NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = K.E.Gregorich Found 151 matches. Showing 1 to 100. [Next]2020KH11 Phys.Rev. C 102, 064602 (2020) J.Khuyagbaatar, A.Yakushev, Ch.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Asai, M.Block, R.A.Boll, H.Brand, D.M.Cox, M.Dasgupta, X.Derkx, A.Di Nitto, K.Eberhardt, J.Even, M.Evers, C.Fahlander, U.Forsberg, J.M.Gates, N.Gharibyan, P.Golubev, K.E.Gregorich, J.H.Hamilton, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.J.Hinde, J.Hoffmann, R.Hollinger, A.Hubner, E.Jager, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, M.Laatiaoui, S.Lahiri, R.Lang, B.Lommel, M.Maiti, K.Miernik, S.Minami, A.K.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, G.K.Pang, P.Papadakis, D.Renisch, J.B.Roberto, D.Rudolph, J.Runke, K.P.Rykaczewski, L.G.Sarmiento, M.Schadel, B.Schausten, A.Semchenkov, D.A.Shaughnessy, P.Steinegger, J.Steiner, E.E.Tereshatov, P.Thorle-Pospiech, K.Tinschert, T.Torres De Heidenreich, N.Trautmann, A.Turler, J.Uusitalo, M.Wegrzecki, N.Wiehl, S.M.Van Cleve, V.Yakusheva Search for elements 119 and 120 NUCLEAR REACTIONS 249Bk, 249Cf(50Ti, X)299119*/299120*, E(average)=281.5 MeV; measured evaporation residues (ERs), Eα, correlated ER-α and ER-α1-α2-SF events using UNILAC accelerator, TASCA separator, and Focal plane detector system (FPDS) consisting of double-sided silicon strip (DSSD) detectors, and Si-strip detectors for position and time correlations of events. 295,296119, 295,296120; deduced no evidence for non-random correlated events related to 3n- or 4n-channel deexcitations of the compound nuclei 299119 and 299120, within a sensitivity limit of one event corresponding to σ=65 fb for 249Bk+50Ti reaction and σ=200 fb for 249Cf+50Ti; discussed nonobservation of Z=119 and 120 superheavy elements within the context of the fusion-evaporation reaction mechanism.
doi: 10.1103/PhysRevC.102.064602
2019KH04 Phys.Rev. C 99, 054306 (2019) J.Khuyagbaatar, A.Yakushev, Ch.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Asai, M.Block, R.A.Boll, H.Brand, D.M.Cox, M.Dasgupta, X.Derkx, A.Di Nitto, K.Eberhardt, J.Even, M.Evers, C.Fahlander, U.Forsberg, J.M.Gates, N.Gharibyan, P.Golubev, K.E.Gregorich, J.H.Hamilton, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.J.Hinde, J.Hoffmann, R.Hollinger, A.Hubner, E.Jager, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, M.Laatiaoui, S.Lahiri, R.Lang, B.Lommel, M.Maiti, K.Miernik, S.Minami, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, G.K.Pang, P.Papadakis, D.Renisch, J.Roberto, D.Rudolph, J.Runke, K.P.Rykaczewski, L.G.Sarmiento, M.Schadel, B.Schausten, A.Semchenkov, D.A.Shaughnessy, P.Steinegger, J.Steiner, E.E.Tereshatov, P.Thorle-Pospiech, K.Tinschert, T.Torres De Heidenreich, N.Trautmann, A.Turler, J.Uusitalo, D.E.Ward, M.Wegrzecki, N.Wiehl, S.M.Van Cleve, V.Yakusheva Fusion reaction 48Ca + 249Bk leading to formation of the element Ts (Z=117) NUCLEAR REACTIONS 249Bk(48Ca, 3n), (48Ca, 4n)293Ts/294Ts, E=252.1, 254.0, 258.0 MeV; measured reaction products, evaporation residues (ER), Eα, Iα, (ER)α-correlated decay chains, and σ using double-sided silicon strip detectors for α detection, TASCA separator for evaporation residue, and multiwire proportional counter for detection of residues at UNILAC accelerator facility of GSI. Comparison with previous experimental data for (ER)α-correlated decay chains from DGFRS-Dubna facility. RADIOACTIVITY 294Ts, 290Mc, 286Nh, 282Rg, 278Mt, 274Bh, 270Db(α); 293Ts, 289Mc, 285Nh, 281Rg(α); 266Lr, 270Db, 277Mt, 277Hs(SF); measured Eα, Iα, SF events, half-lives. 266Lr, 270Db(α), (SF); measured half-lives and α/SF branching ratios. Comparison with previous experimental data for (ER)α-correlated decay chains from DGFRS-Dubna facility. A=200-240; A=240-260; systematics of α-decay half-lives of isotopes produced in 48Ca+249Bk and 48Ca+249Cf reactions.
doi: 10.1103/PhysRevC.99.054306
2018DI11 Phys.Lett. B 784, 199 (2018) A.Di Nitto, J.Khuyagbaatar, D.Ackermann, L.-L.Andersson, E.Badura, M.Block, H.Brand, I.Conrad, D.M.Cox, Ch.E.Dullmann, J.Dvorak, K.Eberhardt, P.A.Ellison, N.E.Esker, J.Even, C.Fahlander, U.Forsberg, J.M.Gates, P.Golubev, O.Gothe, K.E.Gregorich, W.Hartmann, R.D.Herzberg, F.P.Hessberger, J.Hoffmann, R.Hollinger, A.Hubner, E.Jager, B.Kindler, S.Klein, I.Kojouharov, J.V.Kratz, J.Krier, N.Kurz, S.Lahiri, B.Lommel, M.Maiti, R.Mandl, E.Merchan, S.Minami, A.K.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, G.K.Pang, D.Renisch, D.Rudolph, J.Runke, L.G.Sarmiento, M.Schadel, H.Schaffner, B.Schausten, A.Semchenkov, J.Steiner, P.Thorle-Pospiech, N.Trautmann, A.Turler, J.Uusitalo, D.Ward, M.Wegrzecki, P.Wieczorek, N.Wiehl, A.Yakushev, V.Yakusheva Study of non-fusion products in the 50Ti + 249Cf reaction NUCLEAR REACTIONS 249Cf(50Ti, X)211Po/212At/213Rn/214Fr/215Ra/222Ra/221Ra/223Ac/218Rn/224Th/219Fr/223Th/218Rn/219Fr/220Ra/214Po/219Ra/217Rn/215At, E=306 MeV; measured reaction products, Eα, Iα; deduced σ.
doi: 10.1016/j.physletb.2018.07.058
2018GA34 Phys.Rev.Lett. 121, 222501 (2018) J.M.Gates, G.K.Pang, J.L.Pore, K.E.Gregorich, J.T.Kwarsick, G.Savard, N.E.Esker, M.Kireeff Covo, M.J.Mogannam, J.C.Batchelder, D.L.Bleuel, R.M.Clark, H.L.Crawford, P.Fallon, K.K.Hubbard, A.M.Hurst, I.T.Kolaja, A.O.Macchiavelli, C.Morse, R.Orford, L.Phair, M.A.Stoyer First Direct Measurements of Superheavy-Element Mass Numbers RADIOACTIVITY 288Mc, 280Rg, 276Mt, 272Bh(α), 284Nh, 272Bh(α) [from 243Am(48Ca, X)288Mc, E=262 MeV]; measured decay products, Eα, Iα; deduced two α-decay events, first direct measurements of the mass numbers of superheavy elements.
doi: 10.1103/PhysRevLett.121.222501
2018SA45 Phys.Rev. C 98, 044307 (2018) A.Saamark-Roth, L.G.Sarmiento, D.Rudolph, J.Ljungberg, B.G.Carlsson, C.Fahlander, U.Forsberg, P.Golubev, I.Ragnarsson, D.Ackermann, L.-L.Andersson, M.Block, H.Brand, D.M.Cox, A.Di Nitto, Ch.E.Dullmann, K.Eberhardt, J.Even, J.M.Gates, J.Gerl, K.E.Gregorich, C.J.Gross, R.-D.Herzberg, F.P.Hessberger, E.Jager, J.Khuyagbaatar, B.Kindler, I.Kojouharov, J.V.Kratz, J.Krier, N.Kurz, B.Lommel, A.Mistry, C.Mokry, J.P.Omtvedt, P.Papadakis, J.Runke, K.Rykaczewski, M.Schadel, H.Schaffner, B.Schausten, P.Thorle-Pospiech, N.Trautmann, T.Torres, A.Turler, A.Ward, N.Wiehl, A.Yakushev Low-lying states in 219Ra and 215Rn: Sampling microsecond α-decaying nuclei RADIOACTIVITY 219Ra(α)[from 243Am(48Ca, X), E=242.1, 245.0 MeV]; measured Eα, Iα, Eγ, Iγ, αγ-coin, α(x ray)-coin, α-α correlations using TASISpec at the TASCA, GSI facility. Pileup analysis and GEANT4 simulation of 219Ra to 215Rn decay. 219,219m,220,221Ra, 215,216,217Rn, 212,213Po, 219Fr, 215At(α); measured half-lives, Qα. 219Ra, 215Rn; deduced levels, J, π, isomer in 219Ra Comparison with shell model calculations and theoretical calculations of deformation, rotational states and α-decay rates, and with evaluated data in the ENSDF database.
doi: 10.1103/PhysRevC.98.044307
2016FO10 Nucl.Phys. A953, 117 (2016) U.Forsberg, D.Rudolph, L.-L.Andersson, A.Di Nitto, Ch.E.Dullmann, C.Fahlander, J.M.Gates, P.Golubev, K.E.Gregorich, C.J.Gross, R.-D.Herzberg, F.P.Hessberger, J.Khuyagbaatar, J.V.Kratz, K.Rykaczewski, L.G.Sarmiento, M.Schadel, A.Yakushev, S.Aberg, D.Ackermann, M.Block, H.Brand, B.G.Carlsson, D.Cox, X.Derkx, J.Dobaczewski, K.Eberhardt, J.Even, J.Gerl, E.Jager, B.Kindler, J.Krier, I.Kojouharov, N.Kurz, B.Lommel, A.Mistry, C.Mokry, W.Nazarewicz, H.Nitsche, J.P.Omtvedt, P.Papadakis, I.Ragnarsson, J.Runke, H.Schaffner, B.Schausten, Y.Shi, P.Thorle-Pospiech, T.Torres, T.Traut, N.Trautmann, A.Turler, A.Ward, D.E.Ward, N.Wiehl Recoil-α-fission and recoil-α-α- fission events observed in the reaction 48Ca + 243Am NUCLEAR REACTIONS 243Am(48Ca, x), E=242.1, 245.0 MeV; measured reaction products, fission products, Eα, Iα(t), αα-coin, (recoil)α-coin, En, In using He-gas filled TASCA, TASISpec based on DSSSDs, other DSSSDs; deduced correlation times, α energy spectra, 23 α-decay chains of five α's and α+3n, fragments T1/2. Discussed existence of long decay chains; compared with published results. RADIOACTIVITY 289,288Mc, 284Nh, 280Rg, 276Mt, 272Bh(α), 268Db(SF); measured decay products, Eα, Iα; deduced T1/2. Comparison with available data.
doi: 10.1016/j.nuclphysa.2016.04.025
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
2015GA24 Phys.Rev. C 92, 021301 (2015) J.M.Gates, K.E.Gregorich, O.R.Gothe, E.C.Uribe, G.K.Pang, D.L.Bleuel, M.Block, R.M.Clark, C.M.Campbell, H.L.Crawford, M.Cromaz, A.Di Nitto, Ch.E.Dullmann, N.E.Esker, C.Fahlander, P.Fallon, R.M.Farjadi, U.Forsberg, J.Khuyagbaatar, W.Loveland, A.O.Macchiavelli, E.M.May, P.R.Mudder, D.T.Olive, A.C.Rice, J.Rissanen, D.Rudolph, L.G.Sarmiento, J.A.Shusterman, M.A.Stoyer, A.Wiens, A.Yakushev, H.Nitsche Decay spectroscopy of element 115 daughters: 280Rg → 276Mt and 276Mt → 272Bh NUCLEAR REACTIONS 243Am(48Ca, 3n)288Mc, E=262 MeV; measured evaporation residues (EVRs) by magnetic rigidities, Eα, SF-like events, decay chains using corner-cube-clover (C3) focal plane detector consisting of silicon-strip detectors surrounded by HPGe clover-type detectors, and DSSSDs for α particles at LBNL cyclotron facility; deduced data for forty-six decay chains from the decay of 288Mc and its α daughter products 284Nh, 280Rg, 276Mt, 272Bh, 268Db, the 268Db decaying by SF events. RADIOACTIVITY 276Mt, 280Rg(α)[from α decay chain of 288Mc formed in 243Am(48Ca, 3n), E=262 MeV at LBNL cyclotron facility]; measured Eα, Iα, Eγ, Iγ, E(x rays), αγ-, α(x ray)-, γγ-coin, half-lives of 276Mt and 280Rg isotopes. 272Bh, 276Mt; deduced levels, multipolarities, α hindrance factors. GEANT4 simulations of α and photon spectra. No K-x rays were definitely assigned thus uncertain Z identification.
doi: 10.1103/PhysRevC.92.021301
2015RU11 J.Radioanal.Nucl.Chem. 303, 1185 (2015) D.Rudolph, U.Forsberg, P.Golubev, L.G.Sarmiento, A.Yakushev, L.-L.Andersson, A.Di Nitto, Ch.E.Dullmann, J.M.Gates, K.E.Gregorich, C.J.Gross, R.-D.Herzberg, F.P.Hessberger, J.Khuyagbaatar, J.V.Kratz, K.Rykaczewski, M.Schadel, S.Aberg, D.Ackermann, M.Block, H.Brand, B.G.Carlsson, D.Cox, X.Derkx, K.Eberhardt, J.Even, C.Fahlander, J.Gerl, E.Jager, B.Kindler, J.Krier, I.Kojouharov, N.Kurz, B.Lommel, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, P.Papadakis, I.Ragnarsson, J.Runke, H.Schaffner, B.Schausten, P.Thorle-Pospiech, T.Torres, T.Traut, N.Trautmann, A.Turler, A.Ward, D.E.Ward, N.Wiehl Selected spectroscopic results on element 115 decay chains RADIOACTIVITY 288Mc, 284Nh, 280Rg, 276Mt, 272Bh(α), 268Db(SF); measured decay products, Eα, Iα; deduced Q-values, level energies, branching ratios. Comparison with GEANT4 Monte-Carlo simulations.
doi: 10.1007/s10967-014-3445-y
2014EL02 Radiochim.Acta 107, 561 (2014) P.A.Ellison, J.P.McLaughlin, L.Stavsetra, K.E.Gregorich, H.Nitsche Measurement of the 240Am production cross section via proton irradiation of 242Pu NUCLEAR REACTIONS 242Pu(p, 3n)240Am, Ti(p, X)48V, Ni(p, X)57Ni, E=19, 21, 23, 25 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with available data, JOPL and CEM032.2 predictions.
doi: 10.1515/ract-2014-2219
2014KH04 Phys.Rev.Lett. 112, 172501 (2014) J.Khuyagbaatar, A.Yakushev, C.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Asai, M.Block, R.A.Boll, H.Brand, D.M.Cox, M.Dasgupta, X.Derkx, A.Di Nitto, K.Eberhardt, J.Even, M.Evers, C.Fahlander, U.Forsberg, J.M.Gates, N.Gharibyan, P.Golubev, K.E.Gregorich, J.H.Hamilton, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.J.Hinde, J.Hoffmann, R.Hollinger, A.Hubner, E.Jager, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, M.Laatiaoui, S.Lahiri, R.Lang, B.Lommel, M.Maiti, K.Miernik, S.Minami, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, G.K.Pang, P.Papadakis, D.Renisch, J.Roberto, D.Rudolph, J.Runke, K.P.Rykaczewski, L.G.Sarmiento, M.Schadel, B.Schausten, A.Semchenkov, D.A.Shaughnessy, P.Steinegger, J.Steiner, E.E.Tereshatov, P.Thorle-Pospiech, K.Tinschert, T.Torres De Heidenreich, N.Trautmann, A.Turler, J.Uusitalo, D.E.Ward, M.Wegrzecki, N.Wiehl, S.M.Van Cleve, V.Yakusheva 48Ca + 249Bk Fusion Reaction Leading to Element Z=117: Long-Lived α-Decaying 270Db and Discovery of 266Lr NUCLEAR REACTIONS 249Bk(48Ca, X)294Ts, E=268.3, 270.2, 274.1 MeV; measured reaction products, Eα, Iα; deduced σ. Comparison with experimental data. RADIOACTIVITY 294Ts, 290Mc, 286Nh, 282Rg, 278Mt, 274Bh, 270Db, 266Lr(α); measured decay products, Eα, Iα; deduced T1/2. Comparison with experimental data.
doi: 10.1103/PhysRevLett.112.172501
2014RU04 Acta Phys.Pol. B45, 263 (2014) D.Rudolph, U.Forsberg, P.Golubev, L.G.Sarmiento, A.Yakushev, L.-L.Andersson, A.Di Nitto, Ch.E.Dullmann, J.M.Gates, K.E.Gregorich, C.J.Gross, R.-D.Herzberg, F.P.Hessberger, J.Khuyagbaatar, J.V.Kratz, K.Rykaczewski, M.Schadel, S.Aberg, D.Ackermann, M.Block, H.Brand, B.G.Carlsson, D.Cox, X.Derkx, K.Eberhardt, J.Even, C.Fahlander, J.Gerl, E.Jager, B.Kindler, J.Krier, I.Kojouharov, N.Kurz, B.Lommel, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, P.Papadakis, I.Ragnarsson, J.Runke, H.Schaffner, B.Schausten, P.Thorle-Pospiech, T.Torres, T.Traut, N.Trautmann, A.Turler, A.Ward, D.E.Ward, N.Wiehl Alpha-Photon Coincidence Spectroscopy Along Element 115 Decay Chains RADIOACTIVITY 287,288Mc, 283,284Nh, 279,280Rg, 275,276Mt, 271,272Bh(α), 267,268Db(SF) [from 243Am(48Ca, X), E not given]; measured decay products, Eα, Iα, Eγ, Iγ, X-rays; deduced T1/2, correlated α-decay chains. Comparison with available data.
doi: 10.5506/APhysPolB.45.263
2014YA33 Inorg. Chem. 53, 1624 (2014) A.Yakushev, J.M.Gates, A.Turler, M.Schadel, C.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Block, W.Bruchle, J.Dvorak, K.Eberhardt, H.G.Essel, J.Even, U.Forsberg, A.Gorshkov, R.Graeger, K.E.Gregorich, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.Hild, A.Hubner, E.Jager, J.Khuyagbaatar, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, B.Lommel, L.J.Niewisch, H.Nitsche, J.P.Omtvedt, E.Parr, Z.Qin, D.Rudolph, J.Runke, B.Schausten, E.Schimpf, A.Semchenkov, J.Steiner, P.Thorle-Pospiech, J.Uusitalo, M.Wegrzecki, N.Wiehl Superheavy Element Flerovium (Element 114) Is a Volatile Metal NUCLEAR REACTIONS 244Pu(48Ca, Xn)288Fl/289Fl, E=259.4 MeV; measured reaction products, Eα, Iα; deduced two atoms of flerovium, the observed adsorption behavior of Fl points to a higher inertness compared to its nearest homologue in the group, Pb. However, the measured lower limit for the adsorption enthalpy of Fl on a Au surface points to the formation of a metal-metal bond of Fl with Au. Fl is the least reactive element in the group, but still a metal.
doi: 10.1021/ic4026766
2013RI07 Phys.Rev. C 88, 044313 (2013) J.Rissanen, R.M.Clark, K.E.Gregorich, J.M.Gates, C.M.Campbell, H.L.Crawford, M.Cromaz, N.E.Esker, P.Fallon, U.Forsberg, O.Gothe, I.-Y.Lee, H.L.Liu, A.O.Machiavelli, P.Mudder, H.Nitsche, G.Pang, A.Rice, D.Rudolph, M.A.Stoyer, A.Wiens, F.R.Xu Decay of the high-K isomeric state to a rotational band in 257Rf NUCLEAR REACTIONS 208Pb(50Ti, n), (50Ti, 2n), E=238, 243, 258 MeV; measured time-of-flight for Rf implantation events, recoil-electron, recoil-electron-α, recoil-electron-fission events, Eγ, Iγ, ce, Eα, γ(recoil electron)-, γ(recoil electron)-fission coin, delayed γ and ce, half-lives of ground state and isomers at LBNL cyclotron facility. 257Rf; deduced high-spin levels, J, π, multipolarity, band, high-K isomer, [gK-gR]/Q0 ratios, configurations of 1-qp and 3-qp states, hindrance factor. 256Rf; deduced levels, K-isomers, J, π, multipolarity, configurations. RADIOACTIVITY 257Rf, 253No(α)[257Rf from 208Pb(50Ti, n), E=238, 243, 258 MeV]; measured Eα. 249Fm, 253No; deduced levels.
doi: 10.1103/PhysRevC.88.044313
2013RU11 Phys.Rev.Lett. 111, 112502 (2013) D.Rudolph, U.Forsberg, P.Golubev, L.G.Sarmiento, A.Yakushev, L.-L.Andersson, A.Di Nitto, Ch.E.Dullmann, J.M.Gates, K.E.Gregorich, C.J.Gross, F.P.Hessberger, R.-D.Herzberg, J.Khuyagbaatar, J.V.Kratz, K.Rykaczewski, M.Schadel, S.Aberg, D.Ackermann, M.Block, H.Brand, B.G.Carlsson, D.Cox, X.Derkx, K.Eberhardt, J.Even, C.Fahlander, J.Gerl, E.Jager, B.Kindler, J.Krier, I.Kojouharov, N.Kurz, B.Lommel, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, P.Papadakis, I.Ragnarsson, J.Runke, H.Schaffner, B.Schausten, P.Thorle-Pospiech, T.Torres, T.Traut, N.Trautmann, A.Turler, A.Ward, D.E.Ward, N.Wiehl Spectroscopy of Element 115 Decay Chains RADIOACTIVITY 288Mc, 284Nh, 280Rg, 276Mt, 272Bh(α) [from 243Am(48Ca, X), E=5.4 MeV/nucleon]; measured decay products, Eα, Iα, Eγ, Iγ, X-rays. 280Rg, 276Mt; deduced T1/2, Q-value, α-decay scheme. Comparison with Monte Carlo calculations.
doi: 10.1103/PhysRevLett.111.112502
2012FO03 Acta Phys.Pol. B43, 305 (2012) U.Forsberg, P.Golubev, L.G.Sarmiento, J.Jeppsson, D.Rudolph, L.-L.Andersson, D.Ackermann, M.Asai, M.Block, K.Eberhardt, J.Even, Ch.E.Dullmann, J.Dvorak, J.M.Gates, K.E.Gregorich, R.-D.Herzberg, F.P.Hessberger, E.Jager, J.Khuyagbaatar, I.Kojouharov, J.V.Kratz, J.Krier, N.Kurz, S.Lahiri, B.Lommel, M.Maiti, E.Merchan, J.P.Omtvedt, E.Parr, J.Runke, H.Schaffner, M.Schadel, A.Yakushev First Experiment at TASCA Towards X-Ray Fingerprinting of Element 115 Decay Chains NUCLEAR REACTIONS 208Pb(48Ca, 2n)254No, E=4.59 MeV/nucleon; measured reaction fusion-evaporation products; deduced distribution of evaporation residue. Comparison with theoretical calculations.
doi: 10.5506/APhysPolB.43.305
2011BE57 J.Phys.:Conf.Ser. 312, 092017 (2011) J.S.Berryman, R.M.Clark, K.E.Gregorich, J.M.Allmond, D.L.Bleuel, R.J.Cooper, M.Cromaz, M.A.Deleplanque, I.Dragojevic, J.Dvorak, P.A.Ellison, P.Fallon, M.A.Garcia, J.M.Gates, S.Gros, O.Gothe, H.B.Jeppesen, D.Kaji, I.Y.Lee, A.O.Macchiavelli, K.Morimoto, H.Nitsche, S.Paschalis, M.Petri, J.Qian, L.Stavsetra, F.S.Stephens, M.A.Stoyer, T.J.Ross, H.Watanabe, M.Wiedeking Nuclear spectroscopy of the heaviest elements: studies of 254No, 257Rf, and 261Sg NUCLEAR REACTIONS 208Pb(48Ca, 2n), E=221 MeV;208Pb(50Ti, n), E=238 MeV;208Pb(54Cr, n), E=261 MeV; measured Eγ, Iγ using HPGe, recoils using MWPC, Eα, Iα, E(e), I(e), eγ-coin. 254No, 257Rf deduced levels, J, π, γ transitions, isomeric transition T1/2, bands, 257Rf α-decay T1/2, 254No g-factor.
doi: 10.1088/1742-6596/312/9/092017
2011GA19 Phys.Rev. C 83, 054618 (2011) J.M.Gates, Ch.E.Dullmann, M.Schadel, A.Yakushev, A.Turler, K.Eberhardt, J.V.Kratz, D.Ackermann, L.-L.Andersson, M.Block, W.Bruchle, J.Dvorak, H.G.Essel, P.A.Ellison, J.Even, U.Forsberg, J.Gellanki, A.Gorshkov, R.Graeger, K.E.Gregorich, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.Hild, A.Hubner, E.Jager, J.Khuyagbaatar, B.Kindler, J.Krier, N.Kurz, S.Lahiri, D.Liebe, B.Lommel, M.Maiti, H.Nitsche, J.P.Omtvedt, E.Parr, D.Rudolph, J.Runke, H.Schaffner, B.Schausten, E.Schimpf, A.Semchenkov, J.Steiner, P.Thorle-Pospiech, J.Uusitalo, M.Wegrzecki, N.Wiehl First superheavy element experiments at the GSI recoil separator TASCA: The production and decay of element 114 in the 244Pu(48Ca, 3-4n) reaction NUCLEAR REACTIONS 206Pb(48Ca, 2n)252No, E=231.2 MeV; 207Pb(48Ca, 2n)253No, E=231.2 MeV; 208Pb(48Ca, 2n)254No, E=231.2 MeV; 244Pu(48Ca, 3n)289Fl, E=254.6, 259.4 MeV; 244Pu(48Ca, 4n)288Fl, E=254.6, 259.4 MeV; measured evaporation residue spectra, Eα, Iα, fission fragment spectra, Eγ, αγ-, α(particle)-coin, production cross sections. TASCA recoil separator at GSI. Comparison with previous measurements. RADIOACTIVITY 252,253,254No, 288,289Fl(α), (SF); measured Eα, half-lives, branching ratios for α and SF decay modes, (evaporation residues)α- and (evaporation residues)(fission fragments)-correlations, αγ-, γ(SF events)-coin. 248Fm, 281Ds, 284,285Cn, (α); measured Eα, EVR-α-α correlations, Eγ, half-lives. 277Hs(SF); measured total kinetic energy (TKE), half-life.
doi: 10.1103/PhysRevC.83.054618
2010BE16 Phys.Rev. C 81, 064325 (2010); Publishers Note Phys.Rev. C 82, 029906 (2010) J.S.Berryman, R.M.Clark, K.E.Gregorich, J.M.Allmond, D.L.Bleuel, M.Cromaz, I.Dragojevic, J.Dvorak, P.A.Ellison, P.Fallon, M.A.Garcia, S.Gros, I.Y.Lee, A.O.Macchiavelli, S.Paschalis, M.Petri, J.Qian, M.A.Stoyer, M.Wiedeking Electromagnetic decays of excited states in 261Sg (Z=106) and 257Rf (Z=104) NUCLEAR REACTIONS 208Pb(54Cr, n), E=261 MeV; 208Pb(50Ti, n), (50Ti, 2n), E=238 MeV; measured Eγ, E(ce), Eα, (recoil)(ce)(α)-, (recoil)(ce)(x ray)(α)-, (recoil)(ce)-, (recoil)(ce)(fission)-, γ(recoil)(ce)(α)-, γ(recoil)(ce)(x ray)(α)-, (recoil)(ce)(α)(α)-coin, half-lives. 257Rf, 261Sg; deduced levels, J, π, isomer, band, configurations. Comparison with calculated energy levels of 261Sg. RADIOACTIVITY 256RF(SF); 257Rf, 261Sg(α); measured Eα, half-lives.
doi: 10.1103/PhysRevC.81.064325
2010CL01 Phys.Lett. B 690, 19 (2010) R.M.Clark, K.E.Gregorich, J.S.Berryman, M.N.Ali, J.M.Allmond, C.W.Beausang, M.Cromaz, M.A.Deleplanque, I.Dragojevic, J.Dvorak, P.A.Ellison, P.Fallon, M.A.Garcia, J.M.Gates, S.Gros, H.B.Jeppesen, D.Kaji, I.Y.Lee, A.O.Macchiavelli, K.Morimoto, H.Nitsche, S.Paschalis, M.Petri, L.Stavsetra, F.S.Stephens, H.Watanabe, M.Wiedeking High-K multi-quasiparticle states in 254No RADIOACTIVITY 254No(IT) [from 208Pb(48Ca, 2n), E=221 MeV]; measured Eγ, Iγ, γ-particle-coin.; deduced J, π, level energies, rotational bands, decay of isomer state.
doi: 10.1016/j.physletb.2010.04.079
2010DU06 Phys.Rev.Lett. 104, 252701 (2010) Ch.E.Dullmann, M.Schadel, A.Yakushev, A.Turler, K.Eberhardt, J.V.Kratz, D.Ackermann, L.-L.Andersson, M.Block, W.Bruchle, J.Dvorak, H.G.Essel, P.A.Ellison, J.Even, J.M.Gates, A.Gorshkov, R.Graeger, K.E.Gregorich, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.Hild, A.Hubner, E.Jager, J.Khuyagbaatar, B.Kindler, J.Krier, N.Kurz, S.Lahiri, D.Liebe, B.Lommel, M.Maiti, H.Nitsche, J.P.Omtvedt, E.Parr, D.Rudolph, J.Runke, B.Schausten, E.Schimpf, A.Semchenkov, J.Steiner, P.Thorle-Pospiech, J.Uusitalo, M.Wegrzecki, N.Wiehl Production and Decay of Element 114: High Cross Sections and the New Nucleus 277Hs NUCLEAR REACTIONS 244Pu(48Ca, 3n)289Fl, 244Pu(48Ca, 4n)288Fl, E=259.4, 254.6 MeV; measured reaction products, Eα, Iα; deduced σ, α-decay chains, T1/2. RADIOACTIVITY 288,289Fl, 285Cn(α), 281Ds(α), 284Cn, 281Ds, 277Hs(SF); measured reaction products, Eα, Iα; deduced α-decay chains, T1/2.
doi: 10.1103/PhysRevLett.104.252701
2010EL06 Phys.Rev.Lett. 105, 182701 (2010) P.A.Ellison, K.E.Gregorich, J.S.Berryman, D.L.Bleuel, R.M.Clark, I.Dragojevic, J.Dvorak, P.Fallon, C.Fineman-Sotomayor, J.M.Gates, O.R.Gothe, I.Y.Lee, W.D.Loveland, J.P.McLaughlin, S.Paschalis, M.Petri, J.Qian, L.Stavsetra, M.Wiedeking, H.Nitsche New Superheavy Element Isotopes: 242Pu(48Ca, 5n)285114 NUCLEAR REACTIONS 242Pu(48Ca, Xn)285Fl/286Fl/287Fl/288Fl, E=256 MeV; measured reaction products, Eα, Iα; deduced σ, Q-values. Comparison with experimental values. RADIOACTIVITY 285,286Fl, 281Cn, 277Ds, 273Hs, 269Sg(α); measured Eα; deduced Q(α). 265Rf, 282Cn(SF); measured SF decay energy.
doi: 10.1103/PhysRevLett.105.182701
2009DR02 Phys.Rev. C 79, 011602 (2009) I.Dragojevic, K.E.Gregorich, Ch.E.Dullmann, J.Dvorak, P.A.Ellison, J.M.Gates, S.L.Nelson, L.Stavsetra, H.Nitsche New isotope 263Hs NUCLEAR REACTIONS 208Pb(56Fe, n), E=276.4 MeV; measured σ. RADIOACTIVITY 263Hs, 259Sg, 255Rf, 251No, 247Fm(α); measured Eα, half-lives.
doi: 10.1103/PhysRevC.79.011602
2009FO02 Phys.Rev. C 79, 027602 (2009) C.M.Folden III, I.Dragojevic, Ch.E.Dullmann, R.Eichler, M.A.Garcia, J.M.Gates, S.L.Nelson, R.Sudowe, K.E.Gregorich, D.C.Hoffman, H.Nitsche Measurement of the 208Pb(52Cr, n)259Sg excitation function NUCLEAR REACTIONS 208Pb(52Cr, n)259Sg, E=250.7-266.2 MeV; 208Pb(52Cr, 2n)258Sg, E=250.7-266.2 MeV. Measured excitation functions, σ. RADIOACTIVITY 259Sg, 258Sg, 255Rf(α), (SF), (EC), 251No(α); measured Eα, half-lives, decay modes.
doi: 10.1103/PhysRevC.79.027602
2009GA02 Radiochim.Acta 97, 79 (2009) J.M.Gates, I.Dragojevic, J.Dvorak, P.A.Ellison, K.E.Gregorich, L.Stavsetra, H.Nitsche Excitation function for the 74Se(18O, p3n)88gNb reaction NUCLEAR REACTIONS 74Se(18O, 3np), E=74 MeV; measured Eγ, Iγ, excitation function. 88Nb; measured half-life.
doi: 10.1524/ract.2009.1582
2009JE01 Phys.Rev. C 79, 031303 (2009) H.B.Jeppesen, I.Dragojevic, R.M.Clark, K.E.Gregorich, M.N.Ali, J.M.Allmond, C.W.Beausang, D.L.Bleuel, M.Cromaz, M.A.Deleplanque, P.A.Ellison, P.Fallon, M.A.Garcia, J.M.Gates, J.P.Greene, S.Gros, I.Y.Lee, H.L.Liu, A.O.Macchiavelli, S.L.Nelson, H.Nitsche, J.R.Pavan, L.Stavsetra, F.S.Stephens, M.Wiedeking, R.Wyss, F.R.Xu Multi-quasiparticle states in 256Rf NUCLEAR REACTIONS 208Pb(50Ti, 2n), E=243 MeV; measured (recoil)(electron)(fission)-coin, (electron)γ-coin, conversion electron spectra, Eγ, Iγ, half-lives. 256Rf; deduced levels, J, π, high-K isomers, configurations. Comparisons with Woods-Saxon potential-energy surface calculations.
doi: 10.1103/PhysRevC.79.031303
2009JE02 Phys.Rev. C 80, 034324 (2009) H.B.Jeppesen, R.M.Clark, K.E.Gregorich, A.V.Afanasjev, M.N.Ali, J.M.Allmond, C.W.Beausang, M.Cromaz, M.A.Deleplanque, I.Dragojevic, J.Dvorak, P.A.Ellison, P.Fallon, M.A.Garcia, J.M.Gates, S.Gros, I.Y.Lee, A.O.Macchiavelli, S.L.Nelson, H.Nitsche, L.Stavsetra, F.S.Stephens, M.Wiedeking High-K multi-quasiparticle states and rotational bands in 255103Lr NUCLEAR REACTIONS 209Bi(48Ca, 2n), E=222 MeV; measured Eγ, Iγ, γγ, half-lives. 255Lr; deduced levels, J, π, bands, high-K 3qp isomers and configurations. Comparison with microscopic cranked relativistic Hartree-Bogoliubov (CRHB) calculations.
doi: 10.1103/PhysRevC.80.034324
2009NE02 Phys.Rev. C 79, 027605 (2009) S.L.Nelson, K.E.Gregorich, I.Dragojevic, J.Dvorak, P.A.Ellison, M.A.Garcia, J.M.Gates, L.Stavsetra, M.N.Ali, H.Nitsche Comparison of complementary reactions in the production of Mt NUCLEAR REACTIONS 208Pb(59Co, n)266Mt, E=295 MeV; measured production cross section RADIOACTIVITY 266Mt, 262Bh, 258Db, 254Lr, No, 250Md, Fm(α), 254Lr, 250Md(EC); measured Eα, half-lives, decay modes.
doi: 10.1103/PhysRevC.79.027605
2009ST21 Phys.Rev.Lett. 103, 132502 (2009) L.Stavsetra, K.E.Gregorich, J.Dvorak, P.A.Ellison, I.Dragojevic, M.A.Garcia, H.Nitsche Independent Verification of Element 114 Production in the 48Ca+242Pu Reaction NUCLEAR REACTIONS 242Pu(48Ca, 3n), (48Ca, 4n), E(cm)=244 MeV; measured Eα, Iα and α-decay chains; deduced σ. Berkeley Gas-filled Separator (BGS).
doi: 10.1103/PhysRevLett.103.132502
2008DR05 Phys.Rev. C 78, 024605 (2008) I.Dragojevic, K.E.Gregorich, Ch.E.Dullmann, M.A.Garcia, J.M.Gates, S.L.Nelson, L.Stavsetra, R.Sudowe, H.Nitsche Influence of projectile neutron number in the 208Pb(48Ti, n)255Rf and 208Pb(50Ti, n)257Rf reactions NUCLEAR REACTIONS 208Pb(48Ti, n), (48Ti, 2n), (50Ti, n), (50Ti, 2n), E=4.6-4.8 MeV/nucleon; measured excitation functions, σ. RADIOACTIVITY 254,255,256,257Rf(α); measured Eα, Iα, half-lives.
doi: 10.1103/PhysRevC.78.024605
2008GA08 Phys.Rev. C 77, 034603 (2008) J.M.Gates, M.A.Garcia, K.E.Gregorich, Ch.E.Dullmann, I.Dragojevic, J.Dvorak, R.Eichler, C.M.Folden III, W.Loveland, S.L.Nelson, G.K.Pang, L.Stavsetra, R.Sudowe, A.Turler, H.Nitsche Synthesis of rutherfordium isotopes in the 238U(26Mg, xn)264-xRf reaction and study of their decay properties NUCLEAR REACTIONS 238U(26Mg, 3n), (26Mg, 4n), (26Mg, 5n), (26Mg, 6n), E=4.9-6.0 MeV/nucleon; measured excitation functions, σ, half-lives, cross sections. RADIOACTIVITY 258Rf(α) [from 238U(26Mg, 6n), E=4.9-6.0 MeV/nucleon]; 259Rf(EC) [from 238U(26Mg, 5n), E=4.9-6.0 MeV/nucleon]; 260Rf(α), (SF) [from 238U(26Mg, 4n), E=4.9-6.0 MeV/nucleon]; 261Rf(α), (SF) [from 238U(26Mg, 3n), E=4.9-6.0 MeV/nucleon]; 254No(α); measured α spectra, Q-values, charged particle spectra.242,244,246,248,250,252,254,256,258Fm, 248,250,252,254,256No, 250,252,254,256Rf, 252,254,256,258,260Sg; systematics.
doi: 10.1103/PhysRevC.77.034603
2008GA25 Phys.Rev. C 78, 034604 (2008) J.M.Gates, S.L.Nelson, K.E.Gregorich, I.Dragojevic, Ch.E.Dullmann, P.A.Ellison, C.M.Folden III, M.A.Garcia, L.Stavsetra, R.Sudowe, D.C.Hoffman, H.Nitsche Comparison of reactions for the production of 258, 257Db: 208Pb(51V, xn) and 209Bi(50Ti, xn) NUCLEAR REACTIONS 208Pb(51V, n), (51V, 2n), E=4.7-5.1 MeV/nucleon; measured excitation function, σ. 209Bi(50Ti, n), (50Ti, 2n); systematics of excitation functions, σ. RADIOACTIVITY 257,258Db, 253,254Lr, 249,250Md, 246Cf, 250Fm, 254No, 245Es(α); measured α-spectra, half-lives.
doi: 10.1103/PhysRevC.78.034604
2008NE01 Phys.Rev.Lett. 100, 022501 (2008) S.L.Nelson, K.E.Gregorich, I.Dragojevic, M.A.Garcia, J.M.Gates, R.Sudowe, H.Nitsche Lightest Isotope of Bh Produced via the 209Bi(52Cr, n)260Bh Reaction NUCLEAR REACTIONS 209Bi(52Cr, n), E=257 MeV; measured correlated decay chain Eα, Iα, production cross section.
doi: 10.1103/PhysRevLett.100.022501
2008NE08 Phys.Rev. C 78, 024606 (2008) S.L.Nelson, C.M.Folden III, K.E.Gregorich, I.Dragojevic, Ch.E.Dullmann, R.Eichler, M.A.Garcia, J.M.Gates, R.Sudowe, H.Nitsche Comparison of complementary reactions for the production of 261, 262Bh NUCLEAR REACTIONS 208Pb(55Mn, n), (55Mn, 2n), E=273, 278, 283 MeV; 209Bi(54Cr, n), (54Cr, 2n), E=253.5-272.3 MeV; measured excitation functions, σ, half-lives.
doi: 10.1103/PhysRevC.78.024606
2008VE06 Phys.Lett. B 670, 196 (2008) P.A.Vetter, R.M.Clark, J.Dvorak, S.J.Freedman, K.E.Gregorich, H.B.Jeppesen, D.Mittelberger, M.Wiedeking Search for oscillation of the electron-capture decay probability of 142Pm RADIOACTIVITY 142Pm(EC); measured Eγ, Iγ, X-ray spectra, decay constant.
doi: 10.1016/j.physletb.2008.11.004
2007OM01 Eur.Phys.J. D 45, 91 (2007) J.P.Omtvedt, J.Alstad, T.Bjornstad, Ch.E.Dullmann, K.E.Gregorich, D.C.Hoffman, H.Nitsche, K.Opel, D.Polakova, F.Samadani, F.Schulz, G.Skarnemark, L.Stavsetra, R.Sudowe, L.Zheng Chemical properties of the transactinide elements studied in liquid phase with SISAK
doi: 10.1140/epjd/e2007-00214-6
2006EI01 Radiochim.Acta 94, 181 (2006) R.Eichler, W.Bruchle, R.Buda, S.Burger, R.Dressler, Ch.E.Dullmann, J.Dvorak, K.Eberhardt, B.Eichler, C.M.Folden III, H.W.Gaggeler, K.E.Gregorich, F.Haenssler, D.C.Hoffman, H.Hummrich, E.Jager, J.V.Kratz, B.Kuczewski, D.Liebe, D.Nayak, H.Nitsche, D.Piguet, Z.Qin, U.Rieth, M.Schadel, B.Schausten, E.Schimpf, A.Semchenkov, S.Soverna, R.Sudowe, N.Trautmann, P.Thorle, A.Turler, B.Wierczinski, N.Wiehl, P.A.Wilk, G.Wirth, A.B.Yakushev, A.von Zweidorf Attempts to chemically investigate element 112 NUCLEAR REACTIONS 238U(48Ca, X), E=231, 235 MeV; measured delayed fission, Eα, (fission)α-coin; deduced no evidence for 283Cn. Thermochromatography.
doi: 10.1524/ract.2006.94.4.181
2006FO02 Phys.Rev. C 73, 014611 (2006) C.M.Folden III, S.L.Nelson, Ch.E.Dullmann, J.M.Schwantes, R.Sudowe, P.M.Zielinski, K.E.Gregorich, H.Nitsche, D.C.Hoffman Excitation function for the production of 262Bh (Z = 107) in the odd-Z-projectile reaction 208Pb(55Mn, n) NUCLEAR REACTIONS 208Pb(55Mn, n), E=260, 264, 268 MeV; measured delayed Eα, αα-coin, excitation function. 208Pb(55Mn, 2n), E=268 MeV; measured delayed Eα, αα-coin; deduced evidence for 261Bh. Gas-filled separator. RADIOACTIVITY 261,262,262mBh, 257,258Db, 253m,254Lr, 254No, 250Fm(α) [from 208Pb(55Mn, xn) and subsequent decay]; measured Eα, T1/2.
doi: 10.1103/PhysRevC.73.014611
2006GR24 Phys.Rev. C 74, 044611 (2006) K.E.Gregorich, J.M.Gates, Ch.E.Dullmann, R.Sudowe, S.L.Nelson, M.A.Garcia, I.Dragojevic, C.M.Folden III, S.H.Neumann, D.C.Hoffman, H.Nitsche New isotope 264Sg and decay properties of 262-264Sg NUCLEAR REACTIONS 238U(30Si, 4n), (30Si, 5n), (30Si, 6n), E=147-174 MeV; measured delayed Eα, (recoil)α-coin; deduced excitation functions. RADIOACTIVITY 262,264Sg(SF); measured T1/2, α-decay branching upper limit. 263Sg(SF), (α); measured T1/2, branching ratio. 259Rf, 255No; measured T1/2.
doi: 10.1103/PhysRevC.74.044611
2005DU23 Nucl.Instrum.Methods Phys.Res. A551, 528 (2005) Ch.E.Dullmann, C.M.Folden III, K.E.Gregorich, D.C.Hoffman, D.Leitner, G.K.Pang, R.Sudowe, P.M.Zielinski, H.Nitsche Heavy-ion-induced production and physical preseparation of short-lived isotopes for chemistry experiments NUCLEAR REACTIONS Ge(18O, X)83mSr/83Y/84mY/88mY/85Zr/87Zr, E=82.8 GeV; 84Se(18O, X)86mY/85Zr/87Nb/87mNb/88Nb/88Mo, E=82.7 MeV; 124Sn(50Ti, X)168mLu/167Hf/168Hf, E=223.7 MeV; 116Sn(50Ti, X)162Tm/161Yb/162Yb/163Yb/162Lu/162Hf, E=224.4 MeV; measured delayed Eγ, Iγ following residual nucleus decay. Physical preseparation technique.
doi: 10.1016/j.nima.2005.05.077
2005GR19 Phys.Rev. C 72, 014605 (2005) K.E.Gregorich, W.Loveland, D.Peterson, P.M.Zielinski, S.L.Nelson, Y.H.Chung, Ch.E.Dullmann, C.M.Folden III, K.Aleklett, R.Eichler, D.C.Hoffman, J.P.Omtvedt, G.K.Pang, J.M.Schwantes, S.Soverna, P.Sprunger, R.Sudowe, R.E.Wilson, H.Nitsche Attempt to confirm superheavy element production in the 48Ca + 238U reaction NUCLEAR REACTIONS 238U(48Ca, 3n), E=230.3, 235.6 MeV; measured σ upper limits; deduced no evidence for 283Cn. Comparison with previous results.
doi: 10.1103/PhysRevC.72.014605
2005ST16 Nucl.Instrum.Methods Phys.Res. A543, 509 (2005) L.Stavsetra, K.E.Gregorich, J.Alstad, H.Breivik, K.Eberhardt, C.M.Folden III, T.N.Ginter, M.Johansson, U.W.Kirbach, D.M.Lee, M.Mendel, L.A.Omtvedt, J.B.Patin, G.Skarnemark, R.Sudowe, P.A.Wilk, P.M.Zielinski, H.Nitsche, D.C.Hoffman, J.P.Omtvedt Liquid-scintillation detection of preseparated 257Rf with the SISAK-system NUCLEAR REACTIONS 208Pb(50Ti, n), E=237 MeV; measured delayed αα-coin; deduced evidence for 257Rf. Gas-filled separator, fast liquid-liquid extraction system.
doi: 10.1016/j.nima.2004.12.010
2004FO08 Phys.Rev.Lett. 93, 212702 (2004) C.M.Folden III, K.E.Gregorich, Ch.E.Dullmann, H.Mahmud, G.K.Pang, J.M.Schwantes, R.Sudowe, P.M.Zielinski, H.Nitsche, D.C.Hoffman Development of an Odd-Z-Projectile Reaction for Heavy Element Synthesis: 208Pb(64Ni, n)271Ds and 208Pb(65Cu, n)272Rg NUCLEAR REACTIONS 208Pb(64Ni, n), E=311.5, 314.3 MeV; 208Pb(65Cu, n), E=321 MeV; measured measured αα-coin following residual nucleus decay; deduced σ. Gas-filled separator. RADIOACTIVITY 271Ds, 267Hs, 263mSg, 259Rf, 255No(α) [from 208Pb(64Ni, n) and subsequent decay]; 272Rg, 268Mt, 264Bh, 260Db, 256Lr(α) [from 208Pb(65Cu, n) and subsequent decay]; measured Eα, T1/2. Gas-filled separator.
doi: 10.1103/PhysRevLett.93.212702
2004GA18 Nucl.Phys. A734, 208 (2004) H.W.Gaggeler, W.Bruchle, Ch.E.Dullmann, R.Dressler, K.Eberhardt, B.Eichler, R.Eichler, C.M.Folden, T.N.Ginter, F.Glaus, K.E.Gregorich, F.Haenssler, D.C.Hoffman, E.Jager, D.T.Jost, U.W.Kirbach, J.V.Kratz, H.Nitsche, J.B.Patin, V.Pershina, D.Piguet, Z.Qin, U.Rieth, M.Schadel, E.Schimpf, B.Schausten, S.Soverna, R.Sudowe, P.Thorle, N.Trautmann, A.Turler, A.Vahle, P.A.Wilk, G.Wirth, A.B.Yakushev, A.von Zweidorf Chemical and nuclear studies of hassium and element 112 NUCLEAR REACTIONS 248Cm(26Mg, 4n), (26Mg, 5n), E=145 MeV; 238U(48Ca, 3n), E=239 MeV; measured yields. Chemical properties discussed.
doi: 10.1016/j.nuclphysa.2004.01.036
2004HW04 Phys.Rev. C 69, 067302 (2004), Erratum Phys.Rev. C 106, 059901 (2022) J.K.Hwang, A.V.Ramayya, J.H.Hamilton, Y.X.Luo, J.O.Rasmussen, C.J.Beyer, P.M.Gore, S.C.Wu, I.Y.Lee, C.M.Folden, P.Fallon, P.Zielinski, K.E.Gregorich, M.A.Stoyer, T.N.Ginter, S.J.Zhu, J.D.Cole, R.Donangelo High spin states in 95Sr RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 95Sr deduced high-spin levels, J, π, configurations. Gammasphere array.
doi: 10.1103/PhysRevC.69.067302
2003DU27 Czech.J.Phys. (Supplement) 53, A291 (2003) Ch.E.Dullmann, R.Dressler, B.Eichler, H.W.Gaggeler, F.Glaus, D.T.Jost, D.Piguet, S.Soverna, A.Turler, W.Bruchle, R.Eichler, E.Jager, V.Pershina, M.Schadel, B.Schausten, E.Schimpf, H.-J.Schott, G.Wirth, K.Eberhardt, P.Thorle, N.Trautmann, T.N.Ginter, K.E.Gregorich, D.C.Hoffman, U.W.Kirbach, D.M.Lee, H.Nitsche, J.B.Patin, R.Sudowe, P.M.Zielinski, S.N.Timokhin, A.B.Yakushev, A.Vahle, Z.Qin First chemical investigation of hassium (Hs, Z=108) RADIOACTIVITY 269,270Hs(α); measured Eα, Iα.
doi: 10.1007/s10582-003-0037-4
2003GI05 Phys.Rev. C 67, 064609 (2003); Erratum Phys.Rev. C 68, 029901 (2003) T.N.Ginter, K.E.Gregorich, W.Loveland, D.M.Lee, U.W.Kirbach, R.Sudowe, C.M.Folden III, J.B.Patin, N.Seward, P.A.Wilk, P.M.Zielinski, K.Aleklett, R.Eichler, H.Nitsche, D.C.Hoffman Confirmation of production of element 110 by the 208Pb(64Ni, n) reaction NUCLEAR REACTIONS 208Pb(64Ni, n), E=312.5, 315, 317.5 MeV: measured delayed (recoil)α-coin; deduced production σ. RADIOACTIVITY 271Ds, 267Hs, 263Sg, 259Rf, 255No(α) [from 208Pb(64Ni, n) and subsequent decay]; measured Eα.
doi: 10.1103/PhysRevC.67.064609
2003GR26 Eur.Phys.J. A 18, 633 (2003) K.E.Gregorich, T.N.Ginter, W.Loveland, D.Peterson, J.B.Patin, C.M.Folden III, D.C.Hoffman, D.M.Lee, H.Nitsche, J.P.Omtvedt, L.A.Omtvedt, L.Stavsetra, R.Sudowe, P.A.Wilk, P.M.Zielinski, K.Aleklett Cross-section limits for the 208Pb(86Kr, n)293118 reaction NUCLEAR REACTIONS 208Pb(86Kr, X), E=449 MeV; measured evaporation residue yields; deduced no evidence for 293Og. 208Pb(86Kr, n), E=449 MeV; deduced production σ upper limit.
doi: 10.1140/epja/i2002-10165-x
2003HW01 Phys.Rev. C 67, 014317 (2003), Erratum Phys.Rev. C 106, 049903 (2022) J.K.Hwang, A.V.Ramayya, J.H.Hamilton, Y.X.Luo, J.O.Rasmussen, C.J.Beyer, P.M.Gore, S.C.Wu, I.Y.Lee, C.M.Folden III, P.Fallon, P.Zielinski, K.E.Gregorich, A.O.Macchiavelli, M.A.Stoyer, S.J.Asztalos, T.N.Ginter, R.Donangelo, L.Coraggio, A.Covello, A.Gargano, N.Itaco High spin states in 93Sr RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 93Sr deduced high-spin levels, J, π, configurations. Gammasphere array, comparisons with model predictions. NUCLEAR STRUCTURE 90,92,93,94Sr; calculated levels, J, π. Shell model.
doi: 10.1103/PhysRevC.67.014317
2003HW03 Phys.Rev. C 67, 054304 (2003), Erratum Phys.Rev. C 106, 049902 (2022) J.K.Hwang, A.V.Ramayya, J.H.Hamilton, D.Fong, C.J.Beyer, P.M.Gore Y.X.Luo, J.O.Rasmussen, S.C.Wu, I.Y.Lee, C.M.Folden III, P.Fallon, P.Zielinski, K.E.Gregorich, A.O.Macchiavelli, M.A.Stoyer, S.J.Asztalos, T.N.Ginter, S.J.Zhu, J.D.Cole, G.M.Ter-Akopian, Yu.Ts.Oganessian, R.Donangelo Identification of ν9/2[404] band in 97Sr RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 97Sr deduced high-spin levels, J, π, T1/2, configurations. Gammasphere array.
doi: 10.1103/PhysRevC.67.054304
2003KR20 Radiochim.Acta 91, 59 (2003) J.V.Kratz, A.Nahler, U.Rieth, A.Kronenberg, B.Kuczewski, E.Strub, W.Bruchle, M.Schadel, B.Schausten, A.Turler, H.W.Gaggeler, D.T.Jost, K.E.Gregorich, H.Nitsche, C.Laue, R.Sudowe, P.A.Wilk An EC-branch in the decay of 27-s 263Db: Evidence for the isotope 263Rf RADIOACTIVITY 263Db(EC), (α), (SF) [from 249Bk(18O, 4n)]; measured Eα, fission fragment spectra; deduced EC-decay branching ratio, evidence for 263Rf. 263Rf(SF) [from 263Db decay]; measured T1/2. Radiochemical separation.
doi: 10.1524/ract.91.1.59.19010
2003TU05 Eur.Phys.J. A 17, 505 (2003) A.Turler, Ch.E.Dullmann, H.W.Gaggeler, U.W.Kirbach, A.B.Yakushev, M.Schadel, W.Bruchle, R.Dressler, K.Eberhardt, B.Eichler, R.Eichler, T.N.Ginter, F.Glaus, K.E.Gregorich, D.C.Hoffman, E.Jager, D.T.Jost, D.M.Lee, H.Nitsche, J.B.Patin, V.Pershina, D.Piguet, Z.Qin, B.Schausten, E.Schimpf, H.-J.Schott, S.Soverna, R.Sudowe, P.Thorle, S.N.Timokhin, N.Trautmann, A.Vahle, G.Wirth, P.M.Zielinski On the decay properties of 269Hs and indications for the new nuclide 270Hs NUCLEAR REACTIONS 248Cm(26Mg, xn), E=143.7-146.8 MeV; measured residual nucleus decay; deduced evidence for 269,270Hs. Chemical separation. RADIOACTIVITY 269,270Hs, 265,266Sg, 261Rf, 257No(α) [from 248Cm(26Mg, xn) and subsequent decay]; measured Eα, T1/2. 261,262Rf(SF); measured fission fragment energies.
doi: 10.1140/epja/i2002-10163-0
2003ZH14 Phys.Rev. C 67, 064307 (2003), Erratum Phys.Rev. C 106, 049904 (2022) Z.Zhang, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, R.Q.Xu, Z.Jiang, S.D.Xiao, X.Q.Zhang, J.Kormicki, P.M.Gore, E.F.Jones, W.C.Ma, J.D.Cole, M.W.Drigert, I.Y.Lee, J.O.Rasmussen, Y.X.Luo, T.N.Ginter, C.Folden, P.Fallon III, P.Zielinski, K.E.Gregorich, A.O.Macchiavelli, R.Donangelo, M.A.Stoyer Identification of collective bands in neutron-rich 113Ru RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 113Ru deduced high-spin levels, J, π, configurations. Gammasphere array.
doi: 10.1103/PhysRevC.67.064307
2002DU21 Nature(London) 418, 859 (2002) Ch.E.Dullmann, W.Bruchle, R.Dressler, K.Eberhardt, B.Eichler, R.Eichler, H.W.Gaggeler, T.N.Ginter, F.Glaus, K.E.Gregorich, D.C.Hoffman, E.Jager, D.T.Jost, U.W.Kirbach, D.M.Lee, H.Nitsche, J.B.Patin, V.Pershina, D.Piguet, Z.Qin, M.Schadel, B.Schausten, E.Schimpf, H.-J.Schott, S.Soverna, R.Sudowe, P.Thorle, S.N.Timokhin, N.Trautmann, A.Turler, A.Vahle, G.Wirth, A.B.Yakushev, P.M.Zielinski Chemical investigation of hassium (element 108) RADIOACTIVITY 269,270Hs, 265,266Sg, 261Rf(α) [from 248Cm(26Mg, xn) and subsequent decay]; measured Eα. Chemical properties of hassium discussed.
doi: 10.1038/nature00980
2002HW01 J.Phys.(London) G28, L9 (2002) J.K.Hwang, C.J.Beyer, A.V.Ramayya, J.H.Hamilton, X.Q.Zhang, J.O.Rasmussen, Y.X.Luo, S.C.Wu, T.N.Ginter, I.Y.Lee, C.M.Folden, P.Fallon, P.Zielinski, K.E.Gregorich, A.O.Macchiavelli, M.Stoyer, S.J.Asztalos Identification of Neutron h11/2 Bands in 121, 123Cd RADIOACTIVITY 252Cf(SF); measured Eγ, γγ-coin. 121,123Cd deduced levels, J, π, bands, deformation features following coincidence with Sn γ-rays. Gammasphere array, comparison with neighboring nuclides.
doi: 10.1088/0954-3899/28/2/102
2002HW03 Phys.Rev. C65, 034319 (2002), Erratum Phys.Rev. C 106, 049905 (2022) J.K.Hwang, A.V.Ramayya, J.H.Hamilton, C.J.Beyer, J.O.Rasmussen, Y.X.Luo, S.C.Wu, T.N.Ginter, C.M.Folden III, P.Fallon, P.M.Zielinski, K.E.Gregorich, A.O.Macchiavelli, M.Stoyer, S.J.Asztalos, A.Covello, A.Gargano Particle-Hole Excited States in 133Te RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 133Te; deduced levels, J, π, configurations. Gammasphere array. Comparison with shell model results.
doi: 10.1103/PhysRevC.65.034319
2002HW06 Phys.Rev. C65, 054314 (2002) J.K.Hwang, A.V.Ramayya, J.H.Hamilton, C.J.Beyer, X.Q.Zhang, J.O.Rasmussen, Y.X.Luo, S.C.Wu, T.N.Ginter, I.Y.Lee, C.M.Folden, P.Fallon, P.Zielinski, K.E.Gregorich, A.O.Macchiavelli, M.A.Stoyer, S.J.Asztalos π 7/2[413] Rotational Band and High Spin States in Odd-Mass 115, 117Ag RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 115,117Ag deduced high-spin levels, J, π, configurations. Gammasphere array.
doi: 10.1103/PhysRevC.65.054314
2002KI25 Nucl.Instrum.Methods Phys.Res. A484, 587 (2002) U.W.Kirbach, C.M.Folden III, T.N.Ginter, K.E.Gregorich, D.M.Lee, V.Ninov, J.P.Omtvedt, J.B.Patin, N.K.Seward, D.A.Strellis, R.Sudowe, A.Turler, P.A.Wilk, P.M.Zielinski, D.C.Hoffman, H.Nitsche The Cryo-Thermochromatographic Separator (CTS): A new rapid separation and α-detection system for on-line chemical studies of highly volatile osmium and hassium (Z=108) tetroxides
doi: 10.1016/S0168-9002(01)01990-8
2002LO15 Phys.Rev. C66, 044617 (2002) W.Loveland, K.E.Gregorich, J.B.Patin, D.Peterson, C.Rouki, P.M.Zielinski, K.Aleklett Search for the production of element 112 in the 48Ca+238U reaction NUCLEAR REACTIONS 238U(48Ca, 3n), E=231 MeV; measured Eα, (recoil)α-coin following residual nucleus decay; deduced σ upper limit.
doi: 10.1103/PhysRevC.66.044617
2002LU08 Phys.Rev. C66, 014305 (2002), Erratum Phys.Rev. C 107, 029902 (2023) Y.X.Luo, J.O.Rasmussen, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, C.J.Beyer, S.J.Zhu, J.Kormicki, X.Q.Zhang, E.F.Jones, P.M.Gore, T.N.Ginter, K.E.Gregorich, I.-Y.Lee, A.O.Macchiavelli, P.Zielinski, C.M.Folden III, P.Fallon, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.V.Daniel, M.A.Stoyer, J.D.Cole, R.Donangelo, S.C.Wu, S.J.Asztalos Level Structure of 141Ba and 139Xe and the Level Systematics of N = 85 Even-Odd Isotones RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 141Ba, 139Xe deduced high-spin levels, possible J, π, configurations. Level systematics in neighboring isotones discussed. Gammasphere array.
doi: 10.1103/PhysRevC.66.014305
2002NI10 Phys.Rev.Lett. 89, 039901 (2002); see also 1999Ni03 V.Ninov, K.E.Gregorich, W.Loveland, A.Ghiorso, D.C.Hoffman, D.M.Lee, H.Nitsche, W.J.Swiatecki, U.W.Kirbach, C.A.Laue, J.L.Adams, J.B.Patin, D.A.Shaughnessy, D.A.Strellis, P.A.Wilk Editorial Note: Observation of Superheavy Nuclei Produced in the Reaction of 86Kr with 208Pb
doi: 10.1103/PhysRevLett.89.039901
2002RO17 Phys.Rev. C65, 054310 (2002) M.W.Rowe, J.C.Batchelder, T.N.Ginter, K.E.Gregorich, F.Q.Guo, F.P.Hessberger, V.Ninov, J.Powell, K.S.Toth, X.J.Xu, J.Cerny Decay of 178Tl RADIOACTIVITY 159Ta, 170,171Ir, 171,172,173Pt, 174,175,176Au, 175,176,177,178,179Hg, 178,179,179mTl(α) [from 102Pd(78Kr, xnyp) and subsequent decay]; measured Eα, T1/2, branching ratios. 174Au, 170Ir deduced levels. 178Tl, 170,171Ir deduced mass excess. NUCLEAR REACTIONS 102Pd(78Kr, np), E=340 MeV; measured delayed Eα, αα-, (recoil)α-coin; deduced σ lower limit.
doi: 10.1103/PhysRevC.65.054310
2002SH02 Phys.Rev. C65, 024612 (2002) D.A.Shaughnessy, K.E.Gregorich, J.L.Adams, M.R.Lane, C.A.Laue, D.M.Lee, C.A.McGrath, V.Ninov, J.B.Patin, D.A.Strellis, E.R.Sylwester, P.A.Wilk, D.C.Hoffman Electron-Capture Delayed Fission Properties of 244Es RADIOACTIVITY 244Es(EC) [from 237Np(12C, 5n)]; measured EC-delayed fission T1/2, Eα, fission fragment energies, mass distribution; deduced delayed fission probability. NUCLEAR REACTIONS 237Np(12C, 5n), E=81 MeV; measured σ.
doi: 10.1103/PhysRevC.65.024612
2002ZH02 Phys.Rev. C65, 014307 (2002) S.J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, C.Y.Gan, X.Q.Zhang, C.J.Beyer, J.Kormicki, M.Sakhaee, L.M.Yang, L.Y.Zhu, R.Q.Xu, Z.Zhang, Z.Jiang, W.C.Ma, E.F.Jones, P.M.Gore, J.D.Cole, M.W.Drigert, I.Y.Lee, J.O.Rasmussen, T.N.Ginter, Y.X.Luo, S.C.Wu, C.Folden, P.Fallon, P.Zielinski, K.E.Gregorich, A.O.Macchiavelli, S.J.Asztalos, G.M.Ter-Akopian, Yu.Ts.Oganessian, M.A.Stoyer, J.P.Greene, R.V.F.Janssens, I.Ahmad Observation of Rotational Bands in the Neutron-Rich 107Ru Nucleus RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 107Ru deduced high-spin levels, J, π, configurations. Gammasphere array. Level systematics in neighboring isotopes discussed.
doi: 10.1103/PhysRevC.65.014307
2001LU16 Phys.Rev. C 64, 054306 (2001); Erratum Phys.Rev. C 104, 069902 (2021) Y.X.Luo, J.O.Rasmussen, A.V.Ramayya, J.H.Hamilton, X.Q.Zhang, J.K.Hwang, C.J.Beyer, J.Kormicki, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.V.Daniel, K.E.Gregorich, T.N.Ginter, P.Zielinski, C.M.Folden, I.Y.Lee, P.Fallon, A.Macchiavelli, R.Donangelo, M.A.Stoyer, S.Asztalos, S.C.Wu Fission γ Spectra and Levels in 139Ba RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 135Te, 139Ba deduced high-spin levels, J, π. Gammasphere array.
doi: 10.1103/PhysRevC.64.054306
2001NI02 Nucl.Phys. A682, 98c (2001) V.Ninov, K.E.Gregorich, T.N.Ginter, F.P.Hessberger, R.Krucken, D.M.Lee, W.Loveland, W.D.Myers, J.Patin, M.W.Rowe, N.K.Seward, W.J.Swiatecki, A.Turler, P.A.Wilk Production and Structure of the Heaviest Elements
doi: 10.1016/S0375-9474(00)00627-8
2001SH09 Phys.Rev. C63, 037603 (2001) D.A.Shaughnessy, K.E.Gregorich, M.R.Lane, C.A.Laue, D.M.Lee, C.A.McGrath, D.A.Strellis, E.R.Sylwester, P.A.Wilk, D.C.Hoffman Electron-Capture Delayed Fission Probabilities of 248Es and 246Es RADIOACTIVITY 246,248Es(EC) [from 249Cf(p, xn)]; measured EC-delayed fission probability. Systematics of fission probability vs Q(EC) discussed.
doi: 10.1103/PhysRevC.63.037603
2000EI05 Nature(London) 407, 63 (2000) R.Eichler, W.Bruchle, R.Dressler, Ch.E.Dullmann, B.Eichler, H.W.Gaggeler, K.E.Gregorich, D.C.Hoffman, S.Hubener, D.T.Jost, U.W.Kirbach, C.A.Laue, V.M.Lavanchy, H.Nitsche, J.B.Patin, D.Piguet, M.Schadel, D.A.Shaughnessy, D.A.Strellis, S.Taut, L.Tobler, Y.S.Tsyganov, A.Turler, A.Vahle, P.A.Wilk, A.B.Yakushev Chemical characterization of bohrium (element 107) NUCLEAR REACTIONS 249Bk(22Ne, 4n), E=119 MeV; measured radiochemical yield; deduced chemical properties.
doi: 10.1038/35024044
2000GR38 J.Nucl.Radiochem.Sci. 1, 1 (2000) Superheavy Elements with the Berkeley Gas-Filled Separator RADIOACTIVITY 293Og, 289Lv, 285Fl, 281Cn, 277Ds, 273Hs, 269Sg(α) [from 208Pb(86Kr, X)293Og, E=459 MeV]; measured decay products, Eα, Iα; deduced α-particle energies, T1/2, hindrance factors, evidence for new elements. Comparison with theoretical predictions. The Berkeley Gas-filled Separator.
doi: 10.14494/jnrs2000.1.1
2000LA25 Phys.Rev. C61, 067603 (2000) C.A.Laue, K.E.Gregorich, R.Sudowe, J.L.Adams, M.R.Lane, D.M.Lee, C.A.McGrath, D.A.Shaughnessy, D.A.Strellis, E.R.Sylwester, P.A.Wilk, D.C.Hoffman Half-Life of 232Pu and Excitation Function for the 233U (3He, 4n)232Pu Reaction NUCLEAR REACTIONS 233U(3He, 4n), E=28-47 MeV; measured excitation function. RADIOACTIVITY 232Pu(α) [from 233U(3He, 4n)]; measured T1/2.
doi: 10.1103/PhysRevC.61.067603
2000SA59 High Energy Phys. and Nucl.Phys. (China) 24, 1018 (2000) M.Sakhaee, S.-J.Zhu, C.-Y.Gan, L.-Y.Zhu, L.-M.Yang, R.-Q.Xu, M.-G.Jon, Z.Jiang, Z.Zhang, J.H.Hamilton, A.V.Ramayya, B.R.S.Babu, J.K.Hwang, W.C.Ma, J.Komicki, J.D.Cole, R.Aryaeinejad, M.W.Drigert, J.O.Rasmussen, M.A.Stoyer, S.Y.Chu, K.E.Gregorich, M.F.Mohar, S.G.Prussin, I.Y.Lee, Yu.Ts.Oganessian, G.M.Ter-Akopian, A.V.Daniel Collective Band Structures in Neutron-Rich Odd-A 145, 147Ce Nuclei
2000SH10 Phys.Rev. C61, 044609 (2000) D.A.Shaughnessy, J.L.Adams, K.E.Gregorich, M.R.Lane, C.A.Laue, D.M.Lee, C.A.McGrath, J.B.Patin, D.A.Strellis, E.R.Sylwester, P.A.Wilk, D.C.Hoffman Electron-Capture Delayed Fission Properties of 242Es RADIOACTIVITY 242Es(EC), (α) [from 233U(14N, 5n)]; measured ec-delayed fission T1/2, fragment mass yields, total kinetic energies; deduced delayed fission probability.
doi: 10.1103/PhysRevC.61.044609
2000SY01 Radiochim.Acta 88, 837 (2000) E.R.Sylwester, K.E.Gregorich, D.M.Lee, B.Kadkhodayan, A.Turler, J.L.Adams, C.D.Kacher, M.R.Lane, C.A.Laue, C.A.McGrath, D.A.Shaughnessy, D.A.Strellis, P.A.Wilk, D.C.Hoffman On-line gas chromatographic studies of Rf, Zr, and Hf bromides RADIOACTIVITY 98Zr(β-);162Hf(EC); measured Eγ, Iγ. 261Rf(α); measured Eα, Iα, half-life.
2000WI15 Phys.Rev.Lett. 85, 2697 (2000) P.A.Wilk, K.E.Gregorich, A.Turler, C.A.Laue, R.Eichler, V.Ninov, J.L.Adams, U.W.Kirbach, M.R.Lane, D.M.Lee, J.B.Patin, D.A.Shaughnessy, D.A.Strellis, H.Nitsche, D.C.Hoffman Evidence for New Isotopes of Element 107: 266Bh and 267Bh NUCLEAR REACTIONS 249Bk(22Ne, 4n), (22Ne, 5n), E ≈ 117, 123 MeV; measured α spectra, αα-coin following residual nucleus decay; deduced production σ. RADIOACTIVITY 266,267Bh(α) [from 249Bk(22Ne, xn)]; measured Eα, T1/2.
doi: 10.1103/PhysRevLett.85.2697
2000ZH59 High Energy Phys. and Nucl.Phys. (China) 24, 418 (2000) S.-J.Zhu, M.-G.Wang, L.-Y.Zhu, M.Li, C.-Y.Gan, L.-M.Yang, M.Sakhaee, S.-L.Pau, J.-K.Deng, G.-L.Long, J.H.Hamilton, A.V.Ramayya, B.R.S.Babu, J.K.Hwang, W.C.Ma, J.Komicki, J.D.Cole, R.Aryaeinejad, M.W.Drigert, J.O.Rasmussen, M.A.Stoyer, S.Y.Chu, K.E.Gregorich, M.F.Mohar, S.G.Prussin, I.Y.Lee, Yu.Ts.Oganessian, G.M.Ter-Akopian, A.V.Daniel Octupole Deformation in Neutron Rich 145, 147La Nuclei
1999BU32 J.Phys.(London) G25, 2253 (1999) K.Butler-Moore, R.Aryaeinejad, X.Q.Zhang, B.R.S.Babu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, V.E.Oberacker, S.J.Zhu, J.Kormicki, L.K.Peker, J.D.Cole, Y.X.Dardenne, W.C.Ma, S.J.Asztalos, S.Y.Chu, K.E.Gregorich, I.Y.Lee, M.F.Mohar, J.O.Rasmussen, R.W.Lougheed, K.J.Moody, M.A.Stoyer, J.F.Wild, S.G.Prussin, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.V.Daniel, J.Kliman, M.Morhac High-Spin States in Neutron-Rich Even-Even Pd Isotopes RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 112,114,116Pd deduced high-spin levels, J, π, configurations. Gammasphere array. IBA calculations, level systematics in Pd isotopes discussed.
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1999LA14 Phys.Rev. C59, 3086 (1999) C.A.Laue, K.E.Gregorich, R.Sudowe, M.B.Hendricks, J.L.Adams, M.R.Lane, D.M.Lee, C.A.McGrath, D.A.Shaughnessy, D.A.Strellis, E.R.Sylwester, P.A.Wilk, D.C.Hoffman New Plutonium Isotope: 231Pu NUCLEAR REACTIONS 233U(3He, 5n), E=42-47 MeV; measured αα-coin following residual nucleus decay; deduced evidence for 231Pu. Gas transport, chemical separation. RADIOACTIVITY 231Pu(α), (EC); measured Eα, T1/2, branching ratio; deduced logft, Q(α).
doi: 10.1103/PhysRevC.59.3086
1999NI03 Phys.Rev.Lett. 83, 1104 (1999); Erratum Phys.Rev.Lett. 89, 039901 (2002); see also 2002GrZZ V.Ninov, K.E.Gregorich, W.Loveland, A.Ghiorso, D.C.Hoffman, D.M.Lee, H.Nitsche, W.J.Swiatecki, U.W.Kirbach, C.A.Laue, J.L.Adams, J.B.Patin, D.A.Shaughnessy, D.A.Strellis, P.A.Wilk Observation of Superheavy Nuclei Produced in the Reaction of 86Kr with 208Pb NUCLEAR REACTIONS 208Pb(86Kr, n), E=449 MeV; measured α-spectra, (recoil)α-, αα-coin following residual nucleus decay, production σ; deduced evidence for 293Og, 289Lv, 285Fl, 281Cn, 277Ds, 273Hs, 269Sg. Gas-filled separator. RADIOACTIVITY 293Og, 289Lv, 285Fl, 281Cn, 277Ds, 273Hs(α) [from 208Pb(86Kr, n) and subsequent α-decay]; measured Eα, T1/2.
doi: 10.1103/PhysRevLett.83.1104
1999SA58 Phys.Rev. C60, 067303 (1999) M.Sakhaee, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, X.Q.Zhang, L.M.Yang, L.Y.Zhu, C.Y.Gan, E.F.Jones, P.M.Gore, T.N.Ginter, B.R.S.Babu, W.C.Ma, J.Kormicki, C.J.Beyer, G.L.Long, J.K.Deng, K.Li, J.D.Cole, R.Aryaeinejad, M.W.Drigert, J.O.Rasmussen, S.Asztalos, I.Y.Lee, A.O.Macchiavelli, S.Y.Chu, K.E.Gregorich, M.F.Mohar, M.A.Stoyer, R.W.Lougheed, K.J.Moody, J.F.Wild, S.G.Prussin, G.M.Ter-Akopian, A.V.Daniel, Yu.Ts.Oganessian Identification of Levels in Neutron-Rich 145Ce and 147Ce Nuclei RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 145,147Ce deduced high-spin levels, J, π, configurations. Gammasphere array. Comparison with particle-plus-rotor calculations.
doi: 10.1103/PhysRevC.60.067303
1999TU04 Angew.Chem., Int.Ed.Eng. 38, 2212 (1999) A.Turler, W.Bruchle, R.Dressler, B.Eichler, R.Eichler, H.W.Gaggeler, M.Gartner, J.-P.Glatz, K.E.Gregorich, S.Hubener, D.T.Jost, V.Ya.Lebedev, V.G.Pershina, M.Schadel, S.Taut, S.N.Timokhin, N.Trautmann, A.Vahle, A.B.Yakushev First Measurement of a Thermochemical Property of a Seaborgium Compound
1999ZH05 Phys.Rev. C59, 1316 (1999) S.J.Zhu, J.H.Hamilton, A.V.Ramayya, M.G.Wang, J.K.Hwang, E.F.Jones, L.K.Peker, B.R.S.Babu, G.Drafta, W.C.Ma, G.L.Long, L.Y.Zhu, M.Li, C.Y.Gan, T.N.Ginter, J.Kormicki, J.K.Deng, D.T.Shi, W.E.Collins, J.D.Cole, R.Aryaeinejad, M.W.Drigert, J.O.Rasmussen, R.Donangelo, J.Gilat, S.Asztalos, I.Y.Lee, A.O.Macchiavelli, S.Y.Chu, K.E.Gregorich, M.F.Mohar, M.A.Stoyer, R.W.Lougheed, K.J.Moody, J.F.Wild, S.G.Prussin, G.M.Ter-Akopian, A.V.Daniel, Yu.Ts.Oganessian Octupole Correlations in Neutron-Rich 145, 147La Nuclei: Coriolis-limit-coupling bands with aligned h11/2 Proton RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 145,147La deduced high-spin levels, possible J, π, B(E1)/B(E2), octupole correlations. Cranked shell model analysis. Gammasphere array.
doi: 10.1103/PhysRevC.59.1316
1999ZH08 Chin.Phys.Lett. 16, 169 (1999) S.-J.Zhu, M.-G.Wang, J.H.Hamilton, A.V.Ramayya, B.R.S.Babu, W.C.Ma, G-L.Long, L.-Y.Zhu, M.Li, M.Sakhaee, C.-Y.Gan, L.-M.Yang, J.Kormicki, J.D.Cole, R.Aryaeinejad, M.W.Drigert, J.O.Rasmussen, M.A.Stoyer, S.Y.Chu, K.E.Gregorich, M.F.Mohar, S.G.Prussin, I.Y.Lee, Yu.Ts.Oganessian, G.M.Ter-Akopian, A.V.Daniel Octupole Deformation Bands of πh11/2 in Neutron-Rich 145, 147La Nuclei RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 145,147La deduced high-spin levels, possible J, π, configurations, B(E1)/B(E2), octupole deformation. Gammasphere array.
1999ZH29 Chin.Phys.Lett. 16, 715 (1999) S.-J.Zhu, M.Sakhaee, J.H.Hamilton, A.V.Ramayya, C.-Y.Gan, L.-Y.Zhu, L.-M.Yang, G.-L.Long, S.-L.Pau, B.R.S.Babu, J.K.Hwang, W.C.Ma, J.Kormicki, X.Q.Zhang, E.F.Jones, J.D.Cole, R.Aryaeinejad, M.W.Drigert, J.O.Rasmussen, M.A.Stoyer, S.Y.Chu, K.E.Gregorich, M.F.Mohar, S.G.Prussin, I.Y.Lee, Yu.Ts.Oganessian, G.M.Ter-Akopian, A.V.Daniel Octupole Deformation and Signature Inversion in 145Ba RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 145Ba deduced high-spin levels, J, π, B(E1)/B(E2), signature inversion, deformation features. Gammasphere array.
doi: 10.1088/0256-307X/16/10/005
1999ZH31 Phys.Rev. C60, 051304 (1999) S.J.Zhu, J.H.Hamilton, A.V.Ramayya, E.F.Jones, J.K.Hwang, M.G.Wang, X.Q.Zhang, P.M.Gore, L.K.Peker, G.Drafta, B.R.S.Babu, W.C.Ma, G.L.Long, L.Y.Zhu, C.Y.Gan, L.M.Yang, M.Sakhaee, M.Li, J.K.Deng, T.N.Ginter, C.J.Beyer, J.Kormicki, J.D.Cole, R.Aryaeinejad, M.W.Drigert, J.O.Rasmussen, S.Asztalos, I.Y.Lee, A.O.Macchiavelli, S.Y.Chu, K.E.Gregorich, M.F.Mohar, G.M.Ter-Akopian, A.V.Daniel, Yu.Ts.Oganessian, R.Donangelo, M.A.Stoyer, R.W.Lougheed, K.J.Moody, J.F.Wild, S.G.Prussin, J.Kliman, H.C.Griffin Octupole Correlations in Neutron-Rich 143, 145Ba and a Type of Superdeformed Band in 145Ba RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 143,145Ba deduced high-spin levels, J, π, B(E1)/B(E2), possible stable octupole deformation. Gammasphere array.
doi: 10.1103/PhysRevC.60.051304
1998HW02 J.Phys.(London) G24, L9 (1998) J.K.Hwang, A.V.Ramayya, J.H.Hamilton, L.K.Peker, J.Kormicki, B.R.S.Babu, T.N.Ginter, C.J.Beyer, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.V.Daniel, W.C.Ma, P.G.Varmette, J.O.Rasmussen, S.J.Asztalos, S.Y.Chu, K.E.Gregorich, A.O.Macchiavelli, R.W.Macleod, J.Gilat, J.D.Cole, R.Aryaeinejad, K.Butler-Moore, M.W.Drigert, M.A.Stoyer, L.A.Bernstein, R.W.Lougheed, K.J.Moody, S.G.Prussin, H.C.Griffin, R.Donangelo Close Doublet Structures in 103Mo, 109,111Ru, and Neighbours: Rotation-alignment for the half-filled h11/2 subshell ( Question ) RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 103,105Mo, 109,111Ru deduced levels, band structure, possible J, π, configurations, evidence for rotation alignment. Comparison with other nuclei.
doi: 10.1088/0954-3899/24/5/009
1998HW04 Phys.Rev. C57, 2250 (1998); Erratum Phys.Rev. C58, 3013 (1998) J.K.Hwang, A.V.Ramayya, J.H.Hamilton, L.K.Peker, J.Kormicki, B.R.S.Babu, T.N.Ginter, C.J.Beyer, J.O.Rasmussen, J.Gilat, S.J.Asztalos, S.Y.Chu, K.E.Gregorich, A.O.Macchiavelli, R.W.Macleod, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.V.Daniel, W.C.Ma, P.G.Varmette, J.D.Cole, R.Aryaeinejad, K.Butler-Moore, M.W.Drigert, M.A.Stoyer, L.A.Bernstein, R.W.Lougheed, K.J.Moody, S.G.Prussin, H.C.Griffin, R.Donangelo, S.J.Zhu Identification of the γ Transitions in Tc and Cs Products of 252Cf Fission and Possible (7/2)+ [413] Bands in 105-109Tc Isotopes RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 105Tc deduced high-spin levels, J, π, rotational bands. 106,107,108,109Tc deduced levels, possible J, π. 139,140,141,142,143Cs deduced levels.
doi: 10.1103/PhysRevC.57.2250
1998LA30 Phys.Rev. C58, 3413 (1998) M.R.Lane, K.E.Gregorich, D.M.Lee, B.Wierczinski, C.A.McGrath, M.B.Hendricks, D.A.Shaughnessy, D.A.Strellis, E.R.Sylwester, P.A.Wilk, D.C.Hoffman Production Cross Sections of 105261Ha from the 250Cf(15N, 4n) and 243Am(22Ne, 4n) Reactions NUCLEAR REACTIONS, ICPND 250Cf(15N, 4n), E=84 MeV; 243Am(22Ne, 4n), E=116 MeV; measured α-spectra following residual decay; deduced production σ.
doi: 10.1103/PhysRevC.58.3413
1998RA09 Phys.Rev. C57, 2370 (1998) A.V.Ramayya, J.H.Hamilton, J.K.Hwang, L.K.Peker, J.Kormicki, B.R.S.Babu, T.N.Ginter, A.Sandulescu, A.Florescu, F.Carstoiu, W.Greiner, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.V.Daniel, W.C.Ma, P.G.Varmette, J.O.Rasmussen, S.J.Asztalos, S.Y.Chu, K.E.Gregorich, A.O.Macchiavelli, R.W.Macleod, J.D.Cole, R.Aryaeinejad, K.Butler-Moore, M.W.Drigert, M.A.Stoyer, L.A.Bernstein, R.W.Lougheed, K.J.Moody, S.G.Prussin, S.J.Zhu, H.C.Griffin, R.Donangelo Cold (Neutronless) α Ternary Fission of 252Cf RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin; deduced α-associated ternary fission isotopic yields.
doi: 10.1103/PhysRevC.57.2370
1998SC50 Radiochim.Acta 83, 163 (1998) M.Schadel, W.Bruchle, E.Jager, B.Schausten, G.Wirth, W.Paulus, R.Gunther, K.Eberhardt, J.V.Kratz, A.Seibert, E.Strub, P.Thorle, N.Trautmann, A.Waldek, S.Zauner, D.Schumann, U.Kirbach, B.Kubica, R.Misiak, Y.Nagame, K.E.Gregorich Aqueous Chemistry of Seaborgium (Z=106)
1998TU01 Phys.Rev. C57, 1648 (1998) A.Turler, R.Dressler, B.Eichler, H.W.Gaggeler, D.T.Jost, M.Schadel, W.Bruchle, K.E.Gregorich, N.Trautmann, S.Taut Decay Properties of 265Sg(Z = 106) and 266Sg(Z = 106) NUCLEAR REACTIONS 248Cm(22Ne, 4n), (22Ne, 5n), E=121, 123 MeV; measured residual nuclei decay α-spectra, αα-coin; deduced evidence for 265,266Sg. On-line gas chemistry apparatus. RADIOACTIVITY 265,266Sg(α); measured Eα, T1/2.
doi: 10.1103/PhysRevC.57.1648
1998ZH12 Phys.Rev. C57, 2040 (1998); Erratum Phys.Rev. C58, 3012 (1998) X.Q.Zhang, J.H.Hamilton, A.V.Ramayya, L.K.Peker, J.K.Hwang, E.F.Jones, J.Kormicki, C.J.Beyer, P.M.Gore, B.R.S.Babu, T.N.Ginter, S.J.Asztalos, S.Y.Chu, K.E.Gregorich, I.Y.Lee, A.O.Macchiavelli, R.W.Macleod, J.O.Rasmussen, J.Gilat, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.V.Daniel, W.C.Ma, P.G.Varmette, J.D.Cole, R.Aryaeinejad, K.Butler-Moore, Y.X.Dardenne, M.W.Drigert, M.A.Stoyer, J.F.Wild, J.A.Becker, L.A.Bernstein, R.W.Lougheed, K.J.Moody, R.Donangelo, S.G.Prussin, H.C.Griffin, S.J.Zhu Identification of New Negative-Parity Levels in 152,154Nd RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 152,154Nd deduced high-spin levels, J, π, negative-parity bands.
doi: 10.1103/PhysRevC.57.2040
1998ZH39 Chin.Phys.Lett. 15, 793 (1998) S.-J.Zhu, C.-Y.Gan, J.H.Hamilton, A.V.Ramayya, B.R.S.Babu, M.Sakhaee, W.C.Ma, G.-L.Long, J.-K.Deng, L.-Y.Zhu, M.Li, L.-M.Yang, J.Kormicki, J.D.Cole, R.Aryaeinejad, Y.K.Dardenne, M.W.Drigert, J.O.Rasmussen, M.A.Stoyer, S.Y.Chu, K.E.Gregorich, M.F.Mohar, S.G.Prussin, I.Y.Lee, N.R.Johnson, F.K.McGowan Collective Band Structures in the Neutron-Rich 107, 109Ru Nuclei RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 107,109Ru deduced high-spin levels, J, π, configurations. Particle-rotor model analysis. Gammasphere array.
doi: 10.1088/0256-307X/15/11/005
1997HA64 Prog.Part.Nucl.Phys. 38, 273 (1997) J.H.Hamilton, A.V.Ramayya, J.K.Hwang, J.Kormicki, B.R.S.Babu, A.Sandulescu, A.Florescu, W.Greiner, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.V.Daniel, S.J.Zhu, M.G.Wang, T.Ginter, J.K.Deng, W.C.Ma, G.S.Popeko, Q.H.Lu, E.Jones, R.Dodder, P.Gore, W.Nazarewicz, J.O.Rasmussen, S.Asztalos, I.Y.Lee, S.Y.Chu, K.E.Gregorich, A.O.Macchiavelli, M.F.Mohar, S.Prussin, M.A.Stoyer, R.W.Lougheed, K.J.Moody, J.F.Wild, L.A.Bernstein, J.A.Becker, J.D.Cole, R.Aryaeinejad, Y.X.Dardenne, M.W.Drigert, K.Butler-Moore, R.Donangelo, H.C.Griffin New Cold and Ultra Hot Binary and Cold Ternary Spontaneous Fission Modes for 252Cf and New Band Structures with Gammasphere RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-, (X-ray)γ-coin, prompt neutron multiplicity following binary, ternary fission; deduced fragments isotopic yields. 142,143,144,145,146,148Ba, 140Xe, 144Ce, 99,100,102Zr, 98,100Sr, 112,114,116Pd, 156,158,160Sm deduced high-spin levels, J, π, rotational bands features. 108,110,112Ru, 148,150,152Ce, 146,148,150,152,154Nd, 140Ba, 98Sr, 104Zr deduced rotational bands features. Gammasphere array.
doi: 10.1016/S0146-6410(97)00037-9
1997HW02 Int.J.Mod.Phys. E6, 331 (1997) J.K.Hwang, A.V.Ramayya, J.H.Hamilton, J.Kormicki, L.K.Peker, B.R.S.Babu, T.N.Ginter, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.V.Daniel, W.C.Ma, P.G.Varmette, S.J.Asztalos, S.Y.Chu, K.E.Gregorich, I.Y.Lee, A.O.Macchiavelli, R.W.Macleod, J.O.Rasmussen, J.D.Cole, R.Aryaeinejad, K.Butler-Moore, Y.X.Dardenne, M.W.Drigert, M.A.Stoyer, J.F.Wild, J.A.Becker, L.A.Bernstein, R.W.Lougheed, K.J.Moody, R.Donangelo, S.G.Prussin, H.C.Griffin Identification of the ν3/2-[521] Band in 153Nd and the γ-Transitions in 149Nd RADIOACTIVITY 252Cf(SF); measured γγ-coin; deduced E2 transition energies in N=93 isotones, N=89 isotones Eγ. 149Nd deduced high-spin level associated transitions. 153Nd deduced high-spin levels, band structure, signature splitting related features, moment of inertia. Other data input.
doi: 10.1142/S0218301397000226
1997HW03 Phys.Rev. C56, 1344 (1997) J.K.Hwang, A.V.Ramayya, J.H.Hamilton, L.K.Peker, J.Kormicki, B.R.S.Babu, T.N.Ginter, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.V.Daniel, W.C.Ma, P.G.Varmette, J.O.Rasmussen, S.J.Asztalos, S.Y.Chu, K.E.Gregorich, A.O.Macchiavelli, R.W.Macleod, J.Gilat, J.D.Cole, R.Aryaeinejad, K.Butler-Moore, M.W.Drigert, M.A.Stoyer, Y.X.Dardenne, J.A.Becker, L.A.Bernstein, R.W.Lougheed, K.J.Moody, S.G.Prussin, H.C.Griffin, R.Donangelo Identification of 109Mo and Possible Octupole Correlations in 107,109Mo RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 107,109Mo deduced high-spin levels, J, π, B(E1)/B(E2), configurations, octupole deformation.
doi: 10.1103/PhysRevC.56.1344
1997RA39 Nuovo Cim. 110A, 1073 (1997) A.V.Ramayya, J.H.Hamilton, J.K.Hwang, L.K.Peker, J.Kormicki, B.R.S.Babu, T.N.Ginter, A.Sandulescu, A.Florescu, F.Carstoiu, W.Greiner, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.V.Daniel, W.C.Ma, P.G.Varmette, J.O.Rasmussen, S.J.Asztalos, S.Y.Chu, K.E.Gregorich, A.O.Macchiavelli, R.W.MacLeod, J.D.Cole, R.Aryaeinejad, K.Butler-Moore, M.W.Drigert, M.A.Stoyer, L.A.Bernstein, R.W.Lougheed, K.J.Moody, S.G.Prussin, S.J.Zhu, H.C.Griffin, R.Donangelo Cold Binary and Ternary Fragmentations in Spontaneous Fission of 252Cf RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin; deduced fragment isotopic yields, binary, α-associated ternary events features.
doi: 10.1007/BF03035948
1997SC48 Radiochim.Acta 77, 149 (1997) M.Schadel, W.Bruchle, B.Schausten, E.Schimpf, E.Jager, G.Wirth, R.Gunther, J.V.Kratz, W.Paulus, A.Seibert, P.Thorle, N.Trautmann, S.Zauner, D.Schumann, M.Andrassy, R.Misiak, K.E.Gregorich, D.C.Hoffman, D.M.Lee, E.R.Sylwester, Y.Nagame, Y.Oura First Aqueous Chemistry with Seaborgium (Element 106) RADIOACTIVITY 265,266Sg(α), (SF) [from 248Cm(22Ne, xn)]; measured T1/2. Chemical separation.
1997SC49 Nature(London) 388, 55 (1997) M.Schadel, W.Bruchle, R.Dressler, B.Eichler, H.W.Gaggeler, R.Gunther, K.E.Gregorich, D.C.Hoffman, S.Hubener, D.T.Jost, J.V.Kratz, W.Paulus, D.Schumann, S.Timokhin, N.Trautmann, A.Turler, G.Wirth, A.Yakushev Chemical properties of element 106 (seaborgium) RADIOACTIVITY 265,266Sg(α) [from 248Cm(22Ne, X)265Sg/266Sg]; measured Eα, Iα, chemical properties.
1997TE10 Bull.Rus.Acad.Sci.Phys. 61, 149 (1997) G.M.Ter-Akopian, Yu.Ts.Oganessian, G.S.Popeko, A.V.Daniel, J.Hamilton, J.Kormicki, A.V.Ramayya, W.-C.Ma, J.Rasmussen, M.Stoyer, S.Y.Chu, K.E.Gregorich, M.F.Mohar, S.Prussin, J.Kliman, M.Morhac, J.D.Cole, R.Aryaeinejad, Y.K.Dardenne, M.Drigert Angular Momenta of Fragments in the 252Cf Spontaneous Fission RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ; deduced 144Ba, 138,140Xe, 104Mo fragment angular momenta. Multiple characteristic γ-quanta emitted from fragment partners.
1997TE17 Bull.Rus.Acad.Sci.Phys. 61, 587 (1997) G.M.Ter-Akopian, Yu.Ts.Oganessian, G.S.Popeko, A.V.Daniel, J.Hamilton, J.Kormicki, A.V.Ramayya, W.-C.Ma, B.R.S.Babu, T.Ginter, S.J.Zhu, J.Rasmussen, M.Stoyer, I.Y.Lee, S.Asztalos, S.Y.Chu, K.E.Gregorich, A.O.Macchiavelli, M.F.Mohar, S.Prussin, J.Kliman, M.Morhac, J.D.Cole, R.Aryaeinejad, Y.K.Dardenne, M.Drigert Yields of Fragment Pairs and Other Characteristics of Spontaneous 252Cf Fission RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin; deduced isotopic yields, fragment pair yields, mean neutron multiplicities. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13624. Back to query form [Next] |