Halo effects on fusion cross section in 4,6He+64Zn collision around and below the coulomb barrier

Fisichella, M and Scuderi, V and Pietro, A Di and Figuera, P and Lattuada, M and Marchetta, C and Milin, Matko and Musumarra, A and Pellegriti, M G and Skukan, N and Strano, E and Torresi, D and Zadro, Mile (2011) Halo effects on fusion cross section in 4,6He+64Zn collision around and below the coulomb barrier. Journal of Physics: Conference Series, 282 (1). pp. 12014-7. ISSN 1742-6588

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The structure of the halo nuclei is expected to influence the fusion mechanism at energies around and below the Coulomb barrier. Here new data of 4He+64Zn at sub-barrier energies are presented which cover the same energy region of previous measurements of 6He+64Zn. The fusion cross section was measured by using an activation technique where the radioactive evaporation residues produced in the reaction were identified by the X-ray emission which follows their electron capture decay. By comparing the two system, we observe an enhancement on the fusion cross section in the reaction induced by 6He, at energy below the Coulomb barrier. It is shown that this enhancement seems to be due to static properties of halo 2n 6He nucleus.

Item Type: Article
Keywords: fusion, Coulomb barrier, activation technique, halo effect
Date: 2011
Subjects: NATURAL SCIENCES > Physics > Nuclear Physics
Additional Information: © 2011 Institute of Physics. Published under licence by IOP Publishing Ltd.
Divisions: Faculty of Science > Department of Physics
Project code: 098-1191005-2890
Publisher: IOP Publishing
Depositing User: Matko Milin
Date Deposited: 29 Apr 2016 18:59
Last Modified: 30 Apr 2016 07:37
URI: http://digre.pmf.unizg.hr/id/eprint/4796

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