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Elastic scattering and total reaction cross section for the 6He + 27Al system

التشتت المرن والمقطع العرضي للتفاعل الكلي لنظام 6He + 27Al
Authors: E. A. Benjamim; A. Lépine-Szily; D. R. Mendes; R. Lichtenthäler; V. Guimarães; P. R. S. Gomes; L. C. Chamon; +11 Authors

Elastic scattering and total reaction cross section for the 6He + 27Al system

Abstract

La diffusion élastique du noyau halo radioactif 6He sur cible 27Al a été mesurée à quatre énergies proches de la barrière de Coulomb à l'aide de l'installation RIBRAS (Radioactive Ion Beams in Brazil). Le potentiel de São Paulo (SPP) a été utilisé et sa diffusibilité et sa force imaginaire ont été ajustées pour s'adapter aux distributions angulaires de diffusion élastique. Les sections efficaces de réaction ont été extraites des ajustements du modèle optique. Les sections transversales de réaction réduites de 6He sur 27Al sont similaires à celles des projectiles stables faiblement liés comme 6,7Li, 9Be et plus grandes que celles des projectiles stables étroitement liés comme 16O sur 27Al.

La dispersión elástica del núcleo del halo radiactivo 6He en el objetivo 27Al se midió a cuatro energías cerca de la barrera de Coulomb utilizando la instalación RIBRAS (haces de iones radiactivos en Brasil). Se utilizó el Potencial de São Paulo (SPP) y se ajustó su difusividad y resistencia imaginaria para ajustarse a las distribuciones angulares de dispersión elástica. Las secciones transversales de reacción se extrajeron de los ajustes del modelo óptico. Las secciones transversales de reacción reducidas de 6He en 27Al son similares a las de los proyectiles estables y débilmente unidos como 6,7Li, 9Be y proyectiles más grandes que los estables y fuertemente unidos como 16o en 27Al.

The elastic scattering of the radioactive halo nucleus 6He on 27Al target was measured at four energies close to the Coulomb barrier using the RIBRAS (Radioactive Ion Beams in Brazil) facility. The São Paulo Potential (SPP) was used and its diffuseness and imaginary strength were adjusted to fit the elastic scattering angular distributions. Reaction cross-sections were extracted from the optical model fits. The reduced reaction cross-sections of 6He on 27Al are similar to those for stable, weakly bound projectiles as 6,7Li, 9Be and larger than stable, tightly bound projectile as 16O on 27Al.

تم قياس التشتت المرن لنواة الهالة المشعة 6He على هدف 27Al عند أربع طاقات قريبة من حاجز كولوم باستخدام منشأة RIBRAS (الحزم الأيونية المشعة في البرازيل). تم استخدام إمكانات ساو باولو (SPP) وتم ضبط انتشارها وقوتها التخيلية لتناسب التوزيعات الزاوية المرنة. تم استخراج المقاطع العرضية للتفاعل من النموذج البصري المناسب. تتشابه المقاطع العرضية منخفضة التفاعل لـ 6He على 27Al مع تلك الخاصة بالمقذوفات المستقرة ذات الارتباط الضعيف مثل 6,7 Li و 9Be وأكبر من القذيفة المستقرة ذات الارتباط المحكم مثل 16O على 27Al.

Country
Spain
Keywords

Nuclear and High Energy Physics, Nuclear Theory, Nuclear physics, FOS: Physical sciences, Resonant Inelastic Scattering, Electron, Quantum mechanics, Nucleus, Small-Angle Scattering, Atomic physics, Nuclear Theory (nucl-th), Scattering, Theoretical and Experimental Nuclear Structure, Halo, Nuclear Experiment (nucl-ex), Neutron Imaging and Analysis Techniques, Elastic scattering, Ion, Nuclear Experiment, Psychiatry, Radiation, Nuclear cross section, Cross section (physics), Physics, Coulomb barrier, Optics, Nuclear reaction, X-ray Absorption Spectroscopy, Projectile, Galaxy, Physics and Astronomy, Physical Sciences, Medicine, Coulomb

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
106
Top 10%
Top 10%
Top 10%
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