NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = L.E.Morgan Found 2 matches. 2023CA10 Geochim.Cosmochim.Act. 357, 26 (2023) J.N.Carter, P.R.Renne, L.E.Morgan Potassium-39-derived 36Ar production during fission-neutron irradiation and its effect on 40Ar/39Ar ages RADIOACTIVITY 36Cl, 39Ar(β-) [from 39K(n, α), (n, p), E thermal]; analyzed available data; deduced production ratio for 36Cl/39Ar reaction using a 235U fission spectrum modeled at Cadmium Lined In Core Irradiation Tube (CLICIT) irradiation facility, as used in the Oregon State TRIGA Reactor (OSTR) with GEANT4 code and ENDF/B-VIII.0 evaluated nuclear data library.
doi: 10.1016/j.gca.2023.07.017
2023HA25 Phys.Rev. C 108, 014327 (2023) L.Hariasz, M.Stukel, P.C.F.Di Stefano, B.C.Rasco, K.P.Rykaczewski, N.T.Brewer, D.W.Stracener, Y.Liu, Z.Gai, C.Rouleau, J.Carter, J.Kostensalo, J.Suhonen, H.Davis, E.D.Lukosi, K.C.Goetz, R.K.Grzywacz, M.Mancuso, F.Petricca, A.Fijalkowska, M.Wolinska-Cichocka, J.Ninkovic, P.Lechner, R.B.Ickert, L.E.Morgan, P.R.Renne, I.Yavin, for the KDK Collaboration Evidence for ground-state electron capture of 40K RADIOACTIVITY 40K(EC); measured decay products, X-rays, Eγ, Iγ; deduced EC0/EC* relative branching ratios to the ground state and excited state of 40Ar, T1/2, decay scheme. First experimental verification of a third-forbidden unique transition. Discussed the impact of found evidence of the 40K decay to the ground-sate on the geochronology and nuclear theory. Comparison to theoretical estimations. Sensitive x-ray silicon drift detector (SDD) and Modular Total Absorption Spectrometer (MTAS).
doi: 10.1103/PhysRevC.108.014327
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