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Search: Author = A.Pakkanen

Found 52 matches.

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1995JU02      Phys.Rev. C51, 1699 (1995)

S.Juutinen, P.Simecek, P.Ahonen, M.Carpenter, C.Fahlander, J.Gascon, R.Julin, A.Lampinen, T.Lonnroth, J.Nyberg, A.Pakkanen, M.Piiparinen, K.Schiffer, G.Sletten, S.Tormanen, A.Virtanen

Shape Coexistence in the Transitional 133Ba Nucleus

NUCLEAR REACTIONS 124Sn(13C, 4n), E=48.4, 65.5 MeV; measured Eγ, Iγ, DCO ratios. 133Ba deduced high-spin levels, J, π, shape features, band structure. Total Ronthian surface calculations.

doi: 10.1103/PhysRevC.51.1699
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1995JU09      Phys.Rev. C52, 2946 (1995)

S.Juutinen, S.Tormanen, P.Ahonen, M.Carpenter, C.Fahlander, J.Gascon, R.Julin, A.Lampinen, T.Lonnroth, J.Nyberg, A.Pakkanen, M.Piiparinen, K.Schiffer, P.Simecek, G.Sletten, A.Virtanen

Band Structures in 132Ba

NUCLEAR REACTIONS 124Sn(13C, 5n), E=65.5 MeV; measured Eγ, Iγ, Iγγ(θ), γγ-coin. 132Ba deduced levels, J, π, band structure. Array of Ge detectors.

doi: 10.1103/PhysRevC.52.2946
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1993PI16      Nucl.Phys. A565, 671 (1993)

M.Piiparinen, R.Julin, S.Juutinen, A.Virtanen, P.Ahonen, C.Fahlander, J.Hattula, A.Lampinen, T.Lonnroth, A.Maj, S.Mitarai, D.Muller, J.Nyberg, A.Pakkanen, M.Sugawara, I.Thorslund, S.Tormanen

Lifetimes of Yrast States in 110Cd

NUCLEAR REACTIONS 100Mo(13C, 3n), E=44 MeV; measured Eγ, Iγ, γγ-coin. 110Cd levels deduced B(E2) values, T1/2. Enriched targets, array of Compton-suppressed Ge detectors, 4π BaF2 ball, plunger.

doi: 10.1016/0375-9474(93)90052-Y
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1991JU02      Nucl.Phys. A526, 346 (1991)

S.Juutinen, P.Ahonen, J.Hattula, R.Julin, A.Pakkanen, A.Virtanen, J.Simpson, R.Chapman, D.Clarke, F.Khazaie, J.Lisle, J.N.Mo

High-j Bands in 173Ir

NUCLEAR REACTIONS 144Sm(32S, 2np), E=160-170 MeV; measured Eγ, Iγ, γ yield, γ(θ), γγ-coin. 118Sn(58Ni, 2np), E=270 MeV; measured (recoil)γ-coin. 173Ir deduced levels, J, π, γ-branching, B(λ) ratios. Enriched targets, array of Compton-suppressed Ge detectors. Experimental routhians and aligned angular momenta, single particle levels, total routhian surface calculations, Woods-Saxon potential.

doi: 10.1016/0375-9474(91)90290-M
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1990JU01      Z.Phys. A336, 475 (1990)

S.Juutinen, R.Julin, P.Ahonen, C.Fahlander, J.Hattula, J.Kumpulainen, A.Lampinen, T.Lonnroth, D.Muller, J.Nyberg, A.Pakkanen, M.Piiparinen, I.Thorslund, S.Tormanen, A.Virtanen

High-Spin States in 110Cd

NUCLEAR REACTIONS 96Zr(18O, 4n), E=65, 73 MeV; measured γγ-coin. 110Cd deduced levels, J, π, band structure.


1990LO17      Z.Phys. A337, 11 (1990)

T.Lonnroth, P.Ahonen, R.Julin, S.Juutinen, A.Lampinen, A.Pakkanen, S.Tormanen, W.Trzaska, A.Virtanen

Properties of the (13/2)+ Isomeric Decay in 201Hg

NUCLEAR REACTIONS 198Pt(α, n), E=18.1 MeV; measured Eγ, Iγ, γ(t), I(ce). 201Hg deduced levels, J, π, isomer decay, ICC, B(λ).


1990TI08      Phys.Rev. C42, 2431 (1990)

P.Tikkanen, J.Keinonen, A.Lampinen, R.Julin, A.Pakkanen, P.Ahonen, J.Hattula, S.Juutinen, S.Tormanen, P.J.Nolan, P.von Brentano, A.Dewald, A.Gelberg, G.Siems, R.Wirowski

Lifetimes of Yrast J(π) = 16+-26+ States in 130Ce

NUCLEAR REACTIONS 98Mo(36S, 4n), E=143-150 MeV; measured DSA, γ-lineshapes. 130Ce levels deduced T1/2. Enriched targets.

doi: 10.1103/PhysRevC.42.2431
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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.


1988AY02      Nucl.Phys. A480, 104 (1988)

J.Aysto, C.N.Davids, J.Hattula, J.Honkanen, K.Honkanen, P.Jauho, R.Julin, S.Juutinen, J.Kumpulainen, T.Lonnroth, A.Pakkanen, A.Passoja, H.Penttila, P.Taskinen, E.Verho, A.Virtanen, M.Yoshii

Levels in 110Pd, 112Pd, 114Pd and 116Pd from the Beta Decays of the On-Line Mass Separated Rh Isotopes

RADIOACTIVITY 110,112,114,116Rh(β-) [from 238U(p, F), E=20 MeV]; measured T1/2-), Q(β-), I(γ), (β-)(ce)-, β-γ-, γγ-coin. 110,112,114,116Pd deduced levels, J, π, level systematics. Ge(Li), Ge, Si-Li, plastic detectors.

doi: 10.1016/0375-9474(88)90387-9
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1987HA03      J.Phys.(London) G13, 57 (1987)

J.Hattula, S.Juutinen, M.Jaaskelainen, T.Lonnroth, A.Pakkanen, M.Piiparinen, G.Sletten

Neutron and Proton Bands in 122Xe at High Spins

NUCLEAR REACTIONS 110Pd(16O, 4n), (16O, 3n), (18O, 4n), 109Ag(18O, 4n), E=65-82 MeV; measured Eγ, Iγ, γγ-coin. 122Te(3He, 3n), E=27 MeV; measured σ(θ). 122Xe deduced levels, band structure, ICC, Iγ. 123,124Xe, 123Cs deduced levels, J, π, yrast sequence, quasiparticle band alignments.

doi: 10.1088/0305-4616/13/1/009
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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, T1/2, feeding times, quadrupole transition probabilities. Ge detectors, NaI(Tl) arrays, sum spectrometer, plunger, pulsed, beam.

doi: 10.1016/0375-9474(85)90426-9
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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, T1/2, ICC, γ-multipolarity, deformation. Triaxial rotor-plus-particle model.

doi: 10.1007/BF01411973
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1985TI09      Soc.Sci.Fenn., Comment.Phys.-Math. 73, 4 (1985)

P.Tikkanen, J.Keinonen, A.Anttila, A.Pakkanen

Analogue Structure of 27Si-27Al; Transition strengths in 27Si

NUCLEAR REACTIONS 27Al(p, n), E=9-14 MeV; measured nγ-coin, DSA. 27Si levels deduced T1/2, transition strength, γ-multipolarity, δ.


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, T1/2, yrast sequence, isomers, ICC, γ-branching, J, π, B(E2), γ-multipolarity. Shell model.

doi: 10.1103/PhysRevC.29.2153
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1984KO17      ATOMKI Kozlem. 26, 33 (1984)

J.Kownacki, J.Jastrzebski, P.Koczon, W.Skulski, J.Wrzesinski, J.Sieniawski, J.Styczen, W.Walus, A.Celler, E.Liukkonen, A.Lukko, A.Pakkanen, Th.Lindblad, S.Elfstrom

Multipolarity Excitations in the Single Closed Shell Nucleus 14058Ce82

NUCLEAR REACTIONS 138Ba(α, 2n), E not given; measured I(ce), γγ-coin. 140Ce deduced levels, J, π, T1/2, ICC, configuration. Intermediate image plus Si-Li electron spectrometer.


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.


1983HA30      Phys.Rev. C28, 1860 (1983)

J.Hattula, S.Juutinen, H.Helppi, A.Pakkanen, M.Piiparinen, S.Elfstrom, Th.Lindblad

Band Crossings in 86Zr

NUCLEAR REACTIONS Sr(3He, xnγ), E=27 MeV; Sr(α, xnγ), E=55 MeV; measured Eγ, Iγ, γγ(t), γ(θ). 86Zr deduced levels, T1/2, band structure, yrast line backbending characteristics.

doi: 10.1103/PhysRevC.28.1860
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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 148,152,156,160Dy, 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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1982HE08      Phys.Lett. 115B, 11 (1982)

H.Helppi, Y.H.Chung, P.J.Daly, S.R.Faber, A.Pakkanen, I.Ahmad, P.Chowdhury, Z.W.Grabowski, T.L.Khoo, R.D.Lawson, J.Blomqvist

Yrast (πh11/2)(n) Excitations in Proton-Rich N = 82 Nuclei

NUCLEAR REACTIONS 92,94Zr, 93Nb, 92,94,95Mo(58Ni, X), (62Ni, X), E=225-285 MeV; measured σ(Eγ), γγ-, γ(X-ray)-coin. 150Er, 151Tm deduced levels, γ-branching, J, π, isomer T1/2, B(λ), configuration.

doi: 10.1016/0370-2693(82)90504-4
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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, T1/2, 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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1982PA04      Nucl.Phys. A373, 237 (1982)

A.Pakkanen, J.Muhonen, M.Piiparinen, J.Blomqvist

Medium-Spin Levels and the Character of the 20.4 ns 13/2+ Isomer in 145Gd

NUCLEAR REACTIONS 144Sm(3He, 2n), E=12.6-27 MeV; measured Eγ, Iγ(E), Iγ(θ), I(ce), γγ-coin, 3Heγ(t). 145Gd deduced levels, J, π, T1/2, ICC, B(λ). Enriched targets.

doi: 10.1016/0375-9474(82)90149-X
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1982PA10      Phys.Rev.Lett. 48, 1530 (1982)

A.Pakkanen, Y.H.Chung, P.J.Daly, S.R.Faber, H.Helppi, J.Wilson, P.Chowdhury, T.L.Khoo, I.Ahmad, J.Borggreen, Z.W.Grabowski, D.C.Radford

Transition from Collective to Aligned-Particle Configurations at High Spin in 154Dy

NUCLEAR REACTIONS 124Sn(34S, 4n), E=145-165 MeV; measured γγ-coin, γ(θ), σ(Eγ), recoil. 154Dy deduced levels, J, π, γ-branching, T1/2, yrast level intrinsic quadrupole moments, backbending, shape change.

doi: 10.1103/PhysRevLett.48.1530
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1982PI07      Z.Phys. A309, 87 (1982)

M.Piiparinen, T.Komppa, R.Komu, A.Pakkanen, J.Blomqvist

Particle Octupole Multiplet in 147Gd

NUCLEAR REACTIONS 147Sm(3He, 3n), E=20-27 MeV; 147Sm(α, n), E=16-20 MeV; measured σ(Eγ), γγ-coin, I(ce), γ(θ), γγ(t). 147Gd deduced levels, J, π, γ-branching, γ-multipolarity.

doi: 10.1007/BF01420156
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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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1981PI10      Z.Phys. A301, 231 (1981)

M.Piiparinen, R.Broda, Y.Nagai, P.Kleinheinz, A.Pakkanen

The 235 ns 9+ Isomer in 14863Eu85

NUCLEAR REACTIONS 149Sm(p, 2n), E=17 MeV; 150Sm(p, 3n), E=31 MeV; measured Eγ, Iγ, γ(θ), γγ-coin, I(ce). 148Eu deduced levels, isomer T1/2, J, π, ICC, γ-multipolarity, B(M2), configurations.

doi: 10.1007/BF01416298
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1981WI08      Phys.Lett. 103B, 413 (1981)

J.Wilson, Y.H.Chung, S.R.Faber, A.Pakkanen, P.J.Daly, I.Ahmad, P.Chowdhury, T.L.Khoo, R.D.Lawson, R.K.Smither

Shell Model Yrast States of the N = 83 Nucleus 150Ho

NUCLEAR REACTIONS 122Te(32S, 3np), 121Sb(32S, 3n), E=155-180 MeV; measured γγ-coin, γγ(t), γ(t). 150Ho deduced levels, J, π, T1/2, yrast sequence, γ-branching, B(E2), configuration. Shell model interpretation.

doi: 10.1016/0370-2693(81)90072-1
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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, T1/2, 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, T1/2, ICC, B(λ), δ(E2/M1). Enriched, natural targets.

doi: 10.1016/0375-9474(80)90506-0
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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, T1/2. Enriched targets.

doi: 10.1016/0375-9474(79)90011-3
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1977FI08      Nucl.Phys. A288, 57 (1977)

L.K.Fifield, F.P.Calaprice, C.H.Zimmerman, M.J.Hurst, A.Pakkanen, T.J.M.Symons, F.Watt, K.W.Allen

Measurements of the Radiative Widths of the First T = 1, 2+ State of 20Ne and their Relationship to Analog β-Decays

NUCLEAR REACTIONS 16O(α, γ), E=6.93 MeV; measured σ(Eα, Eγ). 20Ne 10.27 MeV, 2+ T=1 level deduced branching ratios, Γγ, weak magnetism form factors. Enriched gas target.

doi: 10.1016/0375-9474(77)90081-1
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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, T1/2, 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, T1/2, λ, B(λ).

doi: 10.1007/BF01414895
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1976SY01      Phys.Lett. 63B, 409 (1976)

T.J.M.Symons, L.K.Fifield, M.J.Hurst, A.Pakkanen, F.Watt, C.H.Zimmerman, K.W.Allen

The Second 13/2+ State in 19F

NUCLEAR REACTIONS 15N(α, γ), E=5.1-8.6 MeV; measured σ(E, Eγ, θ). 19F deduced resonance, J, π, transition strengths, δ.

doi: 10.1016/0370-2693(76)90382-8
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1975HE13      Nucl.Phys. A247, 317 (1975)

H.Helppi, A.Pakkanen, J.Hattula

Mixing of the Transitions from the 3+ Quasi γ-Band Level in 152Gd

RADIOACTIVITY 152Eu [from 151Eu(n, γ)]; measured γγ(θ). 152Gd deduced B(E2) ratios, γ-multipole mixing. Enriched target.

doi: 10.1016/0375-9474(75)90638-7
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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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1975TA06      Z.Phys. A272, 301 (1975)

C.W.Tang, A.Pakkanen, Z.C.Mester, C.D.Coryell, G.Chilosi, K.Bos, A.H.Wapstra

The Decay of 2.4 h 117gCd and 3.4 h 117mCd

RADIOACTIVITY 117,117mCd [from 116Cd(n, γ), (d, p)]; measured Eγ, Iγ, γγ-coin, T1/2, Eβ; deduced Qβ, log ft, Eβ max. 117In deduced levels, J, π, γ-branching.

doi: 10.1007/BF01438024
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1974HE08      Nucl.Phys. A223, 13 (1974)

H.Helppi, A.Pakkanen, J.Hattula

The E2/M1 Mixing of the Transitions from the Kπ = 2+ Bands in 190,192Os and 192Pt

RADIOACTIVITY 190Ir [from 192Os(p, 3n)], 192Ir [from 191Ir(n, γ)]; measured γγ, γγ(θ). 190,192Os, 192Pt deduced γ-multipole mixing. Natural targets.

doi: 10.1016/0375-9474(74)90276-0
Citations: PlumX Metrics


1973PA08      Nucl.Phys. A206, 164 (1973)

A.Pakkanen, P.Puumalainen, H.Helppi, T.Komppa

Isomeric Transition in 198Au

RADIOACTIVITY 198mAu [from 197Au(d, p), 198Hg(n, p)]; measured T1/2, Eγ, ICC, Iγ, I(ce), γγ-, ceγ-coin, γγ-delay, ICC; 198Au deduced levels, J, π, T1/2.

doi: 10.1016/0375-9474(73)90613-1
Citations: PlumX Metrics


1973PA21      Phys.Fenn. 8, 345 (1973)

A.Pakkanen, D.W.Heikkinen

A 6.1 s Isomer and Rotational Bands in 192Os

RADIOACTIVITY 192mOs; measured T1/2, Eγ, Iγ, Iβ, βγ-coin, γγ-coin. 192Os deduced levels, J, π, λ.

NUCLEAR REACTIONS 192Os(n, n'γ), E=14.5 MeV; measured 192mOs yield.


1972HE36      Z.Phys. 255, 385 (1972)

H.Helppi, A.Pakkanen

Note on the Decay of 200Au

RADIOACTIVITY 200Au; measured Eγ, Iγ, Eβ, βγ-, γγ-coin; deduced log ft, Q. 200Hg deduced levels, J, π, γ-branching. Ge(Li), plastic detectors.

doi: 10.1007/BF01392472
Citations: PlumX Metrics


1972PA06      Nucl.Phys. A184, 157 (1972)

A.Pakkanen, T.Komppa, H.Helppi

New 204Au Activity and the Decay of 202Au

RADIOACTIVITY 202Au[from 202Hg(n, p), 205Tl(n, α)], 204Au[from 204Hg(n, p)]; measured T1/2, Eγ, Iγ, γγ, γβ-coin; deduced log ft. 202,204Hg deduced levels, J, π, γ-branching. Natural targets.

doi: 10.1016/0375-9474(72)90450-2
Citations: PlumX Metrics


1972PA24      Z.Phys. 254, 98 (1972)

A.Pakkanen, H.Helppi, T.Komppa, P.Puumalainen

Low-Lying Levels of 201Hg from the Decay of 201Au

RADIOACTIVITY 201Au; measured Eγ, Iγ, γγ-coin, Eβ, βγ-coin, Xγ-coin; deduced Q, log ft. 201Hg deduced levels, J, π, γ-branching. Ge(Li), Si(Li), NaI(Tl) detectors.

doi: 10.1007/BF01380058
Citations: PlumX Metrics


1972PA38      Comment.Phys.-Math. 42, 267 (1972)

A.Pakkanen, T.Komppa, H.Helppi

On Low-Lying Levels in Stable Even Mercury Isotopes

RADIOACTIVITY 202,204Au; measured T1/2. 202,204Hg deduced levels.


1971KO03      Nucl.Phys. A163, 513 (1971)

T.Komppa, A.Pakkanen, J.Kantele

Reinvestigation of the Decay of 200Tl

RADIOACTIVITY 200Tl[from 197Au(α, n), Hg(d, xn)]; measured Eγ, Iγ, γγ-coin; deduced log ft. 200Hg deduced levels, J, π, γ-branching. Natural targets.

doi: 10.1016/0375-9474(71)90505-7
Citations: PlumX Metrics


1971PA06      Nucl.Phys. A172, 193 (1971)

A.Pakkanen

Decay of 1.9 h 198mTl and 5.3 h 198gTl to Levels in 198Hg

RADIOACTIVITY 198Tl, 198mTl[from 198Hg(d, 2n)]; measured Eγ, Iγ, Xγ-delay, γγ-coin., γγ(θ); deduced log ft. 198Hg deduced levels, T1/2, J, π. Enriched target.

doi: 10.1016/0375-9474(71)90125-4
Citations: PlumX Metrics


1970BA62      Nucl.Phys. A158, 607 (1970)

P.A.Baedecker, A.Pakkanen, W.B.Walters

Decay of 117In Isomers and Search for a Low-Lying 9/2- Level in 117Sn

RADIOACTIVITY 117gIn, 117mIn, 117mSn[from 116Cd(n, γ), 117Cd(β-), 117In(β-)]; measured Eγ, Iγ, γγ-, βγ-coin, βγ-delay; deduced log ft. 117Sn deduced levels, T1/2, J, π. Enriched targets. Ge(Li), NaI(Tl), , plastic detectors.

doi: 10.1016/0375-9474(70)90209-5
Citations: PlumX Metrics


1969PA02      Z.Physik 218, 273 (1969)

A.Pakkanen, J.Kantele, P.Suominen

Levels in 208Pb Populated in the Decay of 208Tl(ThC'')

RADIOACTIVITY 208Tl [from 228Th decay]; measured Eγ, Iγ, γγ-coin. 208Pb deduced levels.

doi: 10.1007/BF01458409
Citations: PlumX Metrics


1967PA22      Ann.Acad.Sci.Fennicae, Ser.A VI, No.253 (1967)

A.Pakkanen

Excited States of 52Cr Populated in the Decay of 52m,gMn and 52V

NUCLEAR STRUCTURE 52V, 52Mn; measured not abstracted; deduced nuclear properties.


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