NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = J.W.Johnson Found 9 matches. 2022RA11 Phys.Rev. C 105, 064301 (2022) B.C.Rasco, K.P.Rykaczewski, A.Fijalkowska, M.Karny, M.Wolinska-Cichocka, R.K.Grzywacz, D.W.Stracener, E.F.Zganjar, J.C.Batchelder, J.C.Blackmon, N.T.Brewer, M.P.Cooper, K.C.Goetz, J.W.Johnson, T.King, A.Laminack, J.T.Matta, K.Miernik, M.Madurga, D.Miller, M.M.Rajabali, T.Ruland, P.Shuai, M.Stepaniuk, J.Winger Deciphering 98Nb β decay with the Modular Total Absorption Spectrometer at ORNL RADIOACTIVITY 98Nb(β-)[from decay chains of 98Rb and 98Sr produced in 238U(p, F) at HRIBF-ORNL facility]; measured Eγ, Iγ, total absorption γ-ray spectrum using NaI(Tl)-based Modular Total Absorption Spectrometer (MTAS); deduced average γ energy per β decay, and average ν-bar; discussed impact of measured β-feeding pattern on reactor decay heat calculations and predicted detection rates of reactor ν-bar. 98Zr; measured T1/2 with 98Zr and 98Nb in equilibrium, and compared with value in the ENSDF database. 98Mo; deduced levels, β feedings to the g.s. and excited states, logft, conversion electron per β decay from the E0 transition from the first excited 0+ state in 98Mo. Comparison with β feedings and average γ energy in the ENSDF and ENDF/B-VIII.0 databases, and with previous experimental results. Relevance to the study of β- decays of abundantly produced fission products in nuclear reactors.
doi: 10.1103/PhysRevC.105.064301
2022SH20 Phys.Rev. C 105, 054312 (2022) P.Shuai, B.C.Rasco, K.P.Rykaczewski, A.Fijalkowska, M.Karny, M.Wolinska-Cichocka, R.K.Grzywacz, C.J.Gross, D.W.Stracener, E.F.Zganjar, J.C.Batchelder, J.C.Blackmon, N.T.Brewer, S.Go, M.Cooper, K.C.Goetz, J.W.Johnson, C.U.Jost, T.T.King, J.T.Matta, J.H.Hamilton, A.Laminack, K.Miernik, M.Madurga, D.Miller, C.D.Nesaraja, S.Padgett, S.V.Paulauskas, M.M.Rajabali, T.Ruland, M.Stepaniuk, E.H.Wang, J.A.Winger Determination of β-decay feeding patterns of 88Rb and 88Kr using the Modular Total Absorption Spectrometer at ORNL HRIBF RADIOACTIVITY 88Rb(β-), 88Kr(β-)[from 238U(p, F), E=40 MeV]; measured Eγ, Iγ, Eβ, Iβ; deduced β-intensities, ground state feedings in β-decay. 88Rb; deduced T1/2. Pandemonium effect free measurements. Comparison to other experimental data. Modular Total Absorption Spectrometer (MTAS) NaI(Tl) detector array at Holifield Radioactive Ion Beam Facility (HRIBF) at the Oak Ridge National Laboratory.
doi: 10.1103/PhysRevC.105.054312
2017FI06 Phys.Rev.Lett. 119, 052503 (2017) A.Fijalkowska, M.Karny, K.P.Rykaczewski, B.C.Rasco, R.Grzywacz, C.J.Gross, M.Wolinska-Cichocka, K.C.Goetz, D.W.Stracener, W.Bielewski, R.Goans, J.H.Hamilton, J.W.Johnson, C.Jost, M.Madurga, K.Miernik, D.Miller, S.W.Padgett, S.V.Paulauskas, A.V.Ramayya, E.F.Zganjar Impact of Modular Total Absorption Spectrometer measurements of β decay of fission products on the decay heat and reactor ν(bar)e flux calculation RADIOACTIVITY 86Br, 89,90Kr, 89,90,92Rb, 139Xe, 142Cs(β-) [from 238U(p, X), E=40 MeV]; measured decay products, Eγ, Iγ, Eβ, Iβ; deduced a substantial increase in β feeding to high excited states in all daughter isotopes in comparison to earlier data, reduction of the reference reactor ν-bar flux.
doi: 10.1103/PhysRevLett.119.052503
2017RA10 Phys.Rev. C 95, 054328 (2017) B.C.Rasco, K.P.Rykaczewski, A.Fijalkowska, M.Karny, M.Wolinska-Cichocka, R.K.Grzywacz, C.J.Gross, D.W.Stracener, E.F.Zganjar, J.C.Blackmon, N.T.Brewer, K.C.Goetz, J.W.Johnson, C.U.Jost, J.H.Hamilton, K.Miernik, M.Madurga, D.Miller, S.Padgett, S.V.Paulauskas, A.V.Ramayya, E.H.Spejewski Complete β-decay pattern for the high-priority decay-heat isotopes 137I and 137Xe determined using total absorption spectroscopy RADIOACTIVITY 137I, 137Xe(β-)[from U(p, F), E=50 MeV]; 137I(β-n); measured Eγ, Iγ, total absorption gamma-ray spectra using Modular Total Absorption Spectrometer (MTAS) at ORNL; deduced beta-delayed neutron spectrum, beta-delayed neutron emission probability for 137I decay, Iβ feedings, ratio of MTAS measured γ decay heat to calculated γ decay heat for thermal neutrons+235U. Comparison with the evaluated data in the ENSDF database at NNDC.
doi: 10.1103/PhysRevC.95.054328
2014FI09 Acta Phys.Pol. B45, 545 (2014) A.Fijalkowska, M.Karny, K.P.Rykaczewski, M.Wolinska-Cichocka, R.Grzywacz, C.J.Gross, J.W.Johnson, B.C.Rasco, E.F.Zganjar, D.W.Stracener, L.Cartegni, K.C.Goetz, R.Goans, C.Jost, M.Madurga, K.Miernik, D.Miller, S.W.Padgett, S.V.Paulauskas, M.Al-Shudifat, E.Spejewski, J.H.Hamilton, A.V.Ramayya First Results from the Modular Total Absorption Spectrometer at the HRIBF RADIOACTIVITY 86Br(β-); measured decay products, Eγ, Iγ; deduced γ-ray energies. Comparison with ENSDF database.
doi: 10.5506/APhysPolB.45.545
2014FI11 Nucl.Data Sheets 120, 26 (2014) A.Fijalkowska, M.Karny, K.P.Rykaczewski, M.Wolinska-Cichocka, R.Grzywacz, C.J.Gross, J.W.Johnson, B.C.Rasco, E.F.Zganjar, D.W.Stracener, C.Jost, K.C.Goetz, R.Goans, E.Spejewski, L.Cartegni, M.Madurga, K.Miernik, D.Miller, S.W.Padgett, S.V.Paulauskas, M.Al-Shudifat, J.H.Hamilton, A.V.Ramayya First Results from the Modular Total Absorption Spectrometer at the HRIBF RADIOACTIVITY 139Xe, 89Kr(β-) [from 238U(p, X), E=40 MeV]; measured decay products, Eγ, Iγ, Eβ, Iβ, β-γ-coin.; deduced β-feeding intensity, level structure, average electromagnetic energy released per decay.
doi: 10.1016/j.nds.2014.06.132
2014WO01 Nucl.Data Sheets 120, 22 (2014) M.Wolinska-Cichocka, K.P.Rykaczewski, A.Fijalkowska, M.Karny, R.K.Grzywacz, C.J.Gross, J.W.Johnson, B.C.Rasco, E.F.Zganjar Modular Total Absorption Spectrometer at the HRIBF (ORNL, Oak Ridge) RADIOACTIVITY 142Ba, 142La(β-); measured decay products, Eγ, Iγ, Eβ, Iβ, β-γ-coin.; deduced discrepancy in the β feeding, level structure.
doi: 10.1016/j.nds.2014.06.131
2000GR21 Nucl.Instrum.Methods Phys.Res. A450, 12 (2000) C.J.Gross, T.N.Ginter, D.Shapira, W.T.Milner, J.W.McConnell, A.N.James, J.W.Johnson, J.Mas, P.F.Mantica, R.L.Auble, J.J.Das, J.L.Blankenship, J.H.Hamilton, R.L.Robinson, Y.A.Akovali, C.Baktash, J.C.Batchelder, C.R.Bingham, M.J.Brinkman, H.K.Carter, R.A.Cunningham, T.Davinson, J.D.Fox, A.Galindo-Uribarri, R.Grzywacz, J.F.Liang, B.D.MacDonald, J.MacKenzie, S.D.Paul, A.Piechaczek, D.C.Radford, A.V.Ramayya, W.Reviol, D.Rudolph, K.Rykaczewski, K.S.Toth, W.Weintraub, C.Williams, P.J.Woods, C.-H.Yu, E.F.Zganjar Performance of the Recoil Mass Spectrometer and Its Detector Systems at the Holifield Radioactive Ion Beam Facility
doi: 10.1016/S0168-9002(00)00159-5
1984WE17 Phys.Rev. C30, 1532 (1984) J.C.Wells, N.R.Johnson, J.Hattula, M.P.Fewell, D.R.Haenni, I.Y.Lee, F.K.McGowan, J.W.Johnson, L.L.Riedinger Evidence for Collective Behavior in 128Ce from Lifetime Measurements NUCLEAR REACTIONS 92Zr(40Ar, 4n), E=159 MeV; measured Eγ, Iγ, γ(t), Doppler shift, recoil. 128Ce deduced yrast level T1/2, J, π, band characteristics, B(E2). Cranked self-consistent theory.
doi: 10.1103/PhysRevC.30.1532
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