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Search: Author = M.Kortelahti

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1996WO04      Nucl.Phys. A600, 283 (1996)

J.L.Wood, M.O.Kortelahti, E.F.Zganjar, P.B.Semmes

Decay of Mass-Separated ^189mHg(8.7 min) and ^189gHg(7.7 min) to ¹⁸⁹Au

RADIOACTIVITY ^189mHg(EC), (β⁺) [from ¹⁸⁰Hf(¹⁶O, 7n), E=135 MeV]; ^189gHg(EC), (β⁺) [from ¹⁸¹Ta(¹⁶O, 8n)¹⁸⁹Tl, E=147 MeV]; measured Eγ, Iγ, I(ce), γγ(t), eγ(t), γ(X-ray)(t), e(X-ray)(t). ¹⁸⁹Au deduced levels, J, π, ICC, γ multipolarity. Ge(Li), hyperpure Ge, Si(Li) detectors, mass-separated sources.

doi: 10.1016/0375-9474(95)00478-5
Citations: PlumX Metrics

1994MC06      Nucl.Phys. A580, 335 (1994)

F.K.McGowan, N.R.Johnson, M.N.Rao, C.Baktash, I.Y.Lee, J.C.Wells, M.Kortelahti, V.P.Janzen

Transition Quadrupole Moments of High-Spin States in ¹⁷⁰W

NUCLEAR REACTIONS ¹²²Sn(⁵²Cr, 4n), E=230 MeV; measured γγ-coin, Doppler shift recoil distance. ¹⁷⁰W deduced high-spin levels T_1/2, transition quadrupole moments, B(λ), band structure.

doi: 10.1016/0375-9474(94)90778-1
Citations: PlumX Metrics

1994ZH48      High Energy Phys. and Nucl.Phys. (China) 18, 193 (1994)

S.Zhu, Z.Chen, E.F.Zganjar, M.O.Kortelahti, J.L.Wood, H.K.Carter, J.H.Hamilton, A.V.Ramayya, X.Zhao

Level Structure of ¹⁸⁷Au and Particle-Core Coupling

1991CH14      Phys.Rev. C43, 2541 (1991)

L.Chaturvedi, X.Zhao, A.V.Ramayya, J.H.Hamilton, J.Kormicki, S.Zhu, C.Girit, H.Xie, W.-B.Gao, Y.-R.Jiang, A.Petrovici, K.W.Schmid, A.Faessler, N.R.Johnson, C.Baktash, I.Y.Lee, F.K.McGowan, M.L.Halbert, M.A.Riley, J.H.McNeill, M.O.Kortelahti, J.D.Cole, R.B.Piercey, H.Q.Jin

Tests of Microscopic Calculations of Multiple Band Structures and Large Deformations in ⁶⁸Ge and ⁷²Se

NUCLEAR REACTIONS ⁴⁶Ti(²⁵Mg, n2p), E=68 MeV; ⁴⁷Ti(²⁸Si, X), E=95 MeV; measured γγ-coin. ⁶⁸Ge, ⁷²Se deduced levels, J, π, band structure, deformation features.

doi: 10.1103/PhysRevC.43.2541
Citations: PlumX Metrics

1991KO03      Phys.Rev. C43, 484 (1991)

M.O.Kortelahti, E.F.Zganjar, J.L.Wood, C.R.Bingham, H.K.Carter, K.S.Toth, J.H.Hamilton, J.Kormicki, L.Chaturvedi, W.B.Newbolt

Shape Coexistence in ¹⁹⁰Hg

RADIOACTIVITY ¹⁹⁰Tl; measured γγ-, γ(ce)-coin. ¹⁹⁰Hg deduced levels, J, π, band structure, shape features, ICC, B(λ) ratios. Other data input.

doi: 10.1103/PhysRevC.43.484
Citations: PlumX Metrics

1991TO08      Phys.Rev. C44, 1868 (1991)

K.S.Toth, K.S.Vierinen, M.O.Kortelahti, D.C.Sousa, J.M.Nitschke, P.A.Wilmarth

Investigation of A = 155 and A = 151 Nuclides: Identification of the ¹⁵⁵Tm s_1/2 isomer and the ¹⁵⁵Yb β-decay branch

RADIOACTIVITY ¹⁵⁵Yb, ¹⁵⁵Tm(β⁺), (α); ¹⁵¹Er(β⁺); ¹⁵¹Ho(α); measured T_1/2, γγ-coin, Eγ, Iγ, Eα, Iα; deduced logft, α reduced widths. ¹⁵⁵Tm, ¹⁵⁵Er, ¹⁵¹Ho deduced levels, J, π.

doi: 10.1103/PhysRevC.44.1868
Citations: PlumX Metrics

1991TO12      Nucl.Instrum.Methods Phys.Res. B56/57, 484 (1991)

K.S.Toth, J.M.Nitschke, K.S.Vierinen, P.A.Wilmarth, R.B.Firestone, M.O.Kortelahti

Spectroscopy of Proton-Rich Nuclei in the Rare Earth Region

NUCLEAR REACTIONS ⁹⁶Ru, ^92,94,95,96Mo, ⁹³Nb(⁶⁴Zn, X), (⁵⁸Ni, X), E not given; measured residuals decay spectra; deduced evidence for neutron deficient isotopes with Z=65-71.

RADIOACTIVITY ¹⁵³Yb, ¹⁴⁹Er(EC), (β⁺); ¹⁵³Tm(α) [from ¹⁵³Yb(β⁺-EC)-decay]; analyzed decay data; deduced s_1/2, h_11/2 states role.

doi: 10.1016/0168-583X(91)96076-W
Citations: PlumX Metrics

1991ZH28      Chin.J.Nucl.Phys. 13, No 4, 331 (1991)

S.Zhu, L.Chaturvedi, J.H.Hamilton, A.V.Ramayya, C.Girit, J.Kormicki, X.W.Zhao, W.B.Gao, N.R.Johnson, I.Y.Lee, C.Baktash, F.K.McGowan, M.L.Halbert, M.Riley, M.O.Kortelahti, J.D.Cole

High Spin States in ⁶⁵Ga, ⁶⁷Ga and Their Collective Behavior at High Angular Momenta

NUCLEAR REACTIONS ⁴⁶Ti(²⁵Mg, 3n3p), (²⁵Mg, n3p), E=68 MeV; measured γγ-coin, background subtraction. ^65,67Ga deduced levels, J, π, band structure, collective features. In-beam γ-spectroscopy.

1990KO25      Phys.Rev. C42, 1267 (1990)

M.O.Kortelahti, B.D.Kern, R.A.Braga, R.W.Fink, I.C.Girit, R.L.Mlekodaj

Transitional Nuclei in the Rare-Earth Region: Energy levels and structure of ^130,132Ce, ^132,134Nd, and ¹³⁴Pm, via β decay of ^130,132Pr, ^132,134Pm, and ¹³⁴Sm

RADIOACTIVITY ^130,132Pr, ^132,134Pm, ¹³⁴Sm [from ⁹²Mo(⁴⁶Ti, xnyp), ¹¹²Sn(²⁸Si, xnyp), E=170-240 MeV]; measured Eγ, Iγ, γγ(t), T_1/2. ^130,132Ce, ^132,134Nd, ¹³⁴Pm deduced levels, B(E2) ratios. Interacting boson model calculations.

doi: 10.1103/PhysRevC.42.1267
Citations: PlumX Metrics

1989KO02      Phys.Rev. C39, 636 (1989)

M.O.Kortelahti, K.S.Toth, K.S.Vierinen, J.M.Nitschke, P.A.Wilmarth, R.B.Firestone, R.M.Chasteler, A.A.Shihab-Eldin

Decay Properties of ¹⁵³Yb and ¹⁵³Tm; Excitation energies of the s_1/2 and h_11/2 proton states in ¹⁵³Tm

RADIOACTIVITY ¹⁵³Yb(β⁺) [from ⁹²Mo(⁶⁴Zn, n2p), E=267 MeV]; ¹⁵³Tm(β⁺), (α) [from ⁹²Mo(⁶⁴Zn, 3p), E=267 MeV]; measured E(γ), I(γ), γ(X-ray)-coin. ¹⁵³Yb level deduced J, π. ¹⁵³Tm deduced levels, J, π, isomer α-decay features. ¹⁵³Er deduced levels, possible J, π, configuration, γ-branching.

doi: 10.1103/PhysRevC.39.636
Citations: PlumX Metrics

1989KO07      Z.Phys. A332, 229 (1989)

M.O.Kortelahti, H.K.Carter, R.A.Braga, R.W.Fink, B.D.Kern

Non-Yrast Level Structure of ¹³⁵Nd via Beta Decay of ¹³⁵Pm

RADIOACTIVITY ¹³⁵Pm(β⁺), (EC) [from ⁹²Mo(⁴⁶Ti, X), E=240 MeV]; measured γγ-coin, I(ce). ¹³⁵Nd deduced levels, possible J, π.

1989SI11      Z.Phys. A333, 323 (1989)

P.Simecek, R.Julin, S.Juutinen, M.Kortelahti, J.Kumpulainen, D.Nosek, A.Pakkanen, I.Prochazka

In-Beam Study of Low-Lying Levels in the ¹⁴⁹Sm Nucleus

NUCLEAR REACTIONS ¹⁴⁶Nd(α, n), E=18.5 MeV; measured γγ-coin, I(ce), γ(θ), Iγ, Eγ. ¹⁴⁹Sm deduced levels, J, π, B(λ), δ, ICC. Quasiparticle-rotor model interpretation.

1988GI08      Hyperfine Interactions 43, 151 (1988)

I.C.Girit, G.D.Alton, C.R.Bingham, H.K.Carter, M.L.Simpson, J.D.Cole, W.L.Croft, J.H.Hamilton, E.F.Jones, P.M.Gore, J.Kormicki, H.Xie, B.D.Kern, K.S.Krane, Y.S.Xu, P.F.Mantica, Jr., B.E.Zimmerman, W.G.Nettles, E.F.Zganjar, M.O.Kortelahti, W.B.Newbolt

UNISOR On-Line Nuclear Orientation Facility (UNISOR/NOF)

RADIOACTIVITY ^191,193Hg; measured γ(θ), oriented nuclei, anisotropy. On-line nuclear orientation. ³He-⁴He dilution refrigerator.

doi: 10.1007/BF02398295
Citations: PlumX Metrics

1988KE03      Z.Phys. A330, 37 (1988); Erratum Z.Phys. A341, 493 (1992)

B.D.Kern, R.L.Mlekodaj, M.O.Kortelahti, R.A.Braga, R.W.Fink

Energy Levels of ¹³⁶Pm and ¹³⁶Nd via Beta Decay of ¹³⁶Sm and ¹³⁶Pm

RADIOACTIVITY ¹³⁶Sm(β⁺), (EC), ¹³⁶Pm(β⁺), (EC) [from ⁹²Mo(⁴⁸Ti, xnyp), ¹¹²Sn(²⁸Si, xnyp)]; measured γγ-coin, γ yields. ¹³⁶Sm deduced T_1/2. ¹³⁶Nd deduced levels, γ-branching. ¹³⁶Pm deduced levels, γ-branching, tentative isomer J, π.

1988KO22      J.Phys.(London) G14, 1361 (1988)

M.O.Kortelahti, E.F.Zganjar, H.K.Carter, C.D.Papanicolopulos, M.A.Grimm, J.L.Wood

Nuclear Systematics Far from the Line of Beta Stability: The low-lying excited states of ^185,187,189Au

RADIOACTIVITY ^{185,185m,187,187m,189,189m}Hg; measured γγ(t), γ(X-ray)(t), γ(ce)(t), (ce)(X-ray)(t), γγ-coin. ^185,187,189Au deduced levels, J, π, band structure, systematics.

doi: 10.1088/0305-4616/14/11/008
Citations: PlumX Metrics

1988PA15      Z.Phys. A330, 371 (1988)

C.D.Papanicolopulos, M.A.Grimm, J.L.Wood, E.F.Zganjar, M.O.Kortelahti, J.D.Cole, H.K.Carter

Very Converted Transitions and Particle-Core Coupling in Neutron-Deficient Odd-Mass Au Isotopes

RADIOACTIVITY ^185,185mHg(β⁺), (EC) [from ¹⁷⁶Hf(¹⁶O, 7n), E=140 MeV]; ¹⁸⁷Hg(β⁺), (EC) [from ¹⁸⁰W(¹⁴N, 7n), E=160 MeV, ¹⁸⁷Tl-β-decay]; ^187mHg(β⁺), (EC) [from ¹⁸⁰W(¹²C, 5n), E=120 MeV]; measured γγ-, γ(ce)-coin. ^185,187Au deduced transitions, γ-multipolarity, ICC.

1988TO13      Phys.Rev. C38, 1932 (1988)

K.S.Toth, P.A.Wilmarth, J.M.Nitschke, R.B.Firestone, K.Vierinen, M.O.Kortelahti, F.T.Avignone III

Fine Structure in ¹⁵³Tm α Decay

RADIOACTIVITY ¹⁵³Tm(α) [from ⁹²Mo(⁶⁴Zn, X), E=285 MeV]; measured Eα, Iα, Eγ, Iγ; deduced level sequence, configuration.

doi: 10.1103/PhysRevC.38.1932
Citations: PlumX Metrics

1988WI05      Z.Phys. A329, 503 (1988)

P.A.Wilmarth, J.M.Nitschke, K.Vierinen, K.S.Toth, M.Kortelahti

Beta-Delayed Proton Decay of the N = 83 Precursor ¹⁵³Yb

RADIOACTIVITY ¹⁵³Yb(β⁺), (EC), (β⁺p) [from ⁹²Mo(⁶⁴Zn, X), E=285 MeV]; measured β-delayed Ep, Ip, pγ-, p(X-ray)-coin; deduced delayed proton decay T_1/2, β-strength function. ¹⁵²Er levels deduced p-branching ratios.

1987EL09      Phys.Rev. C36, 1529 (1987)

Y.A.Ellis-Akovali, K.S.Toth, H.K.Carter, C.R.Bingham, I.C.Girit, M.O.Kortelahti

α-Decay Reduced Width of ¹⁹⁴Pb and Low-Spin Levels in ¹⁹⁴Tl Populated in ¹⁹⁴Pb β Decay

RADIOACTIVITY ¹⁹⁴Pb(EC), (β⁺), (α) [from W(¹⁶O, X), E=126 MeV]; measured Eα, Iα, Eγ, Iγ, I(ce), T_1/2, γγ-, γ(ce)-coin; deduced log ft, α-branching, α-reduced width. ¹⁹⁴Tl deduced levels, J, π, γ-multipolarity.

doi: 10.1103/PhysRevC.36.1529
Citations: PlumX Metrics

1987KE05      Phys.Rev. C36, 1514 (1987)

B.D.Kern, R.L.Mlekodaj, G.A.Leander, M.O.Kortelahti, E.F.Zganjar, R.A.Braga, R.W.Fink, C.P.Perez, W.Nazarewicz, P.B.Semmes

Transition through Triaxial Shapes of the Light Samarium Isotopes and the Beta Decay of ^136,138,140Eu

NUCLEAR REACTIONS ⁹²Mo(⁴⁸Ti, xnp), E=220 MeV; ¹¹²Sn(²⁸Si, xnp), E=170, 190 MeV; measured Eγ, Iγ, γγ-coin. Enriched targets, Ge detectors, magnetic isotope separator.

RADIOACTIVITY ^136,138,140Eu(β⁺), (EC) [from ⁹²Mo(⁴⁸Ti, pxn), E=220 MeV; ¹¹²Sn(²⁸Si, xnp), E=170, 190 MeV]; measured Eγ, Iγ, γγ-coin. ^136,138,140Sm deduced levels. Enriched targets, Ge detectors, magnetic isotope separator.

NUCLEAR STRUCTURE ^136,138,140Sm; calculated levels. Wood-Saxon Strutinsky, triaxial models, interacting boson approximation.

doi: 10.1103/PhysRevC.36.1514
Citations: PlumX Metrics

1987KO24      Z.Phys. A327, 231 (1987)

M.Kortelahti, E.F.Zganjar, R.L.Mlekodaj, B.D.Kern, R.A.Braga, R.W.Fink, C.P.Perez

Beta-Decay of Light Rare-Earth ^130,132Pr and ^132,134Pm Nuclei

RADIOACTIVITY ^130,132Pr, ^132,134Pm(β⁺), (EC) [from ¹¹²Sn(²⁸Si, X), E=190, 220 MeV]; measured Eγ, Iγ, γγ-coin. ^130,132Ce, ^132,134Nd deduced levels, J, π.

1986MC14      Z.Phys. A325, 27 (1986)

J.McNeill, R.Broda, Y.H.Chung, P.J.Daly, Z.W.Grabowski, H.Helppi, M.Kortelahti, R.V.F.Janssens, T.L.Khoo, R.D.Lawson, D.C.Radford, J.Blomqvist

Level Structure of Proton-Rich N = 83 Nuclei ¹⁵⁰Ho and ¹⁵²Tm

NUCLEAR REACTIONS ⁹²Zr, ⁹⁴Mo(⁶⁰Ni, np), ⁹³Nb(⁶⁰Ni, n2p), E=240-250 MeV; measured γγ-coin, sum spectra, γ(t). ¹⁵⁰Ho, ¹⁵²Tm deduced levels, J, π, isomer, T_1/2, decay characteristics, B(λ), γ-branching, γ-multipolarity, ICC. Enriched metallic targets, NaI sum spectrometer, Ge(Li) detectors. Shell model calculations.

1985AZ02      Nucl.Phys. A439, 573 (1985)

F.Azgui, H.Emling, E.Grosse, C.Michel, R.S.Simon, W.Spreng, H.J.Wollersheim, T.L.Khoo, P.Chowdhury, D.Frekers, R.V.F.Janssens, A.Pakkanen, P.J.Daly, M.Kortelahti, D.Schwalm, G.Seiler-Clark

Feeding Times of High-Spin States in ^152,154Dy: Probes of nuclear structure above the yrast line

NUCLEAR REACTIONS ²⁵Mg(¹³⁴Xe, 5n), (¹³²Xe, 5n), E=686 MeV; ¹²⁴Sn(³⁴S, 4n), E=146 MeV; ¹²²Sn(³⁴S, 4n), E=160 MeV; measured Eγ, Iγ, recoil distance. ^152,154Dy deduced levels, T_1/2, feeding times, quadrupole transition probabilities. Ge detectors, NaI(Tl) arrays, sum spectrometer, plunger, pulsed, beam.

doi: 10.1016/0375-9474(85)90426-9
Citations: PlumX Metrics

1985BR07      Z.Phys. A321, 287 (1985)

R.Broda, P.J.Daly, Z.W.Grabowski, H.Helppi, M.Kortelahti, J.McNeill, R.V.F.Janssens, R.D.Lawson, D.C.Radford, J.Blomqvist

Two-Proton Neutron-Hole Yrast Excitations in ¹⁴⁷₆₆Dy₈₁

NUCLEAR REACTIONS ⁸⁹Y(⁶⁰Ni, np), ⁹⁰Zr(⁶⁰Ni, n2p), ⁹²Zr(⁵⁸Ni, n2p), E=230-250 MeV; measured Eγ, Iγ, γγ-coin. ¹⁴⁷Dy deduced levels, J, π, yrast sequence, γ-multipolarity, branching, transition widths, ICC, seniority characteristics, B(λ), configurations.

doi: 10.1007/BF01493450
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1985KO18      Z.Phys. A321, 417 (1985)

M.Kortelahti, R.Julin, J.Hattula, A.Pakkanen, M.Piiparinen

Non-Yrast Level Structure of ¹³⁵Pr

NUCLEAR REACTIONS ¹³⁶Ce(p, 2n), E=19.9 MeV; measured σ(Eγ), Eγ, Iγ, γγ-coin, γ(t), γ(θ), I(ce). ¹³⁵Pr deduced levels, J, π, T_1/2, ICC, γ-multipolarity, deformation. Triaxial rotor-plus-particle model.

doi: 10.1007/BF01411973
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1984CH11      Phys.Rev. C29, 2153 (1984)

Y.H.Chung, P.J.Daly, H.Helppi, R.Broda, Z.W.Grabowski, M.Kortelahti, J.McNeill, A.Pakkanen, P.Chowdhury, R.V.F.Janssens, T.L.Khoo, J.Blomqvist

Four-Valence-Proton Yrast States in ¹⁵⁰₆₈Er₈₂

NUCLEAR REACTIONS ^92,94Zr, ⁹³Nb, ^92,94,95Mo(⁵⁸Ni, xnyp), (⁶⁰Ni, xnyp), ⁹³Nb(⁶⁰Ni, 2np), ⁹⁵Mo(⁵⁸Ni, n2p), E=225-255 MeV; measured Eγ, Iγ, γγ(t), σ(Eγ, E), γγ-coin, X-rayγ-coin. ¹⁵⁰Er deduced levels, T_1/2, yrast sequence, isomers, ICC, γ-branching, J, π, B(E2), γ-multipolarity. Shell model.

doi: 10.1103/PhysRevC.29.2153
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1984PA14      ATOMKI Kozlem. 26, 40 (1984)

A.Pakkanen, T.Komppa, R.Komu, M.Kortelahti, M.Piiparinen

Medium and Low-Spin States in N = 82 ± 1 Nuclei near ¹⁴⁶Gd

NUCLEAR REACTIONS Nd, Sm(³He, xn), (α, n), E not given; measured γ-spectra. ¹⁴³Sm, ^145,147Gd deduced levels, J, π, configuration. Shell model comparison.

1984SL03      Phys.Lett. 135B, 33 (1984)

G.Sletten, S.Bjornholm, J.Borggreen, J.Pedersen, P.Chowdhury, H.Emling, D.Frekers, R.V.F.Janssens, T.L.Khoo, Y.H.Chung, M.Kortelahti

Nucleon Alignment to very High Spins in ¹⁴⁷Gd: Rapid ' rotation ' of fermion system

NUCLEAR REACTIONS ¹²²Sn(³⁰Si, 5n), E=153 MeV; measured Eγ, Iγ, γ(θ). ¹⁴⁷Gd deduced levels, γ-branching, J, π, yrast sequence, configuration, fermion system rotation evidence.

doi: 10.1016/0370-2693(84)90448-9
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1983JA18      Phys.Lett. 131B, 35 (1983)

R.V.F.Janssens, P.Chowdhury, H.Emling, D.Frekers, T.L.Khoo, W.Kuhn, Y.H.Chung, P.J.Daly, Z.W.Grabowski, M.Kortelahti, S.Frauendorf, J.Y.Zhang

Aligned νi_13/2 Bands Coupled to Different Shapes in ¹⁸⁶Hg

NUCLEAR STRUCTURE ¹⁸⁶Hg; calculated quasineutron routhians, rotational bands, moments of inertia. Cranked shell model.

NUCLEAR REACTIONS ¹⁵⁶Gd(³⁴S, 4n), E not given; measured γγ-coin, γ(θ), σ(Eγ), γ-multiplicity. ¹⁸⁶Hg deduced levels, J, π, γ-branching, stretched E2 transitions, relative Iγ, rotational bands, alignment effects. Cranked shell model calculations.

doi: 10.1016/0370-2693(83)91086-9
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1983KH03      Phys.Scr. T5, 16 (1983)

T.L.Khoo, P.Chowdhury, H.Emling, D.Frekers, R.V.F.Janssens, W.Kuhn, A.Pakkanen, Y.H.Chung, P.J.Daly, Z.W.Grabowski, H.Helppi, M.Kortelahti, S.Bjornholm, J.Borggreen, J.Pedersen, G.Sletten

Nuclear Shape Transitions and Some Properties of Aligned-Particle Configurations at High Spin

NUCLEAR STRUCTURE ^{148,152,156,160}Dy, ¹⁴⁷Gd; analyzed high-spin state, effective quadrupole moment, feeding times data; deduced shape dependence on spin, neutron number.

NUCLEAR REACTIONS ¹²²Sn(³⁰Si, 5n), E not given; measured γγ-coin. ¹⁴⁷Gd deduced levels, γ-branching.

doi: 10.1088/0031-8949/1983/T5/003
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1983KO13      Phys.Scr. 27, 166 (1983)

M.Kortelahti, T.Komppa, M.Piiparinen, A.Pakkanen, R.Komu

Medium-Spin Levels in ¹³⁷Ce and the Prolate-Oblate Shape Transition in Ce Nuclei

NUCLEAR REACTIONS ¹³⁷Ba(³He, 3n), E=27 MeV; measured Eγ, Iγ, I(ce), γγ-coin, γ(θ), σ(Eγ). ¹³⁷Ce deduced levels, J, π, ICC, band structure, γ-branching, configuration, γ-multipolarity.

doi: 10.1088/0031-8949/27/3/003
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1983KO42      Z.Phys. A314, 33 (1983)

T.Komppa, R.Komu, M.Kortelahti, J.Muhonen, A.Pakkanen, M.Piiparinen, I.Prochazka, J.Blomqvist

Medium-Spin Levels in the N = 83 Nucleus ¹⁴⁷Gd

NUCLEAR REACTIONS, ICPND ¹⁴⁷Sm(³He, 3n), E=22 MeV; ¹⁴⁴Sm(α, n), E=17.5 MeV; measured Eγ, Iγ, γ(θ), γγ-coin, I(ce), σ(Eγ, E), γγ(t), γ yield vs E. ¹⁴⁷Gd deduced levels, γ-branching, J, π, ICC, γ-multipolarity, configuration. Shell model.

NUCLEAR STRUCTURE ¹⁴⁷Gd; calculated levels. Shell model.

doi: 10.1007/BF01411826
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1983KO45      Phys.Lett. 131B, 305 (1983)

M.Kortelahti, R.Broda, Y.H.Chung, P.J.Daly, H.Helppi, J.Mcneill, A.Pakkanen, P.Chowdhury, R.V.F.Janssens, T.L.Khoo, W.Kuhn

Level Structure of ¹⁵³Dy and the Competition between Collective and Few-Particle Excitation Modes in Dy Nuclei

NUCLEAR REACTIONS ¹²⁴Sn(³⁴S, 5n), E=145-165 MeV; measured γ(θ), σ(Eγ, E), γγ-coin, γγ(t). ¹⁵³Dy deduced levels, γ-branching, isomer configuration, J, π, B(E2), shape, collective, few particle excitation mode competitions.

doi: 10.1016/0370-2693(83)90504-X
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1982HO09      Nucl.Phys. A380, 410 (1982)

J.Honkanen, J.Aysto, M.Kortelahti, K.Eskola, K.Vierinen, A.Hautojarvi

Beta Decay of ⁴⁰Sc to Proton and Alpha-Particle Unbound States in ⁴⁰Ca

RADIOACTIVITY ⁴⁰Sc [from ⁴⁰Ca(p, n)]; measured β-delayed E(p), Eα, I(p), Iα, T_1/2; deduced log ft, β-strength function. ⁴⁰Ca deduced levels, Γα/Γp, J, π, T.

doi: 10.1016/0375-9474(82)90567-X
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1982KL04      Phys.Rev.Lett. 48, 1457 (1982)

P.Kleinheinz, J.Styczen, M.Piiparinen, J.Blomqvist, M.Kortelahti

Two-Phonon Octupole Excitation in ¹⁴⁷Gd

RADIOACTIVITY ¹⁴⁷Gd [from ¹⁴⁷Sm(³He, 3n), E=22, 27 MeV]; measured I(ce), ce(t). ¹⁴⁷Gd level deduced T_1/2, γ-branching ratio, B(E3), configuration. Si-Li, magnetic lens spectrometers.

doi: 10.1103/PhysRevLett.48.1457
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1982KO05      Nucl.Phys. A376, 1 (1982)

M.Kortelahti, A.Pakkanen, M.Piiparinen, T.Komppa, R.Komu

Medium-Spin Levels and a 360 ns Iπ = 19/2^- Isomer in the N = 80 Nucleus ¹³⁷La

NUCLEAR REACTIONS ¹³⁸Ba(p, 2n), E=17.1-20.3 MeV; measured Eγ, Iγ(E), Iγ(θ), I(ce), γγ-coin, pγ(t). ¹³⁷La deduced levels, J, π, T_1/2, ICC, B(λ). Enriched targets.

RADIOACTIVITY ^137mCe [from ¹³⁷Ba(³He, 3n)]; measured Eγ, Iγ, γγ-coin. ¹³⁷La deduced levels.

doi: 10.1016/0375-9474(82)90529-2
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1981HO19      Nucl.Phys. A366, 109 (1981)

J.Honkanen, M.Kortelahti, K.Eskola, K.Vierinen

Beta Decay and Delayed Proton Emission of a New Nuclide ⁵⁹Zn

RADIOACTIVITY ⁵⁹Zn [from ⁵⁸Ni(³He, 2n)]; measured Eγ, Iγ, β-delayed Ep, Ip, T_1/2; deduced log ft, β-strength function. ⁵⁹Cu deduced levels, J, π.

doi: 10.1016/0375-9474(81)90490-5
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1981KO16      Phys.Scr. 24, 10 (1981)

M.Kortelahti, M.Piiparinen, A.Pakkanen, T.Komppa, R.Komu

Medium-Spin States in the N = 82 Nuclei ¹⁴¹Pr and ¹⁴³Pm

NUCLEAR REACTIONS ¹⁴²Ce, ¹⁴⁴Nd(p, 2n), E=15.8-20.4 MeV; ¹⁴⁵Nd(p, 3n), E=20.4 MeV; measured Eγ, Iγ, pγ(t), γ(θ), γγ-coin, I(ce). ¹⁴¹Pr, ¹⁴³Pm deduced levels, J, π, γ-multipolarity, ICC.

doi: 10.1088/0031-8949/24/1A/002
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1980ES01      Nucl.Phys. A341, 365 (1980)

K.Eskola, M.Riihonen, K.Vierinen, J.Honkanen, M.Kortelahti, K.Valli

Beta-Delayed Particle Emission of ³⁶K

RADIOACTIVITY ³⁶K [from ³⁶Ar(p, n)]; measured β-delayed Ep, Eα, Ip, Iα; deduced maximum log ft. ³⁶Ar deduced levels, Γγ, Γp, Γα, J, π. Implanted ³⁶Ar target.

doi: 10.1016/0375-9474(80)90370-X
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1980KO16      Nucl.Phys. A342, 421 (1980)

M.Kortelahti, M.Piiparinen, A.Pakkanen, T.Komppa, R.Komu, S.Brant, I.J.Udovicic, V.Paar

In-Beam Study of ¹⁴⁵Pm and the Cluster-Vibration Model for Odd Pm Nuclei

NUCLEAR REACTIONS ¹⁴⁶Nd(p, 2n), E=14.9-20.2 MeV; measured Eγ, Iγ(E), Iγ(θ), I(ce), γγ-coin, pγ(t). ¹⁴⁵Pm deduced levels, J, π, T_1/2, ICC, δ(E2/M1). Enriched targets.

doi: 10.1016/0375-9474(80)90554-0
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1980PI03      Nucl.Phys. A342, 53 (1980)

M.Piiparinen, M.Kortelahti, A.Pakkanen, T.Komppa, R.Komu

Medium-Spin States in the N = 80 Nuclei ¹³⁹Pr and ¹⁴¹Pm

NUCLEAR REACTIONS ¹⁴²Nd, ¹⁴⁰Ce(p, 2nγ), ¹⁴²Nd(p, 2n), E=15-20 MeV; ¹⁴¹Pr, ¹³⁹La(³He, 3nγ), ¹³⁹La, ¹⁴¹Pr(³He, 3n), E=19-27 MeV; ¹⁴¹Pr, ¹³⁹La(α, 4nγ), E=49-55 MeV; measured Eγ, Iγ(E), Iγ(θ), I(ce), γγ-coin, pγ(t), ³Heγ(t), (ce)p(t), (ce)³He(t). ¹³⁹Pr, ¹⁴¹Pm deduced levels, J, π, T_1/2, ICC, B(λ), δ(E2/M1). Enriched, natural targets.

doi: 10.1016/0375-9474(80)90506-0
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1979HO08      Phys.Scr. 19, 239 (1979)

J.Honkanen, M.Kortelahti, J.Aysto, K.Eskola, A.Hautojarvi

Decay of ²⁴Al and ²⁴Al-m to γ-Ray and α-Particle Emitting States in ²⁴Mg

RADIOACTIVITY ²⁴Al, ^24mAl [from ²⁴Mg(p, n), E=20 MeV]; measured Eγ, Iγ, delayed α spectra; deduced Qβ, log ft. ²⁴Mg levels deduced J, π, T, γ-branching.

doi: 10.1088/0031-8949/19/3/004
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1979HO27      Nucl.Phys. A330, 429 (1979)

J.Honkanen, M.Kortelahti, K.Valli, K.Eskola, A.Hautojarvi, K.Vierinen

Delayed Particle Emission Following the β⁺ Decay of ²⁸P and ³²Cl

RADIOACTIVITY ²⁸P [from ²⁸Si(p, n)];³²Cl [from ³²S(p, n)]; measured β-delayed Ep, Eα, Ip, Iα; deduced maximum log ft. ²⁸Si, ³²S deduced levels, Γα/Γp, J, π. Natural targets.

doi: 10.1016/0375-9474(79)90064-2
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1979KO35      Nucl.Phys. A332, 422 (1979)

M.Kortelahti, A.Pakkanen, M.Piiparinen, E.Hammaren, T.Komppa, R.Komu

In-Beam Study and a Rotational Description of Low-Lying Levels in the N = 88 Nucleus ¹⁴⁹Pm

NUCLEAR REACTIONS ¹⁵⁰Nd(p, 2nγ), E=12.1-15.8 MeV; measured Eγ, Iγ(E), Iγ(θ), γγ-coin, pγ-delay. ¹⁴⁹Pm deduced levels, J, π, T_1/2. Enriched targets.

doi: 10.1016/0375-9474(79)90011-3
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1977KO24      Nucl.Phys. A288, 365 (1977)

M.Kortelahti, A.Pakkanen, M.Piiparinen, T.Komppa, R.Komu

Structure of Odd-A Pm Nuclei (I). ¹⁴⁷Pm

NUCLEAR REACTIONS ¹⁴⁸Nd(p, 2nγ), E=12.1-20.2 MeV; measured Eγ, Iγ(E), Iγ(θ), ICC, γγ-coin, pγ-delay. ¹⁴⁷Pm deduced levels, J, π, T_1/2, ICC, B(λ), δ(E2/M1). Enriched targets.

doi: 10.1016/0375-9474(77)90337-2
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1977PA20      Z.Phys. A282, 277 (1977)

A.Pakkanen, M.Piiparinen, M.Kortelahti, T.Komppa, R.Komu, J.Aysto

Properties of Isomeric States and the πd-vi₁₃/₂ Multiplet in ¹⁹⁴Au

RADIOACTIVITY ^194mAu; measured I(ce); deduced ICC.

NUCLEAR REACTIONS ¹⁹⁴Pt(p, nγ), E=11.6 MeV; ¹⁹⁵Pt(p, 2nγ), E=12.1, 14.8, 15.8, 17.8, 20.3 MeV; measured Eγ, Iγ, γγ(t), γ(θ). ¹⁹⁴Au deduced levels, T_1/2, λ, B(λ).

doi: 10.1007/BF01414895
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1975KO02      Nucl.Phys. A240, 87 (1975)

M.Kortelahti, A.Pakkanen, J.Kantele

Electromagnetic Transition Rates in ²⁰⁸Pb

RADIOACTIVITY ²⁰⁸Tl [from equilibrium product of ²²⁸Th]; measured Eγ, Iγ, γγ-, γγγ-coin. ²⁰⁸Pb deduced levels, γ-branching, B(M1), B(E2).

doi: 10.1016/0375-9474(75)90438-8
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1975PA07      Z.Phys. A274, 127 (1975)

A.Pakkanen, M.Kortelahti, H.Helppi, J.Kantele, T.Poikolainen, R.Komu

Decay of 14.6 h ⁹⁰Nb

RADIOACTIVITY ⁹⁰Nb [from ⁹⁰Zr(p, n)]; measured Eγ, Iγ, γγ-coin; deduced log ft. ⁹⁰Zr deduced levels, J, π, γ-branching. Ge(Li), anti-Compton detectors. Natural targets.

doi: 10.1007/BF01408464
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Note: The following list of authors and aliases matches the search parameter M.Kortelahti: , M.D.KORTELAHTI, M.O.KORTELAHTI