NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of April 27, 2024.

Search: Author = M.E.Leino

Found 18 matches.

Back to query form

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 T_1/2, 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), T_1/2. ^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 T_1/2, 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
Citations: PlumX Metrics

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, T_1/2. 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, T_1/2; 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 T_1/2, 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 ^{237,238,239,240,241,242,243,244,245,246}Pu, ^{240,241,242,243,244,245,246,247,248,249,250}Cm, ^{242,243,244,245,246,248,249,250,251,252,253,254}Cf; compiled experimental, theoretical mass differences. ^{245,246,247,248,249,250,251,252,254,255,256,257}Fm, ^{251,252,253,254,255,256,257,259}No, ²⁵⁵Rf, ²⁵⁶Rf, ²⁵⁷Rf, ²⁵⁹Rf, ²⁶¹Rf, ²⁵⁹Sg, ²⁶⁰Sg, ²⁶¹Sg, ²⁶³Sg, ²⁶⁵Hs; compiled partial α-decay T_1/2, 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 T_1/2, energy. ²⁶⁴Hs deduced α-decay T_1/2.

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, T_1/2, 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 T_1/2; deduced SF(T_1/2) limit, branching ratio. ²⁵⁶Rf(SF) [from ²⁶⁰Sg(α-decay)]; measured T_1/2. 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, T_1/2; 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 T_1/2. ²⁵⁹Sg(α) [from ²⁰⁷Pb(⁵⁴Cr, 2n), E=262 MeV]; measured Eα, Iα, T_1/2.

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 T_1/2, 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,194}Po, ^191mBi; measured T_1/2, 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 T_1/2. ²⁶⁰Rf deduced no evidence for 80 ms spontaneous fission decay.

doi: 10.1016/0375-9474(81)90564-9
Citations: PlumX Metrics