NSR Query Results
Output year order : Descending NSR database version of May 6, 2024. Search: Author = A.Ghiorso Found 109 matches. Showing 1 to 100. [Next]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
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
1995GH04 Nucl.Phys. A583, 861c (1995) A.Ghiorso, D.Lee, L.P.Somerville, W.Loveland, J.M.Nitschke, W.Ghiorso, G.T.Seaborg, P.Wilmarth, R.Leres, A.Wydler, M.Nurmia, K.Gregorich, R.Gaylord, T.Hamilton, N.J.Hannink, D.C.Hoffman, C.Jarzynski, C.Kacher, B.Kadkhodayan, S.Kreek, M.Lane, A.Lyon, M.A.McMahan, M.Neu, T.Sikkeland, W.J.Swiatecki, A.Turler, J.T.Walton, S.Yashita Evidence for the Synthesis of 267110 Produced by the 59Co + 209Bi Reaction NUCLEAR REACTIONS 209Bi(59Co, n), E ≈ 5.1 MeV/nucleon; measured Eα, production σ; deduced evidence for 267Ds.
doi: 10.1016/0375-9474(94)00775-I
1995GH05 Phys.Rev. C51, R2293 (1995) A.Ghiorso, D.Lee, L.P.Somerville, W.Loveland, J.M.Nitschke, W.Ghiorso, G.T.Seaborg, P.Wilmarth, R.Leres, A.Wydler, M.Nurmia, K.Gregorich, K.Czerwinski, R.Gaylord, T.Hamilton, N.J.Hannink, D.C.Hoffman, C.Jarzynski, C.Kacher, B.Kadkhodayan, S.Kreek, M.Lane, A.Lyon, M.A.McMahan, M.Neu, T.Sikkeland, W.J.Swiatecki, A.Turler, J.T.Walton, S.Yashita Evidence for the Possible Synthesis of Element 110 Produced by the 59Co + 209Bi Reaction NUCLEAR REACTIONS 209Bi(59Co, n), E=5.1 MeV/nucleon; measured implanted recoil Bρ, dE/dx, recoil energy; deduced 267Ds synthesis evidence, production σ.
doi: 10.1103/PhysRevC.51.R2293
1988GH01 Nucl.Instrum.Methods Phys.Res. A269, 192 (1988) A.Ghiorso, S.Yashita, M.E.Leino, L.Frank, J.Kalnins, P.Armbruster, J.-P.Dufour, P.K.Lemmertz SASSY, a Gas-Filled Magnetic Separator for the Study of Fusion Reaction Products NUCLEAR REACTIONS 208Pb(48Ca, 2n), E ≈ 205-220 MeV; measured σ(E), Eα, Iα. Gas filled magnetic separator.
doi: 10.1016/0168-9002(88)90877-7
1985AR02 Phys.Rev.Lett. 54, 406 (1985) P.Armbruster, Y.K.Agarwal, W.Bruchle, M.Brugger, J.P.Dufour, H.Gaggeler, F.P.Hessberger, S.Hofmann, P.Lemmertz, G.Munzenberg, K.Poppensieker, W.Reisdorf, M.Schadel, K.-H.Schmidt, J.H.R.Schneider, W.F.W.Schneider, K.Summerer, D.Vermeulen, G.Wirth, A.Ghiorso, K.E.Gregorich, D.Lee, M.Leino, K.J.Moody, G.T.Seaborg, R.B.Welch, P.Wilmarth, S.Yashita, C.Frink, N.Greulich, G.Herrmann, U.Hickmann, N.Hildebrand, J.V.Kratz, N.Trautmann, M.M.Fowler, D.C.Hoffman, W.R.Daniels, H.R.von Gunten, H.Dornhofer Attempts to Produce Superheavy Elements by Fusion of 48Ca with 248Cm in the Bombarding Energy Range of 4.5-5.2 MeV/u NUCLEAR REACTIONS 248Cm(48Ca, X), E=4.5-5.2 MeV/nucleon; measured superheavy production σ upper limits vs T1/2. Different separation techniques.
doi: 10.1103/PhysRevLett.54.406
1985SO03 Phys.Rev. C31, 1801 (1985) L.P.Somerville, M.J.Nurmia, J.M.Nitschke, A.Ghiorso, E.K.Hulet, R.W.Lougheed Spontaneous Fission of Rutherfordium Isotopes RADIOACTIVITY 256Rf(SF) [from 249Cf(12C, 5n), E=85 MeV]; 257Rf(SF) [from 249Cf(12C, 4n), E=75 MeV]; 258Rf(SF) [from 246Cm(16O, 4n), E=95 MeV]; 259Rf(SF) [from 245Cm(18O, 4n), E=93 MeV]; 260Rf(SF) [from 249Bk(15N, 4n), E=80 MeV; 248Cm(16O, 4n), E=92 MeV; 249Cf(16O, 3nα), E=96 MeV]; 262Rf(SF) [from 248Cm(18O, 4n), E=89 MeV; 244Pu(22Ne, 4n), E=113 MeV]; measured T1/2(SF), fission branching. Fast tape system. NUCLEAR REACTIONS, ICPND 244Pu(22Ne, 4n), E=113 MeV; 248Cm(18O, 4n), E=89 MeV; 249Cf(18O, 3nα), E=96 MeV; 248Cm(16O, 4n), E=92 MeV; 249Bk(15N, 4n), E=80 MeV; 245Cm(18O, 4n), E=93 MeV; 246Cm(16O, 4n), E=95 MeV; 249Cf(12C, 4n), E=75 MeV; 249Cf(12C, 5n), E=85 MeV; measured residual production σ, T1/2(SF), fission branch estimate. Fast tape system.
doi: 10.1103/PhysRevC.31.1801
1981HO32 Phys.Rev. C 24, 495 (1981) D.C.Hoffman, D.Lee, A.Ghiorso, M.J.Nurmia, K.Aleklett, M.Leino Fission properties of the 1.5-s spontaneous fission activity produced in bombardment of 248Cm with 18O RADIOACTIVITY 259Fm(SF) [from 248Cm(18O, X), E=95 MeV]; measured fission fragments. 258,259Fm, 260Md; deduced T1/2, total kinetic energy, uncertainty with the activity parent nuclide assignment, the most likely assignment is 259Fm.
doi: 10.1103/PhysRevC.24.495
1981LE23 Phys.Rev. C24, 2370 (1981) M.E.Leino, S.Yashita, A.Ghiorso Alpha Decay of Neutron Deficient Polonium and Bismuth Isotopes RADIOACTIVITY 192,193,193m,194Po, 191mBi; measured T1/2, Eα. Gas filled on-line mass separator.
doi: 10.1103/PhysRevC.24.2370
1981NI01 Nucl.Phys. A352, 138 (1981) J.M.Nitschke, M.Fowler, A.Ghiorso, R.E.Leber, M.E.Leino, M.J.Nurmia, L.P.Somerville, K.E.Williams, E.K.Hulet, J.H.Landrum, R.W.Lougheed, J.F.Wild, C.E.Bemis, Jr., R.J.Silva, P.Eskola Search for an 80 ms Spontaneous Fission Activity in Bombardments of 249Bk with 15N NUCLEAR REACTIONS, Fission 249Bk(15N, X), E=78, 82, 86, 88, 100 MeV; measured σ(E), spontaneous fission T1/2. 260Rf deduced no evidence for 80 ms spontaneous fission decay.
doi: 10.1016/0375-9474(81)90564-9
1980HO25 Phys.Rev. C22, 1581 (1980) D.Hoffman, D.Lee, A.Ghiorso, M.Nurmia, K.Aleklett Fragment Mass and Kinetic-Energy Distributions from Spontaneous Fission of the Neutron-Deficient Isotopes, 1.2-s 246Fm and 38-s 248Fm RADIOACTIVITY, Fission 246,248Fm(SF); measured fragment mass, kinetic energy distributions.
doi: 10.1103/PhysRevC.22.1581
1979NI01 Nucl.Phys. A313, 236 (1979) J.M.Nitschke, R.E.Leber, M.J.Nurmia, A.Ghiorso Observations in the Reactions of Two Magic Nuclei: 208Pb and 48Ca NUCLEAR REACTIONS 208Pb(48Ca, xn), 208Pb(40Ar, xn), E(cm)=160-200 MeV; measured σ(E), transfer reaction products; deduced angular momentum, tunneling effects.
doi: 10.1016/0375-9474(79)90578-5
1978BA44 Phys.Rev.Lett. 41, 738 (1978) P.A.Baisden, R.E.Leber, M.Nurmia, J.M.Nitschke, M.Michel, A.Ghiorso Isomeric States in 212Bi RADIOACTIVITY 212,212mBi; measured T1/2, Eα.
doi: 10.1103/PhysRevLett.41.738
1978IL01 Phys.Lett. 78B, 209 (1978) J.D.Illige, E.K.Hulet, J.M.Nitschke, R.J.Dougan, R.W.Lougheed, A.Ghiorso, J.H.Landrum Search for Volatile Superheavy Elements from the Reaction 248Cm + 48Ca NUCLEAR REACTIONS 248Cm(48Ca, X), E=267 MeV; measured σ for α-, SF-decay fragments; deduced no volatile superheavy elements with T1/2=1 sec-4.17 days.
doi: 10.1016/0370-2693(78)90007-2
1978OT03 J.Inorg.Nucl.Chem. 40, 589 (1978) R.J.Otto, D.J.Morrissey, D.Lee, A.Ghiorso, J.M.Nitschke, G.T.Seaborg, M.M.Fowler, R.J.Silva A Search for Superheavy Elements with Half-Lives between a Few Minutes and Several Hundred Days, Produced in the 48Ca + 248Cm Reaction NUCLEAR REACTIONS 248Cm(48Ca, X), E=255 MeV; measured SF activity; deduced no superheavy yield.
doi: 10.1016/0022-1902(78)80372-8
1977HU04 Phys.Rev.Lett. 39, 385 (1977) E.K.Hulet, R.W.Lougheed, J.F.Wild, J.H.Landrum, P.C.Stevenson, A.Ghiorso, J.M.Nitschke, R.J.Otto, D.J.Morrissey, P.A.Baisden, B.F.Gavin, D.Lee, R.J.Silva, M.M.Fowler, G.T.Seaborg Search for Superheavy Elements in the Bombardment of 248Cm with 48Ca NUCLEAR REACTIONS 248Cm(48Ca, X), E=267 MeV; measured σ for formation of superheavy elements.
doi: 10.1103/PhysRevLett.39.385
1977OT01 Radiochim.Acta 24, 3 (1977) R.J.Otto, A.Ghiorso, D.Lee, R.E.Leber, S.Yashita, G.T.Seaborg Search of Superheavy Elements Produced in the 136Xe + 238U Reaction and an Upper Limit Cross Section for the Gd(136Xe, X)212Pb Reaction NUCLEAR REACTIONS Gd(136Xe, X), E=1150 MeV; measured reaction products; deduced upper limit σ for production of 212Pb; 238U(136Xe, X), E=1150 MeV; measured reaction products; deduced spontaneous fission energy spectrum, lack of superheavy element production.
doi: 10.1524/ract.1977.24.1.3
1974GH04 Phys.Rev.Lett. 33, 1490 (1974) A.Ghiorso, J.M.Nitschke, J.R.Alonso, C.T.Alonso, M.Nurmia, G.T.Seaborg, E.K.Hulet, R.W.Lougheed Element 106 NUCLEAR REACTIONS 249Cf(18O, X)263Sg, E=95 MeV; measured reaction products, Eα, Iα; deduced σ. RADIOACTIVITY 263Sg(α); measured decay products, Eα, Iα; deduced T1/2.
doi: 10.1103/PhysRevLett.33.1490
1973ES02 Phys.Fenn. 8, 357 (1973) P.Eskola, K.Eskola, M.Nurmia, A.Ghiorso Two New Isotopes of Einsteinium, 243Es and 244Es RADIOACTIVITY 243,244Es; measured Eα, Iα, T1/2, estimated EC-branching ratios. NUCLEAR REACTIONS 233U(15N, 3n), (15N, 4n), (15N, 5n), (15N, 3np), E=70-100 MeV; measured σ(E).
1973GH03 Phys.Rev. C7, 2032 (1973) A.Ghiorso, K.Eskola, P.Eskola, M.Nurmia Isomeric States in 250Fm and 254No RADIOACTIVITY 250mFm, 254mNo; measured Eα, T1/2.
doi: 10.1103/PhysRevC.7.2032
1973SI40 Nucl.Phys. A216, 97 (1973) R.J.Silva, P.F.Dittner, M.L.Mallory, O.L.Keller, K.Eskola, P.Eskola, M.Nurmia, A.Ghiorso The New Nuclide Nobelium-259 RADIOACTIVITY 259No; measured T1/2, Eα, Iα. Deduced α-hindrance. NUCLEAR REACTIONS 248Cm(18O, 3nα), E=95, 80-110 MeV; measured σ(E), production σ for 259No.
doi: 10.1016/0375-9474(73)90520-4
1972SE22 Proc.U.N.-I.A.E.A.Int.Conf.Peaceful Uses At.Energy, 4th, Geneva (1971), United Nations, New York, Intern.At.En.Agency, Vienna, Vol.7, p.487 (1972) G.T.Seaborg, J.L.Crandall, P.R.Fields, A.Ghiorso, O.L.Keller, Jr., R.A.Penneman Recent Advances in the United States of America on the Transuranium Elements
1971ES01 Phys.Rev. C4, 632 (1971) K.Eskola, P.Eskola, M.Nurmia, A.Ghiorso Studies of Lawrencium Isotopes with Mass Numbers 255 Through 260 RADIOACTIVITY 255,256,257,258,259,260Lr; measured T1/2, Eα, Iα; deduced α-hindrance factors.
doi: 10.1103/PhysRevC.4.632
1971GH01 Phys.Rev. C4, 1850 (1971) A.Ghiorso, M.Nurmia, K.Eskola, P.Eskola Two New Alpha-Particle Emitting Isotopes of Element 105, 261Ha and 262Ha RADIOACTIVITY 261,262Db; measured T1/2, Eα, Iα. NUCLEAR REACTIONS 249Bk(18O, X), E=92-97 MeV; measured (16O)(fragment)-delay; deduced SF-isomer.
doi: 10.1103/PhysRevC.4.1850
1971GH02 Inorg.Nucl.Chem.Lett. 7, 1117 (1971) A.Ghiorso, M.Nurmia, K.Eskola, P.Eskola Comments on 'Chemical Separation of Kurchatovium'
doi: 10.1016/0020-1650(71)80103-4
1971GH03 Nature 229, 603 (1971) A.Ghiorso, M.Nurmia, J.Harris, K.Eskola, P.Eskola Defence of the Berkeley Work on Alpha-Emitting Isotopes of Element 104 NUCLEAR REACTIONS 249Cf(12C, 4n), E=74 MeV; 249Cf(11B, 3n); measured Eα, α(t). 250mFm, 254mNo, 257mLr, 257Rf deduced T1/2.
doi: 10.1038/229603a0
1971HU03 Phys.Rev. Lett. 26, 523 (1971) E.K.Hulet, J.F.Wild, R.W.Lougheed, J.E.Evans, B.J.Qualheim, M.Nurmia, A.Ghiorso Spontaneous-Fission Half-Life of 258Fm and Nuclear Instability RADIOACTIVITY, Fission 258Fm(SF)[from 257Fm(d, p)]; measured T1/2.
doi: 10.1103/PhysRevLett.26.523
1970ES02 Phys.Rev. C2, 1058 (1970) P.Eskola, K.Eskola, M.Nurmia, A.Ghiorso Alpha Decay of 255No and 257No RADIOACTIVITY 255,257No; measured Eα, Iα, T1/2; deduced hindrance factors. NUCLEAR REACTIONS 249Cf(12C, αxn), E=60-110 MeV; 248Cm(12C, X), E=60-85 MeV; measured σ(E).
doi: 10.1103/PhysRevC.2.1058
1970GH01 Phys.Lett. 32B, 95 (1970) A.Ghiorso, M.Nurmia, K.Eskola, P.Eskola 261Rf; New Isotope of Element 104 RADIOACTIVITY 261Rf; measured Eα, T1/2.
doi: 10.1016/0370-2693(70)90595-2
1970GH02 Phys.Rev.Lett. 24, 1498 (1970) A.Ghiorso, M.Nurmia, K.Eskola, J.Harris, P.Eskola New Element Hahnium, Atomic Number 105 RADIOACTIVITY 260Db[from 249Cf(15N, X)]; measured T1/2, Eα, Iα; deduced SF-branching. NUCLEAR REACTIONS 249Cf(15N, X), E=75-110 MeV; measured σ(E).
doi: 10.1103/PhysRevLett.24.1498
1970HU17 UCRL-72858 (1970) E.K.Hulet, J.F.Wild, R.W.Lougheed, J.E.Evans, B.J.Qualheim, M.Nurmia, A.Ghiorso Spontaneous-Fission Half-Life of 258Fm and Nuclear Instability
1970SI07 Phys.Rev. C1, 1564 (1970) T.Sikkeland, R.J.Silva, A.Ghiorso, M.J.Nurmia Study of Dy(40Ar, xn)Po Reactions NUCLEAR REACTIONS Dy(40Ar, xn), E=160-280 MeV; measured σ(E) for 194,195,197,198,199,200Po production. 195,197,199Po deduced isomer ratios.
doi: 10.1103/PhysRevC.1.1564
1969GH01 Phys.Rev.Letters 22, 1317 (1969) A.Ghiorso, M.Nurmia, J.Harris, K.Eskola, P.Eskola Positive Identification of Two Alpha-Particle-Emitting Isotopes of Element 104 RADIOACTIVITY 257Rf, 258Rf, 259Rf; measured T1/2, Eα, Iα.
doi: 10.1103/PhysRevLett.22.1317
1968HU06 Bull.Am.Phys.Soc. 13, No.4, 604, DF7 (1968); Oral Report E.K.Hulet, A.Ghiorso, R.W.Lougheed, J.E.Evans, J.D.Brady, R.W.Hoff, R.E.Stone, B.J.Qualheim Discovery of 258Md NUCLEAR STRUCTURE 258Md; measured not abstracted; deduced nuclear properties.
1968NU02 UCRL-17989, p.149 (1968) M.Nurmia, T.Sikkeland, R.Silva, A.Ghiorso Spontaneous Fission of Light Fermium Isotopes; New Nuclides 244Fm and 245Fm
1967GH01 Phys.Rev.Letters 18, 401 (1967) A.Ghiorso, T.Sikkeland, M.J.Nurmia Isotopes of Element 102 with Mass 251 to 258 NUCLEAR STRUCTURE 252No, 251No, 255No, 253No, 254No, 256No, 257No; measured not abstracted; deduced nuclear properties.
doi: 10.1103/PhysRevLett.18.401
1967NU01 Phys.Letters 26B, 78 (1967) M.Nurmia, T.Sikkeland, R.Silva, A.Ghiorso Spontaneous Fission of Light Fermium Isotopes; New Nuclides 244Fm and 245Fm
doi: 10.1016/0370-2693(67)90552-7
1967SI07 Phys.Letters 24B, 331 (1967) New Californium Isotope, 242Cf NUCLEAR STRUCTURE 242Cf; measured not abstracted; deduced nuclear properties.
doi: 10.1016/0370-2693(67)90235-3
1967SI08 Phys.Lett. 24B, 333 (1967) T.Sikkeland, A.Ghiorso, J.Maly, M.J.Nurmia Decay Properties of the New Isotope 243Cf and of 244Cf NUCLEAR STRUCTURE 243Cf, 244Cf; measured not abstracted; deduced nuclear properties.
doi: 10.1016/0370-2693(67)90236-5
1966HO01 Phys.Rev. 148, 1192 (1966); See keynumber 1966RG01 R.W.Hoff, C.P.Bailey, G.W.Barton, G.H.Coleman, M.S.Coops, J.E.Evans, B.A.Hannon, W.N.Hayes, R.A.Heckman, E.K.Hulet, R.W.Lougheed, R.J.Morrow, R.S.Newbury, B.J.Qualheim, R.Quong, E.H.Stearns, H.D.Wilson, J.P.Balagna, J.W.Barnes, G.A.Cowan, W.R.Daniels, B.J.Dropesky, G.P.Ford, J.S.Gilmore, S.B.Helmick, D.C.Hoffman, J.D.Knight, G.W.Knobeloch, C.J.Orth, T.T.Shull, H.L.Smith, W.G.Warren, K.Wolfsberg, F.Asaro, J.Burnett, B.B.Cunningham, S.M.Fried, J.T.Haley, A.Ghiorso, J.Green, R.Latimer, F.T.McCarthy, H.V.Michel, M.C.Michel, D.F.Mosier, T.C.Parsons, I.Perlman, J.E.Rees, J.C.Wallmann, R.F.Barnes, L.J.Basile, H.Diamond, P.R.Fields, A.M.Friedman, E.P.Horowitz, J.K.Lerner, D.N.Metta, J.Milsted, R.K.Sjoblom, C.M.Stevens Nuclear Decay Properties of Heavy Nuclides Produced in Thermonuclear Explosions - Par and Barbel Events RADIOACTIVITY 251,252,253,254Cf, 255Es, 257,258Fm(α), 250Cm(SF), 251Bk, 252Cm(β-) [from U(n, F), U(n, X), E ∼ 2 MeV]; measured decay products, Eα, Iα; deduced α-particles energies, α-decay branchings, T1/2. Two low-yield thermonuclear explosions, the Par and Barbel events, chemical separation of products. NUCLEAR REACTIONS Cm(n, X)249Cf/250Cf/252Cf/252Cf/253Cf/254Cf/253Es/254Es/255Es, E thermal; measured reaction products, Eα, Iα, Eβ, Iβ; deduced isotopic abundances. Cm irradions, reactor.
doi: 10.1103/PhysRev.148.1192
1965SI14 Phys.Rev. 140, B277 (1965) T.Sikkeland, A.Ghiorso, R.Latimer, A.E.Larsh Decay Properties of the Nuclides Fermium-256 and -257 and Mendelevium-255, -256, and -257 NUCLEAR STRUCTURE 256Md, 256Fm, 257Md, 257Fm, 255Md; measured not abstracted; deduced nuclear properties.
doi: 10.1103/PhysRev.140.B277
1962PE15 Phys.Rev. 127, 917 (1962) I.Perlman, F.Asaro, A.Ghiorso, A.Larsh, R.Latimer Isomeric State of Po212 NUCLEAR STRUCTURE 212Po; measured not abstracted; deduced nuclear properties.
doi: 10.1103/PhysRev.127.917
1961GH03 Phys.Rev.Letters 6, 473 (1961) A.Ghiorso, T.Sikkeland, A.E.Larsh, R.M.Latimer New Element, Lawrencium, Atomic Number 103 NUCLEAR STRUCTURE 257Lr, 255No; measured not abstracted; deduced nuclear properties.
doi: 10.1103/PhysRevLett.6.473
1960DI03 Phys.Rev. 119, 2000 (1960) H.Diamond, P.R.Fields, C.S.Stevens, M.H.Studier, S.M.Fried, M.G.Inghram, D.C.Hess, G.L.Pyle, J.F.Mech, W.M.Manning, A.Ghiorso, S.G.Thompson, G.H.Higgins, G.T.Seaborg, C.I.Browne, H.L.Smith, and R.W.Spence Heavy Isotope Abundances in Mike Thermonuclear Device NUCLEAR REACTIONS 235,238U(n, γ)239U/240U/241U/242U/243U/244U/245U/246U/247U/248U/249U/250U/251U/252U/253U/254U/255U, E fast; measured reaction products mass spectrometrically and radiometrically; deduced isotopic abundances.
doi: 10.1103/PhysRev.119.2000
1959GH17 UCRL-8714 (1959) Techniques Used for the Production and Identification of the Transplutonium Elements
1958GH39 Phys.Rev.Letters 1, 17 (1958) A.Ghiorso, T.Sikkeland, J.R.Walton, G.T.Seaborg Attempts to Confirm the Existence of the 10-Minute Isotope of 102
doi: 10.1103/PhysRevLett.1.17
1958GH40 Phys.Rev.Letters 1, 18 (1958) A.Ghiorso, T.Sikkeland, J.R.Walton, G.T.Seaborg Element 102
doi: 10.1103/PhysRevLett.1.18
1957AM47 Phys.Rev. 106, 553 (1957) S.Amiel, A.Chetham-Strode, Jr., G.R.Choppin, A.Ghiorso, B.G.Harvey, L.W.Holm, S.G.Thompson Production and Properties of the Nuclides Fermium-250, 251, and 252
doi: 10.1103/PhysRev.106.553
1956FI11 Phys.Rev. 102, 180 (1956) P.R.Fields, M.H.Studier, H.Diamond, J.F.Mech, M.G.Inghram, G.L.Pyle, C.M.Stevens, S.Fried, W.M.Manning, A.Ghiorso, S.G.Thompson, G.H.Higgins, G.T.Seaborg Transplutonium Elements in Thermonuclear Test Debris
doi: 10.1103/PhysRev.102.180
1956HA80 Phys.Rev. 104, 1315 (1956) B.G.Harvey, A.Chetham-Strode, A.Ghiorso, G.R.Choppin, S.G.Thompson New Isotopes of Einsteinium
doi: 10.1103/PhysRev.104.1315
1955CH30 Phys.Rev. 98, 1519 (1955) G.R.Choppin, B.G.Harvey, S.G.Thompson, A.Ghiorso Nuclear Properties of 100256
doi: 10.1103/PhysRev.98.1519
1955GH01 Phys.Rev. 99, 1048 (1955) A.Ghiorso, S.G.Thompson, G.H.Higgins, G.T.Seaborg, M.H.Studier, P.R.Fields, S.M.Fried, H.Diamond, J.F.Mech, G.L.Pyle, J.R.Huizenga, A.Hirsch, W.M.Manning, C.I.Browne, H.L.Smith, R.W.Spence New Elements Einsteinium and Fermium, Atomic Numbers 99 and 100 RADIOACTIVITY 253Cf, 255Es(β-); measured decay products, Eα, Iα; deduced T1/2, element names.
doi: 10..1103/PhysRev.99.1048
1955GH02 Phys.Rev. 98, 1518 (1955) A.Ghiorso, B.G.Harvey, G.R.Choppin, S.G.Thompson, G.T.Seaborg New Element Mendelevium, Atomic Number 101 NUCLEAR REACTIONS 253Es(He, X)256Md, E=48 MeV; measured reaction products, Eα, Iα; deduced a new Z=101 element in recognition of the pioneering role of the great Russian chemist, Dmitri Mendeleev, who was the first to use the periodic system of the elements to predict the chemical properties of undiscovered elements, a principle which has been the key to the discovery of the last seven transuranium (actinide) elements. RADIOACTIVITY 256Md(α); measured decay products, Eα, Iα; deduced T1/2.
doi: 10.2172/914464
1955HA35 Phys.Rev. 99, 337 (1955) B.G.Harvey, S.G.Thompson, G.R.Choppin, A.Ghiorso Nuclide 99254
doi: 10.1103/PhysRev.99.337
1954CH23 Phys.Rev. 94, 1080 (1954) G.R.Choppin, S.G.Thompson, A.Ghiorso, B.G.Harvey Nuclear Properties of Some Isotopes of Californium, Elements 99 and 100
doi: 10.1103/PhysRev.94.1080
1954GH12 Phys.Rev. 93, 257 (1954) A.Ghiorso, G.B.Rossi, B.G.Harvey, S.G.Thompson Reactions of U238 with Cyclotron-Produced Nitrogen Ions
doi: 10.1103/PhysRev.93.257
1954GH24 Phys.Rev. 94 1081 (1954) A.Ghiorso, S.G.Thompson, G.R.Choppin, B.G.Harvey New Isotopes of Americium, Berkelium and Californium
doi: 10.1103/PhysRev.94.1081
1954GH25 Phys.Rev. 95, 293 (1954) A.Ghiorso, S.G.Thompson, G.H.Higgins, B.G.Harvey, G.T.Seaborg Evidence for Subshell at N = 152 RADIOACTIVITY 244,246,248,249,250,252Cf, Pu, Am, Cm, Bk, Es, Fm(α); analyzed available data; deduced α-particle energy vs. mass number systematics, N=152 subshell.
doi: 10.1103/PhysRev.95.293
1954HA69 Phys.Rev. 95, 581 (1954) B.G.Harvey, H.P.Robinson, S.G.Thompson, A.Ghiorso, G.R.Choppin Some pile neutron cross sections of isotopes of americium, berkelium, californium, and element 99 NUCLEAR REACTIONS 243Am(n, γ), 249Bk, 249Cf(n, X), 249Cf(n, f), 249Cf(n, γ), 252Cf(n, γ), 254Cf(n, γ), 253Es(n, γ), 254Es(n, γ), E=0.0253 eV; measured products, 244Am, Eγ, Iγ; deduced σ, σ(E). Data were imported from EXFOR entry 12567.
doi: 10.1103/PhysRev.95.581
1954HA73 Phys.Rev. 93, 1129 (1954) B.G.Harvey, S.G.Thompson, A.Ghiorso, G.R.Choppin Further Production of Transcurium Nuclides by Neutron Irradiation RADIOACTIVITY 254Es, 253Cf(β-) [from 252Cf, 254Es(n, γ), E thermal]; measured decay products. 254Fm; deduced element 100. The Materials Testing Reactor (MTR).
doi: 10.1103/PhysRev.93.1129
1954HU50 Phys.Rev. 95, 1703 (1954) E.K.Hulet, S.G.Thompson, A.Ghiorso Isotopes of Curium, Berkelium, and Californium
doi: 10.1103/PhysRev.95.1703
1954HU58 Phys.Rev. 95, 1703 (1954) E.K.Hulet, S.G.Thompson, A.Ghiorso Isotopes of Curium, Berkelium, and Californium
doi: 10.1103/PhysRev.95.1703
1954TH01 Phys.Rev. 93, 908 (1954) S.G.Thompson, A.Ghiorso, B.G.Harvey, G.R.Choppin Transcurium Isotopes Produced in the Neutron Irradiation of Plutonium
doi: 10.1103/PhysRev.93.908
1953EL13 Phys.Rev. 89, 320 (1953) R.Elson, W.Bentley, A.Ghiorso, Q.Van Winkle The Thermal Neutron Fission And Capture Cross Sections Of U232 NUCLEAR REACTIONS 232U(n, f), 232U(n, γ), E=0.0253 eV; measured products, 233U, Eγ, Iγ; deduced σ, σ(E). Data were imported from EXFOR entry 12387.
doi: 10.1103/PhysRev.89.320
1953FR17 Phys.Rev. 91, 498A (1953) G.Friedlander, E.Wilson, A.Ghiorso, I.Perlman Genetic Relationships of the 0.8-Second Pb207m Isomer
doi: 10.1103/PhysRev.91.498A
1953HU85 Phys.Rev. 89, 878 (1953) E.K.Hulet, S.G.Thompson, A.Ghiorso Spontaneous Fission Rate of Cf246
doi: 10.1103/PhysRev.89.878
1953HY83 Phys.Rev. 90, 267 (1953) The Alpha-Branching of AcK and the Presence of Astatine in Nature
doi: 10.1103/PhysRev.90.267
1953RA02 Phys.Rev. 89, 33 (1953) J.O.Rasmussen, Jr., S.G.Thompson, A.Ghiorso Alpha-Radioactivity in the 82-Neutron Region
doi: 10.1103/PhysRev.89.33
1952FL20 Phys.Rev. 88, 642 (1952) E.H.Fleming, Jr., A.Ghiorso, B.B.Cunningham The Specific Alpha Activity and Half-Lives of U234, U235, and U236
doi: 10.1103/PhysRev.88.642
1952GH27 Phys.Rev. 87, 163 (1952) A.Ghiorso, G.H.Higgins, A.E.Larsh, G.T.Seaborg, S.G.Thompson Spontaneous Fission of U234, Pu236, Cm240, and Cm244
doi: 10.1103/PhysRev.87.163
1952JA01 Phys.Rev. 85, 369 (1952) L Electron Capture and Alpha Decay in Np235
doi: 10.1103/PhysRev.85.369
1952ME13 Phys.Rev. 85, 429 (1952) W.W.Meinke, A.Ghiorso, G.T.Seaborg Further Work on Heavy Collateral Radioactive Chains
doi: 10.1103/PhysRev.85.429
1952MO23 Phys.Rev. 86, 805 (1952) F.F.Momyer, E.K.Hyde, A.Ghiorso, W.E.Glenn Recent Studies of the Isotopes of Emanation, Francium, and Radium
doi: 10.1103/PhysRev.86.805
1952ST70 Phys.Rev. 85, 135 (1952) K.Street Jr, A.Ghiorso, S.G.Thompson Slow Neutron Fission of Am242, Am242m, and Am243 NUCLEAR REACTIONS 241Am(n, γ), 242Am(n, f), 242Am(n, X), 242Am(n, γ), 243Am(n, f), E=0.0253 eV; measured products, 242Am, Eγ, Iγ; deduced σ, σ(E). Data were imported from EXFOR entry 12583.
doi: 10.1103/PhysRev.85.135.2
1951BA14 Phys.Rev. 82, 13 (1951) G.W.Barton, Jr., A.Ghiorso, I.Perlman Radioactivity of Astatine Isotopes
doi: 10.1103/PhysRev.82.13
1951GH21 Phys.Rev. 82, 558 (1951) A.Ghiorso, J.W.Brittain, W.M.Manning, G.T.Seaborg The Uranium Isotope U236
doi: 10.1103/PhysRev.82.558
1951GH22 Phys.Rev. 82, 979 (1951) Complex Alpha-Spectrum of U235
doi: 10.1103/PhysRev.82.979
1951GH23 Phys.Rev. 81, 154 (1951) A.Ghiorso, S.G.Thompson, K.Street, Jr., G.T.Seaborg Californium Isotopes from Bombardment of Uranium with Carbon Ions NUCLEAR REACTIONS 238U(12C, 6n)244Cf, 238U(12C, 4n)246Cf, E not given; measured reaction products, Eα, Iα; deduced α-particles energies, T1/2, evidence for element Z=98 isotopes. Comparison with theoretical calculations.
doi: 10.1103/PhysRev.81.154
1951HU39 Phys.Rev. 84, 366 (1951) E.K.Hulet, S.G.Thompson, A.Ghiorso, K.Street, Jr. New Isotopes of Berkelium and Californium RADIOACTIVITY 243,245Bk(EC), (α), 243,245Cm, 246Cf(α) [from 242,243,244Cm(d, X), E=16 MeV; 242,243,244Cm(3He, X), E=35 MeV]; measured decay products, Eβ, Iβ, Eα, Iα; deduced new isotopes T1/2. Comparison with available data. The pile facilities of the Atomic Energy Project, National Research Council of Canada, Chalk River, Ontario, Canada. The 60-inch cyclotron of the Crocker Laboratory.
doi: 10.1103/PhysRev.84.366.2
1951KA37 Phys.Rev. 83, 390 (1951) D.G.Karraker, A.Ghiorso, D.H.Templeton Alpha-Decay Energies of Polonium Isotopes RADIOACTIVITY 200,201Po(α), (EC), 206,207,208,209Po(α), 226Ra(α) [from 209Bi(p, X), E=100 MeV]; measured decay products, Eα, Iα; deduced α-particles energies, T1/2. Comparison with available data. Berkeley 184-inch and 60-inch cyclotrons.
doi: 10.1103/PhysRev.83.390
1951ME10 Phys.Rev. 81, 782 (1951) W.W.Meinke, A.Ghiorso, G.T.Seaborg Artificial Chains Collateral to the Heavy Radioactive Families
doi: 10.1103/PhysRev.81.782
1951TH20 Phys.Rev. 84, 165 (1951) S.G.Thompson, K.Street, Jr., A.Ghiorso, F.L.Reynolds Properties of the Isotope Pu243
doi: 10.1103/PhysRev.84.165
1950GH63 Phys.Rev. 78, 472 (1950) A.Ghiorso, R.A.James, L.O.Morgan, G.T.Seaborg Preparation of Transplutonium Isotopes by Neutron Irradiation RADIOACTIVITY 241Pu(β-) [from 238U(α, n), E=40 MeV; 239,240Pu(n, γ), E thermal]; measured decay products; deduced americium production routes.
doi: 10.1103/PhysRev.78.472
1950HA52 Phys.Rev. 79, 435 (1950) F.Hagemann, L.I.Katzin, M.H.Studier, G.T.Seaborg, A.Ghiorso The 4n + 1 Radioactive Series: The Decay Products of U233
doi: 10.1103/PhysRev.79.435
1950HY20 UCRL-593 (1950) Preparation of a New Isotope of Fr222
1950HY27 Phys.Rev. 77, 765 (1950) E.K.Hyde, A.Ghiorso, G.T.Seaborg Low Mass Francium and Emanation Isotopes of High Alpha-Stability
doi: 10.1103/PhysRev.77.765
1950LE15 Phys.Rev. 77, 296 (1950) C.A.Levine, A.Ghiorso, G.T.Seaborg Half-Life for Double Beta-Decay RADIOACTIVITY 238U(2β-); measured decay products, Eα, Iα; deduced T1/2 limit. Radiochemical methods.
doi: 10.1103/PhysRev.77.296
1950PE99 Phys.Rev. 77, 26 (1950) I.Perlman, A.Ghiorso, G.T.Seaborg Systematics of Alpha-Radioactivity
doi: 10.1103/PhysRev.77.26
1950RA56 Phys.Rev. 80, 475 (1950) J.O.Rasmussen, F.L.Reynolds, S.G.Thompson, A.Ghiorso Mass Assignments of Alpha-Active Isotopes in the Rare Earth Region
doi: 10.1103/PhysRev.80.475
1950ST61 Phys.Rev. 79, 530 (1950) K.Street, Jr., A.Ghiorso, G.T.Seaborg The Isotopes of Americium
doi: 10.1103/PhysRev.79.530
1950TH52 Phys.Rev. 80, 781 (1950) S.G.Thompson, A.Ghiorso, G.T.Seaborg The New Element Berkelium (Atomic Number 97)
doi: 10.1103/PhysRev.80.781
1950TH54 Phys.Rev. 80, 1108 (1950) S.G.Thompson, K.Street, Jr., A.Ghiorso, F.L.Reynolds The New Isotope Pu242 and Additional Information on Other Plutonium Isotopes
doi: 10.1103/PhysRev.80.1108
1950TH55 Phys.Rev. 77, 838 (1950) S.G.Thompson, A.Ghiorso, G.T.Seaborg Element 97 NUCLEAR REACTIONS 241Am(α, X)243Bk/244Bk, E not given; measured reaction products, Eα, Iα; deduced α-particles energies, evidence for element Z=97.
doi: 10.1103/PhysRev.77.838.2
1950TH56 Phys.Rev. 78, 298 (1950) S.G.Thompson, K.Street, Jr., A.Ghiorso, G.T.Seaborg Element 98 NUCLEAR REACTIONS 242Cm(α, X)244Cf, E=35 MeV; measured reaction products, Eα, Iα; deduced α-particles energies, evidence for element Z=98.
doi: 10.1103/PhysRev.78.298.2
1950TH57 Phys.Rev. 80, 790 (1950) S.G.Thompson, K.Street, Jr., A.Ghiorso, G.T.Seaborg The New Element Californium (Atomic Number 98) NUCLEAR REACTIONS 242Cm(α, X)244Cf, E=35 MeV; measured reaction products, Eα, Iα; deduced α-particles energies, T1/2, evidence for element Z=98.
doi: 10.1103/PhysRev.80.790
1949GH16 Phys.Rev. 76, 1414 (1949) A.Ghiorso, W.W.Meinke, G.T.Seaborg New Low Mass Isotopes of Emanation (Element 86)
doi: 10.1103/PhysRev.76.1414
1949HY01 The Transuranium Elements: Research Papers, Book 2, Vol.14B, paper 19.17, G.T.Seaborg ed., p.1439 (1949) E.K.Hyde, M.H.Studier, H.H.Hopkins, Jr., A.Ghiorso A New Isotope of Protactinium: Pa229
1949HY04 The Transuranium Elements: Research Papers, Book 2, Vol.14B, paper 22.15, G.T.Seaborg ed., p.1622 (1949) E.K.Hyde, M.H.Studier, A.Ghiorso Products of the Deuteron and Helium-Ion Bombardments of U233
1949JA01 The Transuranium Elements: Research Papers, Book 2, Vol.14B, paper 22.8, G.T.Seaborg ed., p.1604 (1949) R.A.James, A.E.Florin, H.H.Hopkins, Jr., A.Ghiorso Products of Helium-Ion and Deuteron Bombardment of U235 and U238
1949ME54 Phys.Rev. 75, 314 (1949) W.W.Meinke, A.Ghiorso, G.T.Seaborg Three Additional Collateral Alpha-Decay Chains RADIOACTIVITY 229U, 225Th, 221Ra, 217Rn, 213Po(α), 209Pb(β-), 228U, 224Th, 220Ra, 216Rn, 212Po(α), 226Pa, 222Ac, 218Fr, 214At(α), 210Bi(β-), 210Po(α), 228Pa, 224Ac, 220Fr, 216At, 212Bi(α), 212Bi, 208Tl(β-), 212Po(α), 227Pa, 223Ac, 219Fr, 215At, 211Bi(α), 211Bi, 207Tl(β-); measured decay products, Eα, Iα; deduced Q-values, T1/2.
doi: 10.1103/PhysRev.75.314
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