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dc.creatorSoukeras, V.es
dc.creatorSgouros, O.es
dc.creatorPakou, A.es
dc.creatorCappuzzello, F.es
dc.creatorCasal Berbel, Jesúses
dc.creatorAgodi, Clementinaes
dc.creatorRodríguez Gallardo, Manuelaes
dc.creatorTorresi, Domenicoes
dc.date.accessioned2022-02-11T11:32:09Z
dc.date.available2022-02-11T11:32:09Z
dc.date.issued2020
dc.identifier.citationSoukeras, V., Sgouros, O., Pakou, A., Cappuzzello, F., Casal Berbel, J., Agodi, C.,...,Torresi, D. (2020). Global study of 9 Be + p at 2.72 A MeV. Physical Review C, 102, 064622.
dc.identifier.issn2469-9985es
dc.identifier.issn2469-9993es
dc.identifier.urihttps://hdl.handle.net/11441/129888
dc.description.abstractBackground: In our recent experiment, 9 Be + p at 5.67 A MeV, the breakup decay rates to the three configurations, α + α + n , 8 Be ∗ + n and 5 He + 4 He of 9 Be , were observed and quantified in the proton recoil spectra, in a full kinematics approach. Unfolding step by step the accessibility to the above configurations, it will require similar experiments at lower or/and higher energies. It will also require the interpretation of the data in a theoretical framework. Three-body models for the structure of 9 Be have been developed and applied to reactions with heavy targets. Further research on lighter targets is required for the best establishment of the model. Such models are relevant for the calculation of the corresponding radiative capture reaction rate, α ( α , γ ) 9 Be followed by 9 Be ( α , n ) 12 C . The last is essential for the r -process abundance predictions. Purpose: Investigate the breakup decay rate of 9 Be + p at 2.72 A MeV, where the direct configuration α + α + n is mainly accessible. Compare and interpret data at this low energy and at the higher energy of 5.67 A MeV into a four-body continuum discretized coupled-channel formalism. Point out and discuss couplings to continuum. Methods: Our experimental method includes an exclusive breakup measurement in a full kinematic approach of 9 Be incident on a proton target at 24.5 MeV ( 2.72 A MeV). Complementary the elastic scattering is measured and other reaction channels are evaluated from previous measurements under the same experimental conditions. The interpretation of present data at 2.72 A MeV and previous data at 5.67 A MeV, are considered in a four-body continuum discretized coupled channel (CDCC) approach, using the transformed harmonic oscillator method for the three-body projectile. Results: An elastic scattering angular distribution at 2.72 A MeV is measured, which compares very well with CDCC calculations, indicating a strong coupling to continuum. At the same energy, the breakup and total reaction cross sections are measured as σ break = 2.5 ± 1 mb and σ tot = 510 ± L 90 mb , in good agreement with the calculated values of 3.7 and 433 mb, respectively. Further on, into the same theoretical framework, the elastic scattering and breakup cross section data at 5.67 A MeV are found in very good agreement with the CDCC calculations. Conclusions: It was confirmed in a global experimental framework that four-body CDCC calculations can describe very well the data even at low energies. Coupling to continuum is very strong despite the small measured breakup cross section. Moreover, the present results support further our three-body model for the structure of 9 Be , validating relevant radiative reaction rates obtained previously.es
dc.description.sponsorshipPrograma de investigación e innovación de la Unión Europea HORIZON2020 No. 654002-ENSAR2es
dc.description.sponsorshipEuropean Research Council (ERC) 714625es
dc.description.sponsorshipMinisterio de Ciencia, Innovación y Universidades de España. PGC2018-095640-B-I00es
dc.description.sponsorshipMinisterio de España de Economía y Competitividad y Fondo de Desarrollo de la Unión Europea (FEDER) FIS2017- 88410-Pes
dc.description.sponsorshipFondos SID 2019 (Università degli Studi di Padua, Italia) CASA_SID19_01es
dc.formatapplication/pdfes
dc.format.extent9 p.es
dc.language.isoenges
dc.publisherAmerican Physical Societyes
dc.relation.ispartofPhysical Review C, 102, 064622.
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.titleGlobal study of 9 Be + p at 2.72 A MeVes
dc.typeinfo:eu-repo/semantics/articlees
dcterms.identifierhttps://ror.org/03yxnpp24
dc.type.versioninfo:eu-repo/semantics/publishedVersiones
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Física Atómica, Molecular y Nucleares
dc.relation.projectIDH2020 654002-ENSAR2es
dc.relation.projectIDERC-714625es
dc.relation.projectIDPGC2018-095640-B-I00es
dc.relation.projectIDFIS2017- 88410-Pes
dc.relation.projectIDCASA_SID19_01es
dc.relation.publisherversionhttps://doi.org/10.1103/PhysRevC.102.064622es
dc.identifier.doi10.1103/PhysRevC.102.064622es
dc.journaltitlePhysical Review Ces
dc.publication.volumen102es
dc.publication.initialPage064622es
dc.contributor.funderEuropean Union (UE). H2020es
dc.contributor.funderEuropean Research Council (ERC)es
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (MICINN). Españaes
dc.contributor.funderMinisterio de Economía y Competitividad (MINECO). Españaes
dc.contributor.funderEuropean Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER)es
dc.contributor.funderUniversità degli Studi di Padua, Italiaes

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