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NSR database version of April 11, 2024.

Search: Author = M.Nurmia

Found 77 matches.

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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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2565.


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2565.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14008.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14631.


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14055.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2514.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0410.


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
Citations: PlumX Metrics


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
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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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14717.


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
Citations: PlumX Metrics


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
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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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

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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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetB0004.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


1967VA07      UCRL-17299, p.30 (1967)

K.Valli, M.J.Nurmia, E.K.Hyde

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)

K.Valli, M.J.Nurmia, E.K.Hyde

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
Citations: PlumX Metrics


1965IS01      Z.Naturforsch. 20a, 541 (1965)

A.Isola, M.Nurmia

Alpha Activity of Natural Neodymium

NUCLEAR STRUCTURE 145Nd, 144Nd; measured not abstracted; deduced nuclear properties.


1965NU02      Phys.Lett. 14, 136 (1965)

M.Nurmia, R.W.Fink

A New Short-Lived Isotope of Gallium

NUCLEAR STRUCTURE 63Ga; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0031-9163(65)90453-1
Citations: PlumX Metrics


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)

M.Nurmia, K.Valli, E.K.Hyde

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
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1962NU02      Priv.Comm (Nov. 1962)

M.Nurmia


1961GR37      Ann.Acad.Sci.Fennicae Ser.A VI, No.77 (1961)

G.Graeffe, M.Nurmia

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)

R.Taagepera, M.Nurmia

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)

M.Karras, M.Nurmia

Natural Radioactivity of Samarium and Neodymium

RADIOACTIVITY 147Sm(α); measured decay products, Eα, Iα; deduced T1/2.

doi: 10.1038/185601a0
Citations: PlumX Metrics


1958NU40      Phys.Rev.Letters 1, 23 (1958)

M.J.Nurmia, R.W.Fink

New Isotope of Beryllium

doi: 10.1103/PhysRevLett.1.23
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1958NU41      Nuclear Phys. 8, 139 (1958)

M.J.Nurmia, R.W.Fink

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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