NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = R.Henderson Found 141 matches. Showing 1 to 100. [Next]2024TA05 Nucl.Data Sheets 193, 153 (2024) A.S.Tamashiro, J.T.Harke, J.G.Duarte, Y.Mishnayot, S.W.Padgett, G.Slavik, S.Burcher, N.Harward, N.Gharibyan, R.A.Henderson, L.R.Greenwood, B.D.Pierson, J.M.Goda, J.A.Bounds, D.K.Hayes, C.J.Palmer 239Pu Fission Spectrum Cumulative Fission Product Yield Measurement Using Godiva IV Critical Assembly NUCLEAR REACTIONS 239Pu(n, F)85mKr/87Kr/88Kr/89Rb/91Sr/92Sr/93Y/95Zr/97Zr/99Mo/103Ru/105Ru/105Rh/127Sn/128Sn/127Sb/129Sb/130Sb/131Sb/131mTe/132Te/133mTe/134Te/131I/133I/135I/138Cs/139Ba/140Ba/141Ba/141La/142La/143Ce/146Pr/149Nd/151Pm, E<10 MeV; measured reaction products, Eγ, Iγ; deduced precise integral measurement of fast neutron-induced fission product yields, cumulative fission product yield . Comparison with England and Rider's evaluation. Godiva IV is a critical assembly composed of unreflected highly enriched uranium (HEU) metal fuel.
doi: 10.1016/j.nds.2024.01.007
2023KE09 Phys.Rev. C 108, 024603 (2023) K.J.Kelly, M.Devlin, J.M.O'Donnell, D.Neudecker, A.E.Lovell, R.C.Haight, C.Y.Wu, R.Henderson, E.A.Bennett, T.Kawano, J.L.Ullmann, N.Fotiades, J.Henderson, S.M.Mosby, T.N.Taddeucci, P.Talou, M.C.White, J.A.Gomez, H.Y.Lee Measurement of the 238U(n, f) prompt fission neutron spectrum from 10 keV to 10 MeV induced by neutrons with 1.5-20 MeV energy NUCLEAR REACTIONS 238U(n, F), E=1.5-20 MeV; measured fission fragments, En, In, neutron time-of-flight, (fragment)n-coin; deduced prompt fission neutron spectrum (PFNS). Systematic trends in PFNS and PFNS ratios for 239Pu, 235U, and 238U obtained in series of Chi-Nu experiments. Comparison to other experimental results, CGMF calculations and data from JEFF-3.3, JENDL-5.0. ENDF/B-VIII libraries. Pulsed white neutron source at Weapons Neutron Research (WNR) facility of the Los Alamos Neutron Science Center (LANSCE). Li-glass array consisting of 22 detectors and liquid scintillator array consisting of 54 detector used for neutron detection, while PPAC used for detecting fission fragments in the frame of Chi-Nu experiment.
doi: 10.1103/PhysRevC.108.024603
2022KE01 Phys.Rev. C 105, 044615 (2022) K.J.Kelly, J.A.Gomez, M.Devlin, J.M.O'Donnell, D.Neudecker, A.E.Lovell, R.C.Haight, C.Y.Wu, R.Henderson, T.Kawano, E.A.Bennett, S.M.Mosby, J.L.Ullmann, N.Fotiades, J.Henderson, T.N.Taddeucci, H.Y.Lee, P.Talou, M.C.White Measurement of the 235U(n, f) prompt fission neutron spectrum from 10 keV to 10 MeV induced by neutrons of energy from 1 MeV to 20 MeV NUCLEAR REACTIONS 235U(n, F), E=0.01-10 MeV; measured In, En, neutron time-of-flight, fission fragments, neutrons angular distributions, (fragment)n-coin; deduced prompt fission neutron spectrum (PFNS), components corresponding to first-, second-, and third-chance fission as well as pre-equilibrium neutron emission preceding fission, mean PFNS energy, ratio to PFNMS obtained in 239Pu(n, F) reaction. Experiment performed as a part of Chi-Nu project aimed to measure the PFNS of major actinides with the Weapons Neutron Research (WNR) facility at the Los Alamos Neutron Science Center (LANSCE). The results are compared with other experimental data, CGMF calculations and selected nuclear data evaluations - ENDF/B-VIII.0, JEFF-3.3, JENDL-5.0.
doi: 10.1103/PhysRevC.105.044615
2020KE05 Phys.Rev. C 102, 034615 (2020) K.J.Kelly, M.Devlin, J.M.O'Donnell, J.A.Gomez, D.Neudecker, R.C.Haight, T.N.Taddeucci, S.M.Mosby, H.Y.Lee, C.Y.Wu, R.Henderson, P.Talou, T.Kawano, A.E.Lovell, M.C.White, J.L.Ullmann, N.Fotiades, J.Henderson, M.Q.Buckner Measurement of the 239Pu(n, f) prompt fission neutron spectrum from 10 keV to 10 MeV induced by neutrons of energy 1-20 MeV NUCLEAR REACTIONS 239Pu(n, F), E=1-20 MeV; measured outgoing prompt fission neutron spectrum (PFNS) in the range of E(n)=0.01-10 MeV, I(n) using Li-glass detector array and 54-detector EJ-309 liquid scintillator array in Chi-Nu experiment at the WNR-LANSCE-Los Alamos facility; deduced correlation matrix for PFNS from the Li-glass and the liquid scintillator. Comparison of present PFNS results with previous experimental results, and with evaluated data in ENDF/B-VIII.0 and JEFF-3.3 libraries.
doi: 10.1103/PhysRevC.102.034615
2020WI11 Phys.Rev. C 102, 064302 (2020) J.Williams, G.C.Ball, A.Chester, P.Choudhary, T.Domingo, A.B.Garnsworthy, G.Hackman, J.Henderson, R.Henderson, R.Krucken, R.S.Lubna, J.Measures, O.Paetkau, J.Park, J.Smallcombe, P.C.Srivastava, K.Starosta, C.E.Svensson, K.Whitmore, M.Williams High-spin structure of the sd shell nuclei 25Na and 22Ne NUCLEAR REACTIONS 12C(18O, pα)25Na, (18O, 2α)22Ne, E=48 MeV; measured Eγ, Iγ, charged particles, γγ- and (particle)γ-coin, γ(θ), level half-lives by DSAM using TIGRESS array of 13 Compton suppressed HPGe clovers and a 38-element array of CsI(Tl) scintillators at the TRIUMF-ISAC facility. 22Ne, 25Na; deduced levels, J, π, multipolarities, B(E1), B(E2). Comparison with shell model calculations using the USDB, SDPF-MU, YSOX and FSU interactions, and with previous experimental results. Calculated proton and neutron occupancies for selected one-particle-one-hole states in 25Na, using the FSU interaction.
doi: 10.1103/PhysRevC.102.064302
2019DE11 Eur.Phys.J. A 55, 25 (2019) H.M.Devaraja, S.Heinz, O.Beliuskina, S.Hofmann, C.Hornung, G.Munzenberg, D.Ackermann, M.Gupta, Y.K.Gambhir, R.A.Henderson, F.P.Hessberger, A.V.Yeremin, B.Kindler, B.Lommel, J.Maurer, K.J.Moody, K.Nishio, A.G.Popeko, M.A.Stoyer, D.A.Shaughnessy Population of nuclides with A ≥ 98 in multi-nucleon transfer reactions of 48Ca + 248Cm NUCLEAR REACTIONS 248Cm(48Ca, x), E=265.4, 270.2 MeV; measured production σ for directly populated nuclei 252,254Cf, 254m,256mEs and 260No[the last reaction used was 18O+254Es at 99 MeV] and for 254,256Fm from parent decay using SHIP selector to select the fusion products and (in another run) target-like transfer reaction products, Compared with published data. RADIOACTIVITY 252,254,256Cf, 256Fm, 256,257,259,260Md, 259No, 262,263Lr(SF), (α); calculated T1/2, SF branching ratio.
doi: 10.1140/epja/i2019-12696-3
2019KE04 Phys.Rev.Lett. 122, 072503 (2019) K.J.Kelly, T.Kawano, J.M.O'Donnell, J.A.Gomez, M.Devlin, D.Neudecker, P.Talou, A.E.Lovell, M.C.White, R.C.Haight, T.N.Taddeucci, S.M.Mosby, H.Y.Lee, C.Y.Wu, R.Henderson, J.Henderson, M.Q.Buckner Preequilibrium Asymmetries in the 239Pu(n, f) Prompt Fission Neutron Spectrum NUCLEAR REACTIONS 239Pu(n, F), E=15-17.5 MeV; measured reaction products, En, In; deduced neutron excess of the preequilibrium prefission distribution above the postfission neutron spectrum. Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.122.072503
2019WI07 Phys.Rev. C 100, 014322 (2019) J.Williams, G.C.Ball, A.Chester, T.Domingo, A.B.Garnsworthy, G.Hackman, J.Henderson, R.Henderson, R.Krucken, A.Kumar, K.D.Launey, J.Measures, O.Paetkau, J.Park, G.H.Sargsyan, J.Smallcombe, P.C.Srivastava, K.Starosta, C.E.Svensson, K.Whitmore, M.Williams Structure of 28Mg and influence of the neutron pf shell NUCLEAR REACTIONS 12C(18O, 2p), E=48 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), Ep, Ip, level half-lives by DSAM using the TIGRESS array and CsI(Tl) scintillator array for charged particle detection at ISACII-TRIUMF. 28Mg; deduced levels, intruder orbitals, J, π, B(E2). Systematics of yrast states in 24,26,28,30Mg, 30Si, 32S. Comparison with ab initio symmetry adapted no-core shell model (SA-NCSM) calculations using the SDPF-MU interaction, and with evaluated data in the ENSDF database. NUCLEAR STRUCTURE 28Mg; calculated levels, intruder orbitals, J, π, neutron occupancies in the pf shell, B(M1), B(M2), proton and neutron effective single-particle energies. Ab initio symmetry adapted no-core shell model (SA-NCSM) calculations using the SDPF-MU, USDB(sd) and SDPF(U) interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.100.014322
2018CH01 Nucl.Instrum.Methods Phys.Res. A882, 69 (2018) A.Chester, G.C.Ball, N.Bernier, D.S.Cross, T.Domingo, T.E.Drake, L.J.Evitts, F.H.Garcia, A.B.Garnsworthy, G.Hackman, S.Hallam, J.Henderson, R.Henderson, R.Krucken, E.MacConnachie, M.Moukaddam, E.Padilla-Rodal, O.Paetkau, J.L.Pore, U.Rizwan, P.Ruotsalainen, J.Shoults, J.Smallcombe, J.K.Smith, K.Starosta, C.E.Svensson, K.Van Wieren, J.Williams, M.Williams Recoil distance method lifetime measurements at TRIUMF-ISAC using the TIGRESS Integrated Plunger NUCLEAR REACTIONS 27Al(84Kr, 84Kr'), E=250 MeV; measured reaction products, Eγ, Iγ. 84Kr; deduced first excited state T1/2 and uncertainty. Comparison with available data.
doi: 10.1016/j.nima.2017.11.029
2018CH34 Phys.Lett. B 782, 652 (2018) A.Chyzh, P.Jaffke, C.Y.Wu, R.A.Henderson, P.Talou, I.Stetcu, J.Henderson, M.Q.Buckner, S.A.Sheets, R.Hughes, B.Wang, J.L.Ullmann, S.Mosby, T.A.Bredeweg, A.C.Hayes-Sterbenz, J.M.O'Donnell Dependence of the prompt fission γ-ray spectrum on the entrance channel of compound nucleus: Spontaneous vs. neutron-induced fission RADIOACTIVITY 240,242Pu(SF); measured decay products, Eγ, Iγ; deduced prompt γ-ray spectra. NUCLEAR REACTIONS 239,241Pu(n, F), E ∼ 100 keV; measured reaction products, Eγ, Iγ; deduced prompt fission γ-ray energy spectra. Comparison with Monte Carlo Hauser-Feshbach statistical model for the neutron-induced fission.
doi: 10.1016/j.physletb.2018.06.006
2018DE08 Nucl.Data Sheets 148, 322 (2018) M.Devlin, J.A.Gomez, K.J.Kelly, R.C.Haight, J.M.O'Donnell, T.N.Taddeucci, H.Y.Lee, S.M.Mosby, B.A.Perdue, N.Fotiades, J.L.Ullmann, C.Y.Wu, B.Bucher, M.Q.Buckner, R.A.Henderson, D.Neudecker, M.C.White, P.Talou, M.E.Rising, C.J.Solomon The Prompt Fission Neutron Spectrum of 235U(n, f) below 2.5 MeV for Incident Neutrons from 0.7 to 20 MeV NUCLEAR REACTIONS 235U(n, F), E=0.7-20 MeV; measured reaction products, En, In, TOF; deduced prompt fission neutron spectrum, σ(E).
doi: 10.1016/j.nds.2018.02.008
2018MO06 Nucl.Data Sheets 148, 312 (2018) S.Mosby, T.A.Bredeweg, A.Couture, M.Jandel, T.Kawano, J.Ullmann, R.A.Henderson, C.Y.Wu 239Pu(n, γ) from 10 eV to 1.3 MeV NUCLEAR REACTIONS 239Pu(n, γ), E=0.00001-1.3 MeV; measured reaction products, Eγ, Iγ; deduced σ and uncertainties. Detector for Advanced Neutron Capture Experiments (DANCE). Comparison with theoretical calculations.
doi: 10.1016/j.nds.2018.02.007
2018MO08 Phys.Rev. C 97, 041601 (2018) S.Mosby, T.A.Bredeweg, A.Couture, M.Jandel, T.Kawano, J.L.Ullmann, R.A.Henderson, C.Y.Wu Unifying measurement of 239Pu(n, γ) in the keV to MeV energy regime NUCLEAR REACTIONS 239Pu(n, γ), E=0.001-1.3 MeV; measured Eγ, Iγ, σ(E), using the Detector for Advanced Neutron Capture Experiments (DANCE) at LANL-LANSCE facility. Comparison with previous experimental results, evaluated data in ENDF/B-VII.1, ENDF/B-VIII.0, JENDL-4, and with theoretical calculations using CoH3 for the M1 scissors mode.
doi: 10.1103/PhysRevC.97.041601
2018MO34 Nucl.Instrum.Methods Phys.Res. A905, 180 (2018) M.Moukaddam, J.Smallcombe, L.J.Evitts, A.B.Garnsworthy, C.Andreoiu, G.C.Ball, J.Berean-Dutcher, D.Bishop, C.Bolton, R.Caballero-Folch, M.Constable, D.S.Cross, T.E.Drake, R.Dunlop, P.E.Garrett, S.Georges, G.Hackman, S.Hallam, J.Henderson, R.Henderson, R.Krucken, L.Kurchaninov, A.Kurkjian, B.Olaizola, E.O'Sullivan, P.Lu, J.Park, E.E.Peters, J.L.Pore, E.T.Rand, P.Ruotsalainen, J.K.Smith, D.Southall, M.Spencer, C.E.Svensson, M.Wiens, M.Williams, S.W.Yates, T.Zidar In-beam internal conversion electron spectroscopy with the SPICE detector NUCLEAR REACTIONS 110Pd(α, X)109Pd/110Pd/111Ag, E=36 MeV; measured reaction products, Eγ, Iγ, Eβ, Iβ; deduced internal conversion electrons spectra and coefficients, energy levels, J, π. Comparison with BrICC calculations. The SPectrometer for Internal Conversion Electrons (SPICE), TIGRESS γ-ray spectrometer, TRIUMF-ISAC-II superconducting linear accelerator.
doi: 10.1016/j.nima.2018.07.064
2018PO07 Phys.Rev. C 97, 054310 (2018) F.Ponce, E.Swanberg, J.Burke, R.Henderson, S.Friedrich Accurate measurement of the first excited nuclear state in 235U RADIOACTIVITY 235mU(IT)[from 239Pu(α)]; measured Eγ, Iγ, and precise energy of the first excited state at 76 eV in 235U using superconducting tunnel junction detector with pulsed UV laser calibration. Comparison with previous experimental values. 229mTh(IT); discussed adaptation of experimental approach towards measurement of first excited state at 7.8 eV in 229Th.
doi: 10.1103/PhysRevC.97.054310
2017BU04 Phys.Rev. C 95, 024610 (2017) M.Q.Buckner, C.Y.Wu, R.A.Henderson, B.Bucher, N.Wimer, A.Chyzh, T.A.Bredeweg, B.Baramsai, A.Couture, M.Jandel, S.Mosby, J.L.Ullmann Measurement of the 242mAm neutron-induced reaction cross sections NUCLEAR REACTIONS 242mAm(n, γ), (n, F), E=0.023-0.98 eV; measured Eγ, Iγ, σ(E) for both reactions using DANCE array of 160 BaF2 crystals at LANSCE-LLNL facility. Comparison with previous experimental data.
doi: 10.1103/PhysRevC.95.024610
2017BU10 Phys.Rev. C 95, 061602 (2017) M.Q.Buckner, C.Y.Wu, R.A.Henderson, B.Bucher, N.Wimer, A.Chyzh, T.A.Bredeweg, B.Baramsai, A.Couture, M.Jandel, S.Mosby, J.L.Ullmann Comprehensive 242mAm neutron-induced reaction cross sections and resonance parameters NUCLEAR REACTIONS 242mAm(n, γ), (n, F), E=0.1 eV to 1 MeV; measured Eγ, Iγ, neutron capture and neutron-induced fission σ(E) using DANCE array of 160 equal-volume BaF2 crystals at the LANSCE-LLNL Lujan Neutron Scattering Center; deduced neutron-induced resonance energies, Γγ, Γn, and Γf of 106 resonances with energies between 0.15 and 45 eV by analyzing spectra using the R-matrix code SAMMY. Comparison with previous experimental data, and with evaluated data in ENDF/B-VII.1.
doi: 10.1103/PhysRevC.95.061602
2017CH28 Phys.Rev. C 96, 011302 (2017) A.Chester, G.C.Ball, R.Caballero-Folch, D.S.Cross, S.Cruz, T.Domingo, T.E.Drake, A.B.Garnsworthy, G.Hackman, S.Hallam, J.Henderson, R.Henderson, W.Korten, R.Krucken, M.Moukaddam, B.Olaizola, P.Ruotsalainen, J.Smallcombe, K.Starosta, C.E.Svensson, J.Williams, K.Wimmer Recoil distance method lifetime measurement of the 2+1 and implications for the structure of neutron-rich Sr isotopes NUCLEAR REACTIONS 27Al(94Sr, 94Sr'), (94Sr, 27Al')E=280 MeV; measured Eγ, Iγ, (27Al)γ-coin, half-life of the first 2+ state in 94Sr by recoil-distance method (RDM) using TIGRESS Integrated Plunger (TIP), and TIGRESS array for γ detection at TRIUMF-ISAC-II accelerator facility. Coulomb excitation. Geant4 simulations. 94Sr; deduced level, B(E2) for the first 2+ state. Comparison with previous measurements, and with theoretical model calculations.
doi: 10.1103/PhysRevC.96.011302
2017CL01 Phys.Rev. C 95, 064612 (2017) S.D.Clarke, B.M.Wieger, A.Enqvist, R.Vogt, J.Randrup, R.C.Haight, H.Y.Lee, B.A.Perdue, E.Kwan, C.Y.Wu, R.A.Henderson, S.A.Pozzi Measurement of the energy and multiplicity distributions of neutrons from the photofission of 235U NUCLEAR REACTIONS 235U(γ, F), E<800 MeV white photon source; measured E(n), I(n), neutron time-of-flight spectrum, prompt fission neutron spectrum, neutron multiplicity distribution, average energy of correlated photofission neutron pairs as function of the angle between detectors at the WNR-15L beam line at LANSCE-LANL. Comparison with simulations using FREYA and MCNPX-POLIMI codes.
doi: 10.1103/PhysRevC.95.064612
2017VO05 Phys.Rev. C 96, 024305 (2017) P.Voss, T.E.Drake, K.Starosta, C.Andreoiu, R.Ashley, G.C.Ball, P.C.Bender, A.Chester, R.Churchman, D.S.Cross, A.B.Garnsworthy, G.Hackman, B.Hadinia, R.Henderson, B.Jigmeddorj, S.Ketelhut, R.Krucken, A.T.Laffoley, K.G.Leach, D.Miller, R.Orlandi, C.J.Pearson, J.Pore, M.M.Rajabali, E.T.Rand, C.E.Svensson, E.Tardiff, C.Unsworth, Z.-M.Wang, A.Signoracci Doppler-shift attenuation lifetime measurement of the 36Ar 2+1 level NUCLEAR REACTIONS 12C(36Ar, 36Ar'), E=63 MeV; measured Eγ, (12C)γ-coin, half-life of the first 2+ state by Doppler-shift attenuation method (DSAM) following low-energy Coulomb excitation using TIGRESS spectrometer and PIN diode detectors at TRIUMF-ISAC facility. Carbon target backed with 197Au. 36Ar; deduced level, B(E2) for the first 2+ state, and compared with previous experimental data, and with shell-model calculations using USDB interaction.
doi: 10.1103/PhysRevC.96.024305
2017WI07 Nucl.Instrum.Methods Phys.Res. A859, 8 (2017) J.Williams, C.Andreoiu, R.Ashley, G.C.Ball, T.Ballast, P.C.Bender, C.Bolton, V.Bildstein, A.Chester, D.S.Cross, T.Domingo, T.Drake, A.Garnsworthy, P.Garrett, B.Hadinia, G.Hackman, R.Henderson, D.Jamieson, B.Jigmeddorj, A.Knapton, R.Kruecken, D.Miller, W.J.Mills, M.Moukaddam, M.Rajabali, U.Rizwan, K.Starosta, C.E.Svensson, C.Unsworth, A.D.Varela, P.Voss, Z.M.Wang, J.Wong Implementation of the Doppler shift attenuation method using TIP/TIGRESS at TRIUMF: Fusion-evaporation lifetime measurements in 22Ne NUCLEAR REACTIONS 12C(18O, 2α)22Ne, E=48 MeV; measured reaction products, Eα, Iα, Eγ, Iγ; deduced level energies, J, π, T1/2. DSAM, comparison with available data.
doi: 10.1016/j.nima.2017.03.059
2016BU09 Phys.Rev. C 93, 044613 (2016) M.Q.Buckner, C.Y.Wu, R.A.Henderson, B.Bucher, A.Chyzh, T.A.Bredeweg, B.Baramsai, A.Couture, M.Jandel, S.Mosby, J.M.O'Donnell, J.L.Ullmann Absolute measurement of the 242Pu neutron-capture cross section NUCLEAR REACTIONS 242Pu(n, γ), E=thermal-several hundred keV; measured Eγ, Iγ, summed γ-ray energy versus cluster multiplicity using LANSC-DANCE at LLNL facility, absolute σ(E) from thermal to ≈40 keV neutrons; deduced energies, Γγ and Γn of neutron resonances from 2.662 eV to 495.0 eV. Comparison with literature and evaluated data in ENDF/B-VII.1.
doi: 10.1103/PhysRevC.93.044613
2016HE13 Eur.Phys.J. A 52, 278 (2016) S.Heinz, H.M.Devaraja, O.Beliuskina, V.Comas, S.Hofmann, C.Hornung, G.Munzenberg, D.Ackermann, M.Gupta, R.A.Henderson, F.P.Hessberger, B.Kindler, B.Lommel, R.Mann, J.Maurer, K.J.Moody, K.Nishio, A.G.Popeko, D.A.Shaughnessy, M.A.Stoyer, A.V.Yeremin Synthesis of new transuranium isotopes in multinucleon transfer reactions using a velocity filter NUCLEAR REACTIONS 248Cm(48Ca, x), E=5.3 MeV/nucleon; measured Eα, Iα, 225Pa velocity spectrum; deduced, identified 90 known isotopes and 5 new ones (3 produced directly in the reaction, 2 via precursor decays), their production σ.
doi: 10.1140/epja/i2016-16278-7
2016HO06 Eur.Phys.J. A 52, 116 (2016) S.Hofmann, S.Heinz, R.Mann, J.Maurer, G.Munzenberg, S.Antalic, W.Barth, L.Dahl, K.Eberhardt, R.Grzywacz, J.H.Hamilton, R.A.Henderson, J.M.Kenneally, B.Kindler, I.Kojouharov, R.Lang, B.Lommel, K.Miernik, D.Miller, K.J.Moody, K.Morita, K.Nishio, A.G.Popeko, J.B.Roberto, J.Runke, K.P.Rykaczewski, C.Scheidenberger, D.A.Shaughnessy, M.A.Stoyer, P.Thorle-Pospiech, K.Tinschert, N.Trautmann, J.Uusitalo, A.V.Yeremin Remarks on the fission barriers of super-heavy nuclei RADIOACTIVITY 285Fl, 291,292,293Lv, 294Og(α); calculated mass excess, Qα, shell correction energies for complete α-decay chains. Z=118, 120(α); deduced estimates for synthesis σ. Compared with calculations using macroscopic-microscopic models.
doi: 10.1140/epja/i2016-16116-0
2016HO09 Eur.Phys.J. A 52, 180 (2016) S.Hofmann, S.Heinz, R.Mann, J.Maurer, G.Munzenberg, S.Antalic, W.Barth, H.G.Burkhard, L.Dahl, K.Eberhardt, R.Grzywacz, J.H.Hamilton, R.A.Henderson, J.M.Kenneally, B.Kindler, I.Kojouharov, R.Lang, B.Lommel, K.Miernik, D.Miller, K.J.Moody, K.Morita, K.Nishio, A.G.Popeko, J.B.Roberto, J.Runke, K.P.Rykaczewski, S.Saro, C.Scheidenberger, H.J.Schott, D.A.Shaughnessy, M.A.Stoyer, P.Thorle-Pospiech, K.Tinschert, N.Trautmann, J.Uusitalo, A.V.Yeremin Review of even element super-heavy nuclei and search for element
doi: 10.1140/epja/i2016-16180-4
2016LA02 Phys.Rev. C 93, 014323 (2016); Pub.Note Phys.Rev. C 100, 039901 (2019) T.A.Laplace, F.Zeiser, M.Guttormsen, A.C.Larsen, D.L.Bleuel, L.A.Bernstein, B.L.Goldblum, S.Siem, F.L.Bello Garotte, J.A.Brown, L.C.Campo, T.K.Eriksen, F.Giacoppo, A.Gorgen, K.Hadynska-Klek, R.A.Henderson, M.Klintefjord, M.Lebois, T.Renstrom, S.J.Rose, E.Sahin, T.G.Tornyi, G.M.Tveten, A.Voinov, M.Wiedeking, J.N.Wilson, W.Younes Statistical properties of 243Pu, and 242Pu(n, γ) cross section calculation NUCLEAR REACTIONS 242Pu(d, p), E=12 MeV; measured Eγ, particle spectra, (particle)γ-coin using CACTUS γ-spectrometer and SiRi (Silicon Ring) for particle detection at Oslo Cyclotron Laboratory; deduced γ-strength functions (γSF) in the quasicontinuum using the Oslo method, level density, centroid energy, strength and γSF of M1-scissors resonance, sum-rule estimates. 242Pu(n, γ), E=0.001-5 MeV; calculated σ(n, γ) using TALYS and level density and γSF parameters from the present work. Comparison with published data, and ENDF/B-VII.1, JENDL-4.0 and TENDL2014.
doi: 10.1103/PhysRevC.93.014323
2015DE22 Phys.Lett. B 748, 199 (2015) H.M.Devaraja, S.Heinz, O.Beliuskina, V.Comas, S.Hofmann, C.Hornung, G.Munzenberg, K.Nishio, D.Ackermann, Y.K.Gambhir, M.Gupta, R.A.Henderson, F.P.Hessberger, J.Khuyagbaatar, B.Kindler, B.Lommel, K.J.Moody, J.Maurer, R.Mann, A.G.Popeko, D.A.Shaughnessy, M.A.Stoyer, A.V.Yeremin Observation of new neutron-deficient isotopes with Z≥92 in multinucleon transfer reactions NUCLEAR REACTIONS 248Cm(48Ca, X)216U/212Th/208Fr/219Np/223Am/215Pa/211Ac/207Fr/229Am/225Np/213Fr/233Bk/225Np, E=270 MeV; measured reaction fragments, Eα, Iα; deduced five new isotopes σ, T1/2. Comparison with available data.
doi: 10.1016/j.physletb.2015.07.006
2015HA01 Nucl.Data Sheets 123, 130 (2015) R.C.Haight, C.Y.Wu, H.Y.Lee, T.N.Taddeucci, B.A.Perdue, J.M.O'Donnell, N.Fotiades, M.Devlin, J.L.Ullmann, T.A.Bredeweg, M.Jandel, R.O.Nelson, S.A.Wender, D.Neudecker, M.E.Rising, S.Mosby, S.Sjue, M.C.White, B.Bucher, R.Henderson The LANL/LLNL Prompt Fission Neutron Spectrum Program at LANSCE and Approach to Uncertainties NUCLEAR REACTIONS 239Pu(n, F), E<15 MeV; analyzed available data; deduced possible prompt fission neutron spectra σ, yields, correlation matrices.
doi: 10.1016/j.nds.2014.12.023
2015TA03 Nucl.Data Sheets 123, 135 (2015) T.N.Taddeucci, R.C.Haight, H.Y.Lee, D.Neudecker, J.M.O'Donnell, M.C.White, B.A.Perdue, M.Devlin, N.Fotiadis, J.L.Ullmann, R.O.Nelson, T.A.Bredeweg, M.E.Rising, S.K.Sjue, S.A.Wender, C.Y.Wu, R.Henderson Multiple-scattering Corrections to Measurements of the Prompt Fission Neutron Spectrum NUCLEAR REACTIONS 239Pu(n, F), E<15 MeV; analyzed available data; deduced response functions, the shape of the prompt fission neutron spectrum.
doi: 10.1016/j.nds.2014.12.024
2014CH30 Phys.Rev. C 90, 014602 (2014) A.Chyzh, C.Y.Wu, E.Kwan, R.A.Henderson, T.A.Bredeweg, R.C.Haight, A.C.Hayes-Sterbenz, H.Y.Lee, J.M.O'Donnell, J.L.Ullmann Total prompt γ-ray emission in fission of 235U, 239, 241Pu, and 252Cf NUCLEAR REACTIONS 235U, 239,241Pu(n, F), E=0.025 eV-100 keV; measured Eγ, Iγ of prompt γ rays, fission fragments using DANCE detector array for γ rays and parallel-plate avalanche counter for fission fragments at LLNL facility; deduced γ-ray multiplicity distributions, mean values of the total prompt γ-ray energy. Discussed γ heating in nuclear reactors. Comparison with previous experimental results and ENDF/B-VII.1 evaluation. RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ of prompt γ rays, fission fragments using DANCE detector array for γ rays and parallel-plate avalanche counter for fission fragments at LLNL facility; deduced γ-ray multiplicity distributions, mean values of the total prompt γ-ray energy. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.90.014602
2014HA27 Nucl.Data Sheets 119, 205 (2014) R.C.Haight, H.Y.Lee, T.N.Taddeucci, J.M.O'Donnell, B.A.Perdue, N.Fotiades, M.Devlin, J.L.Ullmann, A.Laptev, T.Bredeweg, M.Jandel, R.O.Nelson, S.A.Wender, M.C.White, C.Y.Wu, E.Kwan, A.Chyzh, R.Henderson, J.Gostic The Prompt Fission Neutron Spectrum (PFNS) Measurement Program at LANSCE
doi: 10.1016/j.nds.2014.08.057
2014KW05 Nucl.Data Sheets 119, 221 (2014) E.Kwan, C.Y.Wu, R.C.Haight, H.Y.Lee, T.A.Bredeweg, A.Chyzh, M.Devlin, N.Fotiades, J.M.Gostic, R.A.Henderson, M.Jandel, A.Laptev, R.O.Nelson, J.M.O'Donnell, B.A.Perdue, T.N.Taddeucci, J.L.Ullmann, S.A.Wender Prompt Fission γ-rays Measured Using Liquid Scintillators NUCLEAR REACTIONS 235U(n, F), E=1-20 MeV; measured prompt Eγ, Iγ, γγ-coin using FIGARO; deduced γ-ray spectrum, unfolded using SVD and iterative Bayesian techniques. Compared to 235Cf(SF). RADIOACTIVITY 235Cf(SF); measured prompt Eγ, Iγ, γγ-coin using FIGARO; deduced γ-ray spectrum, unfolded using SVD and iterative Bayesian techniques. Compared to 235U(n, F).
doi: 10.1016/j.nds.2014.08.061
2014MO04 Phys.Rev. C 89, 034610 (2014) S.Mosby, T.A.Bredeweg, A.Chyzh, A.Couture, R.Henderson, M.Jandel, E.Kwan, J.M.O'Donnell, J.Ullmann, C.Y.Wu Improved neutron capture cross section of 239Pu NUCLEAR REACTIONS 239Pu(n, γ), E=10-1000 eV; measured Eγ, Iγ, (fission fragment)γ-coin, time-of-flight spectrum, fission σ(E), ratio of capture to fission σ(E), α-particle derived capture σ(E), integrated σ using DANCE detector and a parallel-plate avalanche counter (PPAC) at LANSCE-LLNL facility. Comparison with theoretical calculations, ENDF/B-VII.1 evaluation, and with previous experimental data.
doi: 10.1103/PhysRevC.89.034610
2014MO21 Nucl.Data Sheets 119, 31 (2014) S.Mosby, C.Arnold, T.A.Bredeweg, A.Chyzh, A.Couture, R.Henderson, M.Jandel, E.Kwan, J.M.O'Donnell, G.Rusev, J.L.Ullmann, C.Y.Wu Neutron Capture Cross Section of 239Pu NUCLEAR REACTIONS 239Pu(n, γ), E=10 eV - 100 keV; measured prompt fission Eγ, Iγ using DANCE; deduced σ. Preliminary. Compared to ENDF/B-VII.1.
doi: 10.1016/j.nds.2014.08.010
2014PE14 Nucl.Data Sheets 119, 371 (2014) B.A.Perdue, T.N.Taddeucci, R.C.Haight, T.Bredeweg, M.Devlin, N.Fotiades, M.Jandel, A.Laptev, H.Y.Lee, R.O.Nelson, J.M.O'Donnell, J.L.Ullmann, S.A.Wender, C.Y.Wu, E.Kwan, A.Chyzh, R.A.Henderson, J.M.Gostic Development of an Array of Liquid Scintillators to Measure the Prompt Fission Neutron Spectrum at LANSCE
doi: 10.1016/j.nds.2014.08.102
2013CH15 Phys.Rev. C 87, 034620 (2013) A.Chyzh, C.Y.Wu, E.Kwan, R.A.Henderson, J.M.Gostic, T.A.Bredeweg, A.Couture, R.C.Haight, A.C.Hayes-Sterbenz, M.Jandel, H.Y.Lee, J.M.O'Donnell, J.L.Ullmann Systematics of prompt γ-ray emission in fission NUCLEAR REACTIONS 235U, 239,241Pu(n, F), E=thermal to 1 MeV; measured prompt Eγ, Iγ, charged particles, (particle)γ(t), γ multiplicity, total γ-ray energy vs cluster multiplicity, TOF using DANCE array and PPACs at LANSCE facility. Possible population of pygmy resonances. Comparison of measured γ-ray multiplicity distributions with iterative Bayesian and SVD methods.
doi: 10.1103/PhysRevC.87.034620
2013CH48 Phys.Rev. C 88, 044607 (2013) A.Chyzh, C.Y.Wu, E.Kwan, R.A.Henderson, J.M.Gostic, T.A.Bredeweg, A.Couture, R.C.Haight, H.Y.Lee, J.M.O'Donnell, J.L.Ullmann Precision measurement of the 238Pu (n, γ) cross section NUCLEAR REACTIONS 238Pu(n, γ), E=thermal-30 keV; measured Eγ, Iγ, summed-γ spectra, γ-ray multiplicity, precise σ(E) using DANCE array at LANSCE facility; deduced resonance parameters, energies, γ and neutron widths from 2.87 eV to 407 eV energy region. Comparison with evaluated data in ENDF/B-VII.1.
doi: 10.1103/PhysRevC.88.044607
2013OG01 Phys.Rev. C 87, 014302 (2013) Yu.Ts.Oganessian, F.Sh.Abdullin, S.N.Dmitriev, J.M.Gostic, J.H.Hamilton, R.A.Henderson, M.G.Itkis, K.J.Moody, A.N.Polyakov, A.V.Ramayya, J.B.Roberto, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, N.J.Stoyer, V.G.Subbotin, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin Investigation of the 243Am + 48Ca reaction products previously observed in the experiments on elements 113, 115, and 117 NUCLEAR REACTIONS 243Am(48Ca, xn)287Mc/288Mc/289Mc, E=239.8-253.8 MeV; measured evaporation residues (ER), α, and SF fragments, ER-α and ER-SF correlated events, σ at U400 cyclotron facility of FLNR, JINR. 249Bk(48Ca, xn)293Ts/294Ts; 237Np(48Ca, 3n)282Nh; analyzed data. RADIOACTIVITY 287,288,289Mc, 283,284,285Nh, 279,280Rg, 275,276Mt, 271,272Bh(α); 267,268Db, 281Rg(SF); measured T1/2. 293,297Ts, 290Mc, 282,286Nh, 278,282Rg, 274,278Mt, 270,274Bh(α); 266,270Db(SF); analyzed and compared previous half-life data.
doi: 10.1103/PhysRevC.87.014302
2013OG03 Phys.Rev. C 87, 034605 (2013) Yu.Ts.Oganessian, V.K.Utyonkov, F.Sh.Abdullin, S.N.Dmitriev, R.Graeger, R.A.Henderson, M.G.Itkis, Yu.V.Lobanov, A.N.Mezentsev, K.J.Moody, S.L.Nelson, A.N.Polyakov, M.A.Ryabinin, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, N.J.Stoyer, V.G.Subbotin, K.Subotic, A.M.Sukhov, Yu.S.Tsyganov, A.Turler, A.A.Voinov, G.K.Vostokin, P.A.Wilk, A.Yakushev Synthesis and study of decay properties of the doubly magic nucleus 270Hs in the 226Ra + 48Ca reaction NUCLEAR REACTIONS 226Ra(48Ca, 4n)270Hs, E=229, 234, 241 MeV; measured reaction products, σ(E), ER-α correlations using U400 cyclotron and Dubna gas-filled recoil separator at FLNR, JINR facility. Relatively high production cross section due to high fission barrier arising from nuclear shell effects. RADIOACTIVITY 270Hs(α)[from 226Ra(48Ca, 4n), E=229, 234, 241 MeV]; 266Sg(SF)[from 270Hs α decay]; measured Eα, evaporation residues-α correlations, T1/2. Comparison with previous studies. Systematics of α decay and SF half-lives for N=148-172 No, Rf, Sg, and Hs nuclei.
doi: 10.1103/PhysRevC.87.034605
2013OG04 Phys.Rev. C 87, 054621 (2013) Yu.Ts.Oganessian, F.Sh.Abdullin, C.Alexander, J.Binder, R.A.Boll, S.N.Dmitriev, J.Ezold, K.Felker, J.M.Gostic, R.K.Grzywacz, J.H.Hamilton, R.A.Henderson, M.G.Itkis, K.Miernik, D.Miller, K.J.Moody, A.N.Polyakov, A.V.Ramayya, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.V.Shumeiko, M.A.Stoyer, N.J.Stoyer, V.G.Subbotin, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin Experimental studies of the 249Bk+48Ca reaction including decay properties and excitation function for isotopes of element 117, and discovery of the new isotope 277Mt NUCLEAR REACTIONS 249Bk(48Ca, 3n), (48Ca, 4n), E=243.7, 255.7, 259.8 MeV; measured σ(E) for production of 293,294Ts using DGFRS separator at FLNR, JINR facility. Comparison with theoretical calculations. RADIOACTIVITY 293,294Ts, 289,290Mc, 285,286Nh, 281,282Rg, 278Mt, 274Bh(α)[from α decay chains of 293Ts and 294Ts formed in 249Bk(48Ca, 3n), (48Ca, 4n), E=243.7, 255.7, 259.8 MeV]; measured Eα, Iα, half-lives. 270Db, 277Mt, 281Rg(SF); measured decay energy, half-lives. 281Rg(α), (SF); measured α/SF branching ratio. 277Mt; identified new isotope. Systematics of Q(α), SF- and α-decay half-lives for isotopes in Z=104-117, N=150-177 regions.
doi: 10.1103/PhysRevC.87.054621
2013UL01 Phys.Rev. C 87, 044607 (2013) J.L.Ullmann, E.M.Bond, T.A.Bredeweg, A.Couture, R.C.Haight, M.Jandel, T.Kawano, H.Y.Lee, J.M.O'Donnell, A.C.Hayes, I.Stetcu, T.N.Taddeucci, P.Talou, D.J.Vieira, J.B.Wilhelmy, J.A.Becker, A.Chyzh, J.Gostic, R.Henderson, E.Kwan, C.Y.Wu Prompt γ-ray production in neutron-induced fission of 239Pu NUCLEAR REACTIONS 239Pu(n, F), E<30 keV; measured prompt Eγ, Iγ, fission σ(E), Gamma-ray multiplicity using DANCE γ-ray calorimeter at LANSCE facility; deduced average multiplicity, average total energy. GEANT4 simulation of DANCE detector. Fission Tagging. Comparison with Monte Carlo Hauser-Feshbach (MCHF) calculations, previous experimental studies, and with ENDF/B-VII.
doi: 10.1103/PhysRevC.87.044607
2012CH07 Phys.Rev. C 85, 021601 (2012) A.Chyzh, C.Y.Wu, E.Kwan, R.A.Henderson, J.M.Gostic, T.A.Bredeweg, R.C.Haight, A.C.Hayes-Sterbenz, M.Jandel, J.M.O'Donnell, J.L.Ullmann Evidence for the stochastic aspect of prompt γ emission in spontaneous fission RADIOACTIVITY 252Cf(SF); measured prompt γ spectra, and γ-ray multiplicity distributions, total γ-ray energy distribution using 4π γ-ray calorimeter DANCE array at LANSCE facility. Data analyzed by iterative Bayesian and SVD methods. Stochastic features of the prompt γ emission in spontaneous fission at higher multiplicities.
doi: 10.1103/PhysRevC.85.021601
2012HO12 Eur.Phys.J. A 48, 62 (2012) S.Hofmann, S.Heinz, R.Mann, J.Maurer, J.Khuyagbaatar, D.Ackermann, S.Antalic, W.Barth, M.Block, H.G.Burkhard, V.F.Comas, L.Dahl, K.Eberhardt, J.Gostic, R.A.Henderson, J.A.Heredia, F.P.Hessberger, J.M.Kenneally, B.Kindler, I.Kojouharov, J.V.Kratz, R.Lang, M.Leino, B.Lommel, K.J.Moody, G.Munzenberg, S.L.Nelson, K.Nishio, A.G.Popeko, J.Runke, S.Saro, D.A.Shaughnessy, M.A.Stoyer, P.Thorle-Pospiech, K.Tinschert, N.Trautmann, J.Uusitalo, P.A.Wilk, A.V.Yeremin The reaction 48Ca + 248Cm → 296116* studied at the GSI-SHIP NUCLEAR REACTIONS 248Cm(48Ca, X)292Lv/293Lv, E=265.4, 270.2 MeV; measured reaction products, Eα, Iα(t) from 116 decay, 116 fission using SHIP velocity filter. 288,289Fl, 284,285Cn, 281Ds, 277Hs; deduced σ, T1/2, ground state quadrupole deformation, quasiparticle excitations, Q-values for different α decay chains. Comparison with other data.
doi: 10.1140/epja/i2012-12062-1
2012KW01 Nucl.Instrum.Methods Phys.Res. A688, 55 (2012) E.Kwan, C.Y.Wu, R.C.Haight, H.Y.Lee, T.A.Bredeweg, A.Chyzh, M.Devlin, N.Fotiades, J.M.Gostic, R.A.Henderson, M.Jandel, A.Laptev, R.O.Nelson, J.M.O'Donnell, B.A.Perdue, T.N.Taddeucci, J.L.Ullmann, S.A.Wender Prompt energy distribution of 235U(n, f)γ at bombarding energies of 1-20 MeV NUCLEAR REACTIONS 235U(n, F), E=1-20 MeV; measured reaction products, Eγ, Iγ; deduced prompt γ-rays distribution. Comparison with GEANT4 simulations. RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ; deduced prompt γ-rays distribution. Comparison with GEANT4 simulations.
doi: 10.1016/j.nima.2012.06.003
2012OG02 Phys.Rev.Lett. 108, 022502 (2012) Yu.Ts.Oganessian, F.Sh.Abdullin, S.N.Dmitriev, J.M.Gostic, J.H.Hamilton, R.A.Henderson, M.G.Itkis, K.J.Moody, A.N.Polyakov, A.V.Ramayya, J.B.Roberto, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, V.G.Subbotin, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin New Insights into the 243Am+48Ca Reaction Products Previously Observed in the Experiments on Elements 113, 115, and 117 NUCLEAR REACTIONS 243Am(48Ca, 3n)288Mc, E=240 MeV; 243Am, 249Bk(48Ca, X)289Mc, E not given; measured reaction products. 291Mc, 291Mc, 297Ts; deduced σ. Comparison with other data. RADIOACTIVITY 288Mc, 284Nh, 280Rg, 276Mt, 272Bh(α), 268Db(SF); 289Mc, 285Nh, 281Rg(α); 293Ts, 289Mc, 285Nh, 281Rg(α); measured decay products, Eα, Iα; deduced decay chains, strong support for the elements of 113 and 115.
doi: 10.1103/PhysRevLett.108.022502
2012OG06 Phys.Rev.Lett. 109, 162501 (2012) Yu.Ts.Oganessian, F.Sh.Abdullin, C.Alexander, J.Binder, R.A.Boll, S.N.Dmitriev, J.Ezold, K.Felker, J.M.Gostic, R.K.Grzywacz, J.H.Hamilton, R.A.Henderson, M.G.Itkis, K.Miernik, D.Miller, K.J.Moody, A.N.Polyakov, A.V.Ramayya, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.V.Shumeiko, M.A.Stoyer, N.J.Stoyer, V.G.Subbotin, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin Production and Decay of the Heaviest Nuclei 293, 294117 and 294118 NUCLEAR REACTIONS 249Bk(48Ca, X)293Ts/294Ts, E=247, 252 MeV; 249Cf(48Ca, 3n)294Og, E=245, 251 MeV; measured reaction products, Eα, Iα; deduced average σ, T1/2. Comparison with available data. RADIOACTIVITY 294Og, 293,294Ts, 290Lv, 289,290Mc(α), 286Fl(α), (SF), 285,286Nh(α), 282Cn(SF), 281Rg(SF), 282Rg(α), 278Mt, 274Bh(α), 270Db(SF); measured decay products, Eα, Iα; deduced discovery z=117 element, T1/2, decay branch, Q-values. Comparison with available data.
doi: 10.1103/PhysRevLett.109.162501
2012TH05 Nucl.Sci.Eng. 171, 85 (2012) I.J.Thompson, Y.M.X.M.Dardenne, J.M.Kenneally, A.Robertson, L.E.Ahle, C.A.Hagmann, R.A.Henderson, D.Vogt, C.-Y.Wu, W.Younes Evaluations of Fission Chain Yields for 239Pu from Fission-Spectrum Neutrons NUCLEAR REACTIONS 239Pu(n, F)95Zr/97Zr/95Nb/97Nb/99Mo/144Ce/146Nd/147Nd/148Nd/150Nd/155Eu/156Eu/140Ba/90Sr/103Ru/131I/140La, E<10 MeV; analyzed available data; deduced fission chain yields.
doi: 10.13182/NSE10-101
2011BU11 J.Korean Phys.Soc. 59, 1892s (2011) J.T.Burke, J.J.Ressler, J.E.Escher, N.D.Scielzo, I.J.Thompson, R.Henderson, J.Gostic, L.Bernstein, D.Bluel, M.Weideking, V.Meot, O.Roig, L.W.Phair, R.Hatarik, J.Munson, C.Angell, B.Goldblum, C.W.Beausang, T.Ross, R.Hughes, M.Aiche, G.Barreau, N.Cappelan, S.Czajkowski, B.Hass, B.Jurado, L.Mathieu, I.Companis Experimental Approaches to Studying the Fission Process Using the Surrogate Reaction Technique NUCLEAR REACTIONS 235,236U, 239Pu(α, α'), E=55 MeV; measured E(charged particle), I(charged particle), Eγ, Iγ(θ), γγ-coin, fission products using STARS (Silicon Telescope Array for Reaction Studies), LIBERACE, HYDRA; deduced σ 238Pu(n, F) below 20 MeV using surrogate reactions. Comparison with other data.
doi: 10.3938/jkps.59.1892
2011HA63 J.Phys.:Conf.Ser. 312, 082026 (2011) J.H.Hamilton, Yu.Ts.Oganessian, F.Sh.Abdullin, P.D.Bailey, D.Benker, M.E.Bennett, S.N.Dmitriev, J.Ezold, R.A.Henderson, M.G.Itkis, Yu.V.Lobanov, A.N.Mezentsev, K.J.Moody, S.L.Nelson, A.N.Polyakov, C.E.Porter, A.V.Ramayya, F.Riley, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, V.G.Subbotin, R.Sudowe, A.M.Sukhov, Tu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin, P.A.Wilk Synthesis of the New Element with Z=117 NUCLEAR REACTIONS 249Bk(48Ca, 4n)293Ts, E=252 MeV;249Bk(48Ca, 3n)294Ts, E=252 MeV; measured Eα, α-decay chains, ER, fission fragments; deduced new element 117, T1/2.
doi: 10.1088/1742-6596/312/4/082026
2011OG04 Phys.Rev. C 83, 054315 (2011) Yu.Ts.Oganessian, F.Sh.Abdullin, P.D.Bailey, D.E.Benker, M.E.Bennett, S.N.Dmitriev, J.G.Ezold, J.H.Hamilton, R.A.Henderson, M.G.Itkis, Yu.V.Lobanov, A.N.Mezentsev, K.J.Moody, S.L.Nelson, A.N.Polyakov, C.E.Porter, A.V.Ramayya, F.D.Riley, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, V.G.Subbotin, R.Sudowe, A.M.Sukhov, R.Taylor, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin, P.A.Wilk Eleven new heaviest isotopes of elements Z = 105 to Z = 117 identified among the products of 249Bk+48Ca reactions RADIOACTIVITY 293,294Ts(α)[from 249Bk(48Ca, xn), E=252 MeV]; 274Bh, 278Mt, 282Rg, 286Nh, 290Mc(α) [from α decay chain of 294Ts]; 281Rg, 285Nh, 289Mc(α)[from α decay chain of 293Ts]; 270Db(SF), (α), (EC)[from α decay of 274Bh]; 281Rg(SF)[from α decay of 285Nh]; measured Eα, half-lives and β decay energies of residues; deduced Q(α). Systematics of α decay half-lives, Q(α) values and β+, EC half-lives of Z=106-118, N=150-175, A=260-295 isotopes. NUCLEAR REACTIONS 249Bk(48Ca, xn)293Ts/294Ts, E=252 MeV; measured production cross sections.
doi: 10.1103/PhysRevC.83.054315
2011RE09 Phys.Rev. C 83, 054610 (2011) J.J.Ressler, J.T.Burke, J.E.Escher, C.T.Angell, M.S.Basunia, C.W.Beausang, L.A.Bernstein, D.L.Bleuel, R.J.Casperson, B.L.Goldblum, J.Gostic, R.Hatarik, R.Henderson, R.O.Hughes, J.Munson, L.W.Phair, T.J.Ross, N.D.Scielzo, E.Swanberg, I.J.Thompson, M.Wiedeking Surrogate measurement of the 238Pu(n, f) cross section NUCLEAR REACTIONS 239Pu(α, α'F), 235U(α, α'F), 236U(α, α'F), E=20-55 MeV; measured particle and fission fragment spectra, α-fission coincidences, cross sections, fission fragment anisotropy ratios. 238Pu, 234,235U(n, F), E=5-20 MeV; deduced fission cross sections using surrogate ratio method. Comparison with previous experimental data and evaluated libraries. Data needs for following reactions for next-generation reactors: 241Pu, 241,242Am, 243,244,245Cm(n, F), E.1 MeV. Potential surrogate and ratio reactions listed.
doi: 10.1103/PhysRevC.83.054610
2010EI01 Radiochim.Acta 98, 133 (2010) R.Eichler, N.V.Aksenov, Yu.V.Albin, A.V.Belozerov, G.A.Bozhikov, V.I.Chepigin, S.N.Dmitriev, R.Dressler, H.W.Gaggeler, V.A.Gorshkov, R.A.Henderson, A.M.Johnsen, J.M.Kenneally, V.Ya.Lebedev, O.N.Malyshev, K.J.Moody, Yu.Ts.Oganessian, O.V.Petrushkin, D.Piguet, A.G.Popeko, P.Rasmussen, A.Serov, D.A.Shaughnessy, S.V.Shishkin, A.V.Shutov, M.A.Stoyer, N.J.Stoyer, A.I.Svirikhin, E.E.Tereshatov, G.K.Vostokin, M.Wegrzecki, P.A.Wilk, D.Wittwer, A.V.Yeremin Indication for a volatile element 114 RADIOACTIVITY 287,288Fl(α); measured atomic properties of element 114; deduced volatility. Comparison with Hg, At, and element 112 (Cn).
doi: 10.1524/ract.2010.1705
2010OG01 Phys.Rev.Lett. 104, 142502 (2010) Yu.Ts.Oganessian, F.Sh.Abdullin, P.D.Bailey, D.E.Benker, M.E.Bennett, S.N.Dmitriev, J.G.Ezold, J.H.Hamilton, R.A.Henderson, M.G.Itkis, Yu.V.Lobanov, A.N.Mezentsev, K.J.Moody, S.L.Nelson, A.N.Polyakov, C.E.Porter, A.V.Ramayya, F.D.Riley, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, V.G.Subbotin, R.Sudowe, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin, P.A.Wilk Synthesis of a New Element with Atomic Number Z = 117 NUCLEAR REACTIONS 249Bk(48Ca, 4n), E=252 MeV; 249Bk(48Ca, 3n) , E=247 MeV;measured Eα, Iα, α-α correlations. 293,294Ts; deduced σ, decay chains, T1/2. RADIOACTIVITY 293,294Ts, 289,290Mc, 285,286Nh, 282Rg, 278Mt, 274Bh(α); measured Eα, Iα, and half-lives. 270Db, 281Rg(SF); measured TKE, and T1/2.
doi: 10.1103/PhysRevLett.104.142502
2010WI14 Nucl.Instrum.Methods Phys.Res. B268, 28 (2010) D.Wittwer, F.Sh.Abdullin, N.V.Aksenov, Yu.V.Albin, G.A.Bozhikov, S.N.Dmitriev, R.Dressler, R.Eichler, H.W.Gaggeler, R.A.Henderson, S.Hubener, J.M.Kenneally, V.Ya.Lebedev, Yu.V.Lobanov, K.J.Moody, Yu.Ts.Oganessian, O.V.Petrushkin, A.N.Polyakov, D.Piguet, P.Rasmussen, R.N.Sagaidak, A.Serov, I.V.Shirokovsky, D.A.Shaughnessy, S.V.Shishkin, A.M.Sukhov, M.A.Stoyer, N.J.Stoyer, E.E.Tereshatov, Yu.S.Tsyganov, V.K.Utyonkov, G.K.Vostokin, M.Wegrzecki, P.A.Wilk Gas phase chemical studies of superheavy elements using the Dubna gas-filled recoil separator - Stopping range determination RADIOACTIVITY 289Fl, 285Cn(α) [from 244Pu(48Ca, 3n)289Fl, E=265 MeV]; measured decay products, Eα, Iα; deduced α-decay chains.
doi: 10.1016/j.nimb.2009.09.062
2009OG02 Phys.Rev. C 79, 024603 (2009) Yu.Ts.Oganessian, V.K.Utyonkov, Yu.V.Lobanov, F.Sh.Abdullin, A.N.Polyakov, R.N.Sagaidak, I.V.Shirokovsky, Yu.S.Tsyganov, A.A.Voinov, A.N.Mezentsev, V.G.Subbotin, A.M.Sukhov, K.Subotic, V.I.Zagrebaev, S.N.Dmitriev, R.A.Henderson, K.J.Moody, J.M.Kenneally, J.H.Landrum, D.A.Shaughnessy, M.A.Stoyer, N.J.Stoyer, P.A.Wilk Attempt to produce element 120 in the 244Pu+58Fe reaction NUCLEAR REACTIONS 244Pu(58Fe, xn)298120/299120, E=330.4 MeV;measured α-particle spectra, (evaporation residues)α-coin, and upper limit of production cross section for Z=120 element. No decay chains for 298120 and 299120 were observed.
doi: 10.1103/PhysRevC.79.024603
2007OG02 Phys.Rev. C 76, 011601 (2007) Yu.Ts.Oganessian, V.K.Utyonkov, Yu.V.Lobanov, F.Sh.Abdullin, A.N.Polyakov, R.N.Sagaidak, I.V.Shirokovsky, Yu.S.Tsyganov, A.A.Voinov, G.G.Gulbekian, S.L.Bogomolov, B.N.Gikal, A.N.Mezentsev, V.G.Subbotin, A.M.Sukhov, K.Subotic, V.I.Zagrebaev, G.K.Vostokin, M.G.Itkis, R.A.Henderson, J.M.Kenneally, J.H.Landrum, K.J.Moody, D.A.Shaughnessy, M.A.Stoyer, N.J.Stoyer, P.A.Wilk Synthesis of the isotope 282113 in the 237Np+48Ca fusion reaction NUCLEAR REACTIONS 237Np(48Ca, 3n)282Nh, E=244 MeV; measured Eα, production cross section and T1/2.
doi: 10.1103/PhysRevC.76.011601
2002EN06 Nucl.Phys. A701, 228c (2002) S.Engel, S.Bishop, A.Chen, C.Dale, J.M.D'Auria, U.Giesen, U.Greife, R.Henderson, D.Hunter, D.Hutcheon, R.Openshaw, J.Rogers, C.Rolfs, A.Shotter Development of Detection Systems for Low-Energy Heavy Ions at DRAGON
doi: 10.1016/S0375-9474(01)01580-9
2002RA15 Nucl.Instrum.Methods Phys.Res. A481, 253 (2002) S.Rakers, F.Ellinghaus, R.Bassini, C.Baumer, A.M.van den Berg, D.Frekers, D.De Frenne, M.Hagemann, V.M.Hannen, M.N.Harakeh, M.Hartig, R.Henderson, J.Heyse, M.A.de Huu, E.Jacobs, M.Mielke, J.M.Schippers, R.Schmidt, S.Y.van der Werf, H.J.Wortche Measuring the (d, 2He) Reaction with the Focal-Plane Detection System of the BBS Magnetic Spectrometer at AGOR NUCLEAR REACTIONS 12C, 24Mg(d, 2p), E=170 MeV; measured proton spectra, correlations. 12B, 24Na deduced levels, J, π.
doi: 10.1016/S0168-9002(01)01365-1
2000QU01 Nucl.Phys. A663-664, 903c (2000) M.A.Quraan, P.Amaudruz, W.Andersson, M.Comyn, Yu.Davydov, P.Depommier, J.Doornbos, W.Faszer, C.A.Gagliardi, D.R.Gill, P.Green, P.Gumplinger, J.C.Hardy, M.Hasinoff, R.Helmer, R.Henderson, A.Khruchinsky, P.Kitching, D.D.Koetke, E.Korkmaz, Y.Lachin, D.Mass, J.A.Macdonald, R.Manweiler, T.Mathie, J.R.Musser, P.Nord, A.Olin, D.Ottewell, R.Openshaw, L.Piilonen, T.Porcelli, J.-M.Poutissou, R.Poutissou, N.L.Rodning, J.Schaapman, V.Selivanov, G.Sheffer, Y.Shin, F.Sobratee, J.Soukup, T.D.S.Stanislaus, G.Stinson, R.Tacik, V.Torokhov, R.E.Tribble, M.A.Vasiliev, H.K.Walter, D.Wright A Precision Measurement of Muon Decay
doi: 10.1016/S0375-9474(99)00793-9
1999MU20 Phys.Rev. C60, 067601 (1999) M.C.Munro, B.M.Spicer, W.P.Alford, A.Celler, R.S.Henderson, K.P.Jackson, S.Koutsoliotas, S.A.Long, S.C.McDonald, C.A.Miller, B.W.Pointon, K.J.Raywood, G.G.Shute, S.Yen The 20Ne(n, p) Reaction at High Momentum Transfer NUCLEAR REACTIONS 20Ne(n, p), E=298 MeV; measured proton spectra, σ(E, θ). Enriched target, DWIA analysis, comparison with large-basis shell model calculations.
doi: 10.1103/PhysRevC.60.067601
1998LO12 Phys.Rev. C57, 3191 (1998) S.A.Long, B.M.Spicer, K.J.Raywood, R.Abegg, W.P.Alford, A.Celler, D.Frekers, P.E.Green, O.Hausser, R.L.Helmer, R.S.Henderson, K.H.Hicks, K.P.Jackson, R.G.Jeppesen, N.S.P.King, C.A.Miller, M.A.Moinester, V.C.Officer, G.G.Shute, A.Trudel, M.C.Vetterli, A.I.Yavin, S.Yen Spin-Isovector Giant Resonances Induced by (n, p) Reactions on Heavy Nuclei NUCLEAR REACTIONS 120Sn, 181Ta(n, p), E=298 MeV; 238U(n, p), E=318 MeV; measured σ(Ep, θ). 90Zr, 208Pb(n, p), E=198 MeV; analyzed σ(Ep, θ). 90Y, 120In, 181Hf, 208Tl, 238Pa deduced L=0, 1, 2, 3 giant resonances energy distributions, quasi-free contributions, comparison with sum rules for L=1, 3. Multipole decomposition procedure.
doi: 10.1103/PhysRevC.57.3191
1997ES05 Phys.Rev. C56, 2607 (1997) M.A.Espy, J.M.O'Donnell, B.Davis, D.Dehnhard, J.L.Langenbrunner, B.Larson, M.Palarczyk, C.M.Riedel, K.Wick, S.Blanchard, G.R.Burleson, W.R.Gibbs, B.Lail, B.Nelson, B.K.Park, Q.Zhao, W.J.Cummings, P.P.J.Delheij, B.K.Jennings, O.Hausser, R.Henderson, D.Thiessen, E.Brash, M.K.Jones, B.Brinkmoller, K.Maeda, F.Merrill, C.L.Morris, S.Penttila, D.Swenson, D.Tupa, C.Bennhold, S.S.Kamalov Asymmetries for Elastic Scattering of π- from Polarized 3He atΔ Resonance Energies NUCLEAR REACTIONS 3He(π+, π+), E=142, 180, 256 MeV; 3He(π-, π-), E=180 MeV; measured σ(θ); deduced asymmetries, Δ-n spin-spin interaction. Optically pumped spin polarized target, large acceptance spectrometer. Model comparisons.
doi: 10.1103/PhysRevC.56.2607
1997HE06 Phys.Rev. C55, 2802 (1997) R.L.Helmer, M.A.Punyasena, R.Abegg, W.P.Alford, A.Celler, S.El-Kateb, J.Engel, D.Frekers, R.S.Henderson, K.P.Jackson, S.Long, C.A.Miller, W.C.Olsen, B.M.Spicer, A.Trudel, M.C.Vetterli Gamow-Teller Strength from the 76Se(n, p)76As Reaction: Implications for the double β decay of 76Ge NUCLEAR REACTIONS 76Se(n, p), E=198 MeV; measured σ(θ). 76As deduced Gamow-Teller strength distribution. 76Ge deduced 2ν-accompanied 2β-decay T1/2. Quasi-particle RPA comparison, other data analyzed.
doi: 10.1103/PhysRevC.55.2802
1996ES04 Phys.Rev.Lett. 76, 3667 (1996) M.A.Espy, D.Dehnhard, C.M.Edwards, M.Palarczyk, J.L.Langenbrunner, B.Davis, G.R.Burleson, S.Blanchard, W.R.Gibbs, B.Lail, B.Nelson, B.K.Park, Q.Zhao, W.J.Cummings, P.P.J.Delheij, B.K.Jennings, R.Henderson, O.Hausser, D.Thiessen, E.Brash, M.K.Jones, B.Larson, B.Brinkmoller, K.Maeda, C.L.Morris, J.M.O'Donnell, S.Penttila, D.Swenson, D.Tupa, C.Bennhold, S.S.Kamalov Asymmetries for Elastic Scattering of π+ from Polarized 3He and the Δ-Neutron Spin-Spin Interaction NUCLEAR REACTIONS 3He(π+, π+), E=142-256 MeV; measured energy spectra, asymmetry vs θ; deduced Δ-n spin-spin interaction role. Polarized target.
doi: 10.1103/PhysRevLett.76.3667
1996LA09 Phys.Rev. C53, 1774 (1996) B.Larson, K.Hicks, O.Hausser, R.Abegg, W.Alford, A.Celler, D.Frekers, R.Helmer, R.Henderson, K.P.Jackson, R.Jeppesen, J.Mildenberger, C.A.Miller, B.Pointon, R.Schubank, M.Vetterli, S.Yen Polarization Transfer in Inelastic Proton Scattering from 4- States in 16O at 350 MeV NUCLEAR REACTIONS 16O(polarized p, p'), E=350 MeV; measured σ(θ), analyzing powers, spin observables. DWIA analysis.
doi: 10.1103/PhysRevC.53.1774
1995BR18 Phys.Rev. C52, 807 (1995) E.J.Brash, O.Hausser, W.J.Cummings, M.Bahrami, P.P.J.Delheij, R.S.Henderson, M.C.Vetterli, D.M.Whittal, B.Larson, R.H.Landau, T.Mefford, L.Ray Spin Observables in Elastic Proton Scattering from Polarized 3He NUCLEAR REACTIONS 3He(polarized p, p), E=200, 500 MeV; measured σ(θ), spin observables vs θ; deduced reaction models test related features. Fully microscopic nonrelativistic optical model. Polarized target.
doi: 10.1103/PhysRevC.52.807
1995HA09 Phys.Lett. 343B, 36 (1995) O.Hausser, B.Larson, W.P.Alford, C.Chan, P.P.J.Delheij, R.S.Henderson, K.P.Jackson, R.H.Landau, T.Mefford, C.A.Miller, A.Rahav, L.Ray, A.Trudel, M.C.Vetterli Elastic Scattering of Polarized Protons from Polarized 3He NUCLEAR REACTIONS 3He(polarized p, p), E=200-500 MeV; measured spin correlation parameters, target related asymmetries. Polarized 3He gas target. Nonrelativistic optical, DWIA models.
doi: 10.1016/0370-2693(94)01434-E
1995WI09 Phys.Rev. C51, 1144 (1995) A.L.Williams, W.P.Alford, E.Brash, B.A.Brown, S.Burzynski, H.T.Fortune, O.Hausser, R.Helmer, R.Henderson, P.P.Hui, K.P.Jackson, B.Larson, M.G.McKinzie, D.A.Smith, A.Trudel, M.Vetterli Gamow-Teller Strength in 60,62,64Ni(n, p) Reactions at 198 MeV NUCLEAR REACTIONS 60,62,64Ni(n, p), E=198 MeV; measured σ(θ, Ep). 60,62,64Co deduced Gamow-Teller transition strength. Multipole analyses.
doi: 10.1103/PhysRevC.51.1144
1994CU04 Nucl.Instrum.Methods Phys.Res. A346, 52 (1994) W.J.Cummings, E.J.Brash, O.Hausser, M.Bahrami, J.Graham, P.Hauser, P.P.J.Delheij, R.S.Henderson, M.C.Vetterli, D.M.Whittal, B.Larson Adiabatic Spin Rotator for a Laser Pumped Polarized 3He Target NUCLEAR REACTIONS 3He(polarized p, p), E=200, 500 MeV; analyzed parity-allowed spin correlation observables measurement feasibility. Adiabatic spin rotator, laser pumped polarized target.
doi: 10.1016/0168-9002(94)90688-2
1994EL05 Phys.Rev. C49, 3128 (1994) S.El-Kateb, K.P.Jackson, W.P.Alford, R.Abegg, R.E.Azuma, B.A.Brown, A.Celler, D.Frekers, O.Hausser, R.Helmer, R.S.Henderson, K.H.Hicks, R.Jeppesen, J.D.King, K.Raywood, G.G.Shute, B.M.Spicer, A.Trudel, M.Vetterli, S.Yen Spin-Isospin Strength Distributions for fp Shell Nuclei: Results for the 55Mn(n, p), 56Fe(n, p), and 58Ni(n, p) reactions at 198 MeV NUCLEAR REACTIONS 55Mn, 56Fe, 58Ni(n, p), E=198 MeV; measured σ(θ, Ep). 55Mn, 56Fe, 58Ni deduced Gamow-Teller transition strength distribution.
doi: 10.1103/PhysRevC.49.3128
1994KR03 Phys.Rev. C49, 1859 (1994) S.A.Kreek, H.L.Hall, K.E.Gregorich, R.A.Henderson, J.D.Leyba, K.R.Czerwinski, B.Kadkhodayan, M.P.Neu, C.D.Kacher, T.M.Hamilton, M.R.Lane, E.R.Sylwester, A.Turler, D.M.Lee, M.J.Nurmia, D.C.Hoffman Electron-Capture Delayed Fission Properties of the New Isotope 238Bk NUCLEAR REACTIONS 241Am(α, 7n), E=75 MeV; measured residue production σ. 238Bk deduced EC-delayed fission probability, T1/2. Isotope obtained by chemical separation, identification from daughter activity measurements. RADIOACTIVITY 238Bk(EC) [from 241Am(α, 7n), E=75 MeV]; measured EC-delayed fission (fragment)(X-ray)-coin, T1/2; deduced delayed fission probability.
doi: 10.1103/PhysRevC.49.1859
1994KR13 Phys.Rev. C50, 2288 (1994) S.A.Kreek, H.L.Hall, K.E.Gregorich, R.A.Henderson, J.D.Leyba, K.R.Czerwinski, B.Kadkhodayan, M.P.Neu, C.D.Kacher, T.M.Hamilton, M.R.Lane, E.R.Sylwester, A.Turler, D.M.Lee, M.J.Nurmia, D.C.Hoffman Electron-Capture Delayed Fission Properties of 228Np RADIOACTIVITY 228Np(EC), (α) [from 233U(p, 6n), E=50 MeV]; measured fission (fragment)(X-ray)-coin; deduced EC-delayed fission T1/2, fission probability, fragment mass yield distribution, EC/α-decay ratio. NUCLEAR REACTIONS, ICPND 233U(p, 6n), E=50 MeV; measured (particle)(X-ray)-coin; deduced residual production σ.
doi: 10.1103/PhysRevC.50.2288
1994LA09 Phys.Rev. C49, 2045 (1994) B.Larson, O.Hausser, J.Alster, M.Bahrami, E.J.Brash, W.J.Cummings, P.P.J.Delheij, R.Henderson, D.Ottewell, A.Rahav, S.Ram, M.C.Vetterli, D.M.Whittal Asymmetries in 100 MeV π+/π--3He(pol) Elastic Scattering NUCLEAR REACTIONS 3He(π+, π+), (π-, π-), E=100 MeV; measured σ(θ), asymmetry vs θ. PWIA, full nonlocal DWIA models, realistic three-body wave functions. Polarized target.
doi: 10.1103/PhysRevC.49.2045
1993AL21 Phys.Rev. C48, 2818 (1993) W.P.Alford, B.A.Brown, S.Burzynski, A.Celler, D.Frekers, R.Helmer, R.Henderson, K.P.Jackson, K.Lee, A.Rahav, A.Trudel, M.C.Vetterli Spin-Isospin Strength Distributions in f-p Shell Nuclei: A study of the 51V(n, p) and 59Co(n, p) reactions at 198 MeV NUCLEAR REACTIONS 51V, 59Co(n, p), E=198 MeV; measured σ(θ, Ep). 51Ti, 59Fe deduced Gamow-Teller, spin-dipole strength distribution. Multipole analysis, model comparison.
doi: 10.1103/PhysRevC.48.2818
1993BR05 Phys.Rev. C47, 2064 (1993) E.J.Brash, O.Hausser, B.Larson, A.Rahav, P.W.Green, P.P.J.Delheij, R.S.Henderson, U.Oelfke, M.C.Vetterli, D.M.Whittal, R.M.Woloshyn Proton-Induced Nucleon Knockout from Polarized 3He at 220 MeV NUCLEAR REACTIONS 3He(polarized p, 2p), (polarized p, np), E=220 MeV; measured σ(θ1, θ2), analyzing power, spin-correlation parameters; deduced rescattering corrections role. Quasielastic kinematics, high pressure polarized gas target.
doi: 10.1103/PhysRevC.47.2064
1993CE03 Phys.Rev. C47, 1563 (1993) A.Celler, S.Yen, W.P.Alford, R.Abegg, B.A.Brown, S.Burzynski, D.Frekers, O.Hausser, R.Helmer, R.S.Henderson, K.Hicks, K.P.Jackson, R.Jeppesen, C.A.Miller, M.A.Moinester, B.W.Pointon, A.Trudel, M.C.Vetterli Search for Gamow-Teller Strength in the Continuum via the 3He(n, p)3H Reaction at 288 MeV NUCLEAR REACTIONS 3He(n, p), E=288 MeV; measured σ(θ), σ(θ, E); deduced model parameters, continuum Gamow-Teller transition strength upper limit.
doi: 10.1103/PhysRevC.47.1563
1993HI01 Phys.Rev. C47, 260 (1993) K.H.Hicks, W.P.Alford, A.Celler, R.S.Henderson, K.P.Jackson, C.A.Miller, M.C.Vetterli, S.Yen, F.Brieva, C.J.Horowitz, J.Piekarewicz Comparison of the Quasifree Charge-Exchange Reaction for 12C and 54Fe NUCLEAR REACTIONS 12C, 54Fe(polarized p, n), E=290, 420 MeV; measured σ(θ), analyzing power A(y)(θ); deduced medium modification of the nucleon-nucleon isovector force.
doi: 10.1103/PhysRevC.47.260
1993PO05 Phys.Rev. C47, 2751 (1993) R.Pourang, J.W.Watson, R.Abegg, M.Ahmad, W.P.Alford, B.D.Anderson, A.R.Baldwin, A.Celler, D.Frekers, O.Hausser, R.Helmer, R.Henderson, K.Hicks, R.Jeppesen, K.P.Jackson, N.S.P.King, R.Madey, C.A.Miller, M.Moinester, M.C.Vetterli, S.Yen High-Spin Stretched States Excited in (n, p) Reactions at 300 MeV NUCLEAR REACTIONS 12C, 28Si, 120Sn(n, p), E=300 MeV; measured spectra, σ(θ). 12B, 28Al, 120In deduced stretched states normalizations. DWIA analysis.
doi: 10.1103/PhysRevC.47.2751
1992AR14 Phys.Rev. C46, 1094 (1992) D.S.Armstrong, A.Serna-Angel, S.Ahmad, G.Azuelos, W.Bertl, M.Blecher, C.Q.Chen, P.Depommier, T.von Egidy, T.P.Gorringe, M.D.Hasinoff, R.S.Henderson, A.J.Larabee, J.A.Macdonald, S.C.McDonald, J.-M.Poutissou, R.Poutissou, B.C.Robertson, D.G.Sample, G.N.Taylor, D.H.Wright, N.S.Zhang Radiative Muon Capture on Al, Si, Ca, Mo, Sn, and Pb NUCLEAR REACTIONS 27Al, 28Si, 40Ca, Mo, Sn, Pb(μ-, γ), E at rest; measured γ yield; deduced induced pseudoscalar coupling constant (g(p)).
doi: 10.1103/PhysRevC.46.1094
1992BE70 Z.Phys. C56, S150 (1992) W.Bertl, S.Ahmad, D.S.Armstrong, G.Azuelos, M.Blecher, C.Q.Chen, P.Depommier, P.Gumplinger, T.P.Gorringe, M.D.Hasinoff, R.Henderson, G.Jonkmans, A.J.Larabee, J.A.Macdonald, S.C.McDonald, J.-M.Poutissou, R.Poutissou, B.C.Robertson, D.G.Sample, W.Schott, G.N.Taylor, T.von Egidy, D.H.Wright, N.S.Zhang Radiative muon capture on hydrogen NUCLEAR REACTIONS 1H(π-, γ), (π-, π0), (μ-, X), (μ+, X), E at rest; measured Eγ, Iγ.
doi: 10.1007/BF02426790
1992ED02 Nucl.Phys. A543, 685 (1992) G.W.R.Edwards, R.Abegg, M.Ahmad, J.M.Cameron, G.H.Coombes, N.Davison, H.Fielding, P.Green, L.G.Greeniaus, I.J.van Heerden, R.Henderson, D.A.Hutcheon, W.Kellner, C.Lapointe, C.A.Miller, G.A.Moss, N.L.Rodning, G.Salomons, J.Soukup, B.Ziegler Forward p(n, d)γ Cross Sections Above the Pion Production Threshold NUCLEAR REACTIONS 1H(n, γ), E=360-460 MeV; measured σ(θ). Model comparison.
doi: 10.1016/0375-9474(92)90554-W
1992GA31 Radiochim.Acta 57, 93 (1992) H.W.Gaggeler, D.T.Jost, J.Kovacs, U.W.Scherer, A.Weber, D.Vermeulen, A.Turler, K.E.Gregorich, R.A.Henderson, K.R.Czerwinski, B.Kadkhodayan, D.M.Lee, M.Nurmia, D.C.Hoffman, J.V.Kratz, M.K.Gober, H.P.Zimmermann, M.Schadel, W.Bruchle, E.Schimpf, I.Zvara Gas Phase Chromatography Experiments with Bromides for Tantalum and Element 105 RADIOACTIVITY 262,263Db(SF) [from 249Bk(18O, X), E=114 MeV]; measured decay products, Eα, Iα; deduced T1/2, σ.
1992GR02 Phys.Rev. C45, 1058 (1992) K.E.Gregorich, H.L.Hall, R.A.Henderson, J.D.Leyba, K.R.Czerwinski, S.A.Kreek, B.A.Kadkhodayan, M.J.Nurmia, D.M.Lee, D.C.Hoffman Fission Branch in 259Lr and Confirmation of 258Lr and 259Lr Mass Assignments RADIOACTIVITY 259,258Lr [from 248Cm(15N, 4n), (15N, 5n), E=93 MeV]; 255,254Fm(α) [from 255,254Md decay following 259,258Lr(α-decay)]; measured α-spectra, αα-correlations. 258Lr deduced T1/2, mass assignment. 259Lr deduced T1/2, SF-decay branch, mass assignment.
doi: 10.1103/PhysRevC.45.1058
1992KA08 Radiochim.Acta 56, 1 (1992) B.Kadkhodayan, R.A.Henderson, H.L.Hall, J.D.Leyba, K.R.Czerwinski, S.A.Kreek, N.J.Hannink, K.E.Gregorich, D.M.Lee, M.J.Nurmia, D.C.Hoffman Identification of 253Md NUCLEAR REACTIONS 243Am(13C, 3n), E=66-74 MeV; measured α-spectra, production σ; deduced evidence for 253Md. RADIOACTIVITY 253Md(α) [from 243Am(13C, 3n), E=66-74 MeV]; measured α-spectra, 252,253Fm growth curves, T1/2.
doi: 10.1524/ract.1992.56.1.1
1992RA03 Phys.Lett. 275B, 259 (1992) A.Rahav, O.Hausser, C.A.Miller, P.P.J.Delheij, W.P.Alford, T.E.Chupp, K.Ferguson, R.S.Henderson, C.D.P.Levy, K.P.Jackson, J.Mildenberger, B.Morrissette, M.C.Vetterli, R.M.Woloshyn Proton-Induced Nucleon Knockout from Polarized 3He at 290 MeV NUCLEAR REACTIONS 3He(polarized p, 2p), (polarized p, np), E=290 MeV; measured spin correlation parameters, beam-, target-related asymmetries; deduced role of proton spin momentum distribution in 3He. Polarized target.
doi: 10.1016/0370-2693(92)91587-Y
1992RA23 Phys.Rev. C46, 1167 (1992) A.Rahav, O.Hausser, R.M.Woloshyn, T.E.Chupp, P.P.J.Delheij, K.Ferguson, R.Henderson, K.P.Jackson, C.D.P.Levy, J.Mildenberger, C.A.Miller, B.Morrissette, M.C.Vetterli Nucleon Knockout from Polarized 3He by Polarized Protons at 290 MeV NUCLEAR REACTIONS 3He(polarized p, 2p), (polarized p, np), E=290 MeV; measured spin observables, σ(θ1, θ2) vs energy transfer; deduced knockout mechanism evidence. Polarized target. Plane wave impulse approximation.
doi: 10.1103/PhysRevC.46.1167
1992TU04 Phys.Rev. C46, 1364 (1992) A.Turler, H.R.von Gunten, J.D.Leyba, D.C.Hoffman, D.M.Lee, K.E.Gregorich, D.A.Bennett, R.M.Chasteler, C.M.Gannett, H.L.Hall, R.A.Henderson, M.J.Nurmia Actinide Production from the Interactions of 40Ca and 44Ca with 248Cm and a Comparison with the 48Ca + 248Cm System NUCLEAR REACTIONS 248Cm(40Ca, X), (44Ca, X), E=231-323 MeV; measured production σ(E) for 227Th to 249Cm; deduced isotopic distribution widths.
doi: 10.1103/PhysRevC.46.1364
1992VE01 Phys.Rev. C45, 997 (1992) M.C.Vetterli, K.P.Jackson, A.Celler, J.Engel, D.Frekers, O.Hausser, R.Helmer, R.Henderson, K.H.Hicks, R.G.Jeppesen, B.Larson, B.Pointon, A.Trudel, S.Yen 70,72Ge(n, p)70,72Ga Reactions: Suppression of Gamow-Teller strength near N = 40 NUCLEAR REACTIONS 70,72Ge(n, p), E=200 MeV; measured σ(θ, E). 70,72Ga deduced Gamow-Teller transition strength quenching.
doi: 10.1103/PhysRevC.45.997
1991BA26 Phys.Rev. C44, 93 (1991) F.T.Baker, L.Bimbot, R.W.Fergerson, C.Glashausser, A.Green, O.Hausser, K.Hicks, K.Jones, C.A.Miller, M.Vetterli, R.Abegg, D.Beatty, B.Bonin, B.Castel, X.Y.Chen, V.Cupps, C.Djalali, R.Henderson, K.P.Jackson, R.Jeppesen, K.Nakayama, S.K.Nanda, R.Sawafta, S.Yen Spin Decomposition of the Responses of 44Ca and 48Ca to 300 MeV Protons NUCLEAR REACTIONS 44Ca(polarized p, p'), E=290 MeV; 48Ca(polarized p, p'), E=318 MeV; measured σ(θ, Ep), analyzing power, spin-flip σ(θ). 44,48Ca deduced giant, spin resonance strength distributions.
doi: 10.1103/PhysRevC.44.93
1991CE01 Phys.Rev. C43, 639 (1991) A.Celler, W.P.Alford, R.Abegg, D.Frekers, O.Hausser, R.Helmer, R.S.Henderson, K.P.Jackson, R.Jeppesen, B.Larson, J.Mildenberger, B.W.Pointon, A.Trudel, M.Vetterli, S.Yen Distribution of Spin Dipole Transition Strength in the 15N(n, p)15C Reaction NUCLEAR REACTIONS 15N(n, p), E=288 MeV; measured σ(θ); deduced ΔL for transitions. Shell model, DWIA, multipole decomposition analyses.
doi: 10.1103/PhysRevC.43.639
1991HA01 Phys.Rev. C43, 230 (1991) O.Hausser, M.C.Vetterli, R.W.Fergerson, C.Glashausser, R.C.Jeppesen, R.D.Smith, R.Abegg, F.T.Baker, A.Celler, R.L.Helmer, R.Henderson, K.Hicks, M.J.Iqbal, K.P.Jackson, K.W.Jones, J.Lisantti, J.Mildenberger, C.A.Miller, R.S.Sawafta, S.Yen Nuclear Response in the 54Fe(p(pol), p(pol)') Reaction at 290 MeV NUCLEAR REACTIONS 54Fe(polarized p, p'), E=290 MeV; measured σ(θ), spin observables, analyzing power, spin-flip probabilities. 54Fe(n, p), E=298 MeV; analyzed data. 54Fe deduced isovector giant dipole, isoscalar giant quadrupole resonance. 54Mn deduced Gamow-Teller transition strength, quenching. Surface RPA model.
doi: 10.1103/PhysRevC.43.230
1991HI05 Phys.Rev. C43, 2554 (1991) K.H.Hicks, A.Celler, O.Hausser, R.Henderson, K.P.Jackson, B.Pointon, J.Rapaport, M.Vetterli, S.Yen Multipole Strength in 16O(n, p)16N at 298 MeV NUCLEAR REACTIONS 16O(n, p), E=298 MeV; measured σ(Ep, θ). 16N deduced Gamow-Teller, spin-dipole transition strength functions.
doi: 10.1103/PhysRevC.43.2554
1991IW01 Phys.Rev. C43, 1099 (1991) M.Iwasaki, A.Trudel, A.Celler, O.Hausser, R.S.Hayano, R.Helmer, R.Henderson, S.Hirenzaki, K.P.Jackson, Y.Kuno, N.Matsuoka, J.Mildenberger, C.A.Miller, H.Outa, H.Sakai, H.Toki, M.Vetterli, Y.Watanabe, T.Yamazaki, S.Yen Search for Deeply Bound Pionic States in 208Pb using the 208Pb(n, p) Reaction at T(n) = 418 MeV NUCLEAR REACTIONS 208Pb(n, p), E=418 MeV; measured σ(θp, Ep), σ(θ=0°). DWIA analysis.
doi: 10.1103/PhysRevC.43.1099
1991LA09 Phys.Rev.Lett. 67, 3356 (1991) B.Larson, O.Hausser, E.J.Brash, C.Chan, A.Rahav, C.Bennhold, P.P.J.Delheij, R.S.Henderson, B.K.Jennings, A.Mellinger, D.Ottewell, A.Trudel, M.C.Vetterli, D.M.Whittal, S.Ram, L.Tiator, S.S.Kamalov Asymmetries in Elastic Scattering of 100 MeV π+ from a Polarized 3He Target NUCLEAR REACTIONS 3He(π+, π+), E=100 MeV; measured σ(θ), analyzing power. Full nonlocal DWIA, realistic three-body Faddeev wave functions. Polarized target.
doi: 10.1103/PhysRevLett.67.3356
1991LE19 Phys.Rev. C44, 1850 (1991) J.D.Leyba, R.A.Henderson, H.L.Hall, K.R.Czerwinski, B.A.Kadkhodayan, S.A.Kreek, E.K.Brady, K.E.Gregorich, D.M.Lee, M.J.Nurmia, D.C.Hoffman Excitation Functions for Actinides Produced in the Interactions of 31P with 248Cm NUCLEAR REACTIONS, ICPND 248Cm(31P, X), E=174-239 MeV; measured σ(E) for Bk, Cf, Es, Fm isotopes production. Potential energy surface calculations comparison.
doi: 10.1103/PhysRevC.44.1850
1991LE22 Nucl.Phys. A532, 583 (1991) P.R.Lewis, G.G.Shute, B.M.Spicer, R.S.Henderson, R.Abegg, D.Frekers, O.Hausser, K.P.Jackson, C.A.Miller, S.Yen Intermediate-Energy Proton Scattering from 10B NUCLEAR REACTIONS 10B(p, p), (p, p'), E=200 MeV; measured σ(θ). Optical model, DWA analyses, density-dependent Bonn t-matrix, other data analyzed.
doi: 10.1016/0375-9474(91)90599-2
1991PO14 Phys.Rev. C44, 2430 (1991) B.W.Pointon, O.Hausser, R.Henderson, A.Celler, K.Hicks, K.P.Jackson, R.Jeppesen, B.Larson, J.Mildenberger, A.Trudel, M.Vetterli, S.Yen Gamow-Teller Strength from the 20Ne(n, p)20F Reaction at E(n) = 198 MeV NUCLEAR REACTIONS 20Ne(n, p), E=198 MeV; measured σ(θ). 20F levels deduced Gamow-Teller, M1 transition strength.
doi: 10.1103/PhysRevC.44.2430
1990AL19 Nucl.Phys. A514, 49 (1990) W.P.Alford, R.L.Helmer, R.Abegg, A.Celler, D.Frekers, P.Green, O.Hausser, R.Henderson, K.Hicks, K.P.Jackson, R.Jeppesen, C.A.Miller, A.Trudel, M.Vetterli, S.Yen, R.Pourang, J.Watson, B.A.Brown, J.Engel Gamow-Teller Strength Observed in the 48Ti(n, p)48Sc Reaction: Implications for the double beta decay of 48Ca NUCLEAR REACTIONS 48Ti(n, p), E=198 MeV; measured σ(θ). 48Sc deduced Gamow-Teller strength distribution. Shell model comparison.
doi: 10.1016/0375-9474(90)90331-F
1990AZ05 Ann.Phys.(Paris) 15, 13 (1990) G.Azuelos, S.Ahmad, D.S.Armstrong, W.Bertl, M.Blecher, R.A.Burnham, C.-Q.Chen, P.Depommier, T.von Egidy, T.P.Gorringe, M.D.Hasinoff, R.Henderson, A.J.Larabee, J.A.MacDonald, S.C.McDonald, J.-M.Poutissou, R.Poutissou, B.C.Robertson, A.Serna-Angel, G.N.Taylor, C.E.Waltham, D.H.Wright, N.-S.Zhang Capture Radiative des Muons sur les Noyaux et le Proton NUCLEAR REACTIONS 1H(μ-, ν), E at rest; analyzed capture reaction data; deduced g(P) inference features.
1990BA14 Phys.Lett. 237B, 337 (1990) F.T.Baker, L.Bimbot, B.Castel, R.W.Fergerson, C.Glashausser, A.Green, O.Hausser, K.Hicks, K.Jones, C.A.Miller, S.K.Nanda, R.D.Smith, M.Vetterli, J.Wambach, R.Abegg, D.Beatty, V.Cupps, C.Djalali, R.Henderson, K.P.Jackson, R.Jeppesen, J.Lisantti, M.Morlet, R.Sawafta, W.Unkelbach, A.Willis, S.Yen The Nuclear Spin Response to Intermediate Energy Protons NUCLEAR REACTIONS 12C, 90Zr, 40,44,48Ca, 24Mg, 54Fe(polarized p, p'), E ≈ 300 MeV; 40Ca(polarized p, p'), E=800 MeV; measured spin-flip transition probability; deduced enhanced spin response features. Continuum RPA.
doi: 10.1016/0370-2693(90)91185-E
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