8Be cluster emission versus alpha evaporation in 28Si + 12C

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dc.creatorRousseau, M.
dc.creatorBeck, C.
dc.creatorBhattacharya, C.
dc.creatorRauch, V.
dc.creatorDorvaux, O.
dc.creatorEddahbi, K.
dc.creatorEnaux, C.
dc.creatorFreeman, R. M.
dc.creatorHaas, F.
dc.creatorMahboub, D.
dc.creatorNouicer, R.
dc.creatorPapka, P.
dc.creatorStezowski, O.
dc.creatorSzilner, S.
dc.date2002-01-31
dc.date.accessioned2026-07-07T05:36:52Z
dc.date.available2026-07-07T05:36:52Z
dc.descriptionThe possible occurence of highly deformed configurations in the $^{40}$Ca di-nuclear system formed in the $^{28}$Si + $^{12}$C reaction is investigated by analyzing the spectra of emitted light charged particles. Both inclusive and exclusive measurements of the heavy fragments (A $\geq$ 10) and their associated light charged particles (protons and $α$ particles) have been made at the IReS Strasbourg {\sc VIVITRON} Tandem facility at bombarding energies of $E_{lab}$ ($^{28}$Si) = 112 MeV and 180 MeV by using the {\sc ICARE} charged particle multidetector array. The energy spectra, velocity distributions, in-plane and out-of-plane angular correlations of light charged particles are compared to statistical-model calculations using a consistent set of parameters with spin-dependent level densities. This spin dependence approach suggests the onset of large nuclear deformation in $^{40}$Ca at high spin. This conclusion might be connected with the recent observation of superdeformed bands in the $^{40}$Ca nucleus. The analysis of $α$ particles in coincidence with $^{32}$S fragments suggests a surprisingly strong $^{8}$Be cluster emission of a binary nature.
dc.description39 pages 15 figures
dc.identifierhttps://arxiv.org/abs/nucl-ex/0201021
dc.identifierhttp://arxiv.org/abs/nucl-ex/0201021
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/81138
dc.subjectNuclear Experiment
dc.title8Be cluster emission versus alpha evaporation in 28Si + 12C
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