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dc.contributor.authorMarquínez Durán, Gloria
dc.contributor.authorMartel Bravo, Ismael 
dc.contributor.authorSánchez Benítez, Ángel Miguel 
dc.contributor.authorAcosta Sánchez, Luis Armando 
dc.contributor.authorBerjillos Morente, Rafael 
dc.contributor.authorDueñas Díaz, José Antonio 
dc.contributor.authorFlores Garrido, Juan Luis 
dc.contributor.authorAbou-Haidar, Z.
dc.date.accessioned2017-05-23T10:00:09Z
dc.date.available2017-05-23T10:00:09Z
dc.date.issued2016
dc.identifier.citationMarquínez Durán, G., Martel Bravo, I., Sánchez Benítez, A.M., Acosta Sánchez, L.A., Berjillos Morente, R., Dueñas Díaz, J.A., Flores Garrido, J.L., Abou-Haidar, Z... [et. al] : "Precise measurement of near-barrier 8He+208Pb elastic scattering : comparison with 6He". Physical Review C. Vol. 94, n. 6, (2016). DOI: 10.1103/PhysRevC.94.064618en_US
dc.identifier.issn2469-9985
dc.identifier.issn2469-9993 (electrónico)
dc.identifier.urihttp://hdl.handle.net/10272/13700
dc.description.abstractDramatic differences in the elastic scattering of the neutron rich nuclei 6He and 8He are found when new high quality data for the 8He+208Pb system are compared with previously published 6He+208Pb data at the same laboratory frame incident energy. The new 8He data are of the same level of detail as for stable beams. When comparing them with those previously obtained for 6He+208Pb at the same energy, it is possible to determine from the data alone that 6He has a much longer range absorption than 8He. However, both nuclei show significant absorption beyond their strong absorption radii. While it has been known for a long time that elastic scattering at energies around the barrier only determines the optical potential over a small distance in radial space, typically ±0.5 fm or so, both the 6He and the 8He imaginary potentials obtained from various optical model fits to these data are the same over a much wider range of ±1.5 fm.en_US
dc.description.sponsorshipThe authors would like to thank the staff of the GANIL accelerator facility for providing the high quality 8He beam. This work was supported in part by Grant No. FPA2010-22131-C02-01 (FINURA) and Grant No. FPA2013-47327-C2-1-R from the Spanish Ministry of Economy and Competitiveness, UNAM-PAPIIT IA101616 (Mexico), Grant No. N202 033637 from the Ministry of Science and Higher Education of Poland, and Contract No. EUI2009-04163 (EUROGENESIS) from the European Science Foundation.
dc.language.isoengen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.titlePrecise measurement of near-barrier 8He+208Pb elastic scattering : comparison with 6Heen_US
dc.typeinfo:eu-repo/semantics/articleen_US
dc.relation.publisherversionhttps://doi.org/10.1103/PhysRevC.94.064618en_US
dc.identifier.doi10.1103/PhysRevC.94.064618
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessen_US
dc.relation.projectIDinfo:eu-repo/grantAgreement/Spanish Ministry of Economy and Competitiveness [FPA2010-22131-C02-01, FPA2013-47327-C2-1-R]en_US
dc.relation.projectIDinfo:eu-repo/grantAgreement/European Science Foundation [EUI2009-04163]


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