NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = M.Nurmia Found 77 matches. 1996KA66 Radiochim.Acta 72, 169 (1996) B.Kadkhodayan, A.Turler, K.E.Gregorich, P.A.Baisden, K.R.Czerwinski, B.Eichler, H.W.Gaggeler, T.M.Hamilton, D.T.Jost, C.D.Kacher, A.Kovacs, S.A.Kreek, M.R.Lane, M.F.Mohar, M.P.Neu, N.J.Stoyer, E.R.Sylwester, D.M.Lee, M.J.Nurmia, G.T.Seaborg, D.C.Hoffman On-line Gas Chromatographic Studies of Chlorides of Rutherfordium and Homologs Zr and Hf RADIOACTIVITY 98Zr(β-);162Hf(EC); measured Eγ, Iγ, half-lives. 261Rf(α); measured Eα, Iα, half-life.
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
1995LE15 Acta Phys.Pol. B26, 309 (1995) M.Leino, J.Aysto, T.Enqvist, A.Jokinen, M.Nurmia, A.Ostrowski, W.H.Trzaska, J.Uusitalo, K.Eskola Research on Heavy Elements Using the JYFL Gas-Filled Recoil Separator RITU NUCLEAR REACTIONS 141Pr(56Fe, X), E=256 MeV; 175Lu(28Si, X), 165Ho(40Ar, X), E not given; 170,171Yb(40Ar, X), E=189-223 MeV; 175Lu(35Cl, X), E=172-194 MeV; 181Ta(35Cl, X), E=186, 193 MeV; measured Eα, Iα; deduced evidence for 193,194,196,195At, 207m,206,205,205m,204Ra, 211,210Th. RADIOACTIVITY 195,194,193At(α) [from 148Pr(56Fe, X), E=256 MeV]; 207m,206,205,205m,204Ra(α) [from 170,171Yb(40Ar, X), E=187-223 MeV]; 211,210Th(α) [from 181Ta(35Cl, X), E=186, 193 MeV]; measured Eα, T1/2. 226Np(α) [from 209Bi(Ne, X)]; measured αα(θ) for parent, daughter decays; deduced T1/2.
1995LE41 Nucl.Instrum.Methods Phys.Res. B99, 653 (1995) M.Leino, J.Aysto, T.Enqvist, P.Heikkinen, A.Jokinen, M.Nurmia, A.Ostrowski, W.H.Trzaska, J.Uusitalo, K.Eskola, P.Armbruster, V.Ninov Gas-Filled Recoil Separator for Studies of Heavy Elements NUCLEAR REACTIONS 181Ta(35Cl, X), E=186, 193 MeV; measured Eα, Iα; deduced evidence for 210,211Th. Evaporation residue αα-decay chain. RADIOACTIVITY 210Th(α) [from 181Ta(35Cl, X), E=193 MeV]; 206Ra(α) [from 210Th(α-decay)]; measured Eα, Iα. 210Th deduced Eα, T1/2.
doi: 10.1016/0168-583X(94)00573-7
1994CZ04 Radiochim.Acta 64, 23 (1994) K.R.Czerwinski, K.E.Gregorich, N.J.Hannink, C.D.Kacher, B.A.Kadkhodayan, S.A.Kreek, D.M.Lee, M.J.Nurmia, A.Turler, G.T.Seaborg, D.C.Hoffman Solution Chemistry of Element 104: Part I. Liquid-liquid extractions with triisooctylamine
1994CZ05 Radiochim.Acta 64, 29 (1994) K.R.Czerwinski, C.D.Kacher, K.E.Gregorich, T.M.Hamilton, N.J.Hannink, B.A.Kadkhodayan, S.A.Kreek, D.M.Lee, M.J.Nurmia, A.Turler, G.T.Seaborg, D.C.Hoffman Solution Chemistry of Element 104: Part II. Liquid-liquid extractions with tributylphosphate
1994KR03 Phys.Rev. C49, 1859 (1994) S.A.Kreek, H.L.Hall, K.E.Gregorich, R.A.Henderson, J.D.Leyba, K.R.Czerwinski, B.Kadkhodayan, M.P.Neu, C.D.Kacher, T.M.Hamilton, M.R.Lane, E.R.Sylwester, A.Turler, D.M.Lee, M.J.Nurmia, D.C.Hoffman Electron-Capture Delayed Fission Properties of the New Isotope 238Bk NUCLEAR REACTIONS 241Am(α, 7n), E=75 MeV; measured residue production σ. 238Bk deduced EC-delayed fission probability, T1/2. Isotope obtained by chemical separation, identification from daughter activity measurements. RADIOACTIVITY 238Bk(EC) [from 241Am(α, 7n), E=75 MeV]; measured EC-delayed fission (fragment)(X-ray)-coin, T1/2; deduced delayed fission probability.
doi: 10.1103/PhysRevC.49.1859
1994KR13 Phys.Rev. C50, 2288 (1994) S.A.Kreek, H.L.Hall, K.E.Gregorich, R.A.Henderson, J.D.Leyba, K.R.Czerwinski, B.Kadkhodayan, M.P.Neu, C.D.Kacher, T.M.Hamilton, M.R.Lane, E.R.Sylwester, A.Turler, D.M.Lee, M.J.Nurmia, D.C.Hoffman Electron-Capture Delayed Fission Properties of 228Np RADIOACTIVITY 228Np(EC), (α) [from 233U(p, 6n), E=50 MeV]; measured fission (fragment)(X-ray)-coin; deduced EC-delayed fission T1/2, fission probability, fragment mass yield distribution, EC/α-decay ratio. NUCLEAR REACTIONS, ICPND 233U(p, 6n), E=50 MeV; measured (particle)(X-ray)-coin; deduced residual production σ.
doi: 10.1103/PhysRevC.50.2288
1993ZI06 Radiochim.Acta 60, 11 (1993) H.P.Zimmermann, M.K.Gober, J.V.Kratz, M.Schadel, W.Bruchle, E.Schimpf, K.E.Gregorich, A.Turler, K.R.Czerwinski, N.J.Hannink, B.Kadkhodayan, D.M.Lee, M.J.Nurmia, D.C.Hoffman, H.Gaggeler, D.Jost, J.Kovacz, U.W.Scherer, A.Weber Chemical Properties of Element 105 in Aqueous Solution: Back extraction from triisooctyl amine into 0.5 M HCl NUCLEAR REACTIONS 249Bk(18O, 5n), (18O, 4n), E=99 MeV; measured Eα, Iα, SF-decay activities of residuals; deduced non-tantulum like behavior of element 105. RADIOACTIVITY 262,263Db(α), (SF) [from 249Bk(18O, 5n), (18O, 4n), E=99 MeV]; 258,259Lr(α) [from 262,263Db α-decay]; measured Eα, Iα, αα(t); deduced non-tantulum like behavior of element 105.
1992GA31 Radiochim.Acta 57, 93 (1992) H.W.Gaggeler, D.T.Jost, J.Kovacs, U.W.Scherer, A.Weber, D.Vermeulen, A.Turler, K.E.Gregorich, R.A.Henderson, K.R.Czerwinski, B.Kadkhodayan, D.M.Lee, M.Nurmia, D.C.Hoffman, J.V.Kratz, M.K.Gober, H.P.Zimmermann, M.Schadel, W.Bruchle, E.Schimpf, I.Zvara Gas Phase Chromatography Experiments with Bromides for Tantalum and Element 105 RADIOACTIVITY 262,263Db(SF) [from 249Bk(18O, X), E=114 MeV]; measured decay products, Eα, Iα; deduced T1/2, σ.
1992GO28 Radiochim.Acta 57, 77 (1992) M.K.Gober, J.V.Kratz, H.P.Zimmermann, M.Schadel, W.Bruchle, E.Schimpf, K.E.Gregorich, A.Turler, N.J.Hannink, K.R.Czerwinski, B.Kadkhodayan, D.M.Lee, M.J.Nurmia, D.C.Hoffman, H.Gaggeler, D.Jost, J.Kovacz, U.W.Scherer, A.Weber Chemical Properties of Element 105 in Aqueous Solution: Extractions into dissobutylcarbinol NUCLEAR REACTIONS 249Bk(18O, 4n), (18O, 5n), E=99 MeV; measured Eα, Iα, residuals fission activities; deduced 262Db, 263Db element chemical properties.
1992GR02 Phys.Rev. C45, 1058 (1992) K.E.Gregorich, H.L.Hall, R.A.Henderson, J.D.Leyba, K.R.Czerwinski, S.A.Kreek, B.A.Kadkhodayan, M.J.Nurmia, D.M.Lee, D.C.Hoffman Fission Branch in 259Lr and Confirmation of 258Lr and 259Lr Mass Assignments RADIOACTIVITY 259,258Lr [from 248Cm(15N, 4n), (15N, 5n), E=93 MeV]; 255,254Fm(α) [from 255,254Md decay following 259,258Lr(α-decay)]; measured α-spectra, αα-correlations. 258Lr deduced T1/2, mass assignment. 259Lr deduced T1/2, SF-decay branch, mass assignment.
doi: 10.1103/PhysRevC.45.1058
1992HA22 Phys.Rev. C46, 1873 (1992) T.M.Hamilton, K.E.Gregorich, D.M.Lee, K.R.Czerwinski, N.J.Hannink, C.D.Kacher, B.Kadkhodayan, S.A.Kreek, M.J.Nurmia, M.R.Lane, M.P.Neu, A.Turler, D.C.Hoffman Spontaneous Fission Properties of 259Lr103 NUCLEAR REACTIONS 248Cm(15N, 4n), E=81 MeV; measured Eα, Iα. RADIOACTIVITY 259Lr(α), (SF) [from 248Cm(15N, 4n), E=81 MeV]; measured Eα, Iα, T1/2, fission fragment mass, kinetic energy distribution, SF- to α-decay ratio.
doi: 10.1103/PhysRevC.46.1873
1992KA08 Radiochim.Acta 56, 1 (1992) B.Kadkhodayan, R.A.Henderson, H.L.Hall, J.D.Leyba, K.R.Czerwinski, S.A.Kreek, N.J.Hannink, K.E.Gregorich, D.M.Lee, M.J.Nurmia, D.C.Hoffman Identification of 253Md NUCLEAR REACTIONS 243Am(13C, 3n), E=66-74 MeV; measured α-spectra, production σ; deduced evidence for 253Md. RADIOACTIVITY 253Md(α) [from 243Am(13C, 3n), E=66-74 MeV]; measured α-spectra, 252,253Fm growth curves, T1/2.
doi: 10.1524/ract.1992.56.1.1
1992KA57 Nucl.Instrum.Methods Phys.Res. A317, 254 (1992) B.Kadkhodayan, A.Turler, K.E.Gregorich, M.J.Nurmia, D.M.Lee, D.C.Hoffman The heavy element volatility instrument (HEVI)
doi: 10.1016/0168-9002(92)90616-C
1992KR01 Phys.Rev. C45, 1064 (1992) J.V.Kratz, M.K.Gober, H.P.Zimmermann, M.Schadel, W.Bruchle, E.Schimpf, K.E.Gregorich, A.Turler, N.J.Hannink, K.R.Czerwinski, B.Kadkhodayan, D.M.Lee, M.J.Nurmia, D.C.Hoffman, H.Gaggeler, D.Jost, J.Kovacz, U.W.Scherer, A.Weber New Nuclide 263Ha RADIOACTIVITY 263Db(α), (SF) [from 249Bk(18O, 4n), E=93 MeV]; measured T1/2, Eα, Iα, (α)(SF-decay fragment)-, (α, α)-correlations; deduced α/SF branching ratios. Rapid chemical separation. NUCLEAR REACTIONS 249Bk(18O, 4n), E=93 MeV; measured Eα, Iα, αα-correlations; deduced evidence for 263Db.
doi: 10.1103/PhysRevC.45.1064
1992SC30 Radiochim.Acta 57 85 (1992) M.Schadel, W.Bruchle, E.Schimpf, H.P.Zimmermann, M.K.Gober, J.V.Kratz, N.Trautmann, H.Gaggeler, D.Jost, J.Kovacs, U.W.Scherer, A.Weber, K.E.Gregorich, A.Turler, K.R.Czerwinski, N.J.Hannink, B.Kadkhodayan, D.M.Lee, M.J.Nurmia, D.C.Hoffman Chemical Properties of Element 105 in Aqueous Solution: Cation Exchange Separations with α-Hydroxyisobutyric Acid NUCLEAR REACTIONS 249Bk(18O, 5n), (18O, 4n), E=99 MeV; measured reaction products, Eα, Iα. 258,259Lr; deduced T1/2, σ.
1992TU04 Phys.Rev. C46, 1364 (1992) A.Turler, H.R.von Gunten, J.D.Leyba, D.C.Hoffman, D.M.Lee, K.E.Gregorich, D.A.Bennett, R.M.Chasteler, C.M.Gannett, H.L.Hall, R.A.Henderson, M.J.Nurmia Actinide Production from the Interactions of 40Ca and 44Ca with 248Cm and a Comparison with the 48Ca + 248Cm System NUCLEAR REACTIONS 248Cm(40Ca, X), (44Ca, X), E=231-323 MeV; measured production σ(E) for 227Th to 249Cm; deduced isotopic distribution widths.
doi: 10.1103/PhysRevC.46.1364
1991LE19 Phys.Rev. C44, 1850 (1991) J.D.Leyba, R.A.Henderson, H.L.Hall, K.R.Czerwinski, B.A.Kadkhodayan, S.A.Kreek, E.K.Brady, K.E.Gregorich, D.M.Lee, M.J.Nurmia, D.C.Hoffman Excitation Functions for Actinides Produced in the Interactions of 31P with 248Cm NUCLEAR REACTIONS, ICPND 248Cm(31P, X), E=174-239 MeV; measured σ(E) for Bk, Cf, Es, Fm isotopes production. Potential energy surface calculations comparison.
doi: 10.1103/PhysRevC.44.1850
1990HA02 Phys.Rev. C41, 618 (1990) H.L.Hall, K.E.Gregorich, R.A.Henderson, C.M.Gannett, R.B.Chadwick, J.D.Leyba, K.R.Czerwinski, B.Kadkhodayan, S.A.Kreek, D.M.Lee, M.J.Nurmia, D.C.Hoffman, C.E.A.Palmer, P.A.Baisden Electron-Capture-Delayed Fission Properties of 234Am RADIOACTIVITY 234Am(EC) [from 237Np(α, 7n), E=75 MeV]; measured EC-delayed fission T1/2, probability, (X-ray)(fragment)-correlation, (X-ray)γ-coin, Eγ, Iγ, Eα, Iα; deduced α-branching. Rotating wheel system. NUCLEAR REACTIONS 237Np(α, 7n), E=75 MeV; measured X-ray spectra; deduced residual production σ.
doi: 10.1103/PhysRevC.41.618
1990HA28 Phys.Rev. C42, 1480 (1990) H.L.Hall, K.E.Gregorich, R.A.Henderson, C.M.Gannett, R.B.Chadwick, J.D.Leyba, K.R.Czerwinski, B.Kadkhodayan, S.A.Kreek, N.J.Hannink, D.M.Lee, M.J.Nurmia, D.C.Hoffman, C.E.A.Palmer, P.A.Baisden Electron-Capture-Delayed Fission Properties of 232Am RADIOACTIVITY 232Am(EC) [from 237Np(α, 9n), E=99 MeV]; measured EC-delayed fission T1/2, (fragment)(X-ray)-, (fragment)γ-coin; deduced delayed-fission probability. Multiple 237Np targets, rotating wheel system. NUCLEAR REACTIONS, ICPND 237Np(α, 9n), E=99 MeV; measured (particle)(X-ray)-, (particle)(γ)-coin following residue fission; deduced residue production σ.
doi: 10.1103/PhysRevC.42.1480
1990HO03 Phys.Rev. C41, 631 (1990) D.C.Hoffman, D.M.Lee, K.E.Gregorich, M.J.Nurmia, R.B.Chadwick, K.B.Chen, K.R.Czerwinski, C.M.Gannett, H.L.Hall, R.A.Henderson, B.Kadkhodayan, S.A.Kreek, J.D.Leyba Spontaneous Fission Properties of 2.9-s 256No RADIOACTIVITY 256No(α), (SF) [from 248Cm(12C, X), E=71 MeV]; measured T1/2, Eα, Qα, α/SF ratio, (fragment)(fragment) kinetic energies, total kinetic energy distribution; deduced fragment mass distributions. NUCLEAR REACTIONS, ICPND 248Cm(12C, 4n), E=71 MeV; measured Eα, Iα; deduced residual production σ.
doi: 10.1103/PhysRevC.41.631
1990LE09 Phys.Rev. C41, 2092 (1990) J.D.Leyba, R.A.Henderson, H.L.Hall, C.M.Gannett, R.B.Chadwick, K.R.Czerwinski, B.A.Kadkhodayan, S.A.Kreek, G.R.Haynes, K.E.Gregorich, D.M.Lee, M.J.Nurmia, D.C.Hoffman Heavy Actinide Production from the Interactions of 40Ar with 248Cm and a Comparison with the 44Ca-248Cm System NUCLEAR REACTIONS, ICPND 248Cm(40Ar, X), E=207, 225, 245, 266, 286 MeV; measured σ(E) for production of Bk, Cf, Es, Fm Isotopes. Radiochemical separations.
doi: 10.1103/PhysRevC.41.2092
1989HA27 Nucl.Phys. A500, 90 (1989) Y.Hatsukawa, T.Ohtsuki, K.Sueki, H.Nakahara, I.Kohno, M.Magara, N.Shinohara, H.L.Hall, R.A.Henderson, C.M.Gannett, J.A.Leyba, R.B.Chadwick, K.E.Gregorich, D.Lee, M.J.Nurmia, D.C.Hoffman Alpha Decay Properties of Light Einsteinium Isotopes RADIOACTIVITY 249,248,247,246,245,243Es(α) [from 249Cf(p, xn), 238U(14N, xn), 237Np(12C, xn), 233U(14N, xn)]; measured T1/2, Eα, Iα. 245,243,241,239Bk deduced levels, J, π, moment of inertia. Calculated α transition probability.
doi: 10.1016/0375-9474(89)90131-0
1989HA37 Phys.Rev.Lett. 63, 2548 (1989) H.L.Hall, K.E.Gregorich, R.A.Henderson, C.M.Gannett, R.B.Chadwick, J.D.Leyba, K.R.Czerwinski, B.Kadkhodayan, S.A.Kreek, D.M.Lee, M.J.Nurmia, D.C.Hoffmann Direct Proof of Electron-Capture-Delayed-Fission Process RADIOACTIVITY 234Am(EC), (β+) [from 237Np(α, X), E=70-73 MeV]; measured delayed fission (K X-ray)-, fission (fragment)(γ)-coin; deduced T1/2, evidence for (EC)-delayed fission process. 234Pu levels deduced I(K X-ray).
doi: 10.1103/PhysRevLett.63.2548
1989KR17 Radiochim.Acta 48, 121 (1989) J.V.Kratz, H.P.Zimmermann, U.W.Scherer, M.Schadel, W.Bruchle, K.E.Gregorich, C.M.Gannett, H.L.Hall, R.A.Henderson, D.M.Lee, J.D.Leyba, M.J.Nurmia, D.C.Hoffman, H.Gaggeler, D.Jost, U.Baltensperger, N.-Q.Ya, A.Turler, Ch.Lienert Chemical Properties of Element 105 in Aqueous Solution: Halide complex formation and anion exchange into triisoctyl amine NUCLEAR REACTIONS 249Bk(18O, 5n), E=114 MeV; measured Eα, Iα; deduced residual nucleus production.
1988BR41 Inorganica chimica acta 146, 267 (1988) W.Bruchle, M.Schadel, U.W.Scherer, J.V.Kratz, K.E.Gregorich, D.Lee, M.Nurmia, R.M.Chasteler, H.L.Hall, R.A.Henderson, D.C.Hoffman The Hydration Enthalpies of Md3+ and Lr3+ NUCLEAR REACTIONS 249Bk(18O, X)260Lr, E=117 MeV; measured reaction products, Eα, Iα; deduced yields, extraction procedures.
doi: 10.1016/s0020-1693(00)80619-2
1988GR30 Radiochim.Acta 43, 223 (1988) K.E.Gregorich, R.A.Henderson, D.M.Lee, M.J.Nurmia, R.M.Chasteler, H.L.Hall, D.A.Bennett, C.M.Gannett, R.B.Chadwick, J.D.Leyba, D.C.Hoffman, G.Herrmann Aqueous Chemistry of Element 105 NUCLEAR REACTIONS 249Bk(18O, 5n), E=117 MeV; measured α-spectra following residual decay; deduced 262Db fission branch, fission, α-activity production σ. RADIOACTIVITY 262Db(α), (SF) [from 249Bk(18O, 5n), E=117 MeV]; 258Lr [from 262Db decay]; measured Eα, Iα, αα(t). 262Db deduced fission branch.
1988HO19 J.Radioanal.Nucl.Chem. 124, 135 (1988) D.C.Hoffman, R.A.Henderson, K.E.Gregorich, D.A.Bennett, R.M.Chasteler, C.M.Gannett, H.L.Hall, D.M.Lee, M.J.Nurmia, S.Cai, R.Agarwal, A.W.Charlop, Y.Y.Chu, G.T.Seaborg, R.J.Silva Atom-at-a-time radiochemical separations of the heaviest elements: Lawrencium chemistry NUCLEAR REACTIONS 249Bk(18O, 3nα), E=101 MeV; measured reaction products, Eα, Iα. 260Lr; deduced σ, T1/2.
doi: 10.1007/bf02035512
1988SC24 Inorganica chimica acta 146, 249 (1988) U.W.Scherer, J.V.Kratz, M.Schadel, W.Bruchle, K.E.Gregorich, R.A.Henderson, D.Lee, M.Nurmia, D.C.Hoffman Lawrencium chemistry: no evidence for oxidation states lower than 3+ in aqueous solution NUCLEAR REACTIONS 249Bk(18O, X)249Cf/211Bi/252Fm/254Fm/255Fm/249Fm/254Md/255Md/260Lr, E=100-101 MeV; measured reaction products, Eα, Iα. 260Lr; deduced yields.
doi: 10.1016/S0020-1693(00)80616-7
1987CH30 Phys.Rev. C36, 1820 (1987) R.M.Chasteler, R.A.Henderson, D.Lee, K.E.Gregorich, M.J.Nurmia, R.B.Welch, D.C.Hoffman Excitation Functions for Production of Heavy Actinides from Interactions of 16O with 249Cf NUCLEAR REACTIONS, ICPND 249Cf(16O, X)244Bk/245Bk/246Bk/248Bk/248mBk/247Cf/248Cf/248Es/249Es/250Es/251Es/253Es/250Fm/251Fm/252Fm/253Fm/254Fm/256Fm, E=90, 96, 106, 115, 122, 139, 150 MeV; measured residual production σ(E), isotopic distributions.
doi: 10.1103/PhysRevC.36.1820
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
1983LE09 Phys.Rev. C27, 2656 (1983) D.Lee, K.J.Moody, M.J.Nurmia, G.T.Seaborg, H.R.von Gunten, D.C.Hoffman Excitation Functions for Production of Heavy Actinides from Interactions of 18O with 248Cm and 249Cf NUCLEAR REACTIONS, ICPND 248Cm(18O, X)245Bk/246Bk/248Bk/248mBk/250Bk/251Bk/246Cf/248Cf/250Cf/252Cf/253Cf/254Cf/252Es/253Es/254Es/254mEs/255Es/252Fm/253Fm/254Fm/255Fm/256Fm, E=97, 104, 113, 122 MeV; 249Cf(18O, X)245Bk/246Bk/248Bk/248mBk/246Cf/248Cf/250Cf/249Es/250Es/251Es/252Es/253Es/254Es/254mEs/250Fm/252Fm/253Fm/254Fm/255Fm/256Fm/256Md/258Md/258mMd/259No, E=91, 97, 104, 113, 122, 150 MeV; measured residuals production σ(E), mass distribution widths. Activation technique.
doi: 10.1103/PhysRevC.27.2656
1982LE01 Phys.Rev. C25, 286 (1982) D.Lee, H.von Gunten, B.Jacak, M.Nurmia, Yuan-fang Liu, Cheng Luo, G.T.Seaborg, D.C.Hoffman Production of Heavy Actinides from Interactions of 16O, 18O, 20Ne, and 22Ne with 248Cm NUCLEAR REACTIONS 248Cm(16O, X), E=98 MeV; 248Cm(18O, X), E=97 MeV; 248Cm(20Ne, X), E=115 MeV; 248Cm(22Ne, X), E=116 MeV; measured production σ for 245,246,248m,250,251Bk, 246,248,249,250,251,252,253,254Cf, 251,252,253,254m,255Es, 251,252,253,254,255,256Fm, 256Md, 259No; deduced reaction mechanism. Activation technique, radiochemical separation.
doi: 10.1103/PhysRevC.25.286
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
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
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
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
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
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
1967VA07 UCRL-17299, p.30 (1967) Alpha-Decay Properties of Neutron-Deficient Isotopes of Emanation NUCLEAR STRUCTURE 203Rn, 202Rn, 213Rn, 205Rn, 204Rn, 206Rn, 207Rn; measured not abstracted; deduced nuclear properties.
1967VA17 Phys.Rev. 159, 1013 (1967) Alpha-Decay Properties of Neutron-Deficient Isotopes of Emanation RADIOACTIVITY 201,202,203,204,205,206,207Rn, 203mRn; measured T1/2, Eα. 199mPo; measured Eα.
doi: 10.1103/PhysRev.159.1013
1965IS01 Z.Naturforsch. 20a, 541 (1965) Alpha Activity of Natural Neodymium NUCLEAR STRUCTURE 145Nd, 144Nd; measured not abstracted; deduced nuclear properties.
1965NU02 Phys.Lett. 14, 136 (1965) A New Short-Lived Isotope of Gallium NUCLEAR STRUCTURE 63Ga; measured not abstracted; deduced nuclear properties.
doi: 10.1016/0031-9163(65)90453-1
1965NU03 Ann.Acad.Sci.Fennicae, Ser.A VI, No.167 (1965) M.Nurmia, D.Giessing, W.Sievers, L.Varga Studies of the Natural Actinium Radioactive Series NUCLEAR STRUCTURE 227Ac, 211Pb, 211Bi, 215Bi; measured not abstracted; deduced nuclear properties.
1965NU04 UCRL-16580, p.80 (1965) New Neutron-Deficient Isotopes of Emanation NUCLEAR STRUCTURE 200Rn, 202Rn, 201Rn, 203Rn, 205Rn, 204Rn, 206Rn; measured not abstracted; deduced nuclear properties.
1965VA10 Ann.Acad.Sci.Fenn., Ser.A VI, No.184 (1965) K.Valli, J.Aaltonen, G.Graeffe, M.Nurmia An Alpha-Gamma and Alpha-Conversion Electron Coincidence Study of Rn-219, Po-215, and Bi-211 NUCLEAR STRUCTURE 211Bi, 219Rn, 215Po; measured not abstracted; deduced nuclear properties.
1965VA16 Ann.Acad.Sci.Fenn., Ser.A VI, No.177 (1965) K.Valli, J.Aaltonen, G.Graeffe, M.Nurmia, R.Poeyhoenen Half-Life of 147Sm; Comparison of Ionization Chamber and Liquid Scintillation Results NUCLEAR STRUCTURE 147Sm; measured not abstracted; deduced nuclear properties.
1964NU02 Ann.Acad.Sci.Fennicae Ser. A VI, No.148 (1964); Phys.Abstr. 68, 68, Abstr.762 (1966) M.Nurmia, G.Graeffe, K.Valli, J.Aaltonen Alpha Activity of Sm-146
1963KA17 Arkiv Fysik 23, 57 (1963) M.Karras, G.Andersson, M.Nurmia Search for Alpha Activity in Neutron Deficient Isotopes of Pb, Tl, Hg, Pt, and Te NUCLEAR STRUCTURE 119Te, 117Te, 116Te, 118Te, 198Bi, 198Tl, 198Pb, 197Pb, 196Bi, 196Pb, 194Tl, 195Tl, 193Hg, 193Au, 192Hg, 193Tl, 192Au, 190Hg, 191Hg, 191Au, 189Hg, 190Au, 189Au; measured not abstracted; deduced nuclear properties.
1962NU01 Phys.Rev. 127, 943 (1962) M.Nurmia, P.Kauranen, A.Siivola Pm145: A New Alpha Activity NUCLEAR STRUCTURE 145Pm; measured not abstracted; deduced nuclear properties.
doi: 10.1103/PhysRev.127.943
1962NU02 Priv.Comm (Nov. 1962)
1961GR37 Ann.Acad.Sci.Fennicae Ser.A VI, No.77 (1961) The Use of Thick Sources in Alpha Spectrometry NUCLEAR STRUCTURE 147Sm, 190Pt; measured not abstracted; deduced nuclear properties.
1961NU01 Nature 190, 427 (1961) M.Nurmia, P.Kauranen, M.Karras, A.Siivola, A.Isola, G.Graeffe, A.Lyyjynen Mercury-206: A new natural radionuclide NUCLEAR STRUCTURE 206Hg, 210Pb; measured not abstracted; deduced nuclear properties.
1961TA22 Ann.Acad.Sci.Fennicae Ser.A VI, No.78 (1961) On the Relations between Half-Life and Energy Release in Alpha Decay NUCLEAR STRUCTURE 144Nd; measured not abstracted; deduced nuclear properties.
1960KA27 Nature(London) 185, 601 (1960) Natural Radioactivity of Samarium and Neodymium RADIOACTIVITY 147Sm(α); measured decay products, Eα, Iα; deduced T1/2.
doi: 10.1038/185601a0
1958NU40 Phys.Rev.Letters 1, 23 (1958) New Isotope of Beryllium
doi: 10.1103/PhysRevLett.1.23
1958NU41 Nuclear Phys. 8, 139 (1958) Cross-Sections for (n, p) and (n, α) Reactions of Magnesium with 14.8 Me Neutrons; A new isotope Na26
doi: 10.1016/0029-5582(58)90142-1
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