Test of GEANT 4 Simulation Efficiency Predictions for the Short-lived Isotope Counting System
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Date
2024-10-07
Authors
Bo, Andrew
Belanger, Avery
Fall, Owen
Yuly, Mark
Hertz, Shoshanna
Richardson, Silas
Wilson, Liam
Ramos, Delvin
Woods, Michelle
Padalino, Stephen J.
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Houghton University
Abstract
Ultrafast high power lasers may be used to generate short pulses of energetic ions that can be used for nuclear activation cross section measurements The Short Lived Isotope Counting System ( was developed to count the beta decays of radioactive product nuclei resulting from light ion reactions generated in this way One important SLICS parameter, which has been determined using a Geant 4 simulation, is the detection efficiency, the ratio of detected betas to number of product nuclei To test this prediction, an experiment was carried out using the SUNY Geneseo Pelletron A deuteron beam incident on a thin natural Li target created 840 ms half life 8 Li via the 7 Li( d,p 8 Li reaction The beta particles from the 8 Li decay were identified and counted by the SLICS detector, a dE E phoswich detector telescope Alpha particles from 8 Li(d,α) 4 He on the same natural lithium target were counted by a silicon surface barrier detector at various backward angles The efficiency of the SLICS detector was determined using the number of the α and β particles counted by the two detectors and the previously measured cross sections and Li isotopic abundances.
This material is based upon work supported by the Department of Energy [National Nuclear Security Administration] University of Rochester “National Inertial Confinement Fusion Program” under Award Number(s) DE NA 0004144 and by SUNY Geneseo and Houghton University
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66th Annual Meeting of the APS Division of Plasma Physics, Atlanta, GA, October 7-11, 2024
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