NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = L.A.Bernstein Found 147 matches. Showing 1 to 100. [Next]2024GO02 Nucl.Instrum.Methods Phys.Res. A1061, 169120 (2024) J.M.Gordon, J.C.Batchelder, L.A.Bernstein, D.L.Bleuel, C.A.Brand, J.A.Brown, B.L.Goldblum, B.G.Frandsen, T.A.Laplace, T.Nagel GENESIS: Gamma Energy Neutron Energy Spectrometer for Inelastic Scattering NUCLEAR REACTIONS 56Fe(n, p), (n, n'), E not given; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, the operating characteristics and capabilities of the array. A new spectrometer, GENESIS, was constructed at the 88-Inch Cyclotron at Lawrence Berkeley National Laboratory.
doi: 10.1016/j.nima.2024.169120
2023BU09 Phys.Rev. C 108, 024609 (2023) N.Burahmah, J.R.Griswold, L.H.Heilbronn, L.A.Bernstein, A.S.Voyles, J.T.Morrell, M.Zach, R.Copping 229Pa cross section measurements via deuteron irradiation of 232Th NUCLEAR REACTIONS 232Th(d, n)233Pa, 232Th(d, 2n)232Pa, 232Th(d, 4n)230, Pa232Th(d, 5n)229Pa, 232Th(d, 6n)228Pa, E=31.0, 35.2, 41.4, 49.6 MeV; measured Eγ, Iγ; deduced σ(E). Comparison other experimental data and to the calculations made with TALYS-1.9, EMPIRE-3.2.3, CoH-3.5.4, PHITS-3.1 and ALICE-2020 codes. Irradiation took place at the Lawrence Berkeley National Laboratory 88-Inch Cyclotron. Isotope of Pa in the irradiated target was chemically separated and activity was measured with HPGe coaxial detector at Oak Ridge National Laboratory.
doi: 10.1103/PhysRevC.108.024609
2023LE14 Eur.Phys.J. N 9, 33 (2023) A.M.Lewis, D.Neudecker, A.D.Carlson, D.L.Smith, I.Thompson, A.Wallner, D.P.Barry, L.A.Bernstein, R.C.Block, S.Croft, Y.Danon, M.Drosg, R.C.Haight, M.W.Herman, H.Y.Lee, N.Otuka, H.Sjostrand, V.Sobes Templates of expected measurement uncertainties for neutron-induced capture and charged-particle production cross section observables
doi: 10.1051/epjn/2023015
2023MO19 Phys.Rev. C 108, 024616 (2023) J.T.Morrell, A.S.Voyles, J.C.Batchelder, J.A.Brown, L.A.Bernstein Secondary neutron production from thick target deuteron breakup NUCLEAR REACTIONS Be(d, n), E=33, 40 MeV; measured neutron time-of-flight, En, In, Eγ, Iγ; deduced neutron yields, angular distributions, neutron spectra. Zn, Ti(d, n), E=33, 40 MeV; measured neutron time-of-flight, En, In, Eγ, Iγ; deduced isotopes production yields for 64Cu, 67Cu, 44Sc, 47Sc. 9Be, Li, Cu, C(d, n), E<60 MeV; calculated total neutron producing σ(E), deuteron breakup, compound (evaporation) and preequilibrium components of neutron producing σ(E), energy and angle distributions of the outgoing neutrons from the deuteron breakup component, deuteron transmission factor in the thick target, neutron yields from thick target. Activation experiment at Lawrence Berkeley National Laboratory's 88-Inch Cyclotron.
doi: 10.1103/PhysRevC.108.024616
2022BL06 Appl.Radiat.Isot. 190, 110509 (2022) D.L.Bleuel, S.G.Anderson, L.A.Bernstein, J.A.Brown, J.A.Caggiano, B.L.Goldblum, J.M.Gordon, J.M.Hall, K.P.Harrig, M.S.Johnson, T.A.Laplace, R.A.Marsh, M.E.Montague, A.Ratkiewicz, B.Rusnak, C.A.Velsko The 40Ar(d, p)41Ar cross section between 3-7 MeV NUCLEAR REACTIONS 40Ar(d, p), E=3.6, 5.5, 7 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with available data, TALYS calculations. Lawrence Berkeley National Laboratory's 88-Inch Cyclotron.
doi: 10.1016/j.apradiso.2022.110509
2022KO12 Phys. Rev. Res. 4, 021001 (2022) K.Kolos, V.Sobes, R.Vogt, C.E.Romano, M.S.Smith, L.A.Bernstein, D.A.Brown, M.T.Burkey, Y.Danon, M.A.Elsawi, B.L.Goldblum, L.H.Heilbronn, S.L.Hogle, J.Hutchinson, B.Loer, E.A.McCutchan, M.R.Mumpower, E.M.O'Brien, C.Percher, P.N.Peplowski, J.J.Ressler, N.Schunck, N.W.Thompson, A.S.Voyles, W.Wieselquist, M.Zerkle Current nuclear data needs for applications
doi: 10.1103/PhysRevResearch.4.021001
2022UD01 Molecules 27, 768 (2022) M.S.Uddin, S.M.Qaim, B.Scholten, M.S.Basunia, L.A.Bernstein, I.Spahn, B.Neumaier Positron Emission Intensity in the Decay of 86gY for Use in Dosimetry Studies RADIOACTIVITY 86Y(β+), (EC); measured decay products, Eγ, Iγ, X-rays; deduced γ-ray energies, positron emission and electron capture intensities. PET nuclide. Comparison with available data.
doi: 10.3390/molecules27030768
2022UD02 Eur.Phys.J. A 58, 67 (2022) M.S.Uddin, M.S.Basunia, S.Sudar, B.Scholten, S.Spellerberg, A.S.Voyles, J.T.Morrell, M.B.Fox, I.Spahn, O.Felden, R.Gebel, L.A.Bernstein, B.Neumaier, S.M.Qaim Excitation functions of proton-induced nuclear reactions on 86Sr, with particular emphasis on the formation of isomeric states in 86Y and 85Y NUCLEAR REACTIONS 86Sr(p, X)86Y/85Y/84Rb/83Rb, E<44 MeV; measured reaction products, Eγ, Iγ; deduced ground and isomeric state σ and uncertainties. Comparison with TALYS nuclear model calculations. BC 1710 cyclotron at FZJ, Germany, 88-Inch Cyclotron, Lawrence Berkeley National Laboratory (LBNL), USA, the Julich Isochronous Cyclotron (JULIC) at FZJ, Germany.
doi: 10.1140/epja/s10050-022-00714-w
2022UD03 Radiochim.Acta 111, 81 (2022) M.S.Uddin, M.S.Basunia, I.Spahn, S.Spellerberg, R.Khan, M.M.Uddin, L.A.Bernstein, B.Neumaier, S.M.Qaim Cross sections and calculated yields of some radionuclides of yttrium, strontium and rubidium formed in proton-induced reactions on enriched strontium-86: possibility of production of 85gSr, 83Rb and 82mRb in no-carrier-added form NUCLEAR REACTIONS 86Sr(p, 3n)84mY, 86Sr(p, nα)82mRb, 86Sr(p, x)85gSr, E<44.1 MeV; Sr(n, γ)85gSr, E thermal; measured reaction products, Eγ, Iγ; deduced σ. Comparison with TALYS calculations. BC1710, JULIC a FZJ, and 88-Inch LBNL cyclotrons, the TRIGA Mark-II reactor at AERE, Savar.
doi: 10.1515/ract-2022-0086
2021BL04 Appl.Radiat.Isot. 170, 109625 (2021) D.L.Bleuel, L.A.Bernstein, R.A.Marsh, J.T.Morrell, B.Rusnak, A.S.Voyles Precision measurement of relative γ-ray intensities from the decay of 61Cu NUCLEAR REACTIONS Ni(d, X)61Cu, E<31 MeV; Cu(p, X)61Cu, E<57 MEV; measured reaction products, Eγ, Iγ; deduced impact on the IAEA-recommended beam monitor σ. RADIOACTIVITY 61Cu(EC); measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities. Comparison with ENSDF/NDS values.
doi: 10.1016/j.apradiso.2021.109625
2021CH12 Appl.Radiat.Isot. 171, 109647 (2021) R.K.Chapman, A.S.Voyles, N.Gharibyan, L.A.Bernstein, J.E.Bevins Measurement of the 160Gd(p, n)160Tb excitation function from 4-18 MeV using stacked-target activation NUCLEAR REACTIONS 160Gd(p, n), E=4-18 MeV; measured reaction products, Eγ, Iγ; deduced σ and uncertainties. Comparison with EMPIRE-3.2.3, TALYS-1.9, CoH-3.5.3, ALICE-2017 calculations.
doi: 10.1016/j.apradiso.2021.109647
2021FO05 Phys.Rev. C 103, 034601 (2021) M.B.Fox, A.S.Voyles, J.T.Morrell, L.A.Bernstein, A.M.Lewis, A.J.Koning, J.C.Batchelder, E.R.Birnbaum, C.S.Cutler, D.G.Medvedev, F.M.Nortier, E.M.O'Brien, C.Vermeulen Investigating high-energy proton-induced reactions on spherical nuclei: Implications for the preequilibrium exciton model NUCLEAR REACTIONS 93Nb(p, X)72Se/73As/74As/75Se/81Rb/82mRb/83Rb/83Sr/84Rb/85mY/86Rb/86Y/86Zr/87Y/87mY/88Y/88Zr/89Zr/90Nb/90Mo/91mNb/92mNb/93mNb, E=192.38, 177.11, 163.31, 148.66, 133.87, 119.8, 104.2, 91.21, 79.32, 72.52, 67.14, 63.06, 60.08, 57.47, 55.58, 53.62, 51.61 MeV; 93Nb(p, 4n)90Mo, (p, 3np)90Nb, (p, nα)89Zr, (p, 3n2p)89Zr, (p, 3npα)86Y, (p, 2α)88Zr, (p, n)93mMo, (p, np)92mNb, (p, 3nα)87Zr, (p, npα)88Y, (p, 4nα)86Zr, (p, 4np)89Nb, (p, 2npα)87Y, (p, np2α)84Rb, E=25-200 MeV; 139La(p, 5n)135Ce, (p, 6n)134Ce, (p, 4np)135La, (p, 7n)133mCe, (p, 3nα)133Ba/133mBa, (p, 3n)137Ce/137mCe, (p, n)139Ce, (p, 8n)132Ce, (p, 6np)133La, (p, 3npα)132Cs, (p, 5nα)131Ba, E=20-100 MeV; measured Eγ, Iγ, σ(E) by activation method in a Tri-lab collaboration among the Lawrence Berkeley, Los Alamos, and Brookhaven National Laboratories. Comparison with literature data, and with calculations of the nuclear model codes: TALYS, CoH, EMPIRE, and ALICE; deduced best parametrization for the preequilibrium two-component exciton model.
doi: 10.1103/PhysRevC.103.034601
2021FO13 Phys.Rev. C 104, 064615 (2021) M.B.Fox, A.S.Voyles, J.T.Morrell, L.A.Bernstein, J.C.Batchelder, E.R.Birnbaum, C.S.Cutler, A.J.Koning, A.M.Lewis, D.G.Medvedev, F.M.Nortier, E.M.O'Brien, Ch.Vermeulen Measurement and modeling of proton-induced reactions on arsenic from 35 to 200 MeV NUCLEAR REACTIONS 75As(p, X)56Co/57Co/58Co/60Co/65Zn/69mZn/66Ga/67Ga/68Ga/72Ga/66Ge/68Ge/69Ge/70As/71As/72As/73As/74As/72Se/73Se/75Se, E=35-200 MeV; Cu(p, X)44mSc/46Sc/47Sc/48V/48Cr/49Cr/51Cr/52Mn/54Mn/56Mn/55Co/56Co/57Co/60Co/56Ni/57Ni/59Fe/60Cu/61Cu/64Cu/62Zn/63Zn/65Zn, E=35-200 MeV; Ti(p, X)42K/43K/43Sc/44Sc/44mSc/46Sc/47Sc/48Sc/44Ti/47Ca/48V, E=35-200 MeV; measured production σ(E) using stacked-target technique, and off-line γ-ray spectrometry, Eγ, Iγ at the LBNL 88-Inch Cyclotron for E(p)<55 MeV, at LANL, IPF for E(p)=50-100 MeV, and at BNL, BLIP for E(p)=100-200 MeV. 75As(p, 4n)72Se, (p, 3n)73Se, (p, 3np)72As, (p, X)56Co/57Co/58Co/60Co/65Zn/69mZn/66Ga/67Ga/68Ga/72Ga/66Ge/68Ge/69Ge/70As/71As/73As/74As/75Se, E=25-200 MeV; Ti(p, X)44Sc/44mSc, E=10-200 MeV; Ti(p, X)42K/43K/43Sc/44Sc/44mSc/46Sc/47Sc/48Sc/47Ca/44Ti/48V, E=25-200 MeV; Cu(p, X)44mSc/46Sc/47Sc/48V/48Cr/49Cr/51Cr/52Mn/54Mn/56Mn/55Co/56Co/57Co/60Co/56Ni/57Ni/59Fe/60Cu/61Cu/64Cu/62Zn/63Zn/65Zn, E=25-200 MeV; comparison of measured s(E) in the present work and previous experiments with theoretical cross sections using ALICE-20, CoH-3.5.3, EMPIRE-3.2.3, TALYS-1.95 and TENDL-2019. 75As(p, n)75Se, (p, np)74As, E<200 MeV; 75As(p, 3n)73Se, (p, 2np)73As, (p, 4n)72Se, (p, X)71As/69Ge/68Ga/67Ga, E=25-200; TALYS default and adjusted σ(E) calculations for residual products. 75As(p, 3np)72As, (p, X)72Ga/70As/65Zn/69mZn/68Ge/66Ge/66Ga/56Co/57Co/58Co/60Co, E=25-200 MeV; TALYS default and adjusted calculations extended to residual products not used in the parameter adjustment sensitivity studies. 68,71,73As, 72,73Se, 69Ge, 67,69Ga; adjusted level density scalings in global fitting procedure for residual products. Relevance to production cross sections for positron emission tomography (PET) generator system of 72Se/72As and 68Ge/68Ga.
doi: 10.1103/PhysRevC.104.064615
2021GJ01 Phys.Rev. C 103, 034609 (2021) D.Gjestvang, S.Siem, F.Zeiser, J.Randrup, R.Vogt, J.N.Wilson, F.Bello-Garrote, L.A.Bernstein, D.L.Bleuel, M.Guttormsen, A.Gorgen, A.C.Larsen, K.L.Malatji, E.F.Matthews, A.Oberstedt, S.Oberstedt, T.Tornyi, G.M.Tveten, A.S.Voyles Excitation energy dependence of prompt fission γ-ray emission from 241Pu NUCLEAR REACTIONS 240Pu(d, pF)241Pu*, E=13.5 MeV; measured outgoing protons using SiRi, a silicon ΔE-E detector, fission fragments using NIFF, consisting of four parallel plate avalanche counters (PPACs), prompt fission γ rays (PFG), (particle)γ-coin using Oslo Scintillator Array (OSCAR) of 30 LaBr3:Ce scintillators for γ radiation at the Oslo Cyclotron Laboratory; deduced average total PFG multiplicity per fission, average total PFG energy released per fission, and the average PFG energy in the excitation range of 5.75-8.25 MeV. Comparison with simulations using the fission model FREYA, with previous experimental results, and evaluation in ENDF/B-VIII.0.
doi: 10.1103/PhysRevC.103.034609
2021HU05 Nucl.Instrum.Methods Phys.Res. A995, 165095 (2021) A.M.Hurst, L.A.Bernstein, T.Kawano, A.M.Lewis, K.Song The Baghdad Atlas: A relational database of inelastic neutron-scattering (n, n'γ) data NUCLEAR REACTIONS 56Fe(n, n'γ), (n, p), B, 110Pd(n, n'γ), E<15 MeV; analyzed available data from Baghdad reactor; deduced σ and uncertainties. Comparison with COH3 calculations, ENDF/B-VIII.0 and EXFOR libraries.
doi: 10.1016/j.nima.2021.165095
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
2021VO05 Eur.Phys.J. A 57, 94 (2021); Erratum Eur.Phys.J. A 57, 131 (2021) A.S.Voyles, A.M.Lewis, J.T.Morrell, M.S.Basunia, L.A.Bernstein, J.W.Engle, S.A.Graves, E.F.Matthews Proton-induced reactions on Fe, Cu, and Ti from threshold to 55 MeV NUCLEAR REACTIONS Fe(p, X)48Cr/48V/49Cr/51Mn/51Cr/52Fe/52Mn/54Mn/55Co/56Mn/56Co/57Co/58Co, Cu(p, X)54Mn/57Ni/57Cu/60Co/60Cu/61Co/61Cu, Ti(p, X)43K/44Sc/47Sc/48Sc, E=4-55 MeV; measured reaction products, Eγ, Iγ; deduced independent and cumulative σ. Comparison with EMPIRE, CoH, and ALICE nuclear model code calculations.
doi: 10.1140/epja/s10050-021-00401-2
2020BA30 Phys.Rev. C 101, 064619 (2020) M.S.Basunia, J.T.Morrell, M.S.Uddin, A.S.Voyles, C.D.Nesaraja, L.A.Bernstein, E.Browne, M.J.Martin, S.M.Qaim Resolution of a discrepancy in the γ-ray emission probability from the β decay of 137Ceg RADIOACTIVITY 137Ce(β+), 137mCe(IT)[from 139La(p, 3n), E=57 MeV]; 85,85mY(β+), (EC)[from 86Sr(p, 2n), E=27 MeV]; 85Sr(IT); measured Eγ, Iγ at LBNL cyclotron facility; deduced emission probabilities for gamma rays with the ground and isomeric states in transient equilibrium and using the Bateman equations. Comparison with previous experimental values. Discussed discrepancies of gamma-ray emission probabilities in literature.
doi: 10.1103/PhysRevC.101.064619
2020BE02 Nucl.Instrum.Methods Phys.Res. B468, 81 (2020) K.V.Becker, E.Vermeulen, C.J.Kutyreff, E.M.O'Brien, J.T.Morrell, E.R.Birnbaum, L.A.Bernstein, F.M.Nortier, J.W.Engle Cross section measurements for proton induced reactions on natural La NUCLEAR REACTIONS La(p, X)22Na/24Na/56Co/58Co/65Zn/132Ce/133Ce/134Ce/135Ce/137Ce/139Ce/135La/131Ba/133Ba/132Cs, E < 100 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with TENDL 2017.
doi: 10.1016/j.nimb.2020.02.024
2020KI22 J.Low Temp.Physics 199, 1055 (2020) G.B.Kim, S.T.P.Boyd, R.H.Cantor, A.S.Voyles, J.T.Morrell, L.A.Bernstein, S.Friedrich A New Measurement of the 60 keV Emission from Am-241 Using Metallic Magnetic Calorimeters RADIOACTIVITY 241Am(α), 169Yb(EC) [from 169Tm(d, 2n), E<20 MeV]; measured decay products, Eγ, Iγ, X-rays; deduced γ-ray energies and intensities including errors.
doi: 10.1007/s10909-020-02412-7
2020MO07 Eur.Phys.J. A 56, 13 (2020) J.T.Morrell, A.S.Voyles, M.S.Basunia, J.C.Batchelder, E.F.Matthews, L.A.Bernstein Measurement of 139La(p, x) cross sections from 35-60 MeV by stacked-target activation
doi: 10.1140/epja/s10050-019-00010-0
2020NN01 Nucl.Sci.Eng. 194, 894 (2020) N.Nnamani, K.Van Bibber, L.A.Bernstein, J.L.Vujic, J.T.Morrell, J.C.Batchelder, M.Ayllon An Integral Experiment on Polyethylene Using Radiative Capture in Indium Foils in a High Flux D-D Neutron Generator RADIOACTIVITY 115,116In(IT) [from 115In(n, n'), (n, γ), E=2.2-2.8 MeV]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities including uncertainties. NUCLEAR REACTIONS 115In(n, γ), C, H(n, n), E=2.2-2.8 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with ENDF/B-VII.1 library.
doi: 10.1080/00295639.2020.1769964
2020UD01 Radiochim.Acta 108, 747 (2020) M.S.Uddin, B.Scholten, M.S.Basunia, S.Sudar, S.Spellerberg, A.S.Voyles, J.T.Morrell, H.Zaneb, J.A.Rios, I.Spahn, L.A.Bernstein, B.Neumaier, S.M.Qaim Accurate determination of production data of the non-standard positron emitter 86Y via the 86Sr(p, n)-reaction NUCLEAR REACTIONS 86Sr(p, n)86Y, Cu(p, Xn)62Zn/63Zn/65Zn, Ti(p, X)48V, E=14.3-24.5 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with nuclear model calculation based on the code TALYS. Forschungszentrum Julich (FZJ), LBNL.
doi: 10.1515/ract-2020-0021
2019BA16 Phys.Rev. C 99, 044612 (2019) J.C.Batchelder, S.-A.Chong, J.Morrell, M.A.Unzueta, P.Adams, J.D.Bauer, T.Bailey, T.A.Becker, L.A.Bernstein, M.Fratoni, A.M.Hurst, J.James, A.M.Lewis, E.F.Matthews, M.Negus, D.Rutte, K.Song, K.Van Bibber, M.Wallace, C.S.Waltz Possible evidence of nonstatistical properties in the 35Cl (n, p) 35S cross section NUCLEAR REACTIONS 35Cl(n, p)35S, 35Cl(n, α)32P, E=2.74, 2.64, 2.58, 2.52, 2.42 MeV; measured β radiation and decay curves from the decay of 35S and 32P, and σ(E) using liquid scintillator counter at the Berkeley High Flux Neutron Generator (BHFNG) at the University of California. 58Ni(n, p)58Co and 115In(n, n')115mIn used as references. Comparison with data in evaluated libraries: ENDF/B-VIII.0, ENDF/B-VII.1, JEFF-3.2, JENDL-4.0, and ROSFOND-2010. 36Cl; deduced resonance, σ(E). 35Cl(n, p), E=1 eV-15 MeV; 35Cl(n, α), E=0-20 MeV; comparison of literature and present experimental σ(E) with nuclear data libraries; concluded that modeling of (n, X) cross sections for N=Z=20 shell gap nuclei requires a resolved resonance approach rather than a Hauser-Feshbach formalism.
doi: 10.1103/PhysRevC.99.044612
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
2019HU07 Phys.Rev. C 99, 024310 (2019) A.M.Hurst, A.Sweet, B.L.Goldblum, R.B.Firestone, M.S.Basunia, L.A.Bernstein, Zs.Revay, L.Szentmiklosi, T.Belgya, J.E.Escher, I.Harsanyi, M.Krticka, B.W.Sleaford, J.Vujic Radiative-capture cross sections for the 139La (n, γ) reaction using thermal neutrons and structural properties of 140La NUCLEAR REACTIONS 139La(n, γ), E=thermal and cold; measured Eγ, Iγ, at the Prompt Gamma Activation Analysis facility of Budapest Research Reactor. 140La; deduced levels, J, π, S(n) for 140La, partial γ-ray production σ(γ) relative to those for 35Cl(n, γ), total radiative thermal neutron capture σ. Monte Carlo statistical-decay code DICEBOX calculations. Comparison with previous experimental data in the ENSDF database and other literature.
doi: 10.1103/PhysRevC.99.024310
2019LE12 Eur.Phys.J. A 55, 141 (2019) A.M.Lewis, L.A.Bernstein, T.Kawano, D.Neudecker Ratio method for estimating uncertainty in calculated gamma cascades
doi: 10.1140/epja/i2019-12826-y
2019ZE03 Phys.Rev. C 100, 024305 (2019) F.Zeiser, G.M.Tveten, G.Potel, A.C.Larsen, M.Guttormsen, T.A.Laplace, S.Siem, D.L.Bleuel, B.L.Goldblum, L.A.Bernstein, F.L.Bello Garrote, L.Crespo Campo, T.K.Eriksen, A.Gorgen, K.Hadynska-Klek, V.W.Ingeberg, J.E.Midtbo, E.Sahin, T.Tornyi, A.Voinov, M.Wiedeking, J.Wilson Restricted spin-range correction in the Oslo method: The example of nuclear level density and γ-ray strength function from 239Pu (d, pγ)240Pu NUCLEAR REACTIONS 239Pu(d, p)240Pu, E=12 MeV; measured Eγ, Iγ, Ep, Ip, γp-coin using SiRi particle telescopes and CACTUS γ-ray detector array at the Oslo Cyclotron Laboratory; deduced nuclear level density, γ-ray strength function using Oslo method. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.100.024305
2018HA39 Nucl.Instrum.Methods Phys.Res. A877, 359 (2018) K.P.Harrig, B.L.Goldblum, J.A.Brown, D.L.Bleuel, L.A.Bernstein, J.Bevins, M.Harasty, T.A.Laplace, E.F.Matthews Neutron Spectroscopy for pulsed beams with frame overlap using a double time-of-flight technique NUCLEAR REACTIONS 9Be(d, X)0-NN-1, E=16 MeV; measured reaction products, En, In; deduced thick target yields.
doi: 10.1016/j.nima.2017.09.051
2018JO01 Phys.Rev. C 97, 024327 (2018) M.D.Jones, A.O.Macchiavelli, M.Wiedeking, L.A.Bernstein, H.L.Crawford, C.M.Campbell, R.M.Clark, M.Cromaz, P.Fallon, I.Y.Lee, M.Salathe, A.Wiens, A.D.Ayangeakaa, D.L.Bleuel, S.Bottoni, M.P.Carpenter, H.M.Davids, J.Elson, A.Gorgen, M.Guttormsen, R.V.F.Janssens, J.E.Kinnison, L.Kirsch, A.C.Larsen, T.Lauritsen, W.Reviol, D.G.Sarantites, S.Siem, A.V.Voinov, S.Zhu Examination of the low-energy enhancement of the γ-ray strength function of 56Fe NUCLEAR REACTIONS 56Fe(p, p'), E=16 MeV; measured Eγ, Iγ, γ(θ) for discrete and continuum γ rays, γ(linear polarization) for primary γ rays, pγγ-coin using GRETINA (Gamma-Ray Energy Tracking In-beam Nuclear Array) for γ detection and Washington University Phoswich Wall for protons; deduced multipolarity of continuum γ rays, γ-ray strength function (γSF) with the model-independent ratio method, low-energy enhancement, identical shapes for γSFs constructed with 2+ and 4+ final states consistent with Brink hypothesis. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.97.024327
2018VO05 Nucl.Instrum.Methods Phys.Res. B429, 53 (2018) A.S.Voyles, L.A.Bernstein, E.R.Birnbaum, J.W.Engle, S.A.Graves, T.Kawano, A.M.Lewis, F.M.Nortier Excitation functions for (p, x) reactions of niobium in the energy range of Ep=40-90 MeV NUCLEAR REACTIONS Nb(p, X)82Rb/83Sr/85Y/86Zr/86Y/87Zr/87Y/88Zr/88Y/89Nb/89Zr/90Mo/90Nb/91Nb/92Nb/93Mo, Cu(p, X)51Cr/52Mn/54Mn/55Co/56Ni/57Ni/57Co/58Co/59Fe/60Co/61Cu/64Cu, E<100 MeV; measured reaction products, Eγ, Iγ; deduced σ and uncertainties, isomer-to-ground-state branching ratios. Comparison with the experimental data, reaction modeling codes EMPIRE, TALYS, and CoH.
doi: 10.1016/j.nimb.2018.05.028
2017AL11 Eur.Phys.J. A 53, 62 (2017) J.M.Allmond, C.W.Beausang, T.J.Ross, P.Humby, M.S.Basunia, L.A.Bernstein, D.L.Bleuel, W.Brooks, N.Brown, J.T.Burke, B.K.Darakchieva, K.R.Dudziak, K.E.Evans, P.Fallon, H.B.Jeppesen, J.D.LeBlanc, S.R.Lesher, M.A.McMahan, D.A.Meyer, L.Phair, J.O.Rasmussen, N.D.Scielzo, S.R.Stroberg, M.Wiedeking Particle-γ coincidence spectroscopy of the N = 90 nucleus 154Gd by (p, tγ) NUCLEAR REACTIONS 156Gd(p, tγ)154Gd, E=25 MeV; measured Eγ, Iγ(θ), γ∓coin, E(t), I(t), tγ-coin using segmented Si telescope array and HPGe array; deduced triton energy spectra, σ(θ) to discrete states. 154Gd; deduced level scheme, rotational bands. Compared with other (p, t) and (t, p) data.
doi: 10.1140/epja/i2017-12253-2
2017AR04 Prog.Part.Nucl.Phys. 94, 1 (2017) A.Arcones, D.W.Bardayan, T.C.Beers, L.A.Bernstein, J.C.Blackmon, B.Messer, B.A.Brown, E.F.Brown, C.R.Brune, A.E.Champagne, A.Chieffi, A.J.Couture, P.Danielewicz, R.Diehl, M.El Eid, J.E.Escher, B.D.Fields, C.Frohlich, F.Herwig, W.R.Hix, C.Iliadis, W.G.Lynch, G.C.McLaughlin, B.S.Meyer, A.Mezzacappa, F.Nunes, B.W.O'Shea, M.Prakash, B.Pritychenko, S.Reddy, E.Rehm, G.Rogachev, R.E.Rutledge, H.Schatz, M.S.Smith, I.H.Stairs, A.W.Steiner, T.E.Strohmayer, F.X.Timmes, D.M.Townsley, M.Wiescher, R.G.T.Zegers, M.Zingale White paper on nuclear astrophysics and low energy nuclear physics Part 1: Nuclear astrophysics
doi: 10.1016/j.ppnp.2016.12.003
2017DA20 Phys.Rev. C 96, 024602 (2017) B.H.Daub, D.L.Bleuel, M.Wiedeking, L.A.Bernstein, N.M.Brickner, J.A.Brown, B.L.Goldblum, K.S.Holliday, J.Lundgren, K.Moody Neutron transfer in the 13C + 197Au reaction from gold isotope residuals NUCLEAR REACTIONS 197Au(13C, X)192Au/193Au/194Au/195Au/196Au/196mAu/198Au/198mAu/199Au, E=130 MeV; measured Eγ, Iγ, production cross sections by activation method at LBNLs cyclotron facility. Comparison with predictions from the Wilczynski binary transfer model, and with calculations using TALYS and DICEBOX computer codes.
doi: 10.1103/PhysRevC.96.024602
2017KH08 Phys.Rev. C 95, 045805 (2017) B.V.Kheswa, M.Wiedeking, J.A.Brown, A.C.Larsen, S.Goriely, M.Guttormsen, F.L.Bello Garrote, L.A.Bernstein, D.L.Bleuel, T.K.Eriksen, F.Giacoppo, A.Gorgen, B.L.Goldblum, T.W.Hagen, P.E.Koehler, M.Klintefjord, K.L.Malatji, J.E.Midtbo, H.T.Nyhus, P.Papka, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, T.G.Tornyi 137, 138, 139La (n, γ) cross sections constrained with statistical decay properties of 138, 139, 140La nuclei NUCLEAR REACTIONS 139La(3He, α), (3He, 3He'), E=38 MeV; 139La(d, p), E=13.5 MeV; measured α, 3He and proton spectra, Eγ, Iγ, αγ-, (3He)γ-, and pγ-coin using SiRi array for particles and CACTUS array for γ rays. 138,139,140La; deduced nuclear level densities (NLDs)and γ-ray strength functions (γSF). Comparison with previous experimental data, and with microscopic calculations using HFB+Comb, Fermi gas (BSFG1+CT) and BSFG2+CT models. 137,138,139La(n, γ), E=0.001-1 MeV; calculated σ(E) with the TALYS reaction code using the measured NLDs and γSFs as inputs, and compared to available experimental data.
doi: 10.1103/PhysRevC.95.045805
2017RO16 Phys.Rev. C 96, 014601 (2017) S.J.Rose, F.Zeiser, J.N.Wilson, A.Oberstedt, S.Oberstedt, S.Siem, G.M.Tveten, L.A.Bernstein, D.L.Bleuel, J.A.Brown, L.Crespo Campo, F.Giacoppo, A.Gorgen, M.Guttormsen, K.Hadynska, A.Hafreager, T.W.Hagen, M.Klintefjord, T.A.Laplace, A.C.Larsen, T.Renstrom, E.Sahin, C.Schmitt, T.G.Tornyi, M.Wiedeking Energy dependence of the prompt γ-ray emission from the (d, p) -induced fission of 234U* and 240Pu* NUCLEAR REACTIONS 233U(d, pF)234U*, E=12.5 MeV; 239Pu(d, pF)239Pu*, E=12 MeV; measured protons, fission fragments, Eγ, p(one of the fission fragments)γ-coin using CACTUS array for γ detection, SiRi detector array for charged-particles and NIFF detector for fission fragments at Oslo Cyclotron Laboratory (OCL); deduced prompt-fission γ-ray spectral (PFGS) distributions, multiplicity, average γ-ray energy, and total γ-ray energy as function of excitation energy. Comparison with model calculations using the fission model code GEF.
doi: 10.1103/PhysRevC.96.014601
2017VO07 Nucl.Instrum.Methods Phys.Res. B410, 230 (2017) A.S.Voyles, M.S.Basunia, J.C.Batchelder, J.D.Bauer, T.A.Becker, L.A.Bernstein, E.F.Matthews, P.R.Renne, D.Rutte, M.A.Unzueta, K.A.van Bibber Measurement of the 64Zn, 47Ti(n, p) cross sections using a DD neutron generator for medical isotope studies NUCLEAR REACTIONS 64Zn, 47Ti(n, p), E=2-3 MeV; measured reaction products, Eγ, Iγ. 64Cu, 47Sc, 113,115,116In; deduced σ. Comparison with available data.
doi: 10.1016/j.nimb.2017.08.021
2016BE24 Phys.Rev. C 94, 034303 (2016) N.Benczer-Koller, G.J.Kumbartzki, K.-H.Speidel, D.A.Torres, S.J.Q.Robinson, Y.Y.Sharon, J.M.Allmond, P.Fallon, I.Abramovic, L.A.Bernstein, J.E.Bevins, H.L.Crawford, Z.E.Guevara, A.M.Hurst, L.Kirsch, T.A.Laplace, A.Lo, E.F.Matthews, I.Mayers, L.W.Phair, F.Ramirez, A.Wiens Magnetic moment and lifetime measurements of Coulomb-excited states in 106Cd NUCLEAR REACTIONS 12C(106Cd, 106Cd'), E=410 MeV; measured particle spectra using Si surface-barrier detector, Eγ, Iγ, (particle)γ-coin using four clover HPGe detectors, g factors by the transient-field technique, level half-lives by DSAM at LBNL cyclotron facility. Coulomb excitation. 106Cd; deduced levels, J, B(E2). Comparison with large-scale shell-model, and collective model calculations.
doi: 10.1103/PhysRevC.94.034303
2016KU05 Phys.Rev. C 93, 044316 (2016) G.J.Kumbartzki, N.Benczer-Koller, K.-H.Speidel, D.A.Torres, J.M.Allmond, P.Fallon, I.Abramovic, L.A.Bernstein, J.E.Bevins, H.L.Crawford, Z.E.Guevara, G.Gurdal, A.M.Hurst, L.Kirsch, T.A.Laplace, A.Lo, E.F.Matthews, I.Mayers, L.W.Phair, F.Ramirez, S.J.Q.Robinson, Y.Y.Sharon, A.Wiens Z = 50 core stability in 110Sn from magnetic-moment and lifetime measurements NUCLEAR REACTIONS 12C(106Cd, 8Be)110Sn, 12C(106Cd, 12C)106Cd, E=390, 400, 410 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin, γγ(θ), level half-lives using DSAM and lineshape analysis, g factors using transient field technique at LBNL 88-Inch Cyclotron facility, multi-layered target of carbon, gadolinium, tantalum and copper layers. 110Sn; deduced levels, J, π, B(E2), magnetic moments, configurations, no evidence for excitation of protons from the closed Z=50 core. Comparison with previous experimental results, and with shell model calculations. Systematics of B(E2) values for the first 2+ states in A=104-130, even-even Sn nuclei. NUCLEAR MOMENTS 110Sn; measured g factors using transient field technique in 12C(106Cd, 8Be) reaction at 410 MeV, and using a multi-layered target; deduced magnetic moments. Comparison with shell model calculations. Systematics of g factors for the first 2+ states in A=104-130, even-even Sn nuclei.
doi: 10.1103/PhysRevC.93.044316
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
2016NE08 Phys.Rev. C 94, 024332 (2016) D.Negi, M.Wiedeking, E.G.Lanza, E.Litvinova, A.Vitturi, R.A.Bark, L.A.Bernstein, D.L.Bleuel, S.Bvumbi, T.D.Bucher, B.H.Daub, T.S.Dinoko, J.L.Easton, A.Gorgen, M.Guttormsen, P.Jones, B.V.Kheswa, N.A.Khumalo, A.C.Larsen, E.A.Lawrie, J.J.Lawrie, S.N.T.Majola, L.P.Masiteng, M.R.Nchodu, J.Ndayishimye, R.T.Newman, S.P.Noncolela, J.N.Orce, P.Papka, L.Pellegri, T.Renstrom, D.G.Roux, R.Schwengner, O.Shirinda, S.Siem Nature of low-lying electric dipole resonance excitations in 74Ge NUCLEAR REACTIONS 74Ge(α, α'), E=48 MeV; measured Eγ, Iγ, Eα, αγ-coin, γ(θ), σ(θ) for scattered α particles, relative cross sections of E1 transitions using AFRODITE array for γ detection and silicon detectors for α particles at iThemba Labs cyclotron facility. 74Ge; deduced levels, J, π, B(E1), suppression in relative cross section for the excitation of pygmy-dipole resonances (PDR) as compared to those in (γ, γ') data for excitations above 6 MeV. Comparison of B(E1) with relativistic quasiparticle time blocking approximation (RQTBA) calculations.
doi: 10.1103/PhysRevC.94.024332
2016RE13 Phys.Rev. C 93, 064302 (2016) T.Renstrom, H.-T.Nyhus, H.Utsunomiya, R.Schwengner, S.Goriely, A.C.Larsen, D.M.Filipescu, I.Gheorghe, L.A.Bernstein, D.L.Bleuel, T.Glodariu, A.Gorgen, M.Guttormsen, T.W.Hagen, B.V.Kheswa, Y.-W.Lui, D.Negi, I.E.Ruud, T.Shima, S.Siem, K.Takahisa, O.Tesileanu, T.G.Tornyi, G.M.Tveten, M.Wiedeking Low-energy enhancement in the γ-ray strength functions of 73, 74Ge NUCLEAR REACTIONS 74Ge(3He, 3He), (3He, α), E=38 MeV; measured Eγ, Iγ, (particle)γ-coin using SiRi particle detector array and CACTUS array for γ detection at Oslo Cyclotron Laboratory (OCL) facility. 74Ge(γ, n), E=10.4-12.7 MeV; measured E(n), I(n), σ(E) using 4π neutron detection array at NewSUBARU synchrotron radiation facility. 73,74Ge, deduced γ-strength functions (γSF), nuclear level densities (NLD). Comparison with shell-model calculations. 72,73Ge(n, γ), E=0.001-3 MeV; deduced experimentally constrained σ(E), and compared with TALYS calculations for E1 and M1 radiations.
doi: 10.1103/PhysRevC.93.064302
2016TV01 Phys.Rev. C 94, 025804 (2016) G.M.Tveten, A.Spyrou, R.Schwengner, F.Naqvi, A.C.Larsen, T.K.Eriksen, F.L.Bello Garrote, L.A.Bernstein, D.L.Bleuel, L.Crespo Campo, M.Guttormsen, F.Giacoppo, A.Gorgen, T.W.Hagen, K.Hadynska-Klek, M.Klintefjord, B.S.Meyer, H.T.Nyhus, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, T.G.Tornyi Completing the nuclear reaction puzzle of the nucleosynthesis of 92Mo NUCLEAR REACTIONS 92Mo(p, p'), E=16.5 MeV; measured Ep, Ip, Eγ, Iγ pγ-coin, angular distributions using SiRi silicon ΔE-E telescopes for protons and CACTUS scintillator detector array for γ rays at Oslo Cyclotron Laboratory; deduced nuclear level density (NLD) and γ-strength function (γSF) of 92Mo. 91Nb(p, γ)92Mo, T9=1.8-3.5; deduced astrophysical reaction rates using TALYS 1.6 code and NLD and γSF input from present experiment; discussed puzzle of the nucleosynthesis of 92Mo in the context of p process. Comparison with previous experimental results from 92Mo(γ, γ') and 92,94,95,96Mo(γ, n) reactions, and shell model calculations.
doi: 10.1103/PhysRevC.94.025804
2016WI01 Phys.Rev. C 93, 024303 (2016) M.Wiedeking, M.Krticka, L.A.Bernstein, J.M.Allmond, M.S.Basunia, D.L.Bleuel, J.T.Burke, B.H.Daub, P.Fallon, R.B.Firestone, B.L.Goldblum, R.Hatarik, P.T.Lake, A.C.Larsen, I.-Y.Lee, S.R.Lesher, S.Paschalis, M.Petri, L.Phair, N.D.Scielzo, A.Volya γ-ray decay from neutron-bound and unbound states in 95Mo and a novel technique for spin determination NUCLEAR REACTIONS 94Mo(d, p), E=5.5 MeV/nucleon; measured Ep, Eγ, Iγ, pγ-, pγγ-coin using STARS-LIBERACE detector array at LBNL, cyclotron facility. 95Mo; deduced levels, J, π, γ-branching ratios, average γ-ray emission probabilities. Novel method for spin determination. Comparison with ENSDF evaluation, statistical gamma-ray cascade model calculations, and with shell-model calculations.
doi: 10.1103/PhysRevC.93.024303
2015DA12 Phys.Rev.Lett. 115, 132502 (2015) H.M.David, J.Chen, D.Seweryniak, F.G.Kondev, J.M.Gates, K.E.Gregorich, I.Ahmad, M.Albers, M.Alcorta, B.B.Back, B.Baartman, P.F.Bertone, L.A.Bernstein, C.M.Campbell, M.P.Carpenter, C.J.Chiara, R.M.Clark, M.Cromaz, D.T.Doherty, G.D.Dracoulis, N.E.Esker, P.Fallon, O.R.Gothe, J.P.Greene, P.T.Greenlees, D.J.Hartley, K.Hauschild, C.R.Hoffman, S.S.Hota, R.V.F.Janssens, T.L.Khoo, J.Konki, J.T.Kwarsick, T.Lauritsen, A.O.Macchiavelli, P.R.Mudder, C.Nair, Y.Qiu, J.Rissanen, A.M.Rogers, P.Ruotsalainen, G.Savard, S.Stolze, A.Wiens, S.Zhu Decay and Fission Hindrance of Two- and Four-Quasiparticle K Isomers in 254Rf NUCLEAR REACTIONS 206Pb(50Ti, 2n)254Rf, E=242.5 MeV; measured reaction products, Eγ, Iγ, Eβ, Iβ; deduced energy levels, J, π, isomer T1/2, unprecedented fission hindrance relative to the ground state. Comparison with multiquasiparticle calculations.
doi: 10.1103/PhysRevLett.115.132502
2015GI02 Phys.Rev. C 91, 054327 (2015) F.Giacoppo, F.L.Bello Garrote, L.A.Bernstein, D.L.Bleuel, R.B.Firestone, A.Gorgen, M.Guttormsen, T.W.Hagen, M.Klintefjord, P.E.Koehler, A.C.Larsen, H.T.Nyhus, T.Renstrom, E.Sahin, S.Siem, T.Tornyi γ decay from the quasicontinuum of 197, 198Au NUCLEAR REACTIONS 197Au(d, p), E=12.5 MeV; 197Au(3He, 3He'), E=34.0 MeV; measured Eγ, Iγ, particle spectra, (particle)γ-coin using CACTUS spectrometer for γ rays and SiRi (Silicon Ring) for particle detection at Oslo Cyclotron Laboratory; deduced γ strength functions, level density, spin cutoff distributions as function of excitation energy, σ(E) for 197Au(n, γ). Comparison with (γ, n) experimental results, and with theoretical calculations using EGLO model with four SLO components, and QRPA.
doi: 10.1103/PhysRevC.91.054327
2015GU27 Eur.Phys.J. A 51, 170 (2015) M.Guttormsen, M.Aiche, F.L.Bello Garrote, L.A.Bernstein, D.L.Bleuel, Y.Byun, Q.Ducasse, T.K.Eriksen, F.Giacoppo, A.Gorgen, F.Gunsing, T.W.Hagen, B.Jurado, M.Klintefjord, A.C.Larsen, L.Lebois, B.Leniau, H.T.Nyhus, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, T.G.Tornyi, G.M.Tveten, A.Voinov, M.Wiedeking, J.Wilson Experimental level densities of atomic nuclei
doi: 10.1140/epja/i2015-15170-4
2015LA08 Acta Phys.Pol. B46, 509 (2015) A.C.Larsen, S.Goriely, L.A.Bernstein, D.L.Bleuel, A.Bracco, B.A.Brown, F.Camera, T.K.Eriksen, S.Frauendorf, F.Giacoppo, M.Guttormsen, A.Gorgen, S.Harissopulos, S.Leoni, S.N.Liddick, F.Naqvi, H.T.Nyhus, S.J.Rose, T.Renstrom, R.Schwengner, S.Siem, A.Spyrou, G.M.Tveten, A.V.Voinov, M.Wiedeking Upbend and M1 Scissors Mode in Neutron-rich Nuclei - Consequences for r-process (n, γ) Reaction Rates
doi: 10.5506/APhysPolB.46.509
2015MA55 Phys.Rev. C 92, 044309 (2015) R.Massarczyk, R.Schwengner, L.A.Bernstein, M.Anders, D.Bemmerer, R.Beyer, Z.Elekes, R.Hannaske, A.R.Junghans, T.Kogler, M.Roder, K.Schmidt, A.Wagner, L.Wagner Dipole strength distribution of 74Ge NUCLEAR REACTIONS 74Ge(γ, γ'), E=1-11 MeV; measured Eγ, Iγ, γγ(θ), angle-integrated scattering cross section at the ELBE accelerator facility. 74Ge; deduced levels, J, π. Statistical methods, and simulations of γ-ray cascades. Comparison with (γ, n) data, and with three Lorentz functions (TLO) calculations.
doi: 10.1103/PhysRevC.92.044309
2014FI14 Nucl.Data Sheets 119, 79 (2014) R.B.Firestone, K.Abusaleem, M.S.Basunia, F.Becvar, T.Belgya, L.A.Bernstein, H.D.Choi, J.E.Escher, C.Genreith, A.M.Hurst, M.Krticka, P.R.Renne, Zs.Revay, A.M.Rogers, M.Rossbach, S.Siem, B.Sleaford, N.C.Summers, L.Szentmiklosi, K.van Bibber, M.Wiedeking EGAF: Measurement and Analysis of Gamma-ray Cross Sections COMPILATION Z=1-82(n, γ), E=thermal[two targets not included: He and Pm]; calculated, evaluated prompt γ energy spectra for activation analysis.
doi: 10.1016/j.nds.2014.08.024
2014GI08 Phys.Rev. C 90, 054330 (2014) F.Giacoppo, F.L.Bello Garrote, L.A.Bernstein, D.L.Bleuel, T.K.Eriksen, R.B.Firestone, A.Gorgen, M.Guttormsen, T.W.Hagen, B.V.Kheswa, M.Klintefjord, P.E.Koehler, A.C.Larsen, H.T.Nyhus, T.Renstrom, E.Sahin, S.Siem, T.Tornyi Level densities and thermodynamical properties of Pt and Au isotopes NUCLEAR REACTIONS 195Pt(d, p), (p, p'), (p, d), E=11.3, 16.5 MeV; 197Au(d, p), (d, d'), E=12.5 MeV; 197Au(3He, 3He'), E=34.0 MeV; measured Eγ, Iγ, particle spectra, (particle)γ-coin using SiRi particle detector array and CACTUS multidetector array for γ rays at Oslo cyclotron facility. 194,195,196Pt, 197,198Au; deduced level densities from the population of excited states below S(n), density as function of temperature, single-particle level space for the last unpaired valence neutron, heat capacity and temperature, evidence of consecutive breaking of nucleon Cooper pairs in the heated nuclear system.
doi: 10.1103/PhysRevC.90.054330
2014GU04 Phys.Rev. C 89, 014302 (2014) M.Guttormsen, L.A.Bernstein, A.Gorgen, B.Jurado, S.Siem, M.Aiche, Q.Ducasse, F.Giacoppo, F.Gunsing, T.W.Hagen, A.C.Larsen, M.Lebois, B.Leniau, T.Renstrom, S.J.Rose, T.G.Tornyi, G.M.Tveten, M.Wiedeking, J.N.Wilson Scissors resonance in the quasicontinuum of Th, Pa, and U isotopes NUCLEAR REACTIONS 232Th(d, d'), (d, p), E=12 MeV; 232Th(3He, 3He'), (3He, d), (3He, t), (3He, α), E=24 MeV; 238U(d, d'), (d, p), (d, t), E=15 MeV; measured Eγ, Iγ, particle spectra, (particle)γ-coin using SiRi particle telescope and CACTUS γ-detector array at Oslo cyclotron facility. 231,232,233Th, 232,233Pa, 237,238,239U; deduced γ strength functions in the quasicontinuum, low-energy M1 scissors resonance (SR), level densities using Oslo method Comparison with previous (γ, γ') experimental results, and with theoretical model calculations.
doi: 10.1103/PhysRevC.89.014302
2014WI04 Nucl.Data Sheets 119, 258 (2014) M.Wiedeking, L.A.Bernstein, J.M.Allmond, M.S.Basunia, D.L.Bleuel, J.T.Burke, P.Fallon, R.B.Firestone, B.L.Goldblum, R.Hatarik, M.Krticka, P.T.Lake, A.C.Larsen, I.-Y.Lee, S.R.Lesher, S.Paschalis, M.Petri, L.Phair, N.D.Scielzo Photon Strength Function at Low Energies in 95Mo NUCLEAR REACTIONS 94Mo(d, p), E=11 MeV; measured Eγ, Iγ, Ep, Ip, pγ-coin, charged particles using STARS-LIBERACE array; deduced γ-ray strength function energy dependence below 7 MeV using also (3He, α) data reference; calculated γ-ray strength function using various assumptions on reaction mechanism.
doi: 10.1016/j.nds.2014.08.071
2013GU10 Acta Phys.Pol. B44, 567 (2013) M.Guttormsen, L.A.Bernstein, A.Burger, A.Gorgen, F.Gunsing, T.W.Hagen, A.C.Larsen, T.Renstrom, S.Siem, M.Wiedeking, J.N.Wilson Observation of Large Orbital Scissors Strength in Actinides NUCLEAR REACTIONS 232Th(d, pγ)233Th, E=12 MeV; 232Th(3He, X), E=24 MeV; measured reaction products, Eγ, Iγ. 231,232,233Th, 232,233Pa; deduced scissors mode parameters, M1-scissors resonance, B(M1), increased γ-decay probability. Comparison with available data.
doi: 10.5506/APhysPolB.44.567
2013GU27 Phys.Rev. C 88, 024307 (2013) M.Guttormsen, B.Jurado, J.N.Wilson, M.Aiche, L.A.Bernstein, Q.Ducasse, F.Giacoppo, A.Gorgen, F.Gunsing, T.W.Hagen, A.C.Larsen, M.Lebois, B.Leniau, T.Renstrom, S.J.Rose, S.Siem, T.Tornyi, G.M.Tveten, M.Wiedeking Constant-temperature level densities in the quasicontinuum of Th and U isotopes NUCLEAR REACTIONS 232Th(d, p), (d, d'), (d, t), E=12 MeV; 232Th(3He, 3He'), (3He, α), E=24 MeV; 238U(d, p), (d, d'), (d, t), E=15 MeV; measured (particle)γ-coin in the quasicontinuum region using SiRi particle detector array and CACTUS-γ detector system at Oslo cyclotron laboratory; deduced excitation energy vs Eγ distributions. 231,232,233Th, 237,238,239U; deduced level densities using the Oslo method, increase in level density for odd-A isotopes as compared to even-even isotopes, similar temperatures in the quasicontinuum. 237,238,239U; deduced entropy, excess of entropy for odd-A isotopes as compared to even-even neighbor, microcanonical temperature, heat capacity. Evidence for continuous melting of Cooper pairs from constant temperature behavior.
doi: 10.1103/PhysRevC.88.024307
2012GO06 Phys.Rev. C 85, 054616 (2012) B.L.Goldblum, M.Wiedeking, T.Reed, K.Alfonso, J.M.Allmond, L.A.Bernstein, D.L.Bleuel, F.S.Dietrich, R.Hatarik, P.T.Lake, I.-Y.Lee, S.R.Lesher, S.Paschalis, M.Petri, L.Phair, N.D.Scielzo, R.Vial, J.Vujic Indirect determination of neutron capture cross sections on spherical and near-spherical nuclei using the surrogate method NUCLEAR REACTIONS 92,94Mo(d, p), E=11 MeV; measured particle spectrum, Eγ, Iγ, (particle)γ-coin using STARS-LIBERACE array. DWBA analysis. 92Mo(n, γ), E=80-890 keV; deduced capture cross section using the absolute surrogate and surrogate ratio methods (SRM) relative to 94Mo(n, γ) cross section. Gamma decay tagging techniques. Dicebox statistical model analysis for gamma cascades. Comparison with ENDF/B-VII.0 evaluation.
doi: 10.1103/PhysRevC.85.054616
2012GU21 Phys.Rev.Lett. 109, 162503 (2012) M.Guttormsen, L.A.Bernstein, A.Burger, A.Gorgen, F.Gunsing, T.W.Hagen, A.C.Larsen, T.Renstrom, S.Siem, M.Wiedeking, J.N.Wilson Observation of Large Scissors Resonance Strength in Actinides NUCLEAR REACTIONS 232Th(3He, α), (3He, t), (3He, d), E=24 MeV;232Th(d, d), (d, p), E=12 MeV; measured reaction products; deduced radiative strength functions, M1 scissors resonance. Comparison with available data, theoretical calculations.
doi: 10.1103/PhysRevLett.109.162503
2012SC10 Phys.Rev. C 85, 054619 (2012) N.D.Scielzo, J.E.Escher, J.M.Allmond, M.S.Basunia, C.W.Beausang, L.A.Bernstein, D.L.Bleuel, J.T.Burke, R.M.Clark, F.S.Dietrich, P.Fallon, J.Gibelin, B.L.Goldblum, S.R.Lesher, M.A.McMahan, E.B.Norman, L.Phair, E.Rodriguez-Vieitez, S.A.Sheets, I.J.Thompson, M.Wiedeking Statistical γ rays in the analysis of surrogate nuclear reactions NUCLEAR REACTIONS 154,155,156,158Gd(p, p'), E=21.7 MeV; measured Ep, Ip, Eγ, Iγ, pγ-coin using STARS-LiBerACE at LBNL cyclotron facility; deduced γ-ray emission probability. 155,157Gd(n, γ), E<3.5 MeV; deduced cross section ratios by surrogate analyses using statistical and discrete γ-rays. Comparison with reaction theory. Surrogate nuclear reaction technique.
doi: 10.1103/PhysRevC.85.054619
2012WI03 Phys.Rev. C 85, 034607 (2012) J.N.Wilson, F.Gunsing, L.A.Bernstein, A.Burger, A.Gorgen, M.Guttormsen, A.-C.Larsen, P.Mansouri, T.Renstrom, S.J.Rose, A.Semchenkov, S.Siem, N.U.H.Syed, H.K.Toft, M.Wiedeking, T.Wiborg-Hagen Indirect (n, γ) cross sections of thorium cycle nuclei using the surrogate method NUCLEAR REACTIONS 232Th(d, p)233Th, E=12 MeV; 232Th(3He, t)232Pa, 232Th(3He, α)231Th, E=24 MeV; measured energy loss, E(particle), I(particle), Eγ, Iγ, γ(fragment)-coin using CACTUS γ-detector array, and Silicon Ring charged-particle detector at Oslo Cyclotron Laboratory; deduced γ decay probabilities. 230,232Th, 231Pa(n, γ), E<1.4 MeV; deduced cross sections using surrogate ratio method. Comparison with evaluated data libraries. Optical model calculations of compound nucleus formation cross sections, and weighting function technique.
doi: 10.1103/PhysRevC.85.034607
2012WI04 Phys.Rev.Lett. 108, 162503 (2012) M.Wiedeking, L.A.Bernstein, M.Krticka, D.L.Bleuel, J.M.Allmond, M.S.Basunia, J.T.Burke, P.Fallon, R.B.Firestone, B.L.Goldblum, R.Hatarik, P.T.Lake, I-Y.Lee, S.R.Lesher, S.Paschalis, M.Petri, L.Phair, N.D.Scielzo Low-Energy Enhancement in the Photon Strength of 95Mo NUCLEAR REACTIONS 94Mo(d, p), E=11 MeV; measured reaction products, Eπ, Iπ, Eγ, Iγ, γ-γ-coin.; deduced photon strength functions, low-energy enhancement. Comparison with available data, quadratic fit.
doi: 10.1103/PhysRevLett.108.162503
2011GI03 Nucl.Instrum.Methods Phys.Res. A648, 109 (2011) J.Gibelin, M.Wiedeking, L.Phair, P.Fallon, S.Basunia, L.A.Bernstein, J.T.Burke, D.L.Bleuel, R.M.Clark, M.Cromaz, M.-A.Deleplanque, B.F.Goldblum, S.Gros, H.B.Jeppesen, P.T.Lake, I.-Y.Lee, S.R.Lesher, A.O.Macchiavelli, M.A.McMahan, J.Pavan, E.Rodriguez-Vieitez, N.D.Scielzo, L.G.Moretto Channel selection of neutron-rich nuclei following fusion-evaporation reactions of light systems NUCLEAR REACTIONS 9Be(9Be, X)15N/16N/12C/13C/15C/16C, E=30, 35, 40 MeV;12C(18O, X)27Mg/28Mg, E=50, 60 MeV; 11B, 12C(18O, X)26Mg/27Mg/25Mg/24Na, E not given; measured reaction products, Eγ, Iγ; deduced production yields. Comparison with PACE, LisFus and GEMINI calculations.
doi: 10.1016/j.nima.2011.05.041
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
2010AL15 Phys.Rev. C 81, 064316 (2010) J.M.Allmond, C.W.Beausang, J.O.Rasmussen, T.J.Ross, M.S.Basunia, L.A.Bernstein, D.L.Bleuel, W.Brooks, N.Brown, J.T.Burke, B.K.Darakchieva, K.R.Dudziak, K.E.Evans, P.Fallon, H.B.Jeppesen, J.D.LeBlanc, S.R.Lesher, M.A.McMahan, D.A.Meyer, L.Phair, N.D.Scielzo, S.R.Stroberg, M.Wiedeking Particle-γ spectroscopy of the (p, d-γ)155Gd reaction: Neutron single-quasiparticle states at N=91 NUCLEAR REACTIONS 156Gd(p, d), E=25 MeV; measured Eγ, Iγ, Ed, Id, dγ-, dγγ-coin, γd(θ), σ. 155Gd; deduced levels, J, π, Nilsson configurations, L transfers, C2jl expansion coefficients, occupancies V2. DWBA analysis of σ(θ) data.
doi: 10.1103/PhysRevC.81.064316
2010BL14 Nucl.Instrum.Methods Phys.Res. A 624, 691 (2010) D.L.Bleuel, L.A.Bernstein, J.T.Burke, J.Gibelin, M.D.Heffner, J.Mintz, E.B.Norman, L.Phair, N.D.Scielzo, S.A.Sheets, N.J.Snyderman, M.A.Stoyer, M.Wiedeking Gamma-ray multiplicity measurement of the spontaneous fission of 252Cf in a segmented HPGe/BGO detector array RADIOACTIVITY 252Cf(SF); measured products, Eγ, Iγ; deduced yields. Data were imported from EXFOR entry 14286.
doi: 10.1016/j.nima.2010.09.145
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
2010HA03 Phys.Rev. C 81, 011602 (2010) R.Hatarik, L.A.Bernstein, J.A.Cizewski, D.L.Bleuel, J.T.Burke, J.E.Escher, J.Gibelin, B.L.Goldblum, A.M.Hatarik, S.R.Lesher, P.D.O'Malley, L.Phair, E.Rodriguez-Vieitez, T.Swan, M.Wiedeking Benchmarking a surrogate reaction for neutron capture NUCLEAR REACTIONS 171,173Yb(d, pγ), E=18.5 MeV; measured Eγ, Iγ, particle spectra, (particle)γ-coin using STARS array for particles and HPGe detectors for γ rays; deduced intensity ratios of γ rays in 172Yb and 174Yb, cross sections, and comparison with DICEBOX simulations. 171,173Yb(n, γ), E=5-260 keV; comparison of neutron capture cross sections with those from (d, pγ) reaction using external surrogate ratio method.
doi: 10.1103/PhysRevC.81.011602
2010RE01 Phys.Rev. C 81, 014301 (2010) J.J.Ressler, J.A.Caggiano, C.J.Francy, P.N.Peplowski, J.M.Allmond, C.W.Beausang, L.A.Bernstein, D.L.Bleuel, J.T.Burke, P.Fallon, A.A.Hecht, D.V.Jordan, S.R.Lesher, M.A.McMahan, T.S.Palmer, L.Phair, N.D.Scielzo, P.G.Swearingen, G.A.Warren, M.Wiedeking Fission fragment isomers populated via 6Li+232Th NUCLEAR REACTIONS 232Th(6Li, X), E=45 MeV; measured Eγ, Iγ, γγ-coin, particle spectra, (particle)γ-coin, (particle)γ-correlations using STARS Si array at LBNL and Ge detectors. 88Br, 93Rb, 95,98,99Y, 99Mo, 100Tc, 121,123In, 119,120,121,122,123,124,125,126,127Sn, 123,125,127,131Sb, 131I, 132Te, 134,136Xe; measured isomer half-lives; deduced levels, J, π. Level systematics of neighboring Sn, Sb and In nuclides. RADIOACTIVITY 121m,123mIn(IT), 125mSb(IT); measured Eγ, Iγ, γγ-coin; deduced levels, J, π. 117Cd, 128Sb(β-); measured Eγ.
doi: 10.1103/PhysRevC.81.014301
2010SC06 Phys.Rev. C 81, 034608 (2010) N.D.Scielzo, J.E.Escher, J.M.Allmond, M.S.Basunia, C.W.Beausang, L.A.Bernstein, D.L.Bleuel, J.T.Burke, R.M.Clark, F.S.Dietrich, P.Fallon, J.Gibelin, B.L.Goldblum, S.R.Lesher, M.A.McMahan, E.B.Norman, L.Phair, E.Rodriquez-Vieitez, S.A.Sheets, I.J.Thompson, M.Wiedeking Measurement of γ-emission branching ratios for 154, 156, 158Gd compound nuclei: Tests of surrogate nuclear reaction approximations for (n, γ) cross sections NUCLEAR REACTIONS 154,156,158Gd(p, p'γ), E=22 MeV; measured Eγ, Iγ, proton spectra, γ-ray emission probabilities using STARS/LiBerACE array. 155,157Gd(n, γ), E=0.01-4 MeV; deduced σ by surrogate reaction method using Weisskopf-Ewing and ratio approximations.
doi: 10.1103/PhysRevC.81.034608
2009AL13 Phys.Rev. C 79, 054610 (2009) J.M.Allmond, L.A.Bernstein, C.W.Beausang, L.Phair, D.L.Bleuel, J.T.Burke, J.E.Escher, K.E.Evans, B.L.Goldblum, R.Hatarik, H.B.Jeppesen, S.R.Lesher, M.A.McMahan, J.O.Rasmussen, N.D.Scielzo, M.Wiedeking Relative 235U(n, γ) and (n, f) cross sections from 235U(d, pγ) and (d, pf) NUCLEAR REACTIONS 235U(d, pγ), (d, pf), E=21 MeV; measured Eγ, Iγ, proton spectra, fission spectra, σ. Internal surrogate ratio method (ISRM). Model-independent method used for measurement of γ-channel yield.
doi: 10.1103/PhysRevC.79.054610
2009BA23 Nucl.Instrum.Methods Phys.Res. B267, 1899 (2009) M.S.Basunia, R.M.Clark, B.L.Goldblum, L.A.Bernstein, L.Phair, J.T.Burke, C.W.Beausang, D.L.Bleuel, B.Darakchieva, F.S.Dietrich, M.Evtimova, P.Fallon, J.Gibelin, R.Hatarik, C.C.Jewett, S.R.Lesher, M.A.McMahan, E.Rodriguez-Vieitez, M.Wiedeking The (3He, tf) as a surrogate reaction to determine (n, f) cross sections in the 10-20 MeV energy range NUCLEAR REACTIONS 238U(3He, tf), E=10-20 MeV; Measured surrogate σ;237Np(n, f); Deduced σ. Compared results with ENDF/B-VII.0, JENDL-3.3 libraries.
doi: 10.1016/j.nimb.2009.04.006
2009BE26 Phys.Rev. C 80, 014302 (2009) P.C.Bender, C.R.Hoffman, M.Wiedeking, J.M.Allmond, L.A.Bernstein, J.T.Burke, D.L.Bleuel, R.M.Clark, P.Fallon, B.L.Goldblum, T.A.Hinners, H.B.Jeppesen, S.Lee, I.-Y.Lee, S.R.Lesher, A.O.Macchiavelli, M.A.McMahan, D.Morris, M.Perry, L.Phair, N.D.Scielzo, S.L.Tabor, V.Tripathi, A.Volya Approaching the "island of inversion": 34P NUCLEAR REACTIONS 18O(18O, np), E=20, 24, 25, 30, 44 MeV; measured Eγ, Iγ, γγ-, pγ-coin, γ(θ), DSA and half-lives. 34P; deduced levels, J, π, multipolarities, transition strengths and configurations. Island of inversion. Comparison with shell-model calculations using a modified WBP interaction. NUCLEAR STRUCTURE 32,34,36P; calculated levels, J, π and subshell occupancies using WBP interaction shell-model formalism.
doi: 10.1103/PhysRevC.80.014302
2009GO28 Phys.Rev. C 80, 044610 (2009) B.L.Goldblum, S.R.Stroberg, J.M.Allmond, C.Angell, L.A.Bernstein, D.L.Bleuel, J.T.Burke, J.Gibelin, L.Phair, N.D.Scielzo, E.Swanberg, M.Wiedeking, E.B.Norman Indirect determination of the 230Th(n, f) and 231Th(n, f) cross sections for thorium-based nuclear energy systems NUCLEAR REACTIONS 230Th(n, f), E=220 keV-25 MeV; 231Th(n, f), E=360 keV-10 MeV; measured fission fragments, σ using surrogate ratio method. Comparison with previous measurements and evaluations. 232Th, 236U(3He, 3He'), (3He, α), E=42 MeV; measured particle spectra, and relative fission decay probability in surrogate reactions.
doi: 10.1103/PhysRevC.80.044610
2009LE11 Phys.Rev. C 79, 044609 (2009) S.R.Lesher, J.T.Burke, L.A.Bernstein, H.Ai, C.W.Beausang, D.L.Bleuel, R.M.Clark, F.S.Dietrich, J.E.Escher, P.Fallon, J.Gibelin, B.L.Goldblum, I.Y.Lee, A.O.Macchiavelli, M.A.McMahan, K.J.Moody, E.B.Norman, L.Phair, E.Rodriguez-Vieitez, N.D.Scielzo, M.Wiedeking Surrogate ratio method in the actinide region using the (α, α'f) reaction NUCLEAR REACTIONS 234,236U(α, α'f), E=55 MeV; measured fission spectra, α(fission)-coin, in-plane and out-of-plane fission ratios; deduced direct-reaction-induced fission probability ratio. 233,235U(n, f); compared cross sections. Comparison between fission probability ratio and ratio of cross sections. Surrogate ratio method (SRM). Application of SRM as a method of calculating unknown cross sections.
doi: 10.1103/PhysRevC.79.044609
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
2008WI04 Phys.Rev.Lett. 100, 152501 (2008) M.Wiedeking, P.Fallon, A.O.Macchiavelli, J.Gibelin, M.S.Basunia, R.M.Clark, M.Cromaz, M.-A.Deleplanque, S.Gros, H.B.Jeppesen, P.T.Lake, I.-Y.Lee, L.G.Moretto, J.Pavan, L.Phair, E.Rodriguez-Vieitez, L.A.Bernstein, D.L.Bleuel, J.T.Burke, S.R.Lesher, B.F.Lyles, N.D.Scielzo Lifetime Measurement of the First Excited 2+ State in 16C NUCLEAR REACTIONS 9Be(9Be, 2p), E=40 MeV; measured Eγ, Iγ, charged particles. 16C; deduced levels, lifetimes, B(E2).
doi: 10.1103/PhysRevLett.100.152501
2008WI05 Phys.Rev. C 77, 054305 (2008) M.Wiedeking, P.Fallon, A.O.Macchiavelli, L.A.Bernstein, J.Gibelin, L.Phair, J.T.Burke, D.L.Bleuel, R.M.Clark, M-A.Deleplanque, S.Gros, R.Hatarik, H.B.Jeppesen, I-Y.Lee, B.F.Lyles, M.A.McMahan, L.G.Moretto, J.Pavan, E.Rodriguez-Vieitez, A.Volya Nuclear structure of 18N and the neighboring N = 11 isotones NUCLEAR REACTIONS 9Be(11B, 2p), E=50 MeV; measured Eγ, Iγ, γγ-, (2p)γ-coin, lifetimes. 18N; deduced levels, J, π, configurations. 17C, 18N, 19O; systematics. Comparison with model calculations.
doi: 10.1103/PhysRevC.77.054305
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
2007BE33 Acta Phys.Pol. B38, 1535 (2007) C.W.Beausang, S.R.Lesher, J.T.Burke, L.A.Bernstein, L.Phair, H.Ai, G.Gurdal, L.Ahle, D.S.Brenner, M.Carpenter, R.M.Clark, B.Crider, J.Escher, P.Fallon, J.P.Greene, D.J.Hartley, A.A.Hecht, R.V.F.Janssens, T.Lauritsen, I.Y.Lee, C.J.Lister, A.O.Macchiavelli, M.A.McMahan, C.Plettner, J.Rohrer, D.Seweryniak, E.Williams, S.Zhu New Results on Fission Cross Sections in Actinide Nuclei Using the Surrogate Ratio Method and on Conversion Coefficients in Triaxial Strongly Deformed Bands in 167Lu from ICE Ball and Gammasphere NUCLEAR REACTIONS 234,236U(α, α'f), E=55 MeV; measured Eα, fission fragment energy, (fission-fragment)α-coinc. Deduced fission probabilities. Compared results to ENDF data. NUCLEAR REACTIONS 123Sb(48Ca, X)167Lu, E=203 MeV; measured Eγ, Iγ, conversion electron energies, γγ-coinc, (conversion-electron)γ-coinc. 167Lu deduced conversion coefficients.
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
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
2007GA03 Phys.Rev. C 75, 014307 (2007) P.E.Garrett, S.M.Lenzi, E.Algin, D.Appelbe, R.W.Bauer, J.A.Becker, L.A.Bernstein, J.A.Cameron, M.P.Carpenter, R.V.F.Janssens, C.J.Lister, D.Seweryniak, D.D.Warner Spectroscopy of the N = Z - 2 nucleus 46Cr and mirror energy differences NUCLEAR REACTIONS 12C(36Ar, 2n), E=105 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 46Cr deduced levels, J, π, analog states features. Gammasphere array, fragment separator.
doi: 10.1103/PhysRevC.75.014307
2007LY04 Phys.Rev. C 76, 014606 (2007); Erratum Phys.Rev. C 76, 019905 (2007) B.F.Lyles, L.A.Bernstein, J.T.Burke, F.S.Dietrich, J.Escher, I.Thompson, D.L.Bleuel, R.M.Clark, P.Fallon, J.Gibelin, A.O.Macchiavelli, M.A.McMahan, L.Phair, E.Rodriguez-Vieitez, M.Wiedeking, C.W.Beausang, S.R.Lesher, B.Darakchieva, M.Evtimova Absolute and relative surrogate measurements of the 236U(n, f) cross section as a probe of angular momentum effects NUCLEAR REACTIONS 235,238U(3He, αf), E=42 MeV; measured fission fragment spectra in coincidence with α-particles. 236U(n, f), E< 20 MeV; deduced cross sections using the surrogate technique.
doi: 10.1103/PhysRevC.76.014606
2006BU06 Phys.Rev. C 73, 054604 (2006) J.T.Burke, L.A.Bernstein, J.Escher, L.Ahle, J.A.Church, F.S.Dietrich, K.J.Moody, E.B.Norman, L.Phair, P.Fallon, R.M.Clark, M.A.Deleplanque, M.Descovich, M.Cromaz, I.Y.Lee, A.O.Macchiavelli, M.A.McMahan, L.G.Moretto, E.Rodriguez-Vieitez, F.S.Stephens, H.Ai, C.Plettner, C.Beausang, B.Crider Deducing the 237U(n, f) cross section using the surrogate ratio method NUCLEAR REACTIONS 236,238U(α, α'F), E=55 MeV; measured Eα, fission fragment spectra; deduced relative fission yields. 237U(n, F), E=0-20 MeV; deduced fission σ. Surrogate ratio method.
doi: 10.1103/PhysRevC.73.054604
2006CH14 Phys.Rev. C 73, 034311 (2006) R.Chankova, A.Schiller, U.Agvaanluvsan, E.Algin, L.A.Bernstein, M.Guttormsen, F.Ingebretsen, T.Lonnroth, S.Messelt, G.E.Mitchell, J.Rekstad, S.Siem, A.C.Larsen, A.Voinov, S.Odegard Level densities and thermodynamical quantities of heated 93-98Mo isotopes NUCLEAR REACTIONS 94,96Mo(3He, 3He'), (3He, α), E=30 MeV; 98Mo(3He, 3He'), (3He, α), E=45 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin. 93,94,95,96,97,98Mo deduced level densities; deduced thermodynamical quantities, phase transition features.
doi: 10.1103/PhysRevC.73.034311
2006SC07 Phys.Lett. B 633, 225 (2006) A.Schiller, A.Voinov, E.Algin, J.A.Becker, L.A.Bernstein, P.E.Garrett, M.Guttormsen, R.O.Nelson, J.Rekstad, S.Siem Low-energy M1 excitation mode in 172Yb NUCLEAR REACTIONS 173Yb(3He, α), E=45 MeV; 171Yb(n, γ), E=thermal; measured Eγ, Iγ, (particle)γ-coin, γγ-coin. 172Yb deduced radiative strength functions, resonance multipolarity, B(M1).
doi: 10.1016/j.physletb.2005.12.043
2006SC17 Phys.Rev. C 74, 017305 (2006) A.Schiller, A.V.Voinov, E.Algin, L.A.Bernstein, P.E.Garrett, M.Guttormsen, R.O.Nelson, J.Rekstad, S.Siem Primary versus secondary γ intensities in 171Yb(nth, γ) NUCLEAR REACTIONS 171Yb(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin; deduced primary and secondary γ intensities.
doi: 10.1103/PhysRevC.74.017305
2005CH53 Nucl.Phys. A758, 126c (2005) J.A.Church, L.Ahle, L.A.Bernstein, J.Cooper, F.S.Dietrich, J.Escher, C.Forssen, H.Ai, H.Amro, M.Babilon, C.Beausang, J.Caggiano, A.Heinz, R.Hughes, E.McCutchan, D.Meyer, C.Plettner, J.Ressler, V.Zamfir Determining neutron capture cross sections with the Surrogate Reaction Technique: Measuring decay probabilities with STARS NUCLEAR REACTIONS 92Zr(α, α'), (α, 3HeX), (α, tX), (α, dX), (α, pX), E=51 MeV; measured particle spectra. 92Zr(α, α'), (α, xnα), E=51 MeV; measured Eγ, Iγ, αγ-coin. 90,91,92Zr deduced transitions. Surrogate reaction technique.
doi: 10.1016/j.nuclphysa.2005.05.169
2005CL07 Phys.Rev. C 72, 054605 (2005) R.M.Clark, L.W.Phair, M.Descovich, M.Cromaz, M.A.Deleplanque, P.Fallon, I.Y.Lee, A.O.Macchiavelli, M.A.McMahan, L.G.Moretto, E.Rodriguez-Vieitez, S.Sinha, F.S.Stephens, D.Ward, M.Wiedeking, L.A.Bernstein, J.T.Burke, J.A.Church Population of nuclei via 7Li-induced binary reactions NUCLEAR REACTIONS 184W(7Li, xn), (7Li, xnp), (7Li, xnα), E=35-70 MeV; calculated σ. 184W(7Li, X)184Os/185Os/186Os/188Os/184Ir/185Ir/186Ir/183Re/185Re, E=40-70 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, particle yield ratios. 160Gd(7Li, xnp), E=35-65 MeV; analyzed σ. Liberace, Stars arrays.
doi: 10.1103/PhysRevC.72.054605
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
2005FO11 Nucl.Phys. A758, 130c (2005) C.Forssen, L.Ahle, L.A.Bernstein, J.A.Church, F.S.Dietrich, J.Escher, R.D.Hoffman Theoretical challenges of determining low-energy neutron-capture cross sections via the Surrogate Technique
doi: 10.1016/j.nuclphysa.2005.05.026
2005GU16 Phys.Rev. C 71, 044307 (2005) M.Guttormsen, R.Chankova, U.Agvaanluvsan, E.Algin, L.A.Bernstein, F.Ingebretsen, T.Lonnroth, S.Messelt, G.E.Mitchell, J.Rekstad, A.Schiller, S.Siem, A.C.Sunde, A.Voinov, S.Odegard Radiative strength functions in 93-98Mo NUCLEAR REACTIONS 94,96Mo(3He, 3He'), (3He, α), E=30 MeV; 97,98Mo(3He, 3He'), (3He, α), E=45 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin. 93,94,95,96,97,98Mo deduced radiative strength functions.
doi: 10.1103/PhysRevC.71.044307
2005JO03 Phys.Rev. C 71, 024317 (2005) M.S.Johnson, J.A.Cizewski, M.B.Smith, J.S.Thomas, J.A.Becker, L.A.Bernstein, A.Schiller, D.P.McNabb, P.Fallon, A.O.Macchiavelli Population of superdeformed excitations in 198Po NUCLEAR REACTIONS 174Yb(29Si, 5n), E=148 MeV; measured Eγ, Iγ, γγ-coin. 198Po deduced spin-energy entry distributions for superdeformed and normal-deformed rotational bands. Gammasphere array.
doi: 10.1103/PhysRevC.71.024317
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
2005SI07 Acta Phys.Pol. B36, 1089 (2005) S.Siem, M.Guttormsen, E.Algin, U.Agvaanluvsan, T.Belgya, R.Chankova, G.Mitchell, L.A.Bernstein, J.Rekstad, A.Schiller, A.C.Sunde, N.Syed, A.Voinov Soft resonances in hot nuclei NUCLEAR STRUCTURE 93,94,95,96,97,98Mo, 148,149Sm, 161,162Dy, 166,167Er, 171,172Yb; analyzed radiative strength functions, resonance features.
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
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