Elastic and Inelastic Scattering of $^8$He Using a Solid Hydrogen Target
ORAL
Abstract
The nucleus $^8$He is the most neutron-rich nucleus known. Its structure, consisting of a $^4$He core surrounded by four neutrons makes it an ideal case to study phenomena in highly neutron-proton asymmetric systems. An experiment studying elastic and inelastic scattering of $^8$He has been carried out at the IRIS setup at ISAC-II at TRIUMF. It utilized the novel IRIS solid H$_2$ target in combination with a low pressure ionization chamber for the identification of the incoming beam and two $\Delta E-E$ telescopes to measure the reaction products. The current status of the analysis will be shown, including the optical model analysis of the elastic scattering compared to global potentials and the analysis of excited states in $^8$He from inelastic scattering.
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Authors
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Matthias Holl
Saint Mary's University/TRIUMF
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Ritu Kanungo
Saint Mary's University
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Martin Alcorta
TRIUMF
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Devin Connolly
TRIUMF
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Barry Davids
TRIUMF
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Alejandra Diaz Varela
University of Guelph
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Greg Hackman
TRIUMF
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Jack Henderson
TRIUMF
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Shigeru Ishimoto
KEK
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Ali Ihsan Kilic
University of Guelph
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Reiner Krücken
TRIUMF
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Annika Lennarz
TRIUMF
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Johnson Liang
McMaster University
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James Measures
TRIUMF/University of Surrey
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Wolfgang Mittig
NSCL/Michigan State University
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Owen Paetkau
TRIUMF/Thompson Rivers University
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Athanasios Psaltus
McMaster University
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Jaspreet Singh Randhawa
Saint Mary's University
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James Smallcombe
TRIUMF
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Matt Williams
TRIUMF/University of York