NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = W.Younes Found 73 matches. 2022MO03 Nucl.Instrum.Methods Phys.Res. A1021, 165864 (2022) M.Monterial, K.T.Schmitt, C.Prokop, E.Leal-Cidoncha, M.Anastasiou, N.S.Bowden, J.Bundgaard, R.J.Casperson, D.A.Cebra, T.Classen, D.H.Dongwi, N.Fotiades, J.Gearhart, V.Geppert-Kleinrath, U.Greife, C.Hagmann, M.Heffner, D.Hensle, D.Higgins, L.D.Isenhower, K.Kazkaz, A.Kemnitz, J.King, J.L.Klay, J.Latta, W.Loveland, J.A.Magee, B.Manning, M.P.Mendenhall, S.Mosby, D.Neudecker, S.Sangiorgio, B.Seilhan, L.Snyder, F.Tovesson, R.S.Towell, N.Walsh, T.S.Watson, L.Yao, W.Younes Measurement of material isotopics and atom number ratio with α-particle spectroscopy for a NIFFTE fission Time Projection Chamber actinide target NUCLEAR REACTIONS 235U, 239Pu(n, F), E not given; measured fission products, Eα, Iα; deduced isotopic concentrations and atomic number ratio.
doi: 10.1016/j.nima.2021.165864
2021MA36 At.Data Nucl.Data Tables 140, 101441 (2021) E.F.Matthews, L.A.Bernstein, W.Younes Stochastically estimated covariance matrices for independent and cumulative fission yields in the ENDF/B-VIII.0 and JEFF-3.3 evaluations
doi: 10.1016/j.adt.2021.101441
2020NE03 Nucl.Data Sheets 163, 228 (2020) D.Neudecker, D.L.Smith, F.Tovesson, R.Capote, M.C.White, N.S.Bowden, L.Snyder, A.D.Carlson, R.J.Casperson, V.Pronyaev, S.Sangiorgio, K.T.Schmitt, B.Seilhan, N.Walsh, W.Younes Applying a Template of Expected Uncertainties to Updating 239Pu(n, f) Cross-section Covariances in the Neutron Data Standards Database
doi: 10.1016/j.nds.2019.12.005
2019BE26 Phys.Rev. C 100, 024607 (2019) G.F.Bertsch, W.Younes, L.M.Robledo Diabatic paths through the scission point in nuclear fission RADIOACTIVITY 236U(SF); calculated scission configurations, energy of Glider configuration with the D1S energy functional, neck parameter neck as a function of deformation for Glider, density distributions of the Glider configurations, overlaps of Glider configurations near the scission point, thermal energy associated with Glider at the scission point, characteristics of the GCM paths through the scission point, energy of the configuration with the D1S energy functional, Glider neck size with the BCPM energy functional, Hartree-Fock potential energy surfaces for 236U along the fission valley constrained by the quadrupole field, fraction of excitation energy in the heavy fragment and total final state excitation energy. Self-consistent mean-field theory with generator coordinate method (GCM) configurations through the scission point, constructed in the Hartree-Fock approximation with axially symmetric mean fields. Relevance to the scission-point statistical model to describe mass yields and excitation energies of fission fragments.
doi: 10.1103/PhysRevC.100.024607
2019BE41 Ann.Rev.Nucl.Part.Sci. 69, 109 (2019) L.A.Bernstein, D.A.Brown, A.J.Koning, B.T.Rearden, C.E.Romano, A.A.Sonzogni, A.S.Voyles, W.Younes Our Future Nuclear Data Needs
doi: 10.1146/annurev-nucl-101918-023708
2019PI01 Nucl.Data Sheets 155, 86 (2019) B.D.Pierson, A.M.Prinke, L.R.Greenwood, S.C.Stave, R.S.Wittman, J.G.Burch, J.T.Burke, S.W.Padgett, J.J.Ressler, G.Slavik, A.Tamashiro, A.Tonchev, W.Younes Improved Cumulative Fission Yield Measurements with Fission Spectrum Neutrons on 235U NUCLEAR REACTIONS 235U(n, F)84Br/89Rb/91Sr/93Y/97Zr/101Mo/105Ru/128Sn/129Sb/130Sb/131Sb/131Te/133I/135I/141Ba/142Ba/142La/89Rb/93Y/128Sn/129Sb/130Sb/94Y/134Te/134I/138Xe, E ∼ 2 MeV; measured fission products, Eγ, Iγ; deduced cumulative fission yields.
doi: 10.1016/j.nds.2019.01.005
2018BE11 Phys.Rev. C 97, 064619 (2018) G.F.Bertsch, W.Younes, L.M.Robledo Scission dynamics with K partitions RADIOACTIVITY 236U(SF); calculated potential energy surfaces, density distributions, shape parameters, and K partitions of g.s. and states close to fission using configuration-interaction (CI) formalism and GCM-constrained HFB configurations; deduced major rearrangement of K occupancy factors at scission point of nuclear fission.
doi: 10.1103/PhysRevC.97.064619
2017YO03 Eur.Phys.J. A 53, 109 (2017) Daniel Gogny's vision for a microscopic theory of fission NUCLEAR REACTIONS 239Pu(n, f), E=thermal-5 MeV; calculated yields. 239Pu(n, f), E=thermal; calculated yields, TKE (Total Kinetic Energy), TXE (Total eXcitation Energy). Compared with data on TXE and TKE.
doi: 10.1140/epja/i2017-12314-6
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
2014FO05 Phys.Rev. C 89, 017303 (2014) N.Fotiades, J.A.Cizewski, R.Krucken, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli, W.Younes High-spin states in 124Te NUCLEAR REACTIONS 173Yb(24Mg, X), E=134.5 MeV; 176Yb(23Na, X), E=129 MeV; measured Eγ, Iγ, γγ-coin following compound nucleus fission using Gammasphere array at LBNL cyclotron facility. 124Te; deduced high-spin levels, J, π, yrast structure, configurations. Systematics of yrast positive-parity structures in 116,118,120,122,124,126,128Sn and 118,120,122,124,126,128,130Te.
doi: 10.1103/PhysRevC.89.017303
2013FO31 Phys.Rev. C 88, 064315 (2013) N.Fotiades, J.A.Cizewski, K.Higashiyama, N.Yoshinaga, E.Teruya, R.Krucken, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli, W.Younes Medium-spin states in 135Cs NUCLEAR REACTIONS 208Pb(18O, X)135Cs, E=91 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere array at LBNL cyclotron facility. 135Cs; deduced high-spin levels, J, π, B(E2), configuration. 85,86Br, 95Y; observed γ from complementary fission fragments. Systematics of level structures in 133I, 134Xe, 135Cs, 136Ba. Comparison with shell-model calculations. NUCLEAR STRUCTURE 135Cs; calculated levels, J, π, B(E2) using shell model. Comparison with experimental data.
doi: 10.1103/PhysRevC.88.064315
2013GR14 Eur.Phys.J. A 49, 114 (2013) T.Granier, R.O.Nelson, T.Ethvignot, M.Devlin, N.Fotiades, P.E.Garrett, W.Younes Measurement of prompt X-rays in 238U(n, f) from threshold to 400 MeV - Investigation of fission charge yield evolution NUCLEAR REACTIONS 238U(n, F), E=0.7-400 MeV; measured prompt Kα, Kβ X-ray emission from fission fragments; deduced atomic X-ray yields per fission; calculated atomic X-ray yields per fission vs neutron energy, mean K X-ray emission probabilities pre fragment vs Z and neutron energy. Compared with published calculations.
doi: 10.1140/epja/i2013-13114-8
2012ES03 Rev.Mod.Phys. 84, 353 (2012) J.E.Escher, J.T.Burke, F.S.Dietrich, N.D.Scielzo, I.J.Thompson, W.Younes Compound-nuclear reaction cross sections from surrogate measurements
doi: 10.1103/RevModPhys.84.353
2012FO25 Eur.Phys.J. A 48, 117 (2012) N.Fotiades, J.A.Cizewski, R.Krucken, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli, W.Younes States built on the 9/2+ isomers in 91, 93Y NUCLEAR REACTIONS 173Yb(24Mg, X), E=134.5 MeV;176Yb(23Na, X), E=129 MeV; measured Eγ, Iγ, γγ-coin. 91,93Y deduced transition scheme, levels, J, π, isomeric states excitation. Deduced nuclear levels systematics around Yb using present work and data.
doi: 10.1140/epja/i2012-12117-3
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
2011BE35 Phys.Rev. C 84, 044308 (2011) R.Bernard, H.Goutte, D.Gogny, W.Younes Microscopic and nonadiabatic Schrodinger equation derived from the generator coordinate method based on zero- and two-quasiparticle states NUCLEAR STRUCTURE 236U; calculated intrinsic excitations, collective modes. Generator coordinate method. Nuclear fission. Collective intrinsic Schrodinger model.
doi: 10.1103/PhysRevC.84.044308
2011BR16 J.Korean Phys.Soc. 59, 1084s (2011) D.Brown, B.Beck, M.-A.Descalle, R.Hoffman, E.Ormand, P.Navratil, N.Summers, I.Thompson, R.Vogt, W.Younes, R.Barnowski Overview of the 2009 Release of the Evaluated Nuclear Data Library (ENDL2009) COMPILATION 27Al(n, γ), (n, X), E=1.E-8-20 MeV;27Al(n, 2n), E=10-20 MeV;181Ta, 187Re(n, γ), (n, x), E=1.E-11-20 MeV;181Ta, 187Re(n, 2n), E=5-20 MeV;76,77,78Kr, 122,123,124Xe(n, X), E=0-20 MeV; calculated, evaluated σ. TALYS code. ENDL2009 library, 585 transport-ready evaluations in neutron sub-library and 35 in charged-particle sub-libraries.
doi: 10.3938/jkps.59.1084
2011DO22 Nucl.Phys. B(Proc.Supp.) S221, 341 (2011) M.J.Dolinski, M.Devlin, N.Fotiadis, P.E.Garrett, R.O.Nelson, E.B.Norman, W.Younes Cross sections for neutron interactions in the CUORE neutrinoless double beta decay experiment
doi: 10.1016/j.nuclphysbps.2011.09.041
2011FO15 Phys.Rev. C 84, 054310 (2011) N.Fotiades, M.Devlin, R.O.Nelson, J.A.Cizewski, R.Krucken, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli, W.Younes States built on the 10+ isomers in 118, 120, 122, 124Sn NUCLEAR REACTIONS 124Sn(n, xn), E=800 MeV; 173Yb(24Mg, X), E=134.5 MeV; 176Yb(23Na, X), E=129 MeV; 208Pb(18O, X), E=91 MeV; measured Eγ, Iγ, γγ-coin, excitation functions for (n, xn) reaction. Gammasphere array for heavy-ion reactions, and GEANIE spectrometer for neutron-induced reactions. 118,120,122,124Sn; deduced levels, J, π above 10+ isomer in fusion-fission reactions, configurations. 95,96,97Nb, 95,96,97,98,99,100Zr, 116,117,119Sn; measured Eγ, γγ-coin for complementary isotopes in the fission process. Systematics of 10+ and 12+ states in A=116-130 even-mass Sn isotopes. Comparison with Shell model calculations.
doi: 10.1103/PhysRevC.84.054310
2011VO12 J.Korean Phys.Soc. 59, 895s (2011) R.Vogt, J.Randrup, J.Pruet, W.Younes Calculation of 239Pu Fission Observables in an Event-by-Event Simulation NUCLEAR REACTIONS 239Pu(n, f), E=0.5-5.5 MeV; calculated prompt σ(En), fragment TKE, average neutron multiplicity, correlation coefficients using FREYA event generator. Comparison to data.
doi: 10.3938/jkps.59.895
2011YO07 Phys.Rev.Lett. 107, 132501 (2011) Nuclear Scission and Quantum Localization RADIOACTIVITY 240Pu(SF); calculated fission fragments distribution and TKE, quasiparticle states, excitation and interaction energies.
doi: 10.1103/PhysRevLett.107.132501
2010FO10 Phys.Rev. C 82, 044306 (2010) N.Fotiades, J.A.Cizewski, R.Krucken, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli, J.A.Becker, W.Younes High-spin states in 96, 97Nb NUCLEAR REACTIONS 173Yb(24Mg, X), E=134.5 MeV; 176Yb(23Na, X), E=129 MeV; measured Eγ, Iγ, γγ-coin following fission of compound nuclei using Gammasphere array. 96,97Nb; deduced levels, J, π, high-spin states. Comparison with level systematics of 95,96Zr. Systematics of first 2+ states in N=48-58, even-A Zr nuclei; first 13/2+ states in A=89-97 Nb nuclei, and low-spin states in 87Nb and 101Nb. 93,94,95Nb, 117,118,119Sn; measured Eγ, Iγ.
doi: 10.1103/PhysRevC.82.044306
2010GO09 Phys.Rev. C 81, 054606 (2010) B.L.Goldblum, S.G.Prussin, L.A.Bernstein, W.Younes, M.Guttormsen, H.T.Nyhus Surrogate ratio methodology for the indirect determination of neutron capture cross sections NUCLEAR REACTIONS 161,162,163Dy(3He, 3He'), (3He, α), E=45 MeV; 164Dy(3He, 3He'), E=38 MeV; measured Eγ, Iγ. 160,161,163Dy(n, γ), E<600 keV; deduced σ using the external surrogate ratio method (SRM).
doi: 10.1103/PhysRevC.81.054606
2009VO08 Phys.Rev. C 80, 044611 (2009) R.Vogt, J.Randrup, J.Pruet, W.Younes Event-by-event study of prompt neutrons from 239Pu(n, f) NUCLEAR REACTIONS 239Pu(n, f), E=0.5-5.5 MeV; analyzed prompt neutron spectra from 0.1 to 10 MeV, fragment kinetic energies and excitation energies for fragment A=80-160, and average neutron multiplicities as a function of fragment mass number using Monte Carlo model FREYA. Comparisons with experimental data and ENDF-B/VII evaluations.
doi: 10.1103/PhysRevC.80.044611
2009YO08 Phys.Rev. C 80, 054313 (2009) Microscopic calculation of 240Pu scission with a finite-range effective force RADIOACTIVITY 226Th, 240Pu(SF); calculated fission fragment shapes, scission lines, quadrupole, octupole, hexadecapole moments of fission fragments, nuclear densities of fission fragments, Hartree-Fock-Bogoliubov energies using Hartree-Fock-Bogoliubov method. 226Th; used as benchmark.
doi: 10.1103/PhysRevC.80.054313
2008GO30 Phys.Rev. C 78, 064606 (2008) B.L.Goldblum, S.G.Prussin, U.Agvaanluvsan, L.A.Bernstein, D.L.Bleuel, W.Younes, M.Guttormsen Determination of (n, γ) cross sections in the rare-earth region using the surrogate ratio method NUCLEAR REACTIONS 171Yb, 161Dy(3He, 3He'), (3He, α), E=38 MeV/nucleon; analyzed neutron energies. 170Yb, 160Dy(n, γ); deduced Eγ, σ. Surrogate ratio method.
doi: 10.1103/PhysRevC.78.064606
2007AL49 Phys.Atomic Nuclei 70, 1634 (2007) E.Algin, A.Schiller, A.Voinov, U.Agvaanluvsan, T.Belgya, L.A.Bernstein, C.R.Brune, R.Chankova, P.E.Garrett, S.M.Grimes, M.Guttormsen, M.Hjorth-Jensen, M.J.Hornish, C.W.Johnson, T.Massey, G.E.Mitchell, J.Rekstad, S.Siem, W.Younes Bulk properties of iron isotopes NUCLEAR REACTIONS 57Fe(3He, α), (3He, 3He'), E=45 MeV; 56Fe(n, γ), E=thermal; 55Mn(d, n), E=7.0 MeV; measured Eγ, Iγ. Deduced nuclear level densities and radiative strength functions. Compared results to model calculations.
doi: 10.1134/S1063778807090232
2007DA21 Phys.Rev. C 75, 054612 (2007) D.Dashdorj, T.Kawano, P.E.Garrett, J.A.Becker, U.Agvaanluvsan, L.A.Bernstein, M.B.Chadwick, M.Devlin, N.Fotiades, G.E.Mitchell, R.O.Nelson, W.Younes Effect of preequilibrium spin distribution on 48Ti + n cross sections NUCLEAR REACTIONS 48Ti(n, n'γ), (n, 2nγ), E=1-35 MeV; calculated discrete γ-ray production cross section using Hauser-Feshbach formalism with spin distribution for the preequlibrium process calculated using the Feshbach-Kerman-Koonin theory. Compared results to experimental data.
doi: 10.1103/PhysRevC.75.054612
2007DA23 Nucl.Instrum.Methods Phys.Res. B261, 948 (2007) D.Dashdorj, G.E.Mitchell, T.Kawano, J.A.Becker, U.Agvaanluvsan, M.B.Chadwick, J.R.Cooper, M.Devlin, N.Fotiades, P.E.Garrett, R.O.Nelson, C.Y.Wu, W.Younes Neutron induced inelastic cross-sections of 150Sm for En = 1-35 MeV NUCLEAR REACTIONS 150Sm(n, γ), E=1-35 MeV; measured Eγ, Iγ, excitation functions and partial γ-ray production cross sections. Compared results to model calculations.
doi: 10.1016/j.nimb.2007.04.161
2007DA24 Nucl.Sci.Eng. 157, 65 (2007) D.Dashdorj, G.E.Mitchell, J.A.Becker, U.Agvaanluvsan, L.A.Bernstein, W.Younes, P.E.Garrett, M.B.Chadwick, M.Devlin, N.Fotiades, T.Kawano, R.O.Nelson Gamma-Ray Production Cross Sections in Multiple Channels for Neutron-Induced Reaction on 48Ti for En = 1 to 200 MeV NUCLEAR REACTIONS 48Ti(n, γX), E=1-200 MeV; measured prompt γ-ray production cross sections. Compared results to model calculations.
doi: 10.13182/NSE07-A2713
2007FO03 Phys.Rev. C 75, 054322 (2007) N.Fotiades, R.O.Nelson, M.Devlin, J.A.Cizewski, J.A.Becker, W.Younes, R.Krucken, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli, T.Ethvignot, T.Granier High-spin states in 135Xe RADIOACTIVITY 135Xe; measured Eγ, Iγ, γγ-coinc. Deduced high spin level structure, J, π. NUCLEAR REACTIONS 136Xe(n, 2nγ), E not given; measured excitation functions.
doi: 10.1103/PhysRevC.75.054322
2006FO13 Phys.Rev. C 74, 034308 (2006) N.Fotiades, A.F.Lisetskiy, J.A.Cizewski, R.Krucken, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli, J.A.Becker, B.A.Brown, M.Horoi, W.Younes First observation of high-spin states in 83Se NUCLEAR REACTIONS 208Pb(18O, F)83Se/138Ba/139Ba/140Ba, E=91 MeV; measured Eγ, Iγ, γγ-coin. 83Se deduced high-spin levels, J, π, configurations. Gammasphere array.
doi: 10.1103/PhysRevC.74.034308
2005FO05 Phys.Rev. C 71, 064312 (2005) N.Fotiades, J.A.Cizewski, R.Krucken, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli, D.P.McNabb, J.A.Becker, L.A.Bernstein, W.Younes High-spin states in N = 50 85Br and 87Rb nuclei NUCLEAR REACTIONS 173Yb(24Mg, X), E=134.5 MeV; 176Yb(23Na, X), E=129 MeV; 208Pb(18O, X), E=91 MeV; measured Eγ, Iγ, γγ-coin following compound nucleus fission. 85Br, 87Rb deduced high-spin levels, J, π, configurations. Comparison with shell model predictions.
doi: 10.1103/PhysRevC.71.064312
2005FO06 Phys.Rev. C 71, 064314 (2005) N.Fotiades, R.O.Nelson, M.Devlin, K.Starosta, J.A.Becker, L.A.Bernstein, P.E.Garrett, W.Younes States in 197Au from the (n, n'γ) reaction NUCLEAR REACTIONS 197Au(n, n'γ), E ≈ 2-12 MeV; measured Eγ, Iγ, γγ-coin, excitation functions. 197Au deduced levels, J, π, configurations.
doi: 10.1103/PhysRevC.71.064314
2005JO10 Phys.Rev. C 71, 044310 (2005) M.S.Johnson, J.A.Cizewski, K.Y.Ding, N.Fotiades, M.B.Smith, J.S.Thomas, W.Younes, J.A.Becker, L.A.Bernstein, K.Hauschild, D.P.McNabb, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, F.S.Stephens Quasicontinuous decay and properties of superdeformed excitations in 195Pb NUCLEAR REACTIONS 174Yb(26Mg, 5n), E=132 MeV; measured Eγ, Iγ, γγ-coin. 195Pb deduced high-spin levels, J, π, superdeformed bands, quasi-continuum decay-out spectra. Gammasphere array.
doi: 10.1103/PhysRevC.71.044310
2005PL03 Phys.Rev. C 71, 051602 (2005) C.Plettner, H.Ai, C.W.Beausang, L.A.Bernstein, L.Ahle, H.Amro, M.Babilon, J.T.Burke, J.A.Caggiano, R.F.Casten, J.A.Church, J.R.Cooper, B.Crider, G.Gurdal, A.Heinz, E.A.McCutchan, K.Moody, J.A.Punyon, J.Qian, J.J.Ressler, A.Schiller, E.Williams, W.Younes Estimation of (n, f) cross sections by measuring reaction probability ratios NUCLEAR REACTIONS 236,238U(d, pF), (d, d'F), E=24, 32 MeV; measured fission probability ratios. Comparison with results from neutron-induced reactions.
doi: 10.1103/PhysRevC.71.051602
2005PL05 J.Phys.(London) G31, S1573 (2005) C.Plettner, H.Ai, C.W.Beausang, L.A.Bernstein, L.Ahle, H.Amro, M.Babilon, J.T.Burke, J.A.Caggiano, R.F.Casten, J.A.Church, J.R.Cooper, B.Crider, G.Gurdal, A.Heinz, E.A.McCutchan, K.Moody, J.A.Punyon, J.Qian, J.J.Ressler, A.Schiller, E.Williams, W.Younes Measuring reaction probability ratios to simulate neutron-induced cross-sections of short-lived nuclei NUCLEAR REACTIONS 236,238U(d, d'F), (d, pF), E=24, 32 MeV; measured fragment yields; deduced fission probability ratios vs excitation energy. Surrogate method for neutron-induced fission cross-section determination.
doi: 10.1088/0954-3899/31/10/035
2004AG05 Phys.Rev. C 70, 054611 (2004) U.Agvaanluvsan, A.Schiller, J.A.Becker, L.A.Bernstein, P.E.Garrett, M.Guttormsen, G.E.Mitchell, J.Rekstad, S.Siem, A.Voinov, W.Younes Level densities and γ-ray strength functions in 170, 171, 172Yb NUCLEAR REACTIONS 171Yb(3He, 3He'), (3He, α), E=45 MeV; measured Eγ, Iγ, (particle)γ-coin. 172Yb(3He, 3He'), (3He, α), E=45 MeV; 173Yb(3He, α), E=45 MeV; analyzed Eγ, Iγ, (particle)γ-coin. 170,171,172Yb deduced level densities, radiative strength functions, pygmy resonance features.
doi: 10.1103/PhysRevC.70.054611
2004FO01 Phys.Rev. C 69, 024601 (2004) N.Fotiades, G.D.Johns, R.O.Nelson, M.B.Chadwick, M.Devlin, W.S.Wilburn, P.G.Young, J.A.Becker, D.E.Archer, L.A.Bernstein, P.E.Garrett, C.A.McGrath, D.P.McNabb, W.Younes Measurements and calculations of 238U(n, xnγ) partial γ-ray cross sections NUCLEAR REACTIONS 238U(n, n'), (n, 2n), (n, 3n), (n, 4n), E=1-100 MeV; measured Eγ, Iγ, σ(E). 238U(n, n'), E < 30 MeV; deduced total σ. 235,236,237,238U deduced levels, transitions. Comparison with model predictions.
doi: 10.1103/PhysRevC.69.024601
2004GA04 Phys.Rev. C 69, 017302 (2004) P.E.Garrett, D.E.Archer, J.A.Becker, L.A.Bernstein, K.Hauschild, E.A.Henry, D.P.McNabb, M.A.Stoyer, W.Younes, G.D.Johns, R.O.Nelson, W.S.Wilburn Rotational bands and isomeric states in 175Lu NUCLEAR REACTIONS 175Lu(n, n'γ), E ≈ 1-800 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin. 175Lu deduced levels, J, π, configurations, rotational bands, isomeric state T1/2.
doi: 10.1103/PhysRevC.69.017302
2003FO04 Phys.Rev. C 67, 034602 (2003) N.Fotiades, J.A.Cizewski, R.Krucken, D.P.McNabb, J.A.Becker, L.A.Bernstein, W.Younes, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli Enhanced production of neutron-deficient fission fragments in heavy-ion-induced fusion reactions NUCLEAR REACTIONS 173Yb, 197Au(24Mg, X), E=134.5 MeV; 176Yb, 197Au(23Na, X), E=129 MeV; measured Eγ, Iγ, γγ-coin following compound nucleus fission; deduced isotopic yields for Te, Xe, Ba, and Ce fragments, enhanced production of neutron-deficient isotopes. 124,132Ba deduced transitions. Gammasphere array, comparison with statistical model predictions.
doi: 10.1103/PhysRevC.67.034602
2003FO09 Phys.Rev. C 67, 064304 (2003) N.Fotiades, J.A.Cizewski, R.Krucken, D.P.McNabb, J.A.Becker, L.A.Bernstein, W.Younes, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli High-spin states in odd-odd 106, 108, 110, 112Rh NUCLEAR REACTIONS 173Yb(24Mg, X), E=134.5 MeV; 176Yb(23Na, X), E=129 MeV; 208Pb(18O, X), E=91 MeV; measured Eγ, Iγ, γγ-coin following compound nucleus fission. 106,108,110,112Rh deduced high-spin levels, J, π, configurations. Gammasphere array, level systematics in neighboring isotopes discussed.
doi: 10.1103/PhysRevC.67.064304
2003GA23 Phys.Rev. C 68, 024312 (2003) P.E.Garrett, W.Younes, J.A.Becker, L.A.Bernstein, E.M.Baum, D.P.DiPrete, R.A.Gatenby, E.L.Johnson, C.A.McGrath, S.W.Yates, M.Devlin, N.Fotiades, R.O.Nelson, B.A.Brown Nuclear structure of the closed subshell nucleus 90Zr studied with the (n, n, 'γ) reaction NUCLEAR REACTIONS 90Zr(n, n'γ), E ≈ 1-20 MeV; measured Eγ, Iγ, γγ-coin, excitation functions, DSA. 90Zr deduced levels, J, π, configurations, T1/2, B(E1), B(E2), B(M1). Geanie array, comparisons with model predictions.
doi: 10.1103/PhysRevC.68.024312
2003SC32 Phys.Rev. C 68, 054326 (2003) A.Schiller, E.Algin, L.A.Bernstein, P.E.Garrett, M.Guttormsen, M.Hjorth-Jensen, C.W.Johnson, G.E.Mitchell, J.Rekstad, S.Siem, A.Voinov, W.Younes Level densities in 56, 57Fe and 96, 97Mo NUCLEAR REACTIONS 57Fe, 97Mo(3He, 3He'), (3He, α), E=45 MeV; measured particle spectra, Eγ, Iγ. 56,57Fe, 96,97Mo deduced level densities. Microscopic model, pairing plus random interaction.
doi: 10.1103/PhysRevC.68.054326
2003YO03 Phys.Rev. C 67, 024610 (2003) Neutron-induced fission cross sections simulated from (t, pf) results NUCLEAR REACTIONS 234U(t, pF), E=15, 18 MeV; analyzed fission probabilities; deduced parameters. 235,235mU(n, F), E=0.1-2.5 MeV; calculated fission σ.
doi: 10.1103/PhysRevC.67.024610
2003YO06 Phys.Rev. C 68, 034610 (2003) Simulated neutron-induced fission cross sections for various Pu, U, and Th isotopes NUCLEAR REACTIONS 239,240,242Pu, 233,234,235,236,238U, 230,232Th(t, pF), E* ≈ 4-9 MeV; analyzed fission probabilities. 240,241,243Pu, 234,235,236,237,238U, 231,233Th(n, F), E ≈ 0.1-2.5 MeV; deduced fission σ. Comparison with previous results.
doi: 10.1103/PhysRevC.68.034610
2002BE08 Phys.Rev. C65, 021601 (2002) L.A.Bernstein, J.A.Becker, P.E.Garrett, W.Younes, D.P.McNabb, D.E.Archer, C.A.McGrath, H.Chen, W.E.Ormand, M.A.Stoyer, R.O.Nelson, M.B.Chadwick, G.D.Johns, W.S.Wilburn, M.Devlin, D.M.Drake, P.G.Young 239Pu(n, 2n)238Pu Cross Section Deduced using a Combination of Experiment and Theory NUCLEAR REACTIONS 239Pu(n, 2n), E < 20 MeV; measured Eγ, Iγ, partial γ-ray σ; deduced σ, possible nuclear structure effects. Comparisons with model predictions. Geanie array.
doi: 10.1103/PhysRevC.65.021601
2002FO03 Phys.Rev. C65, 044303 (2002) N.Fotiades, J.A.Cizewski, J.A.Becker, L.A.Bernstein, D.P.McNabb, W.Younes, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli, A.Holt, M.Hjorth-Jensen High-Spin Excitations in 92, 93, 94, 95Zr NUCLEAR REACTIONS 173Yb(24Mg, X), E=134.5 MeV; measured Eγ, Iγ, γγ-coin following compound nucleus fission. 92,93,94,95Zr deduced high-spin levels, J, π, configurations. Gammasphere array.
doi: 10.1103/PhysRevC.65.044303
2002TA14 Phys.Rev. C65, 064309 (2002) E.Tavukcu, L.A.Bernstein, K.Hauschild, J.A.Becker, P.E.Garrett, C.A.McGrath, D.P.McNabb, W.Younes, P.Navratil, R.O.Nelson, G.D.Johns, G.E.Mitchell, J.A.Cizewski State in 196Pt Observed with the (n, n'γ) Reaction NUCLEAR REACTIONS 196Pt(n, n'γ), E=1-8 MeV; measured Eγ, Iγ, γγ-coin; deduced γ-ray excitation functions. 196Pt deduced levels, J, π. Geanie array, interacting boson model calculations.
doi: 10.1103/PhysRevC.65.064309
2001BE11 Nucl.Phys. A682, 404c (2001) L.A.Bernstein, D.E.Archer, J.A.Becker, P.E.Garrett, K.Hauschild, C.A.McGrath, D.P.McNabb, W.Younes, M.Devlin, D.M.Drake, G.D.Johns, R.O.Nelson Studying the Role of Nuclear Structure Effects in Neutron-Induced Reactions using GEANIE at LANSCE NUCLEAR REACTIONS 92Mo(n, xnypzα)91Nb/88Zr/89Zr/91Mo/92Mo/84Sr, E ≈ 1-600 MeV; measured Eγ, Iγ, γ-ray excitation functions. 91Mo deduced isomer T1/2. 239Pu(n, 2n), E=5-20 MeV; measured σ. 235U(n, F), E=0-250 MeV; measured fission yields. Geanie array.
doi: 10.1016/S0375-9474(00)00667-9
2001GA44 Phys.Rev. C64, 024316 (2001) P.E.Garrett, H.Lehmann, J.Jolie, C.A.McGrath, M.Yeh, W.Younes, S.W.Yates Properties of 112Cd from the (n, n'γ) Reaction: Levels and level densities NUCLEAR REACTIONS 112Cd(n, n'γ), E=1.8-4.2 MeV; measured Eγ, Iγ(θ), γγ-coin, excitation functions. 112Cd deduced levels, J, π, δ, level density parameters.
doi: 10.1103/PhysRevC.64.024316
2001TA31 Phys.Rev. C64, 054614 (2001) E.Tavukcu, L.A.Bernstein, K.Hauschild, J.A.Becker, P.E.Garrett, C.A.McGrath, D.P.McNabb, W.Younes, M.B.Chadwick, R.O.Nelson, G.D.Johns, G.E.Mitchell 196Pt(n, xnypγ) Reactions using Spallation Neutrons from En = 1 to 250 MeV NUCLEAR REACTIONS 196Pt(n, xnyp)184Pt/186Pt/188Pt/190Pt/191Pt/192Pt/193Pt/194Pt/194Pt/196Pt/189Ir/191Ir/193Ir, E=1-250 MeV; measured prompt Eγ, Iγ, γγ-coin; deduced γ-ray excitation functions. Comparison with model predictions.
doi: 10.1103/PhysRevC.64.054614
2001YO10 Phys.Rev. C64, 054613 (2001) W.Younes, J.A.Becker, L.A.Bernstein, P.E.Garrett, C.A.McGrath, D.P.McNabb, R.O.Nelson, G.D.Johns, W.S.Wilburn, D.M.Drake Transition from Asymmetric to Symmetric Fission in the 235U(n, f) Reaction NUCLEAR REACTIONS 235U(n, F), E=1-250 MeV; measured prompt Eγ, Iγ, γγ-coin; deduced γ-ray yields, fission fragment charge and mass distributions vs excitation energy. Disappearance of shell structure at high excitation energy discussed.
doi: 10.1103/PhysRevC.64.054613
2000FO10 Phys.Rev. C61, 064326 (2000) N.Fotiades, J.A.Cizewski, R.Krucken, K.Y.Ding, D.E.Archer, J.A.Becker, L.A.Bernstein, K.Hauschild, D.P.McNabb, W.Younes, S.J.Asztalos, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, G.J.Schmid, F.S.Stephens, K.Vetter Observation of νh11/2 Sequences in Odd A ∼ 110 Nuclei NUCLEAR REACTIONS 173Yb(24Mg, F), E=134.5 MeV; 208Pb(18O, F), E=91 MeV; 176Yb(23Na, F), E=129 MeV; measured Eγ, Iγ, γγ-coin following compound nucleus fission. 107Ru, 113,115,117,119Cd deduced high-spin levels, J, π, configurations. Gammasphere array.
doi: 10.1103/PhysRevC.61.064326
2000FO13 Phys.Scr. T88, 127 (2000) N.Fotiades, J.A.Cizewski, K.Y.Ding, R.Krucken, J.A.Becker, L.A.Bernstein, K.Hauschild, D.P.McNabb, W.Younes, P.Fallon, I.Y.Lee, A.O.Macchiavelli High-Spin Studies of Fission Products in Fusion-Evaporation Reactions NUCLEAR REACTIONS 208Pb(18O, F), E=91 MeV; 176Yb(23Na, F), E=129 MeV; measured Eγ, Iγ, γγ-coin following compound nucleus fission. 173Yb(24Mg, F), E=134.5 MeV; measured Eγ, Iγ, γγ-coin following compound nucleus fission; deduced fission fragments charge and mass distributons. 88,90,91,92Sr, 101Tc, 107Ru, 113,114,115,116,117,118,119,120Cd deduced high-spin levels, J, π.
doi: 10.1238/Physica.Topical.088a00127
2000GA30 Phys.Rev. C62, 014307 (2000) P.E.Garrett, L.A.Bernstein, J.A.Becker, K.Hauschild, C.A.McGrath, D.P.McNabb, W.Younes, E.Tavukcu, G.D.Johns, R.O.Nelson, W.S.Wilburn, S.W.Yates States in 92Mo Observed with the (n, n'γ) Reaction with Spallation Neutrons NUCLEAR REACTIONS 92Mo(n, n'), E=8-800 MeV; measured Eγ, Iγ, γγ-coin. 92Mo deduced levels, J, π. Geanie array.
doi: 10.1103/PhysRevC.62.014307
2000GA46 Phys.Rev. C62, 054608 (2000) P.E.Garrett, L.A.Bernstein, J.A.Becker, K.Hauschild, C.A.McGrath, D.P.McNabb, W.Younes, M.B.Chadwick, G.D.Johns, R.O.Nelson, W.S.Wilburn, E.Tavukcu, S.W.Yates 92Mo(n, xnypzαγ) Reactions for Neutron Energies up to 250 MeV NUCLEAR REACTIONS 92Mo(n, xnypzα)92Mo/91Mo/90Mo/89Mo/88Mo/92Nb/91Nb/90Nb/89Nb/88Nb/91Zr/90Zr/89Zr/88Zr/87Zr/86Zr/88Y/86Y/85Y/84Y/86Sr/85Sr/84Sr/83Sr/82Sr/80Sr, E=2-250 MeV; measured Eγ, Iγ(t), γγ-coin; deduced excitation functions, isomer yields. Comparison with model predictions.
doi: 10.1103/PhysRevC.62.054608
2000MC01 Phys.Rev. C61, 031304 (2000) D.P.McNabb, J.A.Cizewski, T.L.Khoo, T.Lauritsen, K.Hauschild, K.Y.Ding, N.Fotiades, W.Younes, D.E.Archer, R.W.Bauer, J.A.Becker, L.A.Bernstein, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, F.S.Stephens, A.Lopez-Martens, W.H.Kelly Quasicontinuous Decay Spectra of Superdeformed Bands in 192, 194Pb and Energy Gaps in Level Density at Moderate Angular Momenta NUCLEAR REACTIONS 174Yb(25Mg, 5n), E=130.0 MeV; 173Yb(24Mg, 5n), E=134.5 MeV; measured Eγ, Iγ, γγ-coin. 192,194Pb deduced superdeformed band decay quasicontinuum transitions, level density features. Constant temperature level density model.
doi: 10.1103/PhysRevC.61.031304
1998BE21 Phys.Rev. C57, R2799 (1998) L.A.Bernstein, J.A.Becker, W.Younes, D.E.Archer, K.Hauschild, G.D.Johns, R.O.Nelson, W.S.Wilburn, D.M.Drake Probing Reaction Dynamics with the 196Pt(n, xnγ) Reactions for x ≤ 15 NUCLEAR REACTIONS 196Pt(n, xn), E=3-250 MeV; measured Eγ, Iγ; deduced fractional yields. Model comparison.
doi: 10.1103/PhysRevC.57.R2799
1998FO02 Phys.Rev. C57, 1624 (1998) N.Fotiades, J.A.Cizewski, D.P.McNabb, K.Y.Ding, D.E.Archer, J.A.Becker, L.A.Bernstein, K.Hauschild, W.Younes, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod Weak Coupling and Dipole Bands in 191Pb NUCLEAR REACTIONS 173Yb(24Mg, 6n), E=134.5 MeV; measured Eγ, Iγ, γγ(θ). 191Pb deduced high-spin levels, J, π, configurations, M1 dipole bands. Comparison with other Pb isotopes.
doi: 10.1103/PhysRevC.57.1624
1998FO08 Phys.Rev. C58, 1997 (1998) N.Fotiades, J.A.Cizewski, D.P.McNabb, K.Y.Ding, D.E.Archer, J.A.Becker, L.A.Bernstein, K.Hauschild, W.Younes, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod High-Spin Excitations in Ru Nuclei Near N = 60 NUCLEAR REACTIONS 173Yb(24Mg, X), E=134.5 MeV; measured Eγ, Iγ, γγ-coin following compound nucleus fission. 103,105Ru deduced high-spin levels, J, π, configurations. 104,106Ru deduced transitions. Alignment systematics for Ru isotopes discussed.
doi: 10.1103/PhysRevC.58.1997
1997CI07 Z.Phys. A358, 133 (1997) Onset of Deformation in Polonium Nuclei NUCLEAR STRUCTURE 194,196,198,200,202,204,206,208Po; calculated levels, wavefunctions; deduced proton-neutron interaction role in collective motion increase. Particle-core model, QRPA.
doi: 10.1007/s002180050288
1997FO02 Phys.Rev. C55, 1724 (1997) N.Fotiades, W.Younes, J.A.Cizewski, D.P.McNabb, K.Y.Ding, C.N.Davids, R.V.F.Janssens, D.Seweryniak, M.P.Carpenter, H.Amro, P.Decrock, P.Reiter, D.Nisius, L.T.Brown, S.Fischer, T.Lauritsen, J.Wauters, C.R.Bingham, M.Huyse, A.Andreev, L.F.Conticchio Spectroscopy of 192Po NUCLEAR REACTIONS 164Er(32S, 4n), E=164 MeV; measured Eγ, Iγ, (recoil)γγ-, (recoil)γ-coin, Eα, Iα. 192Po deduced levels. Particle-core model. Recoil decay tagging technique. NUCLEAR STRUCTURE 192,194,196,198,200,202,204,206,208Po; analyzed level systematics; deduced model parameters. Particle-core model, quasiparticle RPA.
doi: 10.1103/PhysRevC.55.1724
1997HA24 Phys.Rev. C55, 2819 (1997) K.Hauschild, L.A.Bernstein, J.A.Becker, D.E.Archer, R.W.Bauer, D.P.McNabb, J.A.Cizewski, K.-Y.Ding, W.Younes, R.Krucken, R.M.Diamond, R.M.Clark, P.Fallon, I.-Y.Lee, A.O.Macchiavelli, R.MacLeod, G.J.Schmid, M.A.Deleplanque, F.S.Stephens, W.H.Kelly Yrast Superdeformed Band in 194Pb: J(π) and E(x) NUCLEAR REACTIONS 174Yb(25Mg, 5n), E=130 MeV; measured Eγ, Iγ, γγ-coin. 194Pb deduced superdeformed band levels, J, π, linking transitions.
doi: 10.1103/PhysRevC.55.2819
1997MC02 Phys.Rev. C56, 2474 (1997) D.P.McNabb, J.A.Cizewski, K.Y.Ding, N.Fotiades, D.E.Archer, J.A.Becker, L.A.Bernstein, K.Hauschild, W.Younes, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod Decay and Properties of the Yrast Superdeformed Band in 192Pb NUCLEAR REACTIONS 173Yb(24Mg, 5n), E=134.5 MeV; measured Eγ, Iγ, γγ-coin. 192Pb deduced high-spin, superdeformed levels, band structure, possible discrete linking transition.
doi: 10.1103/PhysRevC.56.2474
1997YO03 Phys.Rev. C55, 1218 (1997) Systematical Behavior of Even-A Polonium Isotopes NUCLEAR STRUCTURE 194,196,198,200,202,204,206,208,210Po; calculated levels, B(λ); deduced little evidence for particle-hole excitations across Z=82 shell gap. Particle-core, quasiparticle RPA models.
doi: 10.1103/PhysRevC.55.1218
1996BA54 Phys.Rev. C54, 1106 (1996) G.Baldsiefen, M.A.Stoyer, J.A.Cizewski, D.P.McNabb, W.Younes, J.A.Becker, L.A.Bernstein, M.J.Brinkman, L.P.Farris, E.A.Henry, J.R.Hughes, A.Kuhnert, T.F.Wang, B.Cederwall, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, J.Oliveira, F.S.Stephens, J.Burde, D.T.Vo, S.Frauendorf Shears Bands in 193Pb NUCLEAR REACTIONS 174Yb(24Mg, 5n), E=129, 131, 134 MeV; measured Eγ, Iγ, directional correlations. 193Pb deduced high-spin levels, J, π, band structure, B(λ), single-particle configurations of M1 bands. Tilted axis cranking model analysis.
doi: 10.1103/PhysRevC.54.1106
1996BR07 Phys.Rev. C53, R1461 (1996) M.J.Brinkman, J.A.Becker, I.Y.Lee, L.P.Farris, E.A.Henry, R.W.Hoff, J.R.Hughes, M.A.Stoyer, L.A.Bernstein, J.A.Cizewski, H.Q.Jin, W.Younes, B.Cederwall, M.A.Deleplanque, R.M.Diamond, P.Fallon, A.O.Macchiavelli, F.S.Stephens, W.H.Kelly, D.T.Vo, J.E.Draper, C.Duyar, E.Rubel Decay from a Superdeformed Band in 194Pb NUCLEAR REACTIONS 174Yb(25Mg, 5n), E=130 MeV; measured γγ-coin. 194Pb deduced superdeformed band levels J, π, decay features.
doi: 10.1103/PhysRevC.53.R1461
1996MC01 Phys.Rev. C53, R541 (1996) D.P.McNabb, G.Baldsiefen, L.A.Bernstein, J.A.Cizewski, H.-Q.Jin, W.Younes, J.A.Becker, L.P.Farris, E.A.Henry, J.R.Hughes, C.S.Lee, S.J.Asztalos, B.Cederwall, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, F.S.Stephens Superdeformation in 198Po NUCLEAR REACTIONS 174Yb(29Si, 5n), E=148 MeV; measured Eγ, Iγ. 198Po deduced superdeformed band levels, dynamic moments of inertia.
doi: 10.1103/PhysRevC.53.R541
1995BE31 Phys.Rev. C52, 621 (1995) L.A.Bernstein, J.A.Cizewski, H.-Q.Jin, W.Younes, R.G.Henry, L.P.Farris, A.Charos, M.P.Carpenter, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, I.G.Bearden, D.Ye, J.A.Becker, E.A.Henry, M.J.Brinkman, J.R.Hughes, A.Kuhnert, T.F.Wang, M.A.Stoyer, R.M.Diamond, F.S.Stephens, M.A.Deleplanque, A.O.Macchiavelli, I.Y.Lee, B.Cederwall, J.R.B.Oliveira, J.Burde, P.Fallon, C.Duyar, J.E.Draper, E.Rubel, D.T.Vo Onset of Collectivity in Neutron Deficient 196,198Po NUCLEAR REACTIONS 172Yb(28Si, 4n), E=141, 142, 145 MeV; 174Yb(29Si, 5n), E=141, 146 MeV; measured Eγ, Iγ, γ(θ), γγ-coin, DCO ratios. 196,198Po deduced levels, J, π, γ-multipolarity, B(λ) ratios, γ-ray branching ratios. Single-particle, vibrational phonon models, systematics of the Po isotopes studied.
doi: 10.1103/PhysRevC.52.621
1995BE36 Phys.Rev. C52, R1171 (1995) L.A.Bernstein, J.R.Hughes, J.A.Becker, L.P.Farris, E.A.Henry, S.J.Asztalos, B.Cederwall, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, F.S.Stephens, J.A.Cizewski, W.Younes Superdeformation in 154Er NUCLEAR REACTIONS 118Sn(40Ar, 4n), E=185 MeV; measured γγ-coin, Eγ, Iγ(θ). 154Er deduced superdeformed band to high-spin states transitions.
doi: 10.1103/PhysRevC.52.R1171
1995YO02 Phys.Rev. C52, R1723 (1995) W.Younes, J.A.Cizewski, H.-Q.Jin, L.A.Bernstein, D.P.McNabb, C.N.Davids, R.V.F.Janssens, T.L.Khoo, C.J.Lister, D.J.Blumenthal, M.P.Carpenter, D.Henderson, R.G.Henry, T.Lauritsen, D.T.Nisius, H.T.Penttila, M.W.Drigert Spectroscopy of 194Po NUCLEAR REACTIONS 170Yb(28Si, 4n), E=142 MeV; measured Eγ, Iγ, γ(evaporation residue)-coin. 194Po deduced levels, possible J, π. Anharmonic vibrator model.
doi: 10.1103/PhysRevC.52.R1723
1994HU10 Phys.Rev. C50, R1265 (1994) J.R.Hughes, J.A.Becker, M.J.Brinkman, L.P.Farris, E.A.Henry, R.W.Hoff, M.A.Stoyer, B.Cederwall, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, F.S.Stephens, J.A.Cizewski, L.A.Bernstein, W.Younes, H.-Q.Jin, J.E.Draper, C.Duyar, E.Rubel, W.H.Kelly, D.T.Vo Excitations in Doubly-Magic Superdeformed 194Pb NUCLEAR REACTIONS 174Yb(25Mg, 5n), E=130 MeV; measured Eγ, Iγ, γγ-coin. 194Pb deduced excited superdeformed high-spin bands.
doi: 10.1103/PhysRevC.50.R1265
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