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NSR database version of May 24, 2024.

Search: Author = M.E.Leino

Found 18 matches.

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1992AS02      Nucl.Instrum.Methods Phys.Res. B70, 233 (1992)

A.Astier, R.Beraud, A.Bouldjedri, R.Duffait, A.Emsallem, M.Meyer, S.Morier, P.Pangaud, N.Redon, D.Barneoud, J.Blachot, J.Genevey, A.Gizon, R.Guglielmini, J.Inchaouh, G.Margotton, J.L.Vieux-Rochaz, J.Arje, J.Aysto, P.Jauho, A.Jokinen, H.Penttila, K.Eskola, M.E.Leino, J.B.Marquette

Status Report of the SARA IGISOL Used in the Study of the 238U(α 40 MeV, f) Reaction

NUCLEAR REACTIONS 238U(α, F), E=40 MeV; measured absolute cumulative yields for isotopes from 96Y to 122Ag; deduced strong symmetric fission evidence. New ion guide on-line isotope separator.

doi: 10.1016/0168-583X(92)95937-M
Citations: PlumX Metrics

1991JO11      Z.Phys. A340, 21 (1991)

A.Jokinen, J.Aysto, P.Dendooven, K.Eskola, Z.Janas, P.P.Jauho, M.E.Leino, J.M.Parmonen, H.Penttila, K.Rykaczewski, P.Taskinen

Spin-Flip β- Decay of Even-Even Deformed Nuclei 110Ru and 112Ru

RADIOACTIVITY 110,112Ru(β-) [from 238U(p, F), E=20 MeV]; measured Eγ, Iγ, βγ-coin, Eβ, β(ce)-, β(X-ray)-coin; deduced T1/2, Qβ. 112Rh levels deduced γ-multipolarity, ICC. 110Rh deduced transitions.

doi: 10.1007/BF01284476
Citations: PlumX Metrics

1991PE04      Z.Phys. A338, 291 (1991)

H.Penttila, J.Aysto, K.Eskola, Z.Janas, P.P.Jauho, A.Jokinen, M.E.Leino, J.M.Parmonen, P.Taskinen

First Observation of the Beta Decay of 117Pd and the Discovery of a New Isotope 119Pd

RADIOACTIVITY 117,117m,119Pd [from 238U(p, F), E=20 MeV]; measured γγ-, γ(X-ray)-, γβ-coin, I(ce), T1/2. 117,119Ag deduced levels.

1990AY02      Nucl.Phys. A515, 365 (1990)

J.Aysto, P.P.Jauho, Z.Janas, A.Jokinen, J.M.Parmonen, H.Penttila, P.Taskinen, R.Beraud, R.Duffait, A.Emsallem, J.Meyer, M.Meyer, N.Redon, M.E.Leino, K.Eskola, P.Dendooven

Collective Structure of the Neutron-Rich Nuclei, 110Ru and 112Ru

RADIOACTIVITY 110,112Tc(β-) [from 228U(p, F), E=20 MeV]; measured β-decay T1/2, Qβ-, Iγ, I(ce), β-γ-.γγ-coin. 110,112Ru deduced levels, J, π, level systematics, mass quadrupole moments, equilibrium shapes. Ge, Si-Li, plastic detectors. Hartree-Fock potential energy calculations.

NUCLEAR STRUCTURE 108,110,112Ru; calculated levels, mass quadrupole moments, equilibrium shapes. Hartree-Fock calculations.

doi: 10.1016/0375-9474(90)90590-I
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1989GA19      Nucl.Phys. A502, 561c (1989)

H.W.Gaggeler, D.T.Jost, A.Turler, P.Armbruster, W.Bruchle, H.Folger, F.P.Hessberger, S.Hofmann, G.Munzenberg, V.Ninov, W.Reisdorf, M.Schadel, K.Summerer, J.V.Kratz, U.Scherer, M.E.Leino

Cold Fusion Reactions with 48Ca

NUCLEAR REACTIONS 209Bi, 197Au, 184W, 180Hf, 208Pb(48Ca, n), (48Ca, 2n), E=4.3-4.8 MeV/nucleon; measured reaction σ. Extra-push model analysis.

doi: 10.1016/0375-9474(89)90689-1
Citations: PlumX Metrics

1989HE13      Z.Phys. A333, 111 (1989)

F.P.Hessberger, H.Gaggeler, P.Armbruster, W.Bruchle, H.Folger, S.Hofmann, D.Jost, J.V.Kratz, M.E.Leino, G.Munzenberg, V.Ninov, M.Schadel, U.Scherer, K.Summerer, A.Turler, D.Ackermann

The New Nuclide 225U

NUCLEAR REACTIONS 180Hf(48Ca, X), E=4.24 MeV/nucleon; measured Eα, Iα; deduced evidence for 225U. Correlation techniques.

RADIOACTIVITY 225U(α) [from 180Hf(48Ca, X), E=4.24 MeV/nucleon]; measured Eα, Iα, T1/2. Correlation techniques.

1989MU09      Z.Phys. A333, 163 (1989)

G.Munzenberg, P.Armbruster, S.Hofmann, F.P.Hessberger, H.Folger, J.G.Keller, V.Ninov, K.Poppensieker, A.B.Quint, W.Reisdorf, K.-H.Schmidt, J.R.H.Schneider, H.-J.Schott, K.Summerer, I.Zychor, M.E.Leino, D.Ackermann, U.Gollerthan, E.Hanelt, W.Morawek, D.Vermeulen, Y.Fujita, T.Schwab

Element 107

NUCLEAR REACTIONS 209Bi(54Cr, xn), E=4.87-5.07 MeV/nucleon; measured α-spectra; deduced evidence for 261,262,262mBh, formation σ, reaction σ(E).

RADIOACTIVITY 261,262,262mBh(α) [from 209Bi(54Cr, xn), E=4.87-5.07 MeV/nucleon]; measured α-spectra, αα-correlations, T1/2; deduced no SF-decay evidence.

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
Citations: PlumX Metrics

1988MU15      Z.Phys. A330, 435 (1988)

G.Munzenberg, S.Hofmann, F.P.Hessberger, H.Folger, V.Ninov, K.Poppensieker, A.B.Quint, W.Reisdorf, H.-J.Schott, K.Summerer, P.Armbruster, M.E.Leino, D.Ackermann, U.Gollerthan, E.Hanelt, W.Morawek, Y.Fujita, T.Schwab, A.Turler

New Results on Element 109

NUCLEAR REACTIONS 209Bi(56Fe, X), E=5.17 MeV/nucleon; measured α(evaporation residue)(θ). 266Mt deduced T1/2, decay features.

1987MU15      Z.Phys. A328, 49 (1987)

G.Munzenberg, P.Armbruster, G.Berthes, H.Folger, F.P.Hessberger, S.Hofmann, J.Keller, K.Poppensieker, A.B.Quint, W.Reisdorf, K.-H.Schmidt, H.-J.Schott, K.Summerer, I.Zychor, M.E.Leino, R.Hingmann, U.Gollerthan, E.Hanelt

Observation of the Isotopes 264108 and 265108

COMPILATION 237,238,239,240,241,242,243,244,245,246Pu, 240,241,242,243,244,245,246,247,248,249,250Cm, 242,243,244,245,246,248,249,250,251,252,253,254Cf; compiled experimental, theoretical mass differences. 245,246,247,248,249,250,251,252,254,255,256,257Fm, 251,252,253,254,255,256,257,259No, 255Rf, 256Rf, 257Rf, 259Rf, 261Rf, 259Sg, 260Sg, 261Sg, 263Sg, 265Hs; compiled partial α-decay T1/2, Q(α), experimental, theoretical mass differences.

RADIOACTIVITY 264Hs, 265Hs(α) [from 207,208Pb(58Fe, n), E=5.04 MeV/nucleon]; measured Eα, Iα. 265Hs deduced α-decay T1/2, energy. 264Hs deduced α-decay T1/2.

NUCLEAR REACTIONS 207,208Pb(58Fe, n), E=5.04 MeV/nucleon; measured Eα, Iα; deduced evidence for 264Hs, 265Hs.

1986MU10      Z.Phys. A324, 489 (1986)

G.Munzenberg, P.Armbruster, G.Berthes, H.Folger, F.P.Hessberger, S.Hofmann, K.Poppensieker, W.Reisdorf, B.Quint, K.-H.Schmidt, H.-J.Schott, K.Summerer, I.Zychor, M.E.Leino, U.Gollerthan, E.Hanelt

Evidence for 264108, the Heaviest Known Even-Even Isotope

RADIOACTIVITY 264Hs(α) [from 207Pb(58Fe, X), E=5.04 MeV/nucleon]; measured Eα, Iα; deduced Qα, T1/2, mass excess.

NUCLEAR REACTIONS 207Pb(58Fe, X)264Hs, E=5.04 MeV/nucleon; measured Eα, Iα following fusion evaporation residue decay; deduced evidence for 264Hs production σ lower limit.

1985HO29      Nucl.Phys. A447, 335c (1985)

S.Hofmann, P.Armbruster, G.Munzenberg, W.Reisdorf, K.-H.Schmidt, H.G.Burkhard, F.P.Hessberger, H.-J.Schott, Y.K.Agarwal, G.Berthes, U.Gollerthan, H.Folger, R.Hingmann, J.G.Keller, M.E.Leino, P.Lemmertz, M.Montoya, K.Poppensieker, B.Quint, I.Zychor

The Influence of the Surprising Decay Properties of Element 108 on Search Experiments for New Elements

RADIOACTIVITY 260Sg(α) [from 208Pb(54Cr, 2n), E=4.92 MeV/nucleon]; measured T1/2; deduced SF(T1/2) limit, branching ratio. 256Rf(SF) [from 260Sg(α-decay)]; measured T1/2. 260Sg, 256Rf deduced mass excess.

doi: 10.1016/0375-9474(86)90615-9
Citations: PlumX Metrics

1985MU11      Z.Phys. A322, 227 (1985)

G.Munzenberg, S.Hofmann, H.Folger, F.P.Hessberger, J.Keller, K.Poppensieker, B.Quint, W.Reisdorf, K.-H.Schmidt, H.J.Schott, P.Armbruster, M.E.Leino, R.Hingmann

The Isotopes of 259106, 260106, and 261106

NUCLEAR REACTIONS 208Pb(54Cr, n), (54Cr, 2n), E=257, 263, 268 MeV; 207Pb(54Cr, n), (54Cr, 2n), E=262 MeV; measured Eα, Iα, αα-correlation; deduced evidence for 259Sg, 260Sg, 261Sg.

RADIOACTIVITY 261Sg(α) [from 208Pb(54Cr, n), E=257-268 MeV]; measured Eα, Iα, T1/2; deduced α-branching ratio. 260Sg(α) [from 207,208Pb(54Cr, xn), E=257-268 MeV]; measured Eα, Iα; deduced α-branching ratio, shell effects. 256Rf(SF) [from 260Sg(α-decay)]; measured T1/2. 259Sg(α) [from 207Pb(54Cr, 2n), E=262 MeV]; measured Eα, Iα, T1/2.

1984MU17      Z.Phys. A317, 235 (1984)

G.Munzenberg, P.Armbruster, H.Folger, F.P.Hessberger, S.Hofmann, J.Keller, K.Poppensieker, W.Reisdorf, K.-H.Schmidt, H.-J.Schott, M.E.Leino, R.Hingmann

The Identification of Element 108

RADIOACTIVITY 265Hs(α) [from 208Pb(56Fe, n)]; measured T1/2, Eα. Correlated decay study of 261Sg, 257Rf, surface barrier detectors.

NUCLEAR REACTIONS 208Pb(56Fe, n), E=5.02 MeV/nucleon; measured Eα; deduced evidence for 265Hs, production σ. Correlated decay study of 261Sg, 257Rf, surface barrier detectors.

1983ME08      Phys.Rev. C27, 2217 (1983)

R.A.Meyer, J.F.Wild, K.Eskola, M.E.Leino, S.Vaisala, K.Forssten, U.Kaup, A.Gelberg

Collective Excitations of 82Kr Observed by In-Beam and Decay Spectroscopy and Their Characterization by the Interacting Boson Model

RADIOACTIVITY 82,82mBr(β-); 82,82mRb(β+), (EC); measured Eγ, Iγ, γγ-coin. 82Kr deduced levels, J, π.

NUCLEAR REACTIONS 80Se(α, 2nγ), E=16-21.3 MeV; measured Eγ, Iγ, γγ-coin, γ(θ). 82Kr deduced levels, J, π, γ-multipolarity, δ, γ-branching, band structure configuration. Interacting boson model.

doi: 10.1103/PhysRevC.27.2217
Citations: PlumX Metrics

1982ES01      Phys.Scr. 25, 15 (1982)

P.Eskola, K.Eskola, M.E.Leino, R.Katajanheimo, K.Forssten

Level Structure of 83Kr from the 80Se(α, nγ)83Kr Reaction

NUCLEAR REACTIONS 80Se(α, nγ), E=10, 12.8, 14.8 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), σ(Eγ). 83Kr deduced levels, γ-branching, J, π. Particle-rotor model.

doi: 10.1088/0031-8949/25/1A/003
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
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