Comparative study of the effect of resonances of the weakly bound nuclei 6,7Li on total fusion with light to heavy mass targets

Gómez Camacho, A., Diaz Torres, A. and Zhang, H.Q. (2019) Comparative study of the effect of resonances of the weakly bound nuclei 6,7Li on total fusion with light to heavy mass targets Physical Review C.

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Abstract

A systematic study of total fusion involving the weakly bound nuclei 6,7Li with several light to heavy mass targets at Coulomb energies is presented. Emphasis is given to the role of resonance states (l=2,Jπ=3+,2+,1+ of 6Li and l=3,Jπ=7/2−,5/2− of 7Li) on the total fusion excitation function. A comparative analysis of the effects of resonant breakup on total fusion is performed for both projectiles, using the Continuum-Discretized Coupled-Channel (CDCC) framework. The calculations demonstrate that (i) resonant breakup couplings play a more important role in total fusion than non-resonant couplings, (ii) resonance states with short half-lives are very important for total fusion, as incident energies decreases towards the Coulomb barrier energy where incomplete fusion dominates, and (iii) resonance states with long half-life act as quasi-bound inelastic states, playing a crucial role in complete fusion.

Item Type:	Article
Divisions :	Faculty of Engineering and Physical Sciences > Physics
Authors :	Name Email ORCID Gómez Camacho, A. Diaz Torres, A. a.diaztorres@surrey.ac.uk Zhang, H.Q.
Date :	2019
Funders :	Science and Technology Facilities Council (STFC)
Copyright Disclaimer :	© 2019 American Physical Society
Related URLs :	Publisher
Depositing User :	Clive Harris
Date Deposited :	13 May 2019 12:33
Last Modified :	13 May 2019 12:33
URI:	http://epubs.surrey.ac.uk/id/eprint/851798

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