Breakup mechanisms in the $^{6}\mathrm{He}+^{64}\mathrm{Zn}$ reaction at near-barrier energies

Breakup mechanisms in the ${}^{6}{He} + {}^{64}{Zn}$ reaction at near-barrier energies

J. P. Fernández-García, A. Di Pietro, P. Figuera, J. Gómez-Camacho, M. Lattuada, J. Lei, A. M. Moro, M. Rodríguez-Gallardo, and V. Scuderi

Phys. Rev. C 99, 054605 – Published 3 May 2019

Abstract

New experimental results for the elastic scattering of ${}^{6}{He}$ on ${}^{64}{Zn}$ at incident energies of 15.0 and 18.0 MeV and ${}^{4}{He}$ at 17.5 MeV along with results already published at 10.0 and 13.6 MeV, are presented. Elastic and $α$ experimental cross sections are compared with coupled-reaction-channel, continuum-discretized coupled-channel, and DWBA inclusive-breakup models. The large yield of $α$ particles observed at all measured energies can be explained by considering a nonelastic breakup mechanism.

Received 1 February 2019

DOI:https://doi.org/10.1103/PhysRevC.99.054605

Physics Subject Headings (PhySH)

Breakup reactions Direct reactions H & He induced nuclear reactions Low & intermediate energy heavy-ion reactions Unstable nuclei induced nuclear reactions

Optical, coupled-channel & distorted wave models

Nuclear Physics

Authors & Affiliations

J. P. Fernández-García^1,2,*, A. Di Pietro³, P. Figuera³, J. Gómez-Camacho^1,2, M. Lattuada^3,4, J. Lei⁵, A. M. Moro¹, M. Rodríguez-Gallardo¹, and V. Scuderi³

¹Departamento de FAMN, Universidad de Sevilla, Apartado 1065, E-41080 Seville, Spain
²Centro Nacional de Aceleradores, Universidad de Sevilla, Junta de Andalucía-CSIC, 41092 Sevilla, Spain
³INFN, Laboratori Nazionali del Sud, via S. Sofia 62, 1-95123 Catania, Italy
⁴Dipartamento di Fisica e Astronomia, via S. Sofia 64, I-95123 Catania, Italy
⁵Institute of Nuclear and Particle Physics and Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA

^*jpfernandez@us.es

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Vol. 99, Iss. 5 — May 2019

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Physical Review C

covering nuclear physics

Breakup mechanisms in the ${}^{6}{He} + {}^{64}{Zn}$ reaction at near-barrier energies

J. P. Fernández-García, A. Di Pietro, P. Figuera, J. Gómez-Camacho, M. Lattuada, J. Lei, A. M. Moro, M. Rodríguez-Gallardo, and V. Scuderi

Phys. Rev. C 99, 054605 – Published 3 May 2019

Abstract

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Authors & Affiliations

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Physical Review C

covering nuclear physics

Breakup mechanisms in the He6+Zn64 reaction at near-barrier energies

J. P. Fernández-García, A. Di Pietro, P. Figuera, J. Gómez-Camacho, M. Lattuada, J. Lei, A. M. Moro, M. Rodríguez-Gallardo, and V. Scuderi

Phys. Rev. C 99, 054605 – Published 3 May 2019

Abstract

Physics Subject Headings (PhySH)

Authors & Affiliations

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Breakup mechanisms in the ${}^{6}{He} + {}^{64}{Zn}$ reaction at near-barrier energies