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Beta-decay Studies of r-process Nuclei Using the Advanced Implantation Detector Array (AIDA)

Lead Research Organisation: University of Edinburgh
Department Name: Sch of Physics and Astronomy

Abstract

AIDA is one of the latest silicon implantation detector arrays and is used at fragmentation facilities to study decay processes of radioactive nuclei. The r-process is believed to be responsible in producing over half of the elements heavier than iron and as such is a key process in understanding the chemical evolution of the universe. To better understand the path that the r-process takes more experimental data is needed to be used in models. This experimental data includes beta-decay half-lives and beta-dilated neutron emission probabilities for nuclei far from stability. These are nuclei with short half-lives and as such requires the use of instrumentation with high precision and sensitivity such as AIDA.

People

ORCID iD
Oscar Hall (Student)

Publications

10 25 50
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Phong V (2019) Observation of a µ s isomer in In 85 49 134 : Proton-neutron coupling "southeast" of Sn 82 50 132 in Physical Review C

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Rasco B (2018) The ORNL analysis technique for extracting ß -delayed multi-neutron branching ratios with BRIKEN in Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

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Tain J (2018) The BRIKEN Project: Extensive Measurements of $\beta $-delayed Neutron Emitters for the Astrophysical r Process in Acta Physica Polonica B

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Tolosa-Delgado A (2019) Commissioning of the BRIKEN detector for the measurement of very exotic ß -delayed neutron emitters in Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

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Tolosa-Delgado A (2017) Commissioning of the BRIKEN beta-delayed neutron detector for the study of exotic neutron-rich nuclei in EPJ Web of Conferences

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Yokoyama R (2019) Strong one-neutron emission from two-neutron unbound states in ß decays of the r -process nuclei Ga 86 , 87 in Physical Review C

Studentship Projects

Project Reference Relationship Related To Start End Student Name
ST/N504051/1 30/09/2015 30/03/2021
1853133 Studentship ST/N504051/1 30/09/2016 30/03/2020 Oscar Hall
ST/R504737/1 30/09/2017 29/09/2021
1853133 Studentship ST/R504737/1 30/09/2016 30/03/2020 Oscar Hall