NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = N.Fotiades Found 84 matches. 2023KE09 Phys.Rev. C 108, 024603 (2023) K.J.Kelly, M.Devlin, J.M.O'Donnell, D.Neudecker, A.E.Lovell, R.C.Haight, C.Y.Wu, R.Henderson, E.A.Bennett, T.Kawano, J.L.Ullmann, N.Fotiades, J.Henderson, S.M.Mosby, T.N.Taddeucci, P.Talou, M.C.White, J.A.Gomez, H.Y.Lee Measurement of the 238U(n, f) prompt fission neutron spectrum from 10 keV to 10 MeV induced by neutrons with 1.5-20 MeV energy NUCLEAR REACTIONS 238U(n, F), E=1.5-20 MeV; measured fission fragments, En, In, neutron time-of-flight, (fragment)n-coin; deduced prompt fission neutron spectrum (PFNS). Systematic trends in PFNS and PFNS ratios for 239Pu, 235U, and 238U obtained in series of Chi-Nu experiments. Comparison to other experimental results, CGMF calculations and data from JEFF-3.3, JENDL-5.0. ENDF/B-VIII libraries. Pulsed white neutron source at Weapons Neutron Research (WNR) facility of the Los Alamos Neutron Science Center (LANSCE). Li-glass array consisting of 22 detectors and liquid scintillator array consisting of 54 detector used for neutron detection, while PPAC used for detecting fission fragments in the frame of Chi-Nu experiment.
doi: 10.1103/PhysRevC.108.024603
2022KE01 Phys.Rev. C 105, 044615 (2022) K.J.Kelly, J.A.Gomez, M.Devlin, J.M.O'Donnell, D.Neudecker, A.E.Lovell, R.C.Haight, C.Y.Wu, R.Henderson, T.Kawano, E.A.Bennett, S.M.Mosby, J.L.Ullmann, N.Fotiades, J.Henderson, T.N.Taddeucci, H.Y.Lee, P.Talou, M.C.White Measurement of the 235U(n, f) prompt fission neutron spectrum from 10 keV to 10 MeV induced by neutrons of energy from 1 MeV to 20 MeV NUCLEAR REACTIONS 235U(n, F), E=0.01-10 MeV; measured In, En, neutron time-of-flight, fission fragments, neutrons angular distributions, (fragment)n-coin; deduced prompt fission neutron spectrum (PFNS), components corresponding to first-, second-, and third-chance fission as well as pre-equilibrium neutron emission preceding fission, mean PFNS energy, ratio to PFNMS obtained in 239Pu(n, F) reaction. Experiment performed as a part of Chi-Nu project aimed to measure the PFNS of major actinides with the Weapons Neutron Research (WNR) facility at the Los Alamos Neutron Science Center (LANSCE). The results are compared with other experimental data, CGMF calculations and selected nuclear data evaluations - ENDF/B-VIII.0, JEFF-3.3, JENDL-5.0.
doi: 10.1103/PhysRevC.105.044615
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
2020FO05 Phys.Rev. C 101, 064608 (2020) N.Fotiades, R.O.Nelson, M.Devlin γ-ray measurements in fast-neutron-induced reactions on 203Tl NUCLEAR REACTIONS 203Tl(n, n'), (n, 2n), (n, 3n), (n, 4n), (n, 5n), (n, 6n), (n, 7n), (n, 9n), (n, 11n), (n, np), (n, 3np), (n, 4np), (n, 5np), (n, 6np), (n, 7np), (n, 8np), (n, 9np), (n, 11np), 203Tl/202Tl/201Tl/200Tl/199Tl/198Tl/197Tl/195Tl/193Tl/202Hg/200Hg/199Hg/198Hg/197Hg/196Hg/195Hg/194Hg/192Hg, E=1-300 MeV; measured Eγ, Iγ, γγ-coin and excitation function for γ rays in 203Tl, partial gamma σ(E) for Hg isotopes using the GEANIE array for γ detection at the Los Alamos Neutron Science Center Weapons Neutron Research facility. 195,197,199,201,203,205Tl; deduced levels, J, π, candidate for 9/2- intruder state in 203Tl. Systematics of 13/2+ level energies in 197,199,201,203,205,207Pb, and the first 5+ and 7+ level energies in 196,198,200,202,204,206Tl. Comparison with semi-empirical weak-coupling model for levels in 203Tl.
doi: 10.1103/PhysRevC.101.064608
2020KE05 Phys.Rev. C 102, 034615 (2020) K.J.Kelly, M.Devlin, J.M.O'Donnell, J.A.Gomez, D.Neudecker, R.C.Haight, T.N.Taddeucci, S.M.Mosby, H.Y.Lee, C.Y.Wu, R.Henderson, P.Talou, T.Kawano, A.E.Lovell, M.C.White, J.L.Ullmann, N.Fotiades, J.Henderson, M.Q.Buckner Measurement of the 239Pu(n, f) prompt fission neutron spectrum from 10 keV to 10 MeV induced by neutrons of energy 1-20 MeV NUCLEAR REACTIONS 239Pu(n, F), E=1-20 MeV; measured outgoing prompt fission neutron spectrum (PFNS) in the range of E(n)=0.01-10 MeV, I(n) using Li-glass detector array and 54-detector EJ-309 liquid scintillator array in Chi-Nu experiment at the WNR-LANSCE-Los Alamos facility; deduced correlation matrix for PFNS from the Li-glass and the liquid scintillator. Comparison of present PFNS results with previous experimental results, and with evaluated data in ENDF/B-VIII.0 and JEFF-3.3 libraries.
doi: 10.1103/PhysRevC.102.034615
2020PR10 Phys.Rev. C 102, 034601 (2020) C.D.Pruitt, R.J.Charity, L.G.Sobotka, J.M.Elson, D.E.M.Hoff, K.W.Brown, M.C.Atkinson, W.H.Dickhoff, H.Y.Lee, M.Devlin, N.Fotiades, S.Mosby Isotopically resolved neutron total cross sections at intermediate energies NUCLEAR REACTIONS 16,18O, 58,64Ni, 103Rh, 112,124Sn(n, X), E=3-450 MeV; measured E(n), I(n), σ(E) by time-of-flight using wave-form-digitizer technology and BC-400 fast plastic scintillators at the WNR facility of the Los Alamos Neutron Science Center; deduced spectroscopic factors for valence proton and neutron levels through a dispersive optical model (DOM) analyses of σ(θ) data. 16,18O, 58,64Ni, 103Rh, 112,124Sn(p, p), (polarized p, p), (n, n), E=10-200 MeV; analyzed experimental σ(E), σ(θ, E), Ay(θ, E) data in literature; deduced dispersive optical model (DOM) parameters, charge radii and binding energies. Comparison with previous experimental measurements of σ(E) using analog methods.
doi: 10.1103/PhysRevC.102.034601
2019FO04 Phys.Rev. C 99, 024606 (2019) N.Fotiades, P.Casoli, P.Jaffke, M.Devlin, R.O.Nelson, T.Granier, P.Talou, T.Ethvignot Prompt fission product yields in the 238U(n, f) reaction NUCLEAR REACTIONS 238U(n, F), E=fast; measured Eγ, Iγ, partial γ-ray σ(E) using GEANIE array for γ detection at the LANSCE-WNR-LANL facility; deduced fission yields of 92Kr, 94,96,98Sr, 100,102,104Zr, 104,106Mo, 128,132Sn, 134,138Te, 138,140Xe, 144,146,148Ba, 150Ce. Comparison with model calculations using CGMF code, and with previous experimental results from γγ-coin technique.
doi: 10.1103/PhysRevC.99.024606
2018DA21 Phys.Rev. C 98, 064606 (2018) S.J.Daugherty, J.B.Albert, L.J.Kaufman, M.Devlin, N.Fotiades, R.O.Nelson, M.Krticka Neutron inelastic scattering measurements on 136Xe at En = 0.7 to 100 MeV NUCLEAR REACTIONS 136Xe(n, n'), (n, 3n), (n, 5n), E=0.7-100 MeV; measured Eγ, Iγ, σ(E) using the GErmanium Array for Neutron Induced Excitations (GEANIE) for γ detection at the Los Alamos Neutron Science Center (LANSCE) Weapons Neutron Research (WNR) facility. 136Xe; deduced levels. Novel calibration method proposed for double-beta decay detectors by observing prompt γ rays form (n, n'). Comparison with other experimental values, and with TALYS simulations.
doi: 10.1103/PhysRevC.98.064606
2018DE08 Nucl.Data Sheets 148, 322 (2018) M.Devlin, J.A.Gomez, K.J.Kelly, R.C.Haight, J.M.O'Donnell, T.N.Taddeucci, H.Y.Lee, S.M.Mosby, B.A.Perdue, N.Fotiades, J.L.Ullmann, C.Y.Wu, B.Bucher, M.Q.Buckner, R.A.Henderson, D.Neudecker, M.C.White, P.Talou, M.E.Rising, C.J.Solomon The Prompt Fission Neutron Spectrum of 235U(n, f) below 2.5 MeV for Incident Neutrons from 0.7 to 20 MeV NUCLEAR REACTIONS 235U(n, F), E=0.7-20 MeV; measured reaction products, En, In, TOF; deduced prompt fission neutron spectrum, σ(E).
doi: 10.1016/j.nds.2018.02.008
2018YA05 Nucl.Phys. A970, 65 (2018) R.Yanez, J.King, J.S.Barrett, W.Loveland, N.Fotiades, H.Y.Lee Total kinetic energy release in the fast neutron induced fission of 235U NUCLEAR REACTIONS 235U(n, F), E=2-100 MeV; measured En, In, fission products; deduced (post neutron emission) TKE. Fusion σ calculated within semi-empirical GEF model.
doi: 10.1016/j.nuclphysa.2017.11.007
2017KI14 Eur.Phys.J. A 53, 238 (2017) J.King, R.Yanez, W.Loveland, J.S.Barrett, B.Oscar, N.Fotiades, F.Tovesson, H.Y.Lee The total kinetic energy release in the fast neutron-induced fission of 232Th NUCLEAR REACTIONS 232Th(n, F), E=3-91 MeV; measured post-emission TKE release; calculated compound nucleus E* vs En, neutron multiplicity; deduced fragment mass distribution, average excitation energy of the fissioning system vs En, neutron multiplicity. Compared to 232Th(p, F) published data.
doi: 10.1140/epja/i2017-12436-9
2016FO21 Phys.Rev. C 94, 044608 (2016) N.Fotiades, M.Devlin, R.O.Nelson, T.Kawano, J.J.Carroll Feeding of Rh and Ag isomers in fast-neutron-induced reactions NUCLEAR REACTIONS 103Rh, 109Ag(n, n'γ), (n, 2nγ), (n, 3nγ), E<90 MeV; measured Eγ, Iγ using GEANIE array for γ-ray detection and the broad-spectrum pulsed neutron source of the LANSCE-WNR facility. 101,102,103Rh, 107,108,109Ag; deduced levels, J, π, absolute γ-ray cross sections as function of incident neutron energy, sums of cross sections and compared with evaluated data in ENDF/B-VII.1, 103Rh, 109Ag(n, γ), (n, n'), (n, 2n), (n, 3n), (n, 4n), (n, 5n), (n, p), (n, np), (n, 2np), (n, 3np), (n, d), (n, nd), (n, 2nd), (n, 3nd), (n, α), (n, nα), (n, 2nα), (n, 3nα), (n, t), (n, nt), (n, 2nt), E=6-44 MeV; calculated production cross sections for various reaction channels using the code CoH3.
doi: 10.1103/PhysRevC.94.044608
2015FO08 Phys.Rev. C 91, 064614 (2015) N.Fotiades, M.Devlin, R.C.Haight, R.O.Nelson, S.Kunieda, T.Kawano α and 2p2n emission in fast neutron-induced reactions on 60Ni NUCLEAR REACTIONS 60Ni(n, α), (n, nα), (n, 2nα), (n, 3nα), (n, 2n2p), (n, 3n2p), (n, 4n2p), (n, 5n2p), E=1-250 MeV; measured Eγ, Iγ, partial Eγ σ(E) using Germanium Array for Neutron-Induced Excitations (GEANIE) at Los Alamos Neutron Science Center's (LANSC) Weapons Neutron Research facility. 54,55,56,57Fe; deduced levels, J, π. Comparison with Hauser-Feshbach plus pre-equilibrium reaction model calculations using GNASH and CoH3 computer codes. Comparison with previous experimental σ data for 16O, 48Ti, 92Mo(n, α), (n, nα), 51V(p, pα), E=1-150 MeV.
doi: 10.1103/PhysRevC.91.064614
2015HA01 Nucl.Data Sheets 123, 130 (2015) R.C.Haight, C.Y.Wu, H.Y.Lee, T.N.Taddeucci, B.A.Perdue, J.M.O'Donnell, N.Fotiades, M.Devlin, J.L.Ullmann, T.A.Bredeweg, M.Jandel, R.O.Nelson, S.A.Wender, D.Neudecker, M.E.Rising, S.Mosby, S.Sjue, M.C.White, B.Bucher, R.Henderson The LANL/LLNL Prompt Fission Neutron Spectrum Program at LANSCE and Approach to Uncertainties NUCLEAR REACTIONS 239Pu(n, F), E<15 MeV; analyzed available data; deduced possible prompt fission neutron spectra σ, yields, correlation matrices.
doi: 10.1016/j.nds.2014.12.023
2015MA60 Phys.Rev. C 92, 054304 (2015) D.A.Matters, N.Fotiades, J.J.Carroll, C.J.Chiara, J.W.McClory, T.Kawano, R.O.Nelson, M.Devlin New transitions and feeding of the Jπ = (8+) isomer in 186Re NUCLEAR REACTIONS 187Re(n, 2n), E=10-25 MeV; measured Eγ, Iγ, nγ-, γγ-coin, time-of-flight for neutrons, excitation functions using GEANIE array at LANL-Neutron Science Center Weapons Neutron Research facility. 186Re; deduced levels, J, π, improved energy of the long-lived (8+) isomer in 186Re. Comparison with previous experimental results, and with COH 3.4 and TALYS 1.6 calculations.
doi: 10.1103/PhysRevC.92.054304
2014DE19 Nucl.Data Sheets 120, 48 (2014) M.Devlin, R.O.Nelson, N.Fotiades, J.M.O'Donnell New Millisecond Isomer Lifetime Measurements at LANSCE RADIOACTIVITY 71Ge, 114I, 208Bi, 88Y, 75As(IT); measured decay products, Eγ, Iγ.; deduced isomeric T1/2. Comparison with available data.
doi: 10.1016/j.nds.2014.07.003
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
2014FO14 Nucl.Data Sheets 119, 124 (2014) N.Fotiades, M.Devlin, R.C.Haight, T.Kawano, S.Kunieda, R.O.Nelson Measurements of Partial γ-ay Cross Sections in 60Ni(n, xnypzαγ) Reactions NUCLEAR REACTIONS 60Ni(n, xnypzα), E=1-100 MeV[neutrons from W(p, n), E=800 MeV]; measured discrete γ rays using Ge spectrometer GEANIE. 51Cr, 54Mn, 55,56Fe, 57,58,59Co, 58,59,60Ni deduced σ to discrete levels. 60Ni calculated σ to discrete levels using GNASH.
doi: 10.1016/j.nds.2014.08.035
2014HA27 Nucl.Data Sheets 119, 205 (2014) R.C.Haight, H.Y.Lee, T.N.Taddeucci, J.M.O'Donnell, B.A.Perdue, N.Fotiades, M.Devlin, J.L.Ullmann, A.Laptev, T.Bredeweg, M.Jandel, R.O.Nelson, S.A.Wender, M.C.White, C.Y.Wu, E.Kwan, A.Chyzh, R.Henderson, J.Gostic The Prompt Fission Neutron Spectrum (PFNS) Measurement Program at LANSCE
doi: 10.1016/j.nds.2014.08.057
2014KW05 Nucl.Data Sheets 119, 221 (2014) E.Kwan, C.Y.Wu, R.C.Haight, H.Y.Lee, T.A.Bredeweg, A.Chyzh, M.Devlin, N.Fotiades, J.M.Gostic, R.A.Henderson, M.Jandel, A.Laptev, R.O.Nelson, J.M.O'Donnell, B.A.Perdue, T.N.Taddeucci, J.L.Ullmann, S.A.Wender Prompt Fission γ-rays Measured Using Liquid Scintillators NUCLEAR REACTIONS 235U(n, F), E=1-20 MeV; measured prompt Eγ, Iγ, γγ-coin using FIGARO; deduced γ-ray spectrum, unfolded using SVD and iterative Bayesian techniques. Compared to 235Cf(SF). RADIOACTIVITY 235Cf(SF); measured prompt Eγ, Iγ, γγ-coin using FIGARO; deduced γ-ray spectrum, unfolded using SVD and iterative Bayesian techniques. Compared to 235U(n, F).
doi: 10.1016/j.nds.2014.08.061
2014PE14 Nucl.Data Sheets 119, 371 (2014) B.A.Perdue, T.N.Taddeucci, R.C.Haight, T.Bredeweg, M.Devlin, N.Fotiades, M.Jandel, A.Laptev, H.Y.Lee, R.O.Nelson, J.M.O'Donnell, J.L.Ullmann, S.A.Wender, C.Y.Wu, E.Kwan, A.Chyzh, R.A.Henderson, J.M.Gostic Development of an Array of Liquid Scintillators to Measure the Prompt Fission Neutron Spectrum at LANSCE
doi: 10.1016/j.nds.2014.08.102
2014YA10 Phys.Rev. C 89, 051604 (2014) R.Yanez, L.Yao, J.King, W.Loveland, F.Tovesson, N.Fotiades Excitation energy dependence of the total kinetic energy release in 235U(n, f) NUCLEAR REACTIONS 235U(n, F), E=3.2-50 MeV; measured (fission fragment)(fission fragment)-coin, time-of-flight, total kinetic energy (ETKE) release as function of incident neutron energy at WNR-LANSCE-LANL facility; deduced dependence of ETKE and total excitation energy (ETXE) on E(n). Comparison with GEF model predictions, and with previous experimental results.
doi: 10.1103/PhysRevC.89.051604
2013BO14 Phys.Rev. C 87, 064607 (2013) M.S.Boswell, S.R.Elliott, D.V.Perepelitsa, M.Devlin, N.Fotiades, R.O.Nelson, T.Kawano, V.E.Guiseppe Neutron inelastic scattering in natural Cu as a background in neutrinoless double-β decay experiments NUCLEAR REACTIONS 63,65Cu(n, n'), (n, 2n), E=0.2-800 MeV; measured Eγ, Iγ for 119 γ rays, γ-ray production σ(E) and level σ(E) by activation technique using GEANIE spectrometer at LANSC facility. Natural Cu target. GEANT4 simulations of γ-ray spectra and total σ(E) and compared with experimental data for benchmarking of background events in double β decay experiments. Comparison with statistical model calculations and with evaluated data library ENDF/B-VII. Estimated γ-ray production σ of 16 γ rays in Cu isotopes for E(n)=2.897-4.196 MeV which are potential background lines in 0νββ decay experiments for 48Ca, 76Ge, 84Se, 96Zr, 100Mo, 116Cd, 130Te and 150Nd isotopes.
doi: 10.1103/PhysRevC.87.064607
2013FO13 Phys.Rev. C 87, 044336 (2013) N.Fotiades, M.Devlin, R.O.Nelson, T.Granier Low-spin states in 86Kr from the (n, n') reaction NUCLEAR REACTIONS 86Kr(n, n'), E=1-20 MeV; measured Eγ, Iγ, E(n), I(n) by time-of-flight, σ(E) using GEANIE spectrometer at the LANSCE, WNR facility. 86Kr; deduced levels, J, π. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.87.044336
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
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
2012KW01 Nucl.Instrum.Methods Phys.Res. A688, 55 (2012) E.Kwan, C.Y.Wu, R.C.Haight, H.Y.Lee, T.A.Bredeweg, A.Chyzh, M.Devlin, N.Fotiades, J.M.Gostic, R.A.Henderson, M.Jandel, A.Laptev, R.O.Nelson, J.M.O'Donnell, B.A.Perdue, T.N.Taddeucci, J.L.Ullmann, S.A.Wender Prompt energy distribution of 235U(n, f)γ at bombarding energies of 1-20 MeV NUCLEAR REACTIONS 235U(n, F), E=1-20 MeV; measured reaction products, Eγ, Iγ; deduced prompt γ-rays distribution. Comparison with GEANT4 simulations. RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ; deduced prompt γ-rays distribution. Comparison with GEANT4 simulations.
doi: 10.1016/j.nima.2012.06.003
2012MA23 Phys.Rev. C 85, 064614 (2012) S.MacMullin, M.Boswell, M.Devlin, S.R.Elliott, N.Fotiades, V.E.Guiseppe, R.Henning, T.Kawano, B.H.LaRoque, R.O.Nelson, J.M.O'Donnell Partial γ-ray production cross sections for (n, xnγ) reactions in natural argon at 1-30 MeV NUCLEAR REACTIONS Ar(n, xnγ)39Ar/40Ar, E=1-30 MeV; measured Eγ, Iγ, E(n), time-of-flight, partial γ-ray σ(E) for six excited states in 40Ar and two excited states in 39Ar, elastic and inelastic neutron scattering cross sections. GEANIE array at LANSCE facility. Comparison with calculations using TALYS and CoH3 reaction codes. Relevance to identification of potential backgrounds in neutrinoless double-β decay, dark matter and WIMP experiments.
doi: 10.1103/PhysRevC.85.064614
2012MA59 Phys.Rev. C 86, 067601 (2012) S.MacMullin, M.Boswell, M.Devlin, S.R.Elliott, N.Fotiades, V.E.Guiseppe, R.Henning, T.Kawano, B.H.LaRoque, R.O.Nelson, J.M.O'Donnell Neutron-induced γ-ray production cross sections for the first excited-state transitions in 20Ne and 22Ne NUCLEAR REACTIONS 20,22Ne(n, n), (n, n'), E=1-100 MeV; measured Eγ, Iγ using GEANIE array at LANSCE facility; deduced σ for population of first 2+ and 4+ states in 20,22Ne, σ for elastic to γ-ray production channel. Comparison with TALYS and CoH3 calculations.
doi: 10.1103/PhysRevC.86.067601
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
2010DA13 Nucl.Instrum.Methods Phys.Res. B268, 114 (2010) D.Dashdorj, G.E.Mitchell, T.Kawano, M.Devlin, N.Fotiades, R.O.Nelson, J.A.Becker, C.Y.Wu, P.E.Garrett, S.Kuneida (n, 2n) and (n, 3n) cross-sections of neutron-induced reactions on 150Sm for En=1-35 MeV NUCLEAR REACTIONS 150Sm(n, 2n), (n, 3n), (n, 2nγ), (n, 3nγ), E<35 MeV; measured TOF, Eγ, Iγ; deduced σ. Comparison with FKK GNASH calculations.
doi: 10.1016/j.nimb.2009.10.189
2010FO01 Phys.Rev. C 81, 037304 (2010) N.Fotiades, R.O.Nelson, M.Devlin First 3- excited state of 56Fe NUCLEAR REACTIONS 56Fe(n, n'γ), E=1-250 MeV; measured Eγ, Iγ, γγ-coin using GEANIE array. 56Fe; deduced levels, J, π. Discussed first 3- state in 56Fe.
doi: 10.1103/PhysRevC.81.037304
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
2010SH03 Nucl.Instrum.Methods Phys.Res. A614, 468 (2010) R.Shane, R.J.Charity, J.M.Elson, L.G.Sobotka, M.Devlin, N.Fotiades, J.M.O'Donnell Total neutron cross-sections for rare isotopes using a digital-signal-processing technique: Case study 48Ca NUCLEAR REACTIONS 40,48Ca(n, X), E=15-300 Mev; measured TOF, En, In; deduced σ.
doi: 10.1016/j.nima.2010.01.005
2009FO07 Phys.Rev. C 80, 044612 (2009) N.Fotiades, R.O.Nelson, M.Devlin, S.Holloway, T.Kawano, P.Talou, M.B.Chadwick, J.A.Becker, P.E.Garrett Feeding of the 11/2- isomers in stable Ir and Au isotopes NUCLEAR REACTIONS 191,193Ir, 197Au(n, n'γ), E<20 MeV; measured Eγ, Iγ, σ, half-lives of 11/2- isomers using GEANIE array. 191m,193mIr, 197mAu; deduced levels, J, π, multipolarities. Comparison of measured σ with predictions from FKK-GNASH reaction model.
doi: 10.1103/PhysRevC.80.044612
2009GU12 Phys.Rev. C 79, 054604 (2009) V.E.Guiseppe, M.Devlin, S.R.Elliott, N.Fotiades, A.Hime, D.-M.Mei, R.O.Nelson, D.V.Perepelitsa Neutron inelastic scattering and reactions in natural Pb as a background in neutrinoless double-β-decay experiments NUCLEAR REACTIONS Pb(n, xn), E=2.87-200 MeV; measured Eγ, Iγ, σ. Estimated contribution from background radiation produced in Pb(n, xn) reactions in experiments to detect neutrinoless double-β decay of 76Ge, 82Se, 100Mo, 130Te, 136Xe and 150Nd
doi: 10.1103/PhysRevC.79.054604
2009HU09 Phys.Rev. C 80, 014603 (2009) A.Hutcheson, C.Angell, J.A.Becker, A.S.Crowell, D.Dashdorj, B.Fallin, N.Fotiades, C.R.Howell, H.J.Karwowski, T.Kawano, J.H.Kelley, E.Kwan, R.A.Macri, R.O.Nelson, R.S.Pedroni, A.P.Tonchev, W.Tornow Cross sections for 238U(n, n'γ) and 238U(n, 2nγ) reactions at incident neutron energies between 5 and 14 MeV NUCLEAR REACTIONS 238U(n, n'γ), (n, 2nγ), E=5-14 MeV; measured Eγ, yields, σ and excitation functions. Comparison with existing data and calculations using the GNASH and TALYS Hauser-Feshbach statistical-model codes.
doi: 10.1103/PhysRevC.80.014603
2008FO03 Phys.Rev. C 77, 024306 (2008) N.Fotiades, R.O.Nelson, M.Devlin, J.A.Becker New levels and a lifetime measurement in 204Tl NUCLEAR REACTIONS 205Tl(n, 2nγ), E<25 MeV; measured Eγ, Iγ, γγ-coin, half-lives; 204Tl; deduced levels, J, π, configurations. 196,198,200,202,206Tl; systematics.
doi: 10.1103/PhysRevC.77.024306
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
2007FO06 Phys.Rev. C 76, 014302 (2007) N.Fotiades, R.O.Nelson, M.Devlin, J.A.Becker New levels and a lifetime measurement in 202Tl NUCLEAR REACTIONS 203Tl(n, 2nγ), E=0.6-250 MeV; measured Eγ, Iγ, γγ-coinc, and excitation functions. 202Tl deduced levels, J, π.
doi: 10.1103/PhysRevC.76.014302
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
2005SE11 Phys.Rev. C 71, 054319 (2005) D.Seweryniak, J.Uusitalo, P.Bhattacharyya, M.P.Carpenter, J.A.Cizewski, K.Y.Ding, C.N.Davids, N.Fotiades, R.V.F.Janssens, T.Lauritsen, C.J.Lister, A.O.Macchiavelli, D.Nisius, P.Reiter, W.B.Walters, P.J.Woods Multiparticle configurations in N = 84 isotones located at the proton drip line NUCLEAR REACTIONS 102Pd(58Ni, 2n), (58Ni, 2np), (58Ni, 2n2p), E=270 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 156Hf, 157Ta, 158W deduced levels, J, π, isomeric states T1/2. Gammasphere array, recoil-decay tagging, shell model calculations.
doi: 10.1103/PhysRevC.71.054319
2004AB16 Phys.Rev. C 70, 024310 (2004) K.Abu Saleem, R.V.F.Janssens, M.P.Carpenter, F.G.Kondev, I.Wiedenhover, I.Ahmad, J.Caggiano, P.Chowdhury, J.A.Cizewski, D.Cline, M.Devlin, N.Fotiades, J.P.Greene, G.Hackman, A.Heinz, T.L.Khoo, T.Lauritsen, C.J.Lister, A.O.Macchiavelli, E.H.Seabury, D.Seweryniak, A.Sonzogni, C.Y.Wu Alignments in the odd-proton actinides 237Np and 241Am NUCLEAR REACTIONS 237Np(209Bi, X)237Np/241Am, E=1450 MeV; measured Eγ, Iγ, γγ-coin. 237Np, 241Am deduced high-spin levels, J, π, configurations. Gammasphere array, cranked mean-field calculations.
doi: 10.1103/PhysRevC.70.024310
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
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
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
2001DI17 Phys.Rev. C64, 034315 (2001) K.Y.Ding, J.A.Cizewski, D.Seweryniak, H.Amro, M.P.Carpenter, C.N.Davids, N.Fotiades, R.V.F.Janssens, T.Lauritsen, C.J.Lister, D.Nisius, P.Reiter, J.Uusitalo, I.Wiedenhover, A.O.Macchiavelli Excited States in 155Yb and 155, 156, 157Lu from Recoil-Decay Tagging NUCLEAR REACTIONS 102Pd(58Ni, n4p), (58Ni, 2n3p), (58Ni, n3p), (58Ni, 3p), E=270 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 155Yb, 155,156,157Lu deduced high-spin levels, J, π, configurations, role of neutron-proton interaction. Gammasphere array, fragment mass analyzer, recoil-decay tagging. Level systematics in neighboring nuclides discussed.
doi: 10.1103/PhysRevC.64.034315
2001FI05 Nucl.Phys. A682, 35c (2001) S.M.Fischer, D.P.Balamuth, C.J.Lister, P.A.Hausladen, M.P.Carpenter, D.Seweryniak, D.Jenkins, D.Svelnys, J.Schwartz, S.J.Freeman, M.Leddy, B.J.Varley, J.Durrell, L.Bernstein, P.Garrett, R.Bauer, J.Becker, D.G.Sarantites, J.Ressler, N.Fotiades Observation of Delayed Alignment in N = Z Nuclei 72Kr, 76Sr and 80Zr NUCLEAR REACTIONS 40Ca(40Ca, 2α), E=160 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 24Mg(54Fe, 2n), E=180 MeV; 24Mg(58Ni, 2n), E=200 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 72Kr, 76Sr, 80Zr deduced rotational band transitions, configurations. Gammasphere and Microball arrays, fragment mass analyzer.
doi: 10.1016/S0375-9474(00)00619-9
2001FI13 Phys.Rev.Lett. 87, 132501 (2001) S.M.Fischer, C.J.Lister, D.P.Balamuth, R.Bauer, J.A.Becker, L.A.Bernstein, M.P.Carpenter, J.Durell, N.Fotiades, S.J.Freeman, P.E.Garrett, P.A.Hausladen, R.V.F.Janssens, D.Jenkins, M.Leddy, J.Ressler, J.Schwartz, D.Svelnys, D.G.Sarantites, D.Seweryniak, B.J.Varley, R.Wyss Alignment Delays in the N = Z Nuclei 72Kr, 76Sr, and 80Zr NUCLEAR REACTIONS 40Ca(40Ca, 2α), E=160 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, σ. 24Mg(54Fe, 2n), E=180 MeV; 24Mg(58Ni, 2n), E=200 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin, σ. 72Kr, 76Sr, 80Zr deduced high-spin levels, J, π, delayed alignment. Gammasphere, Microball arrays, fragment mass analyzer.
doi: 10.1103/PhysRevLett.87.132501
2001SE03 Phys.Rev.Lett. 86, 1458 (2001) D.Seweryniak, P.J.Woods, J.J.Ressler, C.N.Davids, A.Heinz, A.A.Sonzogni, J.Uusitalo, W.B.Walters, J.A.Caggiano, M.P.Carpenter, J.A.Cizewski, T.Davinson, K.Y.Ding, N.Fotiades, U.Garg, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, T.Lauritsen, C.J.Lister, P.Reiter, J.Shergur, I.Wiedenhover Rotational Bands in the Proton Emitter 141Ho NUCLEAR REACTIONS 54Fe(92Mo, 4np), E=502 MeV; 92Mo(54Fe, 4np), E=292 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 141Ho deduced high-spin levels, J, π, configurations, deformation. Gammasphere array, mass separator, recoil-decay tagging technique.
doi: 10.1103/PhysRevLett.86.1458
2001SE05 Nucl.Phys. A682, 247c (2001) D.Seweryniak, P.J.Woods, J.J.Ressler, C.N.Davids, A.Heinz, A.A.Sonzogni, J.Uusitalo, W.B.Walters, J.A.Caggiano, M.P.Carpenter, J.A.Cizewski, T.Davinson, K.Y.Ding, N.Fotiades, U.Garg, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, T.Lauritsen, C.J.Lister, P.Reiter, J.Shergur, I.Wiedenhover GAMMASPHERE + FMA: A journey beyond the proton drip-line
doi: 10.1016/S0375-9474(00)00647-3
2000DI18 Phys.Rev. C62, 034316 (2000) K.Y.Ding, J.A.Cizewski, D.Seweryniak, H.Amro, M.P.Carpenter, C.N.Davids, N.Fotiades, R.V.F.Janssens, T.Lauritsen, C.J.Lister, D.Nisius, P.Reiter, J.Uusitalo, I.Wiedenhover, A.O.Macchiavelli High-Spin Excitations in 158, 159, 160Hf from Recoil-Decay Tagging NUCLEAR REACTIONS Pd(58Ni, xnypzα)158Hf/159Hf/160Hf, E=270 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin, Eα, αγ-coin following recoil decay. 158,159,160Hf deduced high-spin levels, J, π, configurations, aligned angular momenta. Gammasphere array, fragment mass analyzer, recoil-decay tagging. Systematics of neighboring isotopes discussed.
doi: 10.1103/PhysRevC.62.034316
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
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
2000RE05 Phys.Rev.Lett. 84, 3542 (2000) P.Reiter, T.L.Khoo, T.Lauritsen, C.J.Lister, D.Seweryniak, A.A.Sonzogni, I.Ahmad, N.Amzal, P.Bhattacharyya, P.A.Butler, M.P.Carpenter, A.J.Chewter, J.A.Cizewski, C.N.Davids, K.Y.Ding, N.Fotiades, J.P.Greene, P.T.Greenlees, A.Heinz, W.F.Henning, R.-D.Herzberg, R.V.F.Janssens, G.D.Jones, H.Kankaanpaa, F.G.Kondev, W.Korten, M.Leino, S.Siem, J.Uusitalo, K.Vetter, I.Wiedenhover Entry Distribution, Fission Barrier, and Formation Mechanism of 102254No NUCLEAR REACTIONS 208Pb(48Ca, 2n), E=215, 219 MeV; measured Eγ, Iγ, (recoil)γ, γγ-coin, γ multiplicity; deduced residual nucleus entry state spin and energy distribution. 254No deduced fission barrier features, shell correction effects.
doi: 10.1103/PhysRevLett.84.3542
1999AN22 J.Phys.(London) G25, 835 (1999) A.N.Andreyev, N.Bijnens, M.Huyse, P.Van Duppen, M.Leino, T.Enqvist, P.Kuusiniemi, W.Trzaska, J.Uusitalo, N.Fotiades, 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, L.F.Conticchio α-Decay Characteristics of Neutron-Deficient 190, 192Po Nuclei and Alpha Branching Ratios of 186, 188Pb Isotopes RADIOACTIVITY 190,192Po(α) [from 164Er(32S, xn) and 144Sm(48Ti, xn)]; measured Eα, Iα, T1/2. 186,188Pb deduced α-branching ratios. Systematics of reduced α-widths in mass region discussed.
1999FO02 Phys.Rev. C59, 2919 (1999) N.Fotiades, J.A.Cizewski, C.J.Lister, C.N.Davids, R.V.F.Janssens, D.Seweryniak, M.P.Carpenter, T.L.Khoo, T.Lauritsen, D.Nisius, P.Reiter, J.Uusitalo, I.Wiedenhover, A.O.Macchiavelli, R.W.MacLeod Deformed Negative-Parity Excitations in 71As NUCLEAR REACTIONS 58Ni(16O, 3p), E=59.5 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 71As deduced high-spin levels, J, π, rotational bands features. Gammasphere array, recoil mass separation. Cranked Nilsson model calculations.
doi: 10.1103/PhysRevC.59.2919
1999FO14 Phys.Rev. C60, 057302 (1999) N.Fotiades, J.A.Cizewski, C.J.Lister, C.N.Davids, R.V.F.Janssens, D.Seweryniak, M.P.Carpenter, T.L.Khoo, T.Lauritsen, D.Nisius, P.Reiter, J.Uusitalo, I.Wiedenhover, A.O.Macchiavelli, R.W.MacLeod Odd-Even Staggering in the πg9/2νg9/2 Band in 72Br NUCLEAR REACTIONS 58Ni(16O, np), E=59.5 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 72Br deduced high-spin levels, possible J, π, configurations, signature splitting. Gammasphere array, fragment mass analyzer.
doi: 10.1103/PhysRevC.60.057302
1999KR19 Eur.Phys.J. A 5, 367 (1999) R.Krucken, Z.Wang, S.J.Asztalos, J.A.Becker, L.A.Bernstein, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, N.Fotiades, K.Hauschild, I.Y.Lee, A.O.Macchiavelli, G.J.Schmid, F.S.Stephens, K.Vetter Quadrupole Moments of Superdeformed Bands in 193Tl NUCLEAR REACTIONS 176Yb(23Na, 6n), E=129 MeV; measured Eγ, Iγ(θ)γγ-coin, DSA. 193Tl deduced high-spin levels, J, π, superdeformed-band quadrupole moments, no linking transitions found. GAMMASPHERE array.
doi: 10.1007/s100500050298
1999RE02 Phys.Rev.Lett. 82, 509 (1999) P.Reiter, T.L.Khoo, C.J.Lister, D.Seweryniak, I.Ahmad, M.Alcorta, M.P.Carpenter, J.A.Cizewski, C.N.Davids, G.Gervais, J.P.Greene, W.F.Henning, R.V.F.Janssens, T.Lauritsen, S.Siem, A.A.Sonzogni, D.Sullivan, J.Uusitalo, I.Wiedenhover, N.Amzal, P.A.Butler, A.J.Chewter, K.Y.Ding, N.Fotiades, J.D.Fox, P.T.Greenlees, R.-D.Herzberg, G.D.Jones, W.Korten, M.Leino, K.Vetter Ground-State Band and Deformation of the Z = 102 Isotope 254No NUCLEAR REACTIONS 208Pb(48Ca, 2n), E=215 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 254No deduced levels, J, π, rotational band, deformation. Gammasphere array, recoil-decay tagging.
doi: 10.1103/PhysRevLett.82.509
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
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
1997FO06 Phys.Rev. C56, 723 (1997) N.Fotiades, 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 193,195,197Po NUCLEAR REACTIONS Er(32S, X), E=164 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-, αγ-coin. 193,195,197Po deduced high-spin levels, possible J, π, decay to 13/2+ isomers, configurations. Recoil decay tagged technique, RMA. RADIOACTIVITY 193m,195m,197mPo(α); measured Eα, T1/2.
doi: 10.1103/PhysRevC.56.723
1997FO08 Z.Phys. A359, 7 (1997) N.Fotiades, 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.Andreyev Yrast Excitations in 191Pb NUCLEAR REACTIONS 164Er(32S, nα), 166Er(32S, 3nα), E=164 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 191Pb deduced levels, possible J, π. Data from other Pb isotopes compared. Fragment mass analyzer.
doi: 10.1007/s002180050358
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
1997SE06 Z.Phys. A358, 37 (1997) M.Serris, C.T.Papadopoulos, R.Vlastou, C.A.Kalfas, S.Kossionides, N.Fotiades, S.Harissopulos, C.W.Beausang, M.J.Joyce, E.S.Paul, M.A.Bentley, S.Araddad, J.Simpson, J.F.Sharpey-Schafer High Spin Structures of 122Xe NUCLEAR REACTIONS 96Zr(30Si, 4n), E=135 MeV; measured Eγ, Iγ, γγ-coin, DCO ratios. 122Xe deduced high-spin levels, J, π, mixing ratios, B(λ) ratios. Cranked shell model analysis.
doi: 10.1007/s002180050274
1997SE09 Z.Phys. A358, 135 (1997) M.Serris, C.T.Papadopoulos, R.Vlastou, C.A.Kalfas, S.Kossionides, N.Fotiades, S.Harissopulos, C.W.Beausang, M.J.Joyce, E.S.Paul, M.A.Bentley, J.Simpson, J.F.Sharpey-Schafer Dipole structures in 122Xe NUCLEAR REACTIONS 96Zr(30Si, 4n), E=135 MeV; measured Eγ, Iγ, γγ-coin. 122Xe deduced levels, J, π, configurations, B(M1)/B(E2) ratios.
doi: 10.1007/s002180050289
1996FO01 Z.Phys. A354, 169 (1996) N.Fotiades, S.Harissopulos, C.A.Kalfas, S.Kossionides, C.T.Papadopoulos, R.Vlastou, M.Serris, J.F.Sharpey-Schafer, M.J.Joyce, C.W.Beausang, P.J.Dagnall, P.D.Forsyth, S.J.Gale, P.M.Jones, E.S.Paul, P.J.Twin, J.Simpson, D.M.Cullen, P.Fallon, M.A.Riley, R.M.CLark, K.Hauschild, R.Wadsworth High Spin Structures in 194Hg NUCLEAR REACTIONS 150Nd(48Ca, 4n), E=213 MeV; measured γγ-coin. 194Hg deduced high-spin levels, J, π, B(λ) ratios.
doi: 10.1007/s002180050029
1995FO13 J.Phys.(London) G21, 911 (1995) N.Fotiades, S.Harissopulos, C.A.Kalfas, S.Kossionides, C.T.Papadopoulos, R.Vlastou, M.Serris, M.Meyer, N.Redon, R.Duffait, Y.Le Coz, L.Ducroux, F.Hannachi, I.Deloncle, B.Gall, M.G.Porquet, C.Schuck, F.Azaiez, J.Duprat, A.Korichi, J.F.Sharpey-Schafer, M.J.Joyce, C.W.Beausang, P.J.Dagnall, P.D.Forsyth, S.J.Gale, P.M.Jones, E.S.Paul, J.Simpson, R.M.Clark, K.Hauschild, R.Wadsworth Highly Excited ΔI = 1 Structure in 193Hg NUCLEAR REACTIONS 150Nd(48Ca, 5n), E=213 MeV; measured γγ-coin, γγ(θ). 193Hg deduced high-spin levels, J, π, decay features. Enriched targets, Ge detectors. Cranked shell model interpretation.
1995PA28 Z.Phys. A352, 243 (1995) C.T.Papadopoulos, R.Vlastou, M.Serris, A.G.Hartas, N.Fotiades, C.A.Kalfas, S.Harissopulos, S.Kossionides, J.Simpson, E.S.Paul, S.Araddad, C.W.Beausang, M.A.Bentley, M.J.Joyce, J.F.Sharpey-Schafer High Spin Levels in 119Te NUCLEAR REACTIONS 96Zr(30Si, 3nα), E=135 MeV; measured γγ-coin. 119Te deduced high-spin levels, J, π, configuration, band structure.
doi: 10.1007/BF01289495
1994JO10 Phys.Lett. 340B, 150 (1994) M.J.Joyce, J.F.Sharpey-Schafer, M.A.Riley, D.M.Cullen, F.Azaiez, C.W.Beausang, R.M.Clark, P.J.Dagnall, I.Deloncle, J.Duprat, P.Fallon, P.D.Forsyth, N.Fotiades, S.J.Gale, B.Gall, F.Hannachi, S.Harissopulos, K.Hauschild, P.M.Jones, C.A.Kalfas, A.Korichi, Y.Le Coz, M.Meyer, E.S.Paul, M.G.Porquet, N.Redon, C.Schuck, J.Simpson, R.Vlastou, R.Wadsworth, W.Nazarewicz The N = 7 Unfavoured Superdeformed Band in 193Hg: Coriolis splitting and neutron shell structure at extreme deformation NUCLEAR REACTIONS 150Nd(48Ca, 5n), E=213 MeV; measured γγ-coin, Eγ, Iγ. 193Hg deduced high-spin levels, J, π, superdeformed band.
doi: 10.1016/0370-2693(94)01285-7
1994VL02 Nucl.Phys. A580, 133 (1994) R.Vlastou, C.T.Papadopoulos, M.Serris, C.A.Kalfas, N.Fotiades, S.Harissopulos, S.Kossionides, J.F.Sharpey-Schafer, E.S.Paul, P.D.Forsyth, P.J.Nolan, N.D.Ward, M.A.Riley, J.Simpson, J.C.Lisle, P.M.Walker, M.Guttormsen, J.Rekstad High-Spin Structure of 155Dy NUCLEAR REACTIONS 156Gd(3He, 4n), E=39 MeV; 124Sn(36S, 5n), E=155 MeV; measured γγ-coin. 155Dy deduced high-spin levels, J, π, B(λ) ratios, band structure.
doi: 10.1016/0375-9474(94)90819-2
1993JO09 Phys.Rev.Lett. 71, 2176 (1993) M.J.Joyce, J.F.Sharpey-Schafer, P.J.Twin, C.W.Beausang, D.M.Cullen, M.A.Riley, R.M.Clark, P.J.Dagnall, I.Deloncle, J.Duprat, P.Fallon, P.D.Forsyth, N.Fotiades, S.J.Gale, B.Gall, F.Hannachi, S.Harissopulos, K.Hauschild, P.M.Jones, C.A.Kalfas, A.Korichi, Y.Le Coz, M.Meyer, E.S.Paul, M.G.Porquet, N.Redon, C.Schuck, J.Simpson, R.Vlastou, R.Wadsworth First Measurement of Magnetic Properties in a Superdeformed Nucleus: 193Hg NUCLEAR REACTIONS 150Nd(48Ca, 5n), E=213 MeV; measured γγ-coin. 193Hg deduced levels, J, π, B(λ), M1/E2 branching ratios, superdeformed bands linking, g factor. Strong coupling model.
doi: 10.1103/PhysRevLett.71.2176
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