near-barrier energies. Angular distributions were performed at four bombarding energies, namely, 7.5, 9, 11, and 13 MeV. The distributions were characterized by a Gaussian shape, which was integrated in order to obtain alpha-particle cross sections. Our results were compared with previous data of Li-6 scattering on various heavier targets and found to exhibit a universal behavior. Present continuum-discretized-coupled-channel calculations support the obtained data. The consequences of the systematic behavior of the alpha-particle production on the unusual behavior of the imaginary potential observed previously in elastic scattering of weakly bound systems is discussed.
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών
Keywords: elastic-scattering,reaction channels,model potentials,coulomb barrier,threshold,li-6,li-7+pb-208,nuclei,li-7
ISSN: 0031-9007
Link: <Go to ISI>://000183115200014
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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