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NSR database version of April 11, 2024.

Search: Author = M.Piiparinen

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2010CA08      Phys.Rev. C 81, 031301 (2010)

L.Caballero, B.Rubio, P.Kleinheinz, S.W.Yates, A.Algora, A.Dewald, A.Fitzler, A.Gadea, J.Jolie, R.Julin, A.Linnemann, S.Lunardi, R.Menegazzo, O.Moller, E.Nacher, M.Piiparinen, J.Blomqvist

Two-phonon octupole excitation in 146Gd

NUCLEAR REACTIONS 144Sm(α, 2n), E=26.3 MeV; measured Eγ, Iγ, γγ-coin γ(θ), and linear polarization of γ rays. 146Gd; deduced levels, J, π, multipolarity, and two-phonon octupole excitations.

doi: 10.1103/PhysRevC.81.031301
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2004SH08      Phys.Rev. C 69, 024305 (2004)

T.Shizuma, S.Mitarai, G.Sletten, R.A.Bark, N.L.Gjorup, H.J.Jensen, M.Piiparinen, J.Wrzesinski, Y.R.Shimizu

High-spin structure in 185Os

NUCLEAR REACTIONS 176Yb(13C, 4n), E=65 MeV; measured Eγ, Iγ, γγ-coin. 185Os deduced high-spin levels, J, π, configurations, isomer T1/2, g(K)-g(R). Nordball array, potential energy surface calculations.

doi: 10.1103/PhysRevC.69.024305
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2002PA19      Eur.Phys.J. A 13, 435 (2002)

A.A.Pasternak, J.Srebrny, A.D.Efimov, V.M.Mikhailov, E.O.Podsvirova, Ch.Droste, T.Morek, S.Juutinen, G.B.Hagemann, M.Piiparinen, S.Tormanen, A.Virtanen

Lifetimes in the Ground-State Band and the Structure of 118Te

NUCLEAR REACTIONS 109Ag(13C, 3np), E=54 MeV; measured Eγ, Iγ, γγ-coin, DSA. 118Te deduced high-spin levels T1/2, B(E2). Nordball array, recoil-distance and lineshape methods. Comparison with interacting boson-fermion model results.

doi: 10.1140/epja/iepja1221
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2001SR01      Nucl.Phys. A683, 21 (2001)

J.Srebrny, Ch.Droste, T.Morek, K.Starosta, A.A.Wasilewski, A.A.Pasternak, E.O.Podsvirova, Yu.N.Lobach, G.H.Hagemann, S.Juutinen, M.Piiparinen, S.Tormanen, A.Virtanen

Transition Probabilities in Negative Parity Bands of the 119I Nucleus

NUCLEAR REACTIONS 109Ag(13C, 3n), E=54 MeV; measured Eγ, Iγ, γγ-coin, DSA. 119I deduced high-spin levels, J, π, T1/2, B(E2). Recoil-distance Doppler shift attenuation method. Comparisons with model predictions.

doi: 10.1016/S0375-9474(00)00457-7
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2000CO06      J.Phys.(London) G26, 23 (2000)

J.F.C.Cocks, P.A.Butler, K.J.Cann, P.T.Greenlees, G.D.Jones, J.F.Smith, P.M.Jones, R.Julin, S.Juutinen, D.Muller, M.Piiparinen, A.Savelius, R.Broda, B.Fornal, I.Ahmad, D.J.Blumenthal, M.P.Carpenter, B.Crowell, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, D.Nisius, S.Asztalos, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, F.S.Stephens, P.Bhattacharyya, C.T.Zhang

Multi-Nucleon Transfer Reactions as a Tool for Spectroscopy of Heavy Nuclei

NUCLEAR REACTIONS 232Th(56Fe, X), E=362 MeV; 232Th(86Kr, X), E=511 MeV; 232Th(136Xe, X), E=830, 833 MeV; measured Eγ, Iγ(θ), γγ-coin; deduced transfer products yields and highest angular momentum value. GAMMASPHERE and other Ge detector arrays.

doi: 10.1088/0954-3899/26/2/102
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2000JU01      Phys.Rev. C61, 014312 (2000)

S.Juutinen, A.Savelius, P.T.Greenlees, K.Helariutta, P.Jones, R.Julin, P.Jamsen, H.Kankaanpaa, M.Muikku, M.Piiparinen, S.Tormanen, M.Matsuzaki

Rotational Features of Vibrator Nucleus 118Te

NUCLEAR REACTIONS 104Ru(18O, 4n), E=65 MeV; 100Mo(22Ne, 4n), E=80 MeV; measured Eγ, Iγ, γγ-coin. 118Te deduced high-spin levels, J, π, configurations, B(M1)/B(E2).

doi: 10.1103/PhysRevC.61.014312
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2000PA37      Acta Phys.Pol. B31, 429 (2000)

A.A.Pasternak, E.O.Podsvirova, J.Srebrny, Ch.Droste, T.Morek, K.Starosta, G.H.Hagemann, S.Juutinen, M.Piiparinen, S.Tormanen, A.Virtanen, Yu.N.Lobach

Conflict Coupling in the π(g9/2)-1 Bands of 119I

NUCLEAR REACTIONS 109Ag(13C, 3n), E=54 MeV; measured Eγ, Iγ, γγ-coin, DSA. 119I deduced high-spin levels, J, π, T1/2, B(E2), B(M1). Nordball array. Comparisons with model predictions.


2000SR04      Acta Phys.Hung.N.S. 12, 217 (2000)

J.Srebrny, A.A.Pasternak, Ch.Droste, T.Morek, K.Starosta, E.O.Podsvirova, Yu.N.Lobach, G.Hagemann, S.Juutinen, M.Piiparinen, S.Tormanen, A.Virtanen, A.A.Wasilewski

Lifetime Measurements and the Nonaxial Deformation in 119I

NUCLEAR REACTIONS 109Ag(13C, 3n), E not given; measured Doppler-shifted Eγ, Iγ, γγ-coin. 119I deduced high-spin levels J, π, T1/2, B(E2), nonaxial deformation. Nordball array, recoil-distance and lineshape techniques. Level systematics in neighboring nuclides discussed.


1999AX02      Eur.Phys.J. A 6, 175 (1999)

A.Axelsson, J.Nyberg, A.Atac, M.H.Bergstrom, B.Herskind, G.de Angelis, T.Back, D.Bazzacco, A.Bracco, F.Camera, B.Cederwall, C.Fahlander, J.H.Huijnen, S.Lunardi, B.Million, D.R.Napoli, J.Persson, M.Piiparinen, C.Rossi Alvarez, G.Sletten, P.G.Varmette, M.Weiszflog

Excited Superdeformed Band in 143Eu

NUCLEAR REACTIONS 110Pd(37Cl, 4n), E=160, 165 MeV; measured Eγ, Iγ, γγ-coin. 143Eu deduced excited superdeformed band transitions, decay-out features. Euroball array. Cranked mean-field calculations.

doi: 10.1007/s100500050332
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1999HE32      Eur.Phys.J. A 6, 289 (1999)

K.Helariutta, J.F.C.Cocks, T.Enqvist, P.T.Greenlees, P.Jones, R.Julin, S.Juutinen, P.Jamsen, H.Kankaanpaa, H.Kettunen, P.Kuusiniemi, M.Leino, M.Muikku, M.Piiparinen, P.Rahkila, A.Savelius, W.H.Trzaska, S.Tormanen, J.Uusitalo, R.G.Allatt, P.A.Butler, R.D.Page, M.Kapusta

Gamma-Ray Spectroscopy of 192-195Po

NUCLEAR REACTIONS 160Dy(36Ar, 4n), (36Ar, 2n), (36Ar, n), E=178, 196 MeV; 170Yb(28Si, 4n), (28Si, 3n), E=143 MeV; 171Yb(28Si, 5n), (28Si, 4n), E=155 MeV; 166Er(32S, 4n), E=172 MeV; measured prompt, delayed Eγ, Iγ, γγ-, (recoil)γ-coin. 192,193,194,195Po deduced levels, J, π, configurations, collective features. Level systematics of Po isotopes discussed. Mass separator, recoil decay tagging.

doi: 10.1007/s100500050347
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1999LO12      Acta Phys.Pol. B30, 1273 (1999)

Yu.N.Lobach, A.A.Pasternak, J.Srebrny, Ch.Droste, G.B.Hagemann, S.Juutinen, T.Morek, M.Piiparinen, E.O.Podsvirova, S.Tormanen, K.Starosta, A.Virtanen, A.A.Wasilewski

Lifetime Measurement in the Yrast Band of 119I

NUCLEAR REACTIONS 109Ag(13C, 3n), E=54 MeV; measured Eγ, Iγ(θ), DSA. 119I deduced high-spin levels T1/2. Recoil Distance Doppler Shape Attenuation Method, Nordball array.


1998BA20      Nucl.Phys. A630, 603 (1998)

R.A.Bark, H.Carlsson, S.J.Freeman, G.B.Hagemann, F.Ingebretsen, H.J.Jensen, T.Lonnroth, M.J.Piiparinen, I.Ragnarsson, H.Ryde, H.Schnack-Petersen, P.B.Semmes, P.O.Tjom

Band Structures and Proton-Neutron Interactions in 174Ta

NUCLEAR REACTIONS 160Gd(19F, 5n), E=103, 105 MeV; measured Eγ, Iγ, γγ-coin. 174Ta deduced high-spin levels, J, π, rotational band structure, configurations, Nilsson assignments, alignments, B(M1)/B(E2) ratios, signature inversion, proton-neutron interactions, crossing frequencies.

doi: 10.1016/S0375-9474(97)00650-7
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1998BB02      Nucl.Phys. A644, 29 (1998)

R.A.Bark, H.Carlsson, S.J.Freeman, G.B.Hagemann, F.Ingebretsen, H.J.Jensen, T.Lonnroth, S.Mitarai, M.J.Piiparinen, H.Ryde, H.Schnack-Petersen, P.O.Tjom

High-Spin States in 171Lu

NUCLEAR REACTIONS 160Gd(19F, 4nα), E=103, 105 MeV; measured Eγ, Iγ, γγ-, αγ-coin. 171Lu deduced high-spin levels, J, π, rotational band structure, configurations, alignments, B(M1)/B(E2) ratios, B(E1). Signature inversion, crossing frequencies.

doi: 10.1016/S0375-9474(98)00583-1
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1998SA30      Nucl.Phys. A637, 491 (1998)

A.Savelius, S.Juutinen, K.Helariutta, P.Jones, R.Julin, P.Jamsen, M.Muikku, M.Piiparinen, J.Suhonen, S.Tormanen, R.Wyss, P.T.Greenlees, P.Simecek, D.Cutoiu

Coexisting Structures in 115Sn and 116Sn

NUCLEAR REACTIONS 104Ru(18O, 3nα), (18O, 2nα), E=65 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 115,116Sn deduced high-spin levels, J, π. Enriched target, Compton suppressed Ge detectors, charged-particle Si detectors. Shell model, microscopic quasiparticle-phonon model, total Routhian surface calculations.

doi: 10.1016/S0375-9474(98)80004-3
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1997CO21      Z.Phys. A358, 241 (1997)

R.Collatz, P.Kleinheinz, B.Rubio, J.L.Tain, M.Piiparinen, H.Keller, R.Kirchner, O.Klepper, E.Roeckl, D.Schardt

Gamow-Teller Strength from the β+ Decay of 66147Dy81

RADIOACTIVITY 147Dy(β+); measured Eγ, Iγ; deduced Gamow-Teller strength functions. 147Tb levels deduced feeding Iβ. Total absorption spectrometer.

doi: 10.1007/s002180050319
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1997JU01      Nucl.Phys. A617, 74 (1997)

S.Juutinen, E.Makela, R.Julin, M.Piiparinen, S.Tormanen, A.Virtanen, E.Adamides, A.Atac, J.Blomqvist, B.Cederwall, C.Fahlander, E.Ideguchi, A.Johnson, W.Karczmarczyk, J.Kownacki, S.Mitarai, L.-O.Norlin, J.Nyberg, R.Schubart, D.Seweryniak, G.Sletten

Coexistence of Collective and Quasiparticle Structure in 106Sn and 108Sn

NUCLEAR REACTIONS 54Fe(58Ni, 4p), 54Fe(58Ni, 2pα), E=270 MeV; measured Eγ, Iγ, γγ(particle)-coin, Iγ(θ) ratios. 108,106Sn deduced levels, J, π. Enriched targets, 15 Ge-BGO spectrometers, 30 BaF2 crystals, 4π charged particle detection array, 1π neutron wall.

doi: 10.1016/S0375-9474(96)00493-9
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1997JU03      Acta Phys.Pol. B28, 269 (1997)

R.Julin, R.G.Allatt, P.A.Butler, K.J.Cann, J.F.C.Cocks, T.Enqvist, P.T.Greenlees, K.Helariutta, G.D.Jones, P.M.Jones, S.Juutinen, P.Jamsen, H.Kankaanpaa, P.Kuusiniemi, M.Leino, M.Muikku, R.D.Page, M.Piiparinen, A.Savelius, W.H.Trzaska, S.Tormanen, J.Uusitalo

Studies of Neutron-Rich and Heavy Nuclei with the New In-Beam Facilities at JYFL

NUCLEAR REACTIONS 116Cd(84Kr, X), E=370 MeV; measured Eγ, Iγ, γγ-coin. 114,116Cd deduced levels, J, π. 170Yb(28Si, 4n), 160Dy(36Ar, 4n), E not given; measured recoil α-decay associated Eγ, Iγ, γγ-coin. 192,194Po deduced levels, J, π. 208Pb(18O, 4n), E=95 MeV; measured E(ce), I(ce), (ce)(ce)-coin. 222Th deduced levels, J, π.


1997KO51      Nucl.Phys. A627, 239 (1997)

J.Kownacki, M.Lipoglavsek, L.-O.Norlin, J.Nyberg, D.Seweryniak, J.Cederkall, M.Palacz, J.Persson, A.Atac, B.Cederwall, C.Fahlander, H.Grawe, A.Johnson, A.Kerek, W.Klamra, M.Karny, F.Liden, A.Likar, R.Schubart, R.Wyss, E.Adamides, G.de Angelis, P.Bednarczyk, Zs.Dombradi, D.Foltescu, M.Gorska, E.Ideguchi, D.Jerrestam, R.Julin, S.Juutinen, S.Mitarai, E.Makela, G.Perez, M.Piiparinen, M.de Poli, H.A.Roth, T.Shizuma, O.Skeppstedt, G.Sletten, S.Tormanen, T.Vass, A.Virtanen

High-Spin Studies of the Neutron Deficient Nuclei 103In, 105In, 107In, and 109In

NUCLEAR REACTIONS 50Cr(58Ni, 2n3p), (58Ni, pα), (58Ni, 3p), E=261 MeV; 54Fe(58Ni, p2α), (58Ni, 5p), (58Ni, 3pα), E=270 MeV; 92Mo(19F, 2p), E=95 MeV; measured Eγ, Iγ(θ), γγ-coin. 103,105,107,109In deduced high-spin levels, J, π, configuration. Shell model, hole-core coupling scheme.

doi: 10.1016/S0375-9474(97)00479-X
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1997LE26      Phys.Lett. 409B, 71 (1997)

S.Leoni, B.Herskind, T.Dossing, A.Atac, I.G.Bearden, M.Bergstrom, C.Fahlander, G.B.Hagemann, A.Holm, D.T.Joss, M.Lipoglavsek, A.Maj, P.J.Nolan, J.Nyberg, M.Palacz, E.S.Paul, J.Persson, M.J.Piiparinen, N.Redon, A.T.Semple, G.Sletten, J.P.Vivien

Four Independent Decay Properties in the Super-Deformed Well of 143Eu

NUCLEAR REACTIONS 110Pd(37Cl, 4n), E=160 MeV; measured Eγ, Iγ, γγ-coin. 143Eu deduced superdeformed level density, rotational damping width, B(E2), feeding properties. Statistical model.

doi: 10.1016/S0370-2693(97)00869-1
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1997PA34      Nucl.Phys. A627, 162 (1997)

M.Palacz, D.Seweryniak, A.Atac, J.Blomqvist, B.Cederwall, C.Fahlander, A.Johnson, A.Kerek, J.Kownacki, L.-O.Norlin, J.Nyberg, R.Wyss, E.Ideguchi, R.Julin, S.Juutinen, S.Mitarai, M.Piiparinen, G.Sletten, S.Tormanen, A.Virtanen

In-Beam γ-Ray Spectroscopy of 56Co

NUCLEAR REACTIONS 32S(27Al, n2p), E=95 MeV; measured Eγ, Iγ, γγ-coin. 56Co deduced high-spin levels, J, π, configurations, particle-hole excitations. Shell model calculations.

doi: 10.1016/S0375-9474(97)00507-1
Citations: PlumX Metrics


1997SA29      Acta Phys.Pol. B28, 173 (1997)

A.Savelius, K.Helariutta, P.M.Jones, R.Julin, S.Juutinen, P.Jamsen, M.Muikku, M.Piiparinen, S.Tormanen, P.Simecek, D.Cutoiu

Coexisting Structures in 116Sn from Weak Fusion-Evaporation Reactions

NUCLEAR REACTIONS 104Ru(18O, 2nα), E=65 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin. 116Sn deduced high-spin levels, J, π, configurations.


1997SH37      Z.Phys. A359, 229 (1997)

T.Shizuma, G.Sletten, R.A.Bark, N.L.Gjorup, H.J.Jensen, S.Mitarai, M.Piiparinen, J.Wrzesinski

New Isomeric States in the Stable Nucleus 185Re

NUCLEAR REACTIONS 176Yb(13C, 3np), E=65 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DCO. 185Re high-spin levels deduced J, π, configurations, isomeric states T1/2.

doi: 10.1007/s002180050393
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1997TO03      Nucl.Phys. A613, 282 (1997)

S.Tormanen, S.Juutinen, R.Julin, A.Lampinen, E.Makela, M.Piiparinen, A.Savelius, A.Virtanen, G.B.Hagemann, Ch.Droste, W.Karczmarczyk, T.Morek, J.Srebrny, K.Starosta

Coexisting Structure in 119I

NUCLEAR REACTIONS 109Ag(13C, 3n), E=54 MeV; 108Pd(15N, 4n), E=71 MeV; measured Eγ, Iγ, γ(θ), γγ-coin. 119I deduced high-spin levels, J, π, γ-branching, B(λ) ratios, experimental routhians, aligned angular momenta. Enriched targets, array of Compton-suppressed Ge detectors.

doi: 10.1016/S0375-9474(96)00439-3
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1996AT03      Z.Phys. A355, 343 (1996)

A.Atac, A.Axelsson, I.G.Bearden, M.H.Bergstrom, J.Nyberg, M.Palacz, J.Persson, M.Piiparinen, C.Fahlander, G.B.Hagemann, B.Herskind, D.T.Joss, S.Leoni, M.Lipoglavsek, P.J.Nolan, E.S.Paul, N.Redon, L.Roos, A.T.Semple, G.Sletten, K.Tucek

Single-Step Link of the Superdeformed Band in 143Eu

NUCLEAR REACTIONS 110Pd(37Cl, 4n), E=160 MeV; measured γγ-coin. 143Eu deduced superdeformed band decay associated transition, related features.

doi: 10.1007/s002180050120
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1996CO13      Acta Phys.Pol. B27, 213 (1996)

J.F.C.Cocks, D.J.Blumenthal, R.Broda, P.A.Butler, K.J.Cann, B.Crowell, B.Fornal, R.F.Janssens, G.D.Jones, P.M.Jones, R.Julin, S.Juutinen, T.L.Khoo, T.Lauritsen, D.Muller, D.Nisius, M.Piiparinen, A.Savelius, J.F.Smith

Population of Reflection-Asymmetric Nuclei by Multi-Nucleon Transfer Reactions

NUCLEAR REACTIONS 232Th(136Xe, X), E=830 MeV; 232Th(56Fe, X), E=362 MeV; measured γγ-coin; deduced fragment production yield vs mass, nucleons transfer mechanism.


1996HE22      Phys.Rev. C54, R2799 (1996)

K.Helariutta, T.Enqvist, P.Jones, R.Julin, S.Juutinen, P.Jamsen, H.Kankaanpaa, P.Kuusiniemi, M.Leino, M.Muikku, M.Piiparinen, A.Savelius, W.H.Trzaska, S.Tormanen, J.Uusitalo, R.G.Allatt, P.A.Butler, P.T.Greenlees, R.D.Page

First Observation of Excited States in 192Po

NUCLEAR REACTIONS 160Dy(36Ar, 4n), E=178 MeV; measured Eα, Iα, Eγ, Iγ, (recoil)γ-coin. 192Po deduced levels, possible J, π, band structure.

doi: 10.1103/PhysRevC.54.R2799
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1996JE02      Nucl.Phys. A603, 203 (1996)

D.Jerrestam, W.Klamra, B.Fogelberg, R.Bark, A.Gizon, J.Gizon, E.Ideguchi, S.Mitarai, M.Piiparinen, G.Sletten

High Spin Bands in 102Pd

NUCLEAR REACTIONS, ICPND 76Ge(34S, 4nα), E=148 MeV; measured γγ-coin, γ yields, γγ(θ). 102Pd deduced high-spin levels, J, π, band structure. Spin diabatic Nilsson model calculations.

doi: 10.1016/0375-9474(96)00120-0
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1996JU03      Phys.Lett. 386B, 80 (1996)

S.Juutinen, R.Julin, P.Jones, A.Lampinen, G.Lhersonneau, E.Makela, M.Piiparinen, A.Savelius, S.Tormanen

Band Structures in 114Cd and 116Cd from Heavy-Ion Collisions

NUCLEAR REACTIONS 116Cd(84Kr, X), E=320 MeV; measured γγ-coin, Eγ, Iγ. 116,114Cd deduced levels, J, π, band structure.

doi: 10.1016/0370-2693(96)00967-7
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1996KO23      Acta Phys.Pol. B27, 87 (1996)

J.Kownacki, A.Atac, J.Cederkall, B.Cederwall, C.Fahlander, H.Grawe, E.Ideguchi, A.Johnson, R.Julin, S.Juutinen, M.Karny, A.Kerek, W.Klamra, A.Likar, M.Lipoglavsek, L.-O.Norlin, J.Nyberg, S.Mitarai, E.Makela, M.Palacz, J.Persson, M.Piiparinen, D.Seweryniak, R.Schubart, G.Sletten, S.Tormanen, A.Virtanen, R.Wyss

The Isospin Dependent p-n Multiplets in the Region of Doubly Magic 100Sn

NUCLEAR REACTIONS 50Cr, 54Fe(58Ni, X), E=261, 270 MeV; measured γγ-coin, γγ(θ). 102,104,106,108In deduced levels, configurations. Information on 99Cd, 101In, 106,107,108Sb, 108,109Te also obtained.


1996LE07      Phys.Rev.Lett. 76, 3281 (1996)

S.Leoni, B.Herskind, T.Dossing, A.Atac, M.Piiparinen

Observation of an Intense Quasicontinuum of Superdeformed Rotational Transitions in 143Eu

NUCLEAR REACTIONS 110Pd(37Cl, 4n), E=160 MeV; measured γγ-coin. 143Eu deduced intense quasicontinuum of superdeformed rotational transitions.

doi: 10.1103/PhysRevLett.76.3281
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1996LH05      Nucl.Instrum.Methods Phys.Res. A373, 415 (1996)

G.Lhersonneau, P.A.Butler, J.F.C.Cocks, A.Honkanen, M.Huhta, P.M.Jones, A.Jokinen, R.Julin, S.Juutinen, A.Lampinen, D.Muller, E.Makela, M.Oinonen, J.M.Parmonen, M.Piiparinen, A.Savelius, J.F.Smith, S.Tormanen, A.Virtanen, J.Aysto

High-Spin Isomers in Neutron-RIch Nuclei Studied with TARDIS-Array at IGISOL

RADIOACTIVITY 97Y(β-) [from 232Th(p, X), E=25 MeV]; measured Eγ, Iγ, γγ-coin. 97Zr deduced transitions. Compton suppressed detector array TARDIS.

doi: 10.1016/0168-9002(96)00072-1
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1996PI11      Nucl.Phys. A605, 191 (1996)

M.Piiparinen, A.Atac, J.Blomqvist, G.B.Hagemann, B.Herskind, R.Julin, S.Juutinen, A.Lampinen, J.Nyberg, G.Sletten, P.Tikkanen, S.Tormanen, A.Virtanen, R.Wyss

High-Spin Spectroscopy of the 142Eu, 143Eu and 144Eu Nuclei

NUCLEAR REACTIONS 110Pd(37Cl, 3n), (37Cl, 4n), (37Cl, 5n), E=140, 160 MeV; measured Eγ, Iγ(θ), γγ-coin, γγ(t), RDM, DSA. 142,143,144Eu deduced high-spin levels, J, π, T1/2, B(M1), B(E2). Enriched targets, array of Compton-suppressed Ge detectors, 4π BaF2 ball, plunger. Shell model, total Routhian surface calculations.

doi: 10.1016/0375-9474(96)00157-1
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1996PI12      Z.Phys. A356, 111 (1996)

M.Piiparinen, I.Kaunisto, R.Julin, S.Juutinen, A.Lampinen, E.Makela, A.Savelius, S.Tormanen, J.Blomqvist

High-Spin Levels in 63145Eu82

NUCLEAR REACTIONS 127I(22Ne, 4n), E=90-95 MeV; measured γγ-coin. 145Eu deduced high-spin levels, J, π, γ-branching, configuration.

doi: 10.1007/s002180050155
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1996ZH09      Phys.Rev. C54, R1 (1996)

C.T.Zhang, P.Kleinheinz, M.Piiparinen, R.Broda, R.Collatz, P.J.Daly, K.H.Maier, R.Menegazzo, G.Sletten, J.Styczen, J.Blomqvist

Complete Valence Particle Yrast Lines in N = 84 Nuclei Above Gadolinium

NUCLEAR STRUCTURE 151Ho, 153Tm, 152Er, 154Yb, 149Tb, 150Dy; calculated levels. Parameter-free shell model, empirical one-, two-body matrix elements.

doi: 10.1103/PhysRevC.54.R1
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1995CA27      Nucl.Phys. A592, 89 (1995)

H.Carlsson, R.A.Bark, L.P.Ekstrom, A.Nordlund, H.Ryde, G.B.Hagemann, S.J.Freeman, H.J.Jensen, T.Lonnroth, M.J.Piiparinen, H.Schnack-Petersen, F.Ingebretsen, P.O.Tjom

Electromagnetic Properties and High-Spin States in 173Ta

NUCLEAR REACTIONS 160Gd(19F, 6n), E=103, 105 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 173Ta deduced high-spin levels, J, π rotational band structure, configurations, alignments, B(M1)/B(E2) ratios, B(E1) values. Enriched target, array of Compton-suppressed Ge detectors.

doi: 10.1016/0375-9474(95)00210-R
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1995CE01      Nucl.Phys. A581, 189 (1995)

J.Cederkall, B.Cederwall, A.Johnson, D.Seweryniak, J.Nyberg, L.-O.Norlin, J.Blomqvist, C.Fahlander, R.Wyss, A.Kerek, J.Kownacki, A.Atac, E.Adamides, E.Ideguchi, R.Julin, S.Juutinen, W.Karczmarczyk, S.Mitarai, M.Piiparinen, R.Schubart, G.Sletten, S.Tormanen, A.Virtanen

First Observation of Excited States in 108Sb

NUCLEAR REACTIONS 54Fe(58Ni, n3p), E=270 MeV; measured Eγ, γγ(θ) (γγ)(particle)-coin. 108Sb deduced high-spin levels, B(M1)/B(E2) ratios, configurations. Total Routhian surfaces calculations.

doi: 10.1016/0375-9474(94)00443-Q
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1995DO13      Phys.Rev. C51, 2394 (1995)

Zs.Dombradi, B.M.Nyako, G.E.Perez, A.Algora, C.Fahlander, D.Seweryniak, J.Nyberg, A.Atac, B.Cederwall, A.Johnson, A.Kerek, J.Kownacki, L.-O.Norlin, R.Wyss, E.Adamides, E.Ideguchi, R.Julin, S.Juutinen, W.Karczmarczyk, S.Mitarai, M.Piiparinen, R.Schubart, G.Sletten, S.Tormanen, A.Virtanen

High-Spin Spectroscopy of 109Te

NUCLEAR REACTIONS 54Fe(58Ni, n2p), E=270 MeV; measured γγ-coin, Eγ, Iγ. 109Te deduced levels, J, π, high-spin band structure, configurations. Particle-vibration coupling model, total Routhian surface calculations.

doi: 10.1103/PhysRevC.51.2394
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1995FA18      Phys.Scr. T56, 243 (1995)

C.Fahlander, A.Atac, J.Blomqvist, A.Backlin, A.Hakansson, L.-O.Norlin, J.Nyberg, M.Piiparinen, D.Seweryniak

On the 2485 keV γ-Ray Line in 208Pb

NUCLEAR REACTIONS 208Pb(84Kr, 84Kr'), E=5 MeV/nucleon; measured γγ-coin; deduced evidence for 2.485 MeV γ-ray. 208Pb deduced no definitive evidence for transition.

doi: 10.1088/0031-8949/1995/T56/038
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1995FA19      Phys.Scr. T56, 245 (1995)

B.Fant, B.Cederwall, J.Cederkall, L.O.Norlin, R.Wyss, P.Fallon, C.W.Beausang, P.A.Butler, J.W.Roberts, A.M.Bruce, D.M.Cullen, S.M.Mullins, R.J.Poynter, R.Wadsworth, M.A.Riley, W.Korten, M.J.Piiparinen

Shell Structure and Shape Coexistence in 195Pb

NUCLEAR REACTIONS 164Dy(36S, 5n), E=170 MeV; 164Dy(36S, 4n), E=160 MeV; measured Eγ, Iγ, γγ-coin, DCO ratios. 195Pb deduced high-spin levels, J, π, dipole bands, γ-multipolarity, deformation, shape related features.

doi: 10.1088/0031-8949/1995/T56/039
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1995FO02      Nucl.Phys. A584, 149 (1995)

S.A.Forbes, A.Atac, G.B.Hagemann, B.Herskind, S.M.Mullins, P.J.Nolan, J.Nyberg, M.J.Piiparinen, G.Sletten, R.Wadsworth

Determination of the Intrinsic Quadrupole Moment of the Superdeformed Band in 143Eu

NUCLEAR REACTIONS 110Pd(37Cl, 4n), E=160 MeV; measured Eγ, Doppler shifts. 143Eu deduced high-spin level superdeformed band T1/2, intrinsic quadrupole moment, β2.

doi: 10.1016/0375-9474(94)00498-C
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1995JE04      Nucl.Phys. A593, 162 (1995)

D.Jerrestam, B.Fogelberg, A.Kerek, W.Klamra, F.Liden, L.O.Norlin, J.Kownacki, D.Seweryniak, Z.Zelazny, C.Fahlander, J.Nyberg, M.Guttormsen, J.Rekstad, T.Spedstad-Tveter, A.Gizon, J.Gizon, R.Bark, G.Sletten, M.Piiparinen, Z.Preibisz, T.F.Thorsteinsen, E.Ideguchi, S.Mitarai

In-Beam Spectroscopic Studies of the Nucleus 105Cd

NUCLEAR REACTIONS 106Cd(p, np), E=30 MeV; 106Cd(3He, 2n2p), E=75 MeV; 92Zr(16O, 3n), E=77 MeV; 76Ge(34S, 5n), E=148 MeV; measured γγ, γγ(particle)-coin, Eγ, Iγ, DCO ratios. 105Cd deduced levels, J, π, band structure, configuration. Compton suppressed Ge-detector array. Model calculations.

doi: 10.1016/0375-9474(95)00334-W
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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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1995KL02      Z.Phys. A352, 117 (1995)

W.Klamra, E.Adamides, A.Atac, R.A.Bark, B.Cederwall, C.Fahlander, B.Fogelberg, A.Gizon, J.Gizon, H.Grawe, E.Ideguchi, D.Jerrestam, A.Johnson, R.Julin, S.Juutinen, W.Kaczmarczyk, A.Kerek, J.Kownacki, S.Mitarai, L.O.Norlin, J.Nyberg, M.Piiparinen, R.Schubart, D.Seweryniak, G.Sletten, S.Tormanen, A.Virtanen, R.Wyss

High Spin Band Structures in 104Cd

NUCLEAR REACTIONS 92Zr(16O, xn), E=83 MeV; 76Ge(34S, xn), E=148 MeV; 54Fe(58Ni, X), E=270 MeV; measured γγ-coin. 104Cd deduced high-spin levels, J, π, configuration, band structure.

doi: 10.1007/BF01298895
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1995LE20      Nucl.Phys. A587, 513 (1995)

S.Leoni, B.Herskind, T.Dossing, P.Rasmussen, P.Bosetti, A.Bracco, S.Frattini, M.Matsuo, N.Nica, E.Vigezzi, A.Atac, M.Bergstrom, A.Brockstedt, H.Carlsson, P.Ekstrom, F.Ingebretsen, H.J.Jensen, J.Jongman, G.B.Hagemann, R.M.Lieder, T.Lonnroth, A.Maj, B.Million, A.Nordlund, J.Nyberg, M.Piiparinen, H.Ryde, D.C.Radford, M.Sugawara, P.O.Tjom, A.Virtanen

The Distribution of the Rotational Transition Strength in Warm Nuclei Studied through γ-Ray Correlations

NUCLEAR REACTIONS 130Te(37Cl, 5n), (37Cl, 4n), E=166 MeV; measured γγγ-coin, γ-multiplicity. 162,163Tm deduced rotational motion damping, transition strength.

doi: 10.1016/0375-9474(95)00024-U
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1995LE31      Phys.Lett. 353B, 179 (1995)

S.Leoni, B.Herskind, T.Dossing, K.Yoshida, M.Matsuo, A.Atac, G.B.Hagemann, F.Ingebretsen, H.J.Jensen, R.M.Lieder, G.V.Marti, N.Nica, J.Nyberg, M.Piiparinen, H.Schnare, G.Sletten, K.Strahle, M.Sugawara, P.O.Tjom, A.Virtanen

A Finite Number of Regular Rotational Bands in the Superdeformed Well of 143Eu

NUCLEAR REACTIONS 110Pd(37Cl, 4n), E=160 MeV; measured (Eγ-Eγ)-coin, Eγ, Iγ. 143Eu deduced superdeformed bands. Fluctuation analysis model.

doi: 10.1016/0370-2693(95)00549-Z
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1995MA76      Phys.Scr. T56, 280 (1995)

E.Makela, A.Virtanen, R.Julin, S.Juutinen, M.Piiparinen, S.Tormanen, D.Seweryniak, A.Atac, B.Cederwall, C.Fahlander, E.Ideguchi, A.Johnson, W.Karczmarczyk, J.Kownacki, S.Mitarai, L.-O.Norlin, J.Nyberg, R.Schubart, G.Sletten

Coexistence of Collective and Quasiparticle Structures in 106,108Sn Nuclei

NUCLEAR REACTIONS 54Fe(58Ni, X), E=270 MeV; measured (particle)γγ-coin data, DCO ratios. 108,106Sn deduced high-spin levels, J, π, collective quasiparticle structures coexistence features.

NUCLEAR STRUCTURE 104,106,108,110,112,114,116,118Sn; analyzed level systematics.


1995NE09      Nucl.Phys. A595, 499 (1995)

M.Neffgen, G.Baldsiefen, S.Frauendorf, H.Grawe, J.Heese, H.Hubel, H.Kluge, A.Korichi, W.Korten, K.H.Maier, D.Mehta, J.Meng, N.Nenoff, M.Piiparinen, M.Schonhofer, R.Schubart, U.J.van Severen, N.Singh, G.Sletten, B.V.T.Rao, P.Willsau

Lifetimes of Shears Bands in 199Pb

NUCLEAR REACTIONS 186W(18O, 5n), E=92, 94 MeV; measured γγ-coin, DSA, Doppler shifts. 199Pb levels deduced T1/2, B(λ). Compton-suppressed Ge detectors. Tilted-axis cranking calculations.

doi: 10.1016/0375-9474(95)00375-4
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1995PI09      Phys.Rev. C52, R1 (1995)

M.Piiparinen, A.Atac, S.J.Freeman, R.Julin, S.Juutinen, A.Lampinen, T.Lonnroth, D.Muller, J.Nyberg, G.Sletten, P.Tikkanen, S.Tormanen, A.Virtanen, C.T.Zhang, R.Wyss

Collectivity in ' Spherical ' 143,144Eu Nuclei

NUCLEAR REACTIONS 110Pd(37Cl, 3n), (37Cl, 4n), E=140 MeV; measured Eγ, Iγ(θ), γγ-coin, γγ(t). 143,144Eu deduced high-spin levels, J, π, T1/2, B(E2) values, band structure, shape features. Enriched targets, array of Compton-suppressed Ge dedtectors, 4π BaF2 ball, plunger. Total Routhian surface calculations.

doi: 10.1103/PhysRevC.52.R1
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1995SE08      Nucl.Phys. A589, 175 (1995)

D.Seweryniak, J.Kownacki, L.-O.Norlin, C.Fahlander, A.Atac, J.Blomqvist, B.Cederwall, H.Grawe, A.Johnson, A.Kerek, J.Nyberg, R.Schubart, E.Adamides, E.Ideguchi, R.Julin, S.Juutinen, W.Karczmarczyk, S.Mitarai, M.Piiparinen, G.Sletten, S.Tormanen, A.Virtanen

In-Beam Study of 102In, 104In and 106In

NUCLEAR REACTIONS 54Fe(58Ni, np2α), (58Ni, n3pα), (58Ni, n5p), E=270 MeV; measured Eγ, Iγ, γγ(θ), γγ-coin. 102,104,106In deduced levels, J, π. Enriched target, array of Compton-suppressed Ge detectors, charged-particle detectors, neutron detectors. Shell-model calculations.

doi: 10.1016/0375-9474(95)00060-E
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1995SH27      Nucl.Phys. A593, 247 (1995)

T.Shizuma, S.Mitarai, G.Sletten, R.A.Bark, N.L.Gjorup, H.J.Jensen, J.Wrzesinski, M.Piiparinen

High-Spin States in 182W

NUCLEAR REACTIONS 176Yb(13C, 3nα), E=65 MeV; measured (particle)γγ-coin, Eγ, Iγ. 182W deduced high-spin levels, J, π, T1/2, ((g(K)-g(R))/Q0), B(M1)/B(E2). Enriched target, array of Compton-suppressed hyperpure Ge detectors, particle-multiplicity filter.

doi: 10.1016/0375-9474(95)00376-C
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1995WA21      Nucl.Phys. A591, 323 (1995)

S.J.Warburton, R.Chapman, J.Copnell, F.Liden, A.G.Smith, J.P.Sweeney, D.M.Thompson, S.J.Freeman, G.B.Hagemann, M.Piiparinen

Configuration-Dependent Transition Rates in 161Tm

NUCLEAR REACTIONS 128Te(37Cl, 4n), E=167 MeV; measured γγ-coin, RDM. 161Tm deduced high-spin levels, J, π, quasiparticle alignments, routhians, T1/2, δ, B(λ), ratios. Enriched targets, array of Compton-suppressed Ge detectors, inner ball of barium fluoride detectors, recoil distance methods.

doi: 10.1016/0375-9474(95)00179-5
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1994AT01      Z.Phys. A348, 251 (1994)

A.Atac, S.Petzold, J.Nyberg, M.Piiparinen, C.Rossi Alvarez, G.de Angelis, D.de Acuna, R.A.Bark, D.Bazzacco, G.Lo Bianco, R.Burch, A.Buscemi, B.Herskind, S.Leoni, S.Lunardi, G.Maron, B.Million, D.Napoli, M.de Poli, J.Rico, G.Sletten, G.Vedovato

Superdeformation in 142Eu

NUCLEAR REACTIONS 110Pd(37Cl, 5n), E=160 MeV; measured γγ-coin, Eγ, Iγ. 142Eu deduced high-spin levels, J, π, superdeformed band, moment of inertia. Cranked shell model comparison.


1994DO22      Z.Phys. A350, 3 (1994)

Zs.Dombradi, B.M.Nyako, G.E.Perez, A.Algora, C.Fahlander, D.Seweryniak, J.Nyberg, A.Atac, B.Cederwall, A.Johnson, A.Kerek, J.Kownacki, L.-O.Norlin, R.Wyss, E.Adamides, E.Ideguchi, R.Julin, S.Juutinen, W.Karczmarczyk, S.Mitarai, M.Piiparinen, R.Schubart, G.Sletten, S.Tormanen, A.Virtanen

Identification and Spectroscopy of the 108Te Nucleus

NUCLEAR REACTIONS 54Fe(58Ni, X), E=270 MeV; measured γγ(particle)-coin, Iγ. 108Te deduced high-spin levels, J, π, γ-multipolarity.


1994FA12      Nucl.Phys. A577, 773 (1994)

C.Fahlander, D.Seweryniak, J.Nyberg, Zs.Dombradi, G.E.Perez, M.Jozsa, B.M.Nyako, A.Atac, B.Cederwall, A.Johnson, A.Kerek, J.Kownacki, L.-O.Norlin, R.Wyss, E.Adamides, E.Ideguchi, R.Julin, S.Juutinen, W.Karczmarczyk, S.Mitarai, M.Piiparinen, R.Schubart, G.Sletten, S.Tormanen, A.Virtanen

In-Beam Spectroscopy of 110Te

NUCLEAR REACTIONS 54Fe(58Ni, 2p), E=270 MeV; measured Eγ, Iγ, Iγγ(θ), γγ-coin. 110Te deduced high-spin levels, J, π, experimental routhians, aligned angular momentum. Enriched target, array of Compton-suppressed Ge detectors, neutron, charged particle detectors. Cranked shell model calculations.

doi: 10.1016/0375-9474(94)90944-X
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1994JU04      Nucl.Phys. A573, 306 (1994)

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

Gamma-Ray Spectroscopy of 110Cd

NUCLEAR REACTIONS 96Zr(18O, 4n), E=73 MeV; 100Mo(13C, 3n), E=44 MeV; measured Eγ, Iγ(θ), γγ-coin, γγ(t). 110Cd deduced levels, J, π, T1/2, γ-branching, B(M1)/B(E2) ratios, experimental Routhians, aligned momenta. Enriched targets, array of Compton-suppressed Ge detectors, BaF2 ball. TRS and CSM calculations.

doi: 10.1016/0375-9474(94)90173-2
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1994JU05      Nucl.Phys. A577, 727 (1994)

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

High-Spin States in 109,111Cd and 107Pd

NUCLEAR REACTIONS 96Zr(18O, 3nα), (18O, 5n), (18O, 3n), E=73 MeV; 100Mo(13C, 4n), E=44 MeV; 109Ag(p, n), E=12-17.4 MeV; measured Eγ, Iγ, Iγ(θ), γγ-coin, γγ(t). 107Pd, 109,111Cd deduced high-spin levels, J, π, T1/2, γ-branching, B(M1)/B(E2) ratios, experimental routhians, aligned angular momenta. Enriched targets, array of Compton-suppressed Ge detectors, BaF2 ball. Total Routhian surface, cranked shell model calculations.

doi: 10.1016/0375-9474(94)90942-3
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1994KA32      Z.Phys. A350, 179 (1994)

M.Karny, J.Kownacki, D.Seweryniak, A.Atac, B.Cederwall, C.Fahlander, A.Johnson, A.Kerek, L.-O.Norlin, J.Nyberg, E.Adamides, E.Ideguchi, R.Julin, S.Juutinen, W.Karczmarczyk, S.Mitarai, M.Piiparinen, R.Schubart, G.Sletten, S.Tormanen, A.Virtanen

Excited States of 111I and the Observation of a 21 ns Isomer

NUCLEAR REACTIONS 54Fe(58Ni, X), E=220 MeV; measured γγ-, γγ(particle)-coin. 111I deduced levels, possible high-spin J, π. Shell model comparison.

doi: 10.1007/BF01289577
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1994MU18      Phys.Lett. 332B, 265 (1994)

D.Muller, A.Virtanen, R.Julin, S.Juutinen, A.Lampinen, M.Piiparinen, S.Tormanen, F.Christancho, A.P.Byrne, G.D.Dracoulis, B.Fabricius, C.Fahlander, A.Johnson, K.P.Lieb, J.Nyberg, I.Thorslund, R.Wyss

Deformation of Intruder Bands in 179Ir

NUCLEAR REACTIONS 146Nd(37Cl, 4n), E=169 MeV; measured γγ-coin, DSA, recoil distance. 179Ir deduced high-spin levels, J, π, T1/2, intruder bands features, transition quadrupole moments.

doi: 10.1016/0370-2693(94)91252-1
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1994PA30      Nucl.Phys. A578, 225 (1994)

M.Palacz, Z.Sujkowski, A.Atac, M.Piiparinen, B.Herskind, J.Nyberg, G.Sletten, G.de Angelis, S.Forbes, N.Gjorup, G.Hagemann, F.Ingebretsen, H.Jensen, D.Jerrestam, H.Kusakari, R.Lieder, G.M.Marti, S.Mullins, D.Santonocito, H.Schnare, K.Strahle, M.Sugawara, P.O.Tjom, A.Virtanen, R.Wadsworth

Highly Converted Transitions in the Quasi-Continuum of 143Eu

NUCLEAR REACTIONS 110Pd(37Cl, 4n), E=160 MeV; measured γ-, X-ray spectra, γ(X-ray)-coin, X-ray yields. 143Eu deduced quasi-continuum X-ray multiplicity.

doi: 10.1016/0375-9474(94)90977-6
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1994SE01      Phys.Lett. 321B, 323 (1994)

D.Seweryniak, J.Cederkall, B.Cederwall, J.Blomqvist, C.Fahlander, A.Johnson, L.-O.Norlin, J.Nyberg, A.Atac, A.Kerek, J.Kownacki, R.Wyss, E.Adamides, H.Grawe, E.Ideguchi, R.Julin, S.Juutinen, W.Karczmarczyk, S.Mitarai, M.Piiparinen, R.Schubart, G.Sletten, S.Tormanen, A.Virtanen

In-Beam Spectroscopy at the Proton-Drip Line. First Observation of Excited States in 106Sb and 107Sb

NUCLEAR REACTIONS 54Fe(58Ni, X), E=270 MeV; measured γγ(θ), γγ(particle)-coin. 106,107Sb deduced levels, J, π. Shell model comparison.

doi: 10.1016/0370-2693(94)90250-X
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1994TH01      Nucl.Phys. A568, 306 (1994)

I.Thorslund, C.Fahlander, J.Nyberg, M.Piiparinen, R.Julin, S.Juutinen, A.Virtanen, D.Muller, H.Jensen, M.Sugawara

Transition Probabilities and Quadrupole Deformation Measured in 108Cd

NUCLEAR REACTIONS 100Mo(12C, 4n), E=54 MeV; measured Eγ, Iγ, γγ-coin. 108Cd levels deduced B(E2), T1/2, deformation β2. Enriched targets, array of Compton-suppressed Ge-detectors, plunger. Total routhian surface calculations.

doi: 10.1016/0375-9474(94)90204-6
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1994TO05      Nucl.Phys. A572, 417 (1994)

S.Tormanen, S.Juutinen, R.Julin, B.Cederwall, A.Johnson, R.Wyss, P.Ahonen, B.Fant, M.Matsuzaki, J.Nyberg, M.Piiparinen, S.Mitarai, J.Mukai, A.Virtanen

Competing Proton and Neutron Alignments in Neutron-Deficient Xe-Nuclei

NUCLEAR REACTIONS 92Mo(32S, xn2pα), (32S, 4p), E=145 MeV; 106Pd(18O, 4n), E=75 MeV; measured Eγ, Iγ, DCO ratios, γγ-coin. 117,118,120Xe deduced levels, J, π, γ-branching, B(λ) ratios, experimental routhians, aligned angular momenta. Enriched targets, array of Compton-suppressed Ge-detectors, 4π array of Si charged-particle detectors, neutron detectors. Total routhian surface calculations, γS-band.

doi: 10.1016/0375-9474(94)90183-X
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1994ZH08      Z.Phys. A348, 65 (1994)

C.T.Zhang, P.Kleinheinz, M.Piiparinen, R.Collatz, T.Lonnroth, G.Sletten, J.Blomqvist

Shell Model High-Spin States in 15167Ho84

NUCLEAR REACTIONS 127I(29Si, 5n), E=145 MeV; measured γγ-coin. 151Ho deduced high-spin levels, J, π, configuration, ICC.

doi: 10.1007/BF01291657
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1994ZH18      Z.Phys. A348, 249 (1994)

C.T.Zhang, P.Kleinheinz, M.Piiparinen, R.Collatz, T.Lonnroth, G.Sletten, J.Blomqvist

Seniority Inverted Yrast States Observed in 15369Tm84

NUCLEAR REACTIONS 122Te(35Cl, 4n), E=174 MeV; measured γγ-coin. 153Tm deduced high-spin levels, J, π, band structure, configuration.

doi: 10.1007/BF01305879
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1993AT01      Phys.Rev.Lett. 70, 1069 (1993)

A.Atac, M.Piiparinen, B.Herskind, J.Nyberg, G.Sletten, G.de Angelis, S.Forbes, N.Gjorup, G.Hagemann, F.Ingebretsen, H.Jensen, D.Jerrestam, H.Kusakari, R.M.Lieder, G.V.Marti, S.Mullins, D.Santonocito, H.Schnare, K.Strahle, M.Sugawara, P.O.Tjom, A.Virtanen, R.Wadsworth

Linking Transitions from the Superdeformed Band in 143Eu

NUCLEAR REACTIONS 110Pd(37Cl, 4n), E=160 MeV; measured γγγ-, higher fold-coin, Eγ, Iγ. 143Eu deduced levels, J, π, Iγ, normal deformed superdeformed states connection.

doi: 10.1103/PhysRevLett.70.1069
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1993AT02      Acta Phys.Pol. B24, 395 (1993)

A.Atac, M.Piiparinen, B.Herskind, J.Nyberg, G.Sletten, G.de Angelis, S.Forbes, N.Gjorup, G.Hagemann, F.Ingebretsen, H.Jensen, D.Jerrestam, H.Kusakari, R.Lieder, G.M.Marti, S.Mullins, D.Santonocito, H.Schnare, K.Strahle, M.Sugawara, P.O.Tjom, A.Virtanen, R.Wadsworth

Superdeformed Band in the 143Eu Nucleus: Study of the decay out

NUCLEAR REACTIONS 110Pd(37Cl, 4n), E=160 MeV; measured γγ-coin sum spectra. 143Eu deduced superdeformed band decay features.


1993AT03      Nucl.Phys. A557, 109c (1993)

A.Atac, M.Piiparinen, B.Herskind, J.Nyberg, G.Sletten, G.de Angelis, R.M.Clark, S.A.Forbes, N.Gjorup, G.B.Hagemann, F.Ingebretsen, H.J.Jensen, D.Jerrestam, H.Kusakari, R.M.Lieder, G.V.Marti, S.Mullins, P.J.Nolan, E.S.Paul, P.H.Regan, D.Santonocito, H.Schnare, K.Strahle, M.Sugawara, P.O.Tjom, A.Virtanen, R.Wadsworth

Observation of the Decay Out of the Superdeformed Band in 143Eu

NUCLEAR REACTIONS 110Pd(37Cl, 4n), E=160 MeV; measured γγ-coin, Eγ, Iγ. 143Eu deduced levels, J, π, superdeformed band decay features.

doi: 10.1016/0375-9474(93)90535-6
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1993DE40      Z.Phys. A347, 93 (1993)

G.de Angelis, S.Lunardi, D.Bazzacco, J.Rico, F.Terrasi, M.Piiparinen, A.Atac, J.Nyberg

In-Beam Study of the Doubly-Odd Nucleus 14061Pm79 Above the 8- β+-Decaying Isomer

NUCLEAR REACTIONS, ICPND 114Cd(30Si, 3np), E=130 MeV; measured γγ-coin, Iγ(θ), DCO ratio. 110Pd(37Cl, 3nα), E not given; measured γ multiplicity, sum energy. 116Cd(28Si, 3np), (28Si, 2np), (28Si, 3n), (28Si, 4n), E=110-140 MeV; measured residual production σ vs E. 140Pm deduced levels, J, π, Iγ, isomer, T1/2.

doi: 10.1007/BF01284675
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1993GI02      Z.Phys. A345, 335 (1993)

J.Gizon, D.Jerrestam, A.Gizon, M.Jozsa, R.Bark, B.Fogelberg, E.Ideguchi, W.Klamra, T.Lindblad, S.Mitarai, J.Nyberg, M.Piiparinen, G.Sletten

Alignments and Band Termination in 99,100Ru

NUCLEAR REACTIONS 76Ge(34S, X), E=148 MeV; measured γ-, charged particle spectra, DCO ratios. 99,100Ru deduced levels, J, π, γ-branching, configuration, band structure, alignments. Cranking model.

doi: 10.1007/BF01280845
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1993JE02      Nucl.Phys. A557, 411c (1993)

D.Jerrestam, S.Mitarai, E.Ideguchi, B.Fogelberg, A.Gizon, J.Gizon, W.Klamra, Th.Lindblad, R.Bark, J.Nyberg, M.Piiparinen, G.Sletten

A ' Superdeformed ' Band in 103Pd

NUCLEAR REACTIONS, ICPND 76Ge(34S, 3nα), E=130-153 MeV; measured γ yields, γγ-coin, γγ(θ). 103Pd deduced levels, J, π, superdeformed band, configurations.

doi: 10.1016/0375-9474(93)90558-F
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1993JO07      Nucl.Phys. A557, 401c (1993)

A.Johnson, D.Seweryniak, B.Cederwall, J.Nyberg, A.Atac, J.Blomqvist, J.Cederkall, C.Fahlander, M.Karny, A.Kerek, J.Kownacki, L.-O.Norlin, R.Wyss, E.Adamides, H.Grawe, E.Ideguchi, R.Julin, S.Juutinen, W.Karczmarczyk, S.Mitarai, M.Piiparinen, R.Schubart, G.Sletten, S.Tormanen, A.Virtanen

High-Spin Studies Near 100Sn with NORDBALL: New results on 102In, 104In and 108Sb

NUCLEAR REACTIONS 54Fe(58Ni, xnyp), E=270 MeV; measured γγ(particle)-coin, γγ(θ), Iγ. 104,102In, 108Sb deduced levels, J, π.

doi: 10.1016/0375-9474(93)90557-E
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1993JU03      Nucl.Phys. A553, 531c (1993)

S.Juutinen, S.Tormanen, P.Ahonen, B.Cederwall, B.Fant, A.Johnson, R.Julin, S.Mitarai, J.Mukai, J.Nyberg, M.Piiparinen, A.Virtanen, R.Wyss

Competing Proton and Neutron Alignments in 117-120Xe

NUCLEAR REACTIONS 92Mo(32S, X), E=145 MeV; measured γ-spectra. 106Pd(18O, 4n), E=75 MeV; measured total Eγ, γ-multiplicity, γγ-coin. 117,118,120Xe deduced levels, J, π, configuration.

doi: 10.1016/0375-9474(93)90654-G
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1993KO08      Z.Phys. A344, 475 (1993)

W.Korten, M.J.Piiparinen, A.Atac, R.A.Bark, B.Herskind, T.Ramsoy, G.Sletten, J.Gerl, H.Hubel, P.Willsau, B.Cederwall, L.O.Norlin, B.Fant

On the Decay of the Superdeformed Band in 194Pb

NUCLEAR REACTIONS 164Dy(34S, 4n), E=160 MeV; measured γγ-coin. 194Pb deduced levels, J, π, superdeformed band decay features.


1993KO10      Acta Phys.Pol. B24, 409 (1993)

J.Kownacki, D.Seweryniak, B.Cederwall, J.Nyberg, J.Blomqvist, C.Fahlander, A.Johnson, A.Kerek, L.-O.Norlin, E.Adamides, A.Atac, H.Grawe, E.Ideguchi, R.Julin, S.Juutinen, W.Karczmarczyk, S.Mitarai, M.Piiparinen, R.Schubart, G.Sletten, S.Tormanen, A.Virtanen

In-Beam Spectroscopy Close to the Proton Drip Line

NUCLEAR REACTIONS 19F(92Mo, xnyp), (96Ru, xnyp), E not given; 58Ni(54Fe, xnyp), E=220 MeV; measured γγ-coin. 102,104In deduced levels, J, π, configuration.


1993MC03      Z.Phys. A344, 369 (1993)

J.H.McNeill, A.A.Chishti, P.J.Daly, W.Gelletly, M.A.C.Hotchkis, M.Piiparinen, B.J.Varley, P.J.Woods, J.Blomqvist

Isomeric Decay Studies using a Recoil Mass Separator. Exotic N = 82 and 83 Nuclei 153Yb, 153Lu, 154Lu and 154Hf

NUCLEAR REACTIONS 102Pd(54Fe, X), E=245 MeV; measured γ(recoil)-, γγ-coin. 153Yb, 153,154Lu deduced isomer decay, levels, J, π, B(λ), transition Iγ, configuration. 154Hf deduced levels, J, π, configuration.

doi: 10.1007/BF01283192
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1993MI11      Nucl.Phys. A557, 381c (1993)

S.Mitarai, T.Kuroyanagi, A.Odahara, J.Mukai, H.Tomura, S.Suematsu, T.Morikawa, D.Jerrestam, J.Nyberg, G.Sletten, A.Atac, M.Piiparinen, S.E.Arnell, D.Foltescu, H.A.Roth, O.Skeppstedt

Band Structures of Nuclei Around N, Z = 40 Selected by Charged Particle Detection

NUCLEAR REACTIONS 58Ni(28Si, 4p), E=128 MeV; 58Ni(32S, 4p), E=125 MeV; measured relative yield with respect to 1p, 2p, 3p exit channels. 58Ni(28Si, pα), E=100 MeV; 58Ni(32S, p2α), (32S, pα), E=120, 125 MeV; measured γγ-, pα-coin. 85Nb, 81Y deduced levels, J, π, yrast band dynamic moment of inertia. 58Ni(28Si, 2n2p), E=128 MeV; measured γ(particle)-coin. 82Zr deduced levels, J, π. 58Ni(32S, 2n2p), E=125 MeV; measured γγ-coin. 86Mo deduced possible yrast level transitions.

doi: 10.1016/0375-9474(93)90555-C
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1993PA05      Acta Phys.Pol. B24, 399 (1993)

M.Palacz, Z.Sujkowski, J.Bacelar, A.Atac, B.Herskind, J.Nyberg, M.Piiparinen, G.de Angelis, S.Forbes, N.Gjorup, G.Hagemann, F.Ingebretsen, H.Jensen, D.Jerrestam, H.Kusakari, R.Lieder, G.M.Marti, S.Mullins, D.Santonocito, H.Schnare, G.Sletten, K.Strahle, M.Sugawara, P.O.Tjom, A.Virtanen, R.Wadsworth

E0 Transitions and the Depopulation of SD Bands

NUCLEAR STRUCTURE 132Ce, 143Eu, 152Dy, 192Hg; calculated transition probability vs excitation energy for superdeformed states. 143Eu; analyzed γ(K X-ray)-coin following superdeformed states decay.


1993PI01      Phys.Rev.Lett. 70, 150 (1993)

M.Piiparinen, P.Kleinheinz, J.Blomqvist, A.Virtanen, A.Atac, D.Muller, J.Nyberg, T.Ramsoy, G.Sletten

Two- to One -Phonon E3 Transition Strength in 148Gd

NUCLEAR REACTIONS 133Cs(19F, 4n), E=73.5 MeV; measured Eγ, Iγ, decay time. 148Gd deduced levels, J, π, mean T1/2, B(λ), configuration.

doi: 10.1103/PhysRevLett.70.150
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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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1993SC13      Phys.Lett. 303B, 230 (1993)

W.Schmitz, H.Hubel, C.X.Yang, G.Baldsiefen, U.Birkental, G.Frohlingsdorf, D.Mehta, R.Musseler, M.Neffgen, P.Willsau, J.Gascon, G.B.Hagemann, A.Maj, D.Muller, J.Nyberg, M.Piiparinen, A.Virtanen, R.Wyss

Transition Quadrupole Moments of a Large-Deformation Intruder Band in 163Lu

NUCLEAR REACTIONS 147Sm(19F, X), E=85 MeV; measured γγ-coin, DSA, recoil distance. 163Lu deduced levels, J, π, T1/2, band structure, transition quadrupole moment. Cranked shell model.

doi: 10.1016/0370-2693(93)91425-M
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1993SE05      Z.Phys. A345, 243 (1993)

D.Seweryniak, B.Cederwall, J.Nyberg, C.Fahlander, A.Johnson, A.Kerek, J.Kownacki, L.-O.Norlin, E.Adamides, A.Atac, J.Blomqvist, H.Grawe, E.Ideguchi, R.Julin, S.Juutinen, W.Karczmarczyk, S.Mitarai, M.Piiparinen, R.Schubart, G.Sletten, S.Tormanen, A.Virtanen

In-Beam γ-Ray Spectroscopy of 102In

NUCLEAR REACTIONS 54Fe(58Ni, X), E=270 MeV; measured γγ(particle)-coin, γγ(θ), Eγ, Iγ. 102In deduced levels, possible J, π.

doi: 10.1007/BF01293351
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1993SU16      Nucl.Phys. A557, 653c (1993)

M.Sugawara, H.Kusakari, T.Morikawa, H.Inoue, Y.Yoshizawa, A.Virtanen, M.Piiparinen, T.Horiguchi

Octupole Bands of Gd Isotopes

NUCLEAR REACTIONS 154Gd(58Ni, 58Ni'), E=228 MeV; 154Gd(48Ti, 48Ti'), E=177.6 MeV; 154,156,158Gd(32S, 32S'), E=118 MeV; 160Gd(58Ni, 58Ni'), E=225 MeV; measured Eγ, Iγ, γγ-coin following Coulomb excitation. 154,156,158,160Gd deduced levels, J, π, B(λ), γ branching, band structure.

doi: 10.1016/0375-9474(93)90577-K
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1993TH05      Nucl.Phys. A564, 285 (1993)

I.Thorslund, C.Fahlander, J.Nyberg, S.Juutinen, R.Julin, M.Piiparinen, R.Wyss, A.Lampinen, T.Lonnroth, D.Muller, S.Tormanen, A.Virtanen

The Role of the Shape Driving h11/2 Neutron Orbital in 108Cd

NUCLEAR REACTIONS 96Zr(16O, 4n), E=74, 75 MeV; measured Eγ, Iγ, Iγ(θ), γγ-coin. 108Cd deduced levels, J, π, γ-branching, B(M1)/B(E2) ratios, experimental routhians, aligned angular momentum. Enriched targets, array of Compton-suppressed Ge-detectors, total routhian surface calculations.

doi: 10.1016/0375-9474(93)90522-Y
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1992PI18      Z.Phys. A343, 367 (1992)

M.Piiparinen, A.Atac, G.de Angelis, S.Forbes, N.Gjorup, G.Hagemann, B.Herskind, F.Ingebretsen, H.Jensen, D.Jerrestam, H.Kusakari, R.Lieder, G.M.Marti, S.Mullins, J.Nyberg, D.Santonocito, H.Schnare, G.Sletten, K.Strahle, M.Sugawara, P.O.Tjom, A.Virtanen, R.Wadsworth

High Spin Level Structure of 14363Eu80

NUCLEAR REACTIONS 110Pd(37Cl, 4n), E=160 MeV; measured γγ-coin. 143Eu deduced levels, J, π, stretched E2 transitions.

doi: 10.1007/BF01291538
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1991JE04      Z.Phys. A340, 351 (1991)

H.J.Jensen, G.B.Hagemann, P.O.Tjom, S.Frauendorf, A.Atac, M.Bergstrom, A.Bracco, A.Brockstedt, H.Carlsson, P.Ekstrom, J.M.Espino, B.Herskind, F.Ingebretsen, J.Jongman, S.Leoni, R.M.Lieder, T.Lonnroth, A.Maj, B.Million, A.Nordlund, J.Nyberg, M.Piiparinen, H.Ryde, M.Sugawara, A.Virtanen

Interaction Strength and Shape Difference for the h9/2 and h11/2 Configurations in 163Tm

NUCLEAR REACTIONS 148Nd(19F, 4n), E=85 MeV; 130Te(37Cl, 4n), E=166 MeV; measured γ-spectra, multiplicities, γγ-coin. 163Tm deduced levels, J, π, configuration, B(λ). Model comparisons.

doi: 10.1007/BF01290322
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1991LA17      Z.Phys. A341, 25 (1991)

M.Lach, P.Kleinheinz, M.Piiparinen, M.Ogawa, S.Lunardi, M.C.Bosca, J.Styczen, J.Blomqvist

Multiparticle- and Particle x Octupole States in 14965Tb84

NUCLEAR REACTIONS 151Eu(α, 6n), E=78 MeV; 144Sm(7Li, 2n), E=32 MeV; measured γγ-coin, Eγ, Iγ, γ-polarization, DCO ratios, γ(θ). 149Tb deduced levels, J, π, configuration, band structure.

doi: 10.1007/BF01281271
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1991PI06      Z.Phys. A338, 417 (1991)

M.Piiparinen, Y.Nagai, P.Kleinheinz, M.C.Bosca, B.Rubio, M.Lach, J.Blomqvist

Three-Nucleon Yrast States in 145Sm

NUCLEAR REACTIONS 145Nd(α, 4n), E=55 MeV; measured γγ-coin. 145Sm deduced levels, J, π, γ-multipolarity, ICC. Shell model calculations.

doi: 10.1007/BF01295769
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1991ZH35      Kao Neng Wu Li Yu Heh Wu Li (High Energy Physics and Nuclear Physics) 15, 165 (1991)

S.Zhu, W.Ma, I.Ahmad, B.Dichter, H.Emling, R.Holzmann, R.V.F.Janssens, T.L.Khoo, M.Quader, P.J.Daly, Z.Grabowski, M.Piiparinen, W.Trzaska, M.W.Drigert, U.Garg

High Spin Level Structure in 153Dy and Shape Changes in Neutron-Deficient Dy Nuclei

NUCLEAR REACTIONS 122Sn(36S, 5n), E=165 MeV; measured Eγ, Iγ. 153Dy deduced high-spin levels, J, π.


1990DR06      Nucl.Phys. A515, 466 (1990)

M.W.Drigert, M.Piiparinen, R.V.F.Janssens, R.Holzmann, I.Ahmad, J.Borggreen, R.R.Chasman, P.J.Daly, B.K.Dichter, H.Emling, U.Garg, Z.W.Grabowski, T.L.Khoo, W.C.Ma, M.Quader, D.C.Radford, W.Trzaska

Discrete and Continuum Gamma-Ray Studies of 147Gd and 148Gd

NUCLEAR REACTIONS 116Cd(36S, 5n), (36S, 4n), E=170 MeV; measured Eγ, Iγ, γγ(θ), γγ-correlations, Doppler shifts. 147,148Gd deduced levels, J, π, band structure, deformation. Enriched target, Compton-suppressed Ge-detectors, central array of BGO hexagons.

doi: 10.1016/0375-9474(90)90594-C
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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.


1990MC02      Z.Phys. A335, 241 (1990)

J.H.McNeill, J.Blomqvist, A.A.Chishti, P.J.Daly, W.Gelletly, M.A.C.Hotchkis, M.Piiparinen, B.J.Varley, P.J.Woods

A 35 μs Isomer in the Exotic N = 83 Nucleus 154Lu

NUCLEAR REACTIONS 102Pd(54Fe, X), E=245 MeV; measured γγ-coin. 154Lu deduced isomer T1/2, decay features, levels, J, π, configuration, B(λ).


1990PI17      Z.Phys. A337, 387 (1990)

M.Piiparinen, P.Kleinheinz, S.Lunardi, M.Ogawa, G.de Angelis, F.Soramel, W.Meczynski, J.Blomqvist

Shell Model and Octupole States in 148Gd from In-Beam Experiments

NUCLEAR REACTIONS 148Sm(α, 4n), E=54 MeV; 148Sm(3He, 3n), E=27 MeV; 124Sn(28Si, 4n), E=125 MeV; measured Eγ, Iγ, I(ce), γγ-coin, γ(θ). 148Gd deduced levels, J, π, ICC, γ-multipolarity, B(λ), ratios, T1/2, configurations. Model, other nuclei comparisons.


1990ZH21      High Energy Phys. and Nucl.Phys. (China) 14, 1103 (1990)

S.Zhu, W.Ma, M.A.Quader, H.Emling, T.L.Khoo, I.Ahmad, P.J.Daly, B.K.Dichter, M.Drigert, U.Garg, Z.W.Grabowski, R.Holzmann, R.V.F.Janssens, M.Piiparinen, W.H.Trzaska, T.-F.Wang

Level structure of 153Dy in high spin states and shape changes with N and I in Dy nuclei


1989EM01      Phys.Lett. 217B, 33 (1989)

H.Emling, I.Ahmad, P.J.Daly, B.K.Dichter, M.Drigert, U.Garg, Z.W.Grabowski, R.Holzmann, R.V.F.Janssens, T.L.Khoo, W.C.Ma, M.Piiparinen, M.A.Quader, I.Ragnarsson, W.H.Trzaska

Lifetime Measurements of Terminating and Collective High-Spin States in 155Dy and 156Dy

NUCLEAR REACTIONS 124Sn(36S, 4n), (36S, 5n), E=155 MeV; measured γ-spectra, γγ-coin. 155,156Dy deduced levels, J, π, T1/2, transition quadrupole moments, γ-multipolarity.

doi: 10.1016/0370-2693(89)91511-6
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1989HA15      Phys.Rev. C39, 2237 (1989)

M.Hass, I.Ahmad, R.V.F.Janssens, T.L.Khoo, H.J.Korner, E.F.Moore, F.H.L.Wolfs, N.Benczer-Koller, E.Dafni, K.Beard, U.Garg, P.J.Daly, M.Piiparinen

g Factor of the (59/2)- Isomer in 147Gd

NUCLEAR REACTIONS 76Ge(76Ge, 5n), E=310 MeV; measured Eγ, Iγ, γ(θ, H). 146,147,148Gd levels deduced g. Other data input.

doi: 10.1103/PhysRevC.39.2237
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1989HO03      Phys.Rev.Lett. 62, 520 (1989)

R.Holzmann, T.L.Khoo, W.C.Ma, I.Ahmad, B.K.Dichter, H.Emling, R.V.F.Janssens, M.W.Drigert, U.Garg, M.A.Quader, P.J.Daly, M.Piiparinen, W.Trzaska

Structure in the E2 Quasicontinuum Spectrum of 154Dy

NUCLEAR REACTIONS 122,124Sn(36S, 4n), E=148-165 MeV; measured quasicontinuum γ spectra. 152,154,156Dy deduced collective E2 component.

doi: 10.1103/PhysRevLett.62.520
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1989MC01      Z.Phys. A332, 105 (1989)

J.H.McNeill, A.A.Chishti, P.J.Daly, M.A.C.Hotchkis, M.Piiparinen, B.J.Varley

A 15 μs Isomer in the Z = 70 N = 83 Nucleus 153Yb

NUCLEAR REACTIONS 102Pd(54Fe, X), E=245 MeV; measured Eγ, Iγ, γγ-, γ(X-ray)-coin. 153Yb deduced isomer, T1/2, J, π, configuration. Fusion-evaporation recoil product mass analysis.


1989MC07      Phys.Rev.Lett. 63, 860 (1989)

J.H.McNeill, J.Blomqvist, A.A.Chishti, P.J.Daly, W.Gelletly, M.A.C.Hotchkis, M.Piiparinen, B.J.Varley, P.J.Woods

Exotic N = 82 Nuclei 153Lu and 154Hf and Filling of the πh11/2 Subshell

NUCLEAR REACTIONS 102Pd(54Fe, 2n), (54Fe, np), (54Fe, 2np), (54Fe, n2p), E=235, 245 MeV; measured relative isomeric yields; calculated residual production σ. γ-ray spectroscopy.

RADIOACTIVITY 153mLu, 154mHf [from 102Pd(54Fe, xnyp), E=235, 245 MeV]; measured γγ-, γ(X-ray)-coin; deduced isomer T1/2, configuration, decay scheme, level J, π, B(λ).

doi: 10.1103/PhysRevLett.63.860
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1988DR01      Phys.Lett. 201B, 223 (1988)

M.W.Drigert, R.V.F.Janssens, R.Holzmann, R.R.Chasman, I.Ahmad, J.Borggreen, P.J.Daly, B.K.Dichter, H.Emling, U.Garg, Z.W.Grabowski, T.L.Khoo, W.C.Ma, M.Piiparinen, M.Quader, D.C.Radford, W.Trzaska

Evidence for Superdeformation in 148Gd

RADIOACTIVITY 148Gd(α) [from 116Cd(36S, 4n), E=170 MeV]; measured Eγ, Iγ, γγ-coin, energy correlations. 148Gd deduced moment of inertia superdeformation. Compton suppressed Ge detectors. Cranked Strutinsky calculations.

NUCLEAR STRUCTURE 146,147,148,150,151,152,153,154,155,156Er, 145,147,148,149,150,151,152,153,154,155Ho, 144,145,146,147,148,149,150,151,152,153Dy, 143,144,145,146,147,148,149,150,151,152,153Tb, 142,143,144,145,146,147,148,149,150,151,152Gd, 141,142,143,144,145,146,147,148,149,150,151Eu, 140,141,142,143,144,145,146,147,148,149,150Sm, 139,140,141,142,143,144,145,146,147,148,149Pm, 138,139,140,141,142,143,144,145,146,147,148Pr, 138,139,140,141,142,143,144,145,146,147,148Nd; calculated moments of inertia. 148Gd deduced superdeformation evidence. Cranked Strutinsky model.

doi: 10.1016/0370-2693(88)90217-1
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