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NSR database version of April 26, 2024.

Search: Author = P.O.Tjom

Found 88 matches.

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2006WA05      J.Phys.(London) G32, 283 (2006)

S.-Y.Wang, T.Komatsubara, Y.-J.Ma, K.Furuno, Y.-H.Zhang, Y.Z.Liu, T.Hayakawa, J.Mukai, Y.Iwata, T.Morikawa, G.B.Hagemann, G.Sletten, J.Nyberg, D.Jerrestam, H.J.Jensen, J.Espino, J.Gascon, N.Gjorup, B.Cederwall, P.O.Tjom

Band structures in ¹²³I

NUCLEAR REACTIONS ¹¹⁶Cd(¹⁴N, 3nα), E=65 MeV; measured Eγ, Iγ, γγ-coin. ¹²³I deduced high-spin levels, J, π, configurations, B(M1)/B(E2). Nordball array.

doi: 10.1088/0954-3899/32/3/004
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2004WA16      Chin.Phys.Lett. 21, 1024 (2004)

S.-Y.Wang, Y.-J.Ma, T.Komatsubara, Y.-Z.Liu, Y.-H.Zhang, K.Furuno, T.Hayakawa, J.Mukai, Y.Iwata, T.Morikawa, G.B.Hagemann, G.Sletten, J.Nyberg, D.Jerrestam, H.J.Jensen, J.Espino, J.Gascon, N.Gjorup, B.Cederwall, P.O.Tjom

Structure of the πg_7/2[404]7/2⁺ Band in Odd Proton Nucleus ¹²³I

NUCLEAR REACTIONS ¹¹⁶Cd(¹⁴N, 5n2p), E=65 MeV; measured Eγ, Iγ, γγ-coin. ¹²³I deduced high-spin levels, J, π, configurations.

doi: 10.1088/0256-307X/21/6/012
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2004WA37      High Energy Phys. and Nucl.Phys. (China) 28, 491 (2004)

S.-Y.Wang, Y.-J.Ma, T.Komatsubara, Y.-Z.Liu, Y.-H.Zhang, G.-D.Liang, K.Furuno, T.Hayakawa, J.Mukai, Y.Iwata, T.Morikawa, G.B.Hagemann, G.Sletten, J.Nyberg, D.Jerrestam, H.J.Jensen, J.Espino, J.Gascon, N.Gjorup, B.Cederwall, P.O.Tjom

High-Spin Level Scheme of ¹²⁶Cs

2002JE05      Nucl.Phys. A703, 3 (2002)

D.R.Jensen, G.B.Hagemann, I.Hamamoto, S.W.Odegard, M.Bergstrom, B.Herskind, G.Sletten, S.Tormanen, J.N.Wilson, P.O.Tjom, K.Spohr, H.Hubel, A.Gorgen, G.Schonwasser, A.Bracco, S.Leoni, A.Maj, C.M.Petrache, P.Bednarczyk, D.Curien

Wobbling Phonon Excitations, Coexisting with Normal Deformed Structures in ¹⁶³Lu

NUCLEAR REACTIONS ¹³⁹La(²⁹Si, 5n), E=152 MeV; measured Eγ, Iγ, γγ-coin. ¹⁶³Lu deduced high-spin levels, J, π, configurations, B(M1)/B(E2), triaxial superdeformed bands, wobbling modes. Euroball IV array, particle-rotor calculations.

doi: 10.1016/S0375-9474(01)01459-2
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2002OD01      Eur.Phys.J. A 14, 309 (2002)

S.W.Odegard, B.Herskind, T.Dossing, G.B.Hagemann, D.R.Jensen, G.Sletten, J.N.Wilson, S.Leoni, P.O.Tjom, P.Bednarczyk, D.Curien

Count Fluctuation Analysis in the Triaxial Strongly Deformed Potential Well of ¹⁶³Lu

NUCLEAR REACTIONS ¹³⁹La(²⁹Si, 5n), E=152 MeV; measured Eγ, γγ-coin. ¹⁶³Lu deduced high-spin levels, moment of inertia, deformation, number of 2-step paths following fluctuation analysis of ridge structures. Euroball IV array.

doi: 10.1140/epja/i2002-10012-2
Citations: PlumX Metrics

2002SC11      Eur.Phys.J. A 13, 291 (2002)

G.Schonwasser, H.Hubel, G.B.Hagemann, J.Domscheit, A.Gorgen, B.Herskind, G.Sletten, J.N.Wilson, D.R.Napoli, C.Rossi-Alvarez, D.Bazzacco, R.Bengtsson, H.Ryde, P.O.Tjom, S.W.Odegard

Lifetimes of Triaxial Superdeformed States in ¹⁶³Lu and ¹⁶⁴Lu

NUCLEAR REACTIONS ¹³⁹La(²⁹Si, X)¹⁶³Lu/¹⁶⁴Lu/¹⁶³Yb, E=145 MeV; measured Eγ, γγ-coin, DSA. ^163,164Lu, ¹⁶³Yb deduced high-spin superdeformed levels T_1/2, transition and side-feeding quadrupole moments. Comparison with earlier data and Cranking model results. GASP array.

doi: 10.1007/s10050-002-8758-5
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2001HA54      Acta Phys.Pol. B32, 2545 (2001)

I.Hamamoto, S.W.Odegard, G.B.Hagemann, D.R.Jensen, M.Bergstrom, B.Herskind, G.Sletten, S.Tormanen, J.N.Wilson, P.O.Tjom, K.Spohr, H.Hubel, A.Gorgen, G.Schonwasser, A.Bracco, S.Leoni, A.Maj, C.M.Petrache, P.Bednarczyk, D.Curien

First Evidence for the Wobbling Mode in a Triaxial Superdeformed Odd-A Nucleus

NUCLEAR REACTIONS ¹³⁹La(²⁹Si, 5n), E=152 MeV; measured Eγ, Iγ, γγ-coin. ¹⁶³Lu deduced high-spin levels, J, π, triaxial superdeformed band, B(M1)/B(E2), wobbling mode. Euroball IV array. Particle-rotor model calculations.

2001JE09      Nucl.Phys. A695, 3 (2001)

H.J.Jensen, R.A.Bark, P.O.Tjom, G.B.Hagemann, I.G.Bearden, H.Carlsson, S.Leoni, T.Lonnroth, W.Reviol, L.L.Riedinger, H.Schnack-Petersen, T.Shizuma, X.Z.Wang, J.Wrzesinski

General Properties of the πh_9/2[541]1/2^- Configuration and Level Scheme of ¹⁶⁵Tm

NUCLEAR REACTIONS ¹⁵⁰Nd(¹⁹F, 4n), E=85 MeV; ¹⁵⁴Sm(¹⁵N, 4n), E=70 MeV; measured Eγ, Iγ, γγ-coin, DSA. ¹⁶⁵Tm deduced high-spin levels, J, π, rotational band structure, transition quadrupole moments, configurations, alignments, B(M1)/B(E2) and B(E1)/B(E2). Nordball array. Potential energy surface calculations, cranked mean-field calculations.

NUCLEAR STRUCTURE ^{162,164,166,168,170}Er, ^{163,165,167,169,171}Tm, ^{164,166,168,170,172}Yb, ^{165,167,169,171,173}Lu, ^{166,168,170,172,174}Hf, ^{167,169,171,173,175}Ta, ^{168,170,172,174,176}W; calculated deformation parameters; analyzed rotational bands features. Cranked mean-field approach.

doi: 10.1016/S0375-9474(01)01111-3
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2001OD02      Nucl.Phys. A682, 427c (2001)

S.W.Odegard, G.B.Hagemann, M.Bergstrom, B.Herskind, D.R.Jensen, G.Sletten, S.Tormanen, J.Wilson, P.O.Tjom, K.Spohr, H.Hubel, A.Gorgen, G.Schonwasser, A.Bracco, S.Leoni, A.Maj, C.Petrache, P.Bednarczyk, D.Curien, I.Hamamoto

Search for the Wobbling Mode Built on Triaxial Super Deformation

NUCLEAR REACTIONS ¹³⁹La(²⁹Si, 5n), E=152 MeV; measured Eγ, Iγ, γγ-coin. ¹⁶³Lu deduced high-spin levels, J, π, triaxial superdeformed bands, B(M1)/B(E2), possible wobbling mode. Euroball IV array. Cranked mean-field calculations.

doi: 10.1016/S0375-9474(00)00669-2
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2001OD03      Phys.Rev.Lett. 86, 5866 (2001)

S.W.Odegard, G.B.Hagemann, D.R.Jensen, M.Bergstrom, B.Herskind, G.Sletten, S.Tormanen, J.N.Wilson, P.O.Tjom, I.Hamamoto, K.Spohr, H.Hubel, A.Gorgen, G.Schonwasser, A.Bracco, S.Leoni, A.Maj, C.M.Petrache, P.Bednarczyk, D.Curien

Evidence for the Wobbling Mode in Nuclei

NUCLEAR REACTIONS ¹³⁹La(²⁹Si, 5n), E=152 MeV; measured Eγ, Iγ, γγ-coin. ¹⁶³Lu deduced high-spin levels, J, π, configurations, transitions B(E2), B(M1), wobbling mode. Euroball IV array. Particle-rotor model calculations.

doi: 10.1103/PhysRevLett.86.5866
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1999BA84      Nucl.Phys. A657, 113 (1999)

R.A.Bark, S.Tormanen, T.Back, B.Cederwall, S.W.Odegard, J.F.C.Cocks, K.Helariutta, P.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, P.Kuusiniemi, M.Leino, M.Muikku, P.Rahkila, A.Savelius, M.Bergstrom, F.Ingebretsen, A.Maj, M.Mattiuzzi, W.Mueller, L.L.Riedinger, T.Saitoh, P.O.Tjom

Coexistence of Triaxial and Prolate Shapes in ¹⁷¹Ir

NUCLEAR REACTIONS ¹¹⁶Sn(⁵⁸Ni, 2np), E=260, 267 MeV; measured Eγ, Iγ, (recoil)γ-, γγ-coin. ¹⁷¹Ir deduced high-spin levels, J, π, rotational band structure, configurations, triaxiality, shaped-coexistance, band mixing. Cranked mean-field calculations, potential energy surfaces, tilted-axis cranking.

doi: 10.1016/S0375-9474(99)00319-X
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1999DO34      Nucl.Phys. A660, 381 (1999)

J.Domscheit, S.Tormanen, B.Aengenvoort, H.Hubel, R.A.Bark, M.Bergstrom, A.Bracco, R.Chapman, D.M.Cullen, C.Fahlander, S.Frattini, A.Gorgen, G.B.Hagemann, A.Harsmann, B.Herskind, H.J.Jensen, S.L.King, S.Lenzi, D.Napoli, S.W.Odegard, C.M.Petrache, H.Ryde, U.J.van Severen, G.Sletten, P.O.Tjom, C.Ur

Triaxial Superdeformation in ¹⁶³Lu

NUCLEAR REACTIONS ¹³⁹La(²⁹Si, 5n), E=145 MeV; measured Eγ, Iγ, γγ-coin. ¹⁶³Lu deduced high-spin levels, J, π, superdeformed band J, π, linking transitions, possible triaxial deformation. Euroball array. Cranked mean-field calculations, potential energy surfaces.

doi: 10.1016/S0375-9474(99)00392-9
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1999RE05      Phys.Rev. C59, 1351 (1999)

W.Reviol, L.L.Riedinger, X.Z.Wang, J.-Y.Zhang, H.J.Jensen, G.B.Hagemann, R.A.Bark, P.O.Tjom, S.Leoni, T.Lonnroth, H.Schnack-Petersen, T.Shizuma, J.Wrzesinski, P.B.Semmes

Residual Interactions and Tilted Rotation in Odd-Odd ¹⁶⁴Tm

NUCLEAR REACTIONS ¹⁵⁰Nd(¹⁹F, 5n), E=85 MeV; measured Eγ, Iγ(θ), γγ(t). ¹⁶⁴Tm deduced high-spin levels, J, π, rotational bands, configurations, B(M1)/B(E2), isomeric states T_1/2. Nordball array.

NUCLEAR STRUCTURE ¹⁶⁴Tm; calculated rotational bands features, B(M1)/B(E2), signature splitting; deduced proton-neutron interaction role. Particle-rotor model, tilted-axis cranking model calculations.

doi: 10.1103/PhysRevC.59.1351
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1999SM13      Eur.Phys.J. A 6, 37 (1999)

M.B.Smith, G.J.Campbell, R.Chapman, P.O.Tjom, R.A.Bark, G.B.Hagemann, N.Keeley, D.J.Middleton, H.Ryde, K.-M.Spohr

Rotational Bands in ¹⁶⁷Hf

NUCLEAR REACTIONS ¹⁴¹Pr(³⁰Si, 3np), E=155 MeV; measured Eγ, Iγ, γγ-coin. ¹⁶⁷Hf deduced high-spin levels, J, π, configurations. Cranked mean-field calculations. Nordball array.

doi: 10.1007/s100500050314
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1999TO08      Phys.Lett. 454B, 8 (1999)

S.Tormanen, S.W.Odegard, G.B.Hagemann, A.Harsmann, M.Bergstrom, R.A.Bark, B.Herskind, G.Sletten, P.O.Tjom, A.Gorgen, H.Hubel, B.Aengenvoort, U.J.van Severen, C.Fahlander, D.Napoli, S.Lenzi, C.Petrache, C.Ur, H.J.Jensen, H.Ryde, R.Bengtsson, A.Bracco, S.Frattini, R.Chapman, D.M.Cullen, S.L.King

Triaxial Superdeformed Bands in ¹⁶⁴Lu and Enhanced E1 Decay-Out Strength

NUCLEAR REACTIONS ¹³⁹La(²⁹Si, 4n), E=145 MeV; measured Eγ, Iγ, γγ-coin. ¹⁶⁴Lu deduced high-spin levels, J, π, configurations, triaxial deformation. Euroball array. Cranked mean-field calculations.

doi: 10.1016/S0370-2693(99)00346-9
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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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1998ES06      Nucl.Phys. A640, 163 (1998)

J.M.Espino, G.B.Hagemann, I.G.Bearden, R.A.Bark, M.Bergstrom, A.Bracco, B.Herskind, H.J.Jensen, S.Leoni, C.Martinez-Torre, B.Million, P.O.Tjom

Structure of Excited Bands in ¹⁶²Tm and Residual Interactions

NUCLEAR REACTIONS ¹³⁰Te(³⁷Cl, 5n), E=166 MeV; measured Eγ, Iγ, γγ-coin. ¹⁶²Tm deduced high-spin levels, J, π, rotational band structure, configurations, alignments, B(M1)/B(E2), signature inversion, proton-neutron interactions.

doi: 10.1016/S0375-9474(98)00433-3
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1998TO28      Nuovo Cim. 111A, 685 (1998)

S.Tormanen, G.B.Hagemann, A.Harsmann, M.Bergstrom, R.A.Bark, B.Herskind, G.Sletten, S.W.Odegard, P.O.Tjom, A.Gorgen, H.Hubel, B.Aengenvoort, U.J.van Severen, H.Ryde, C.Fahlander, D.Napoli, S.Lenzi, C.Petrache, C.Ur, H.J.Jensen, A.Bracco, S.Frattini, R.Chapman, D.M.Cullen, S.L.King

High-Spin Studies of ¹⁶⁴Lu using EUROBALL

NUCLEAR REACTIONS ¹³⁹La(²⁹Si, 4n), E=145 MeV; measured Eγ, Iγ, γγ-coin. ¹⁶⁴Lu deduced high-spin levels, J, π, deformation. Cranking model analysis. Euroball array.

1997BA45      Phys.Lett. 406B, 193 (1997); Erratum Phys.Lett. 416B, 453 (1998)

R.A.Bark, J.M.Espino, W.Reviol, P.B.Semmes, H.Carlsson, I.G.Bearden, G.B.Hagemann, H.J.Jensen, I.Ragnarsson, L.L.Riedinger, H.Ryde, P.O.Tjom

Signature Inversion in Semi-Decoupled Bands: Residual interaction between h_9/2 protons and i_13/2 neutrons

NUCLEAR REACTIONS ¹⁶⁰Gd(¹⁹F, 5n), E=105 MeV; ¹⁵⁰Nd(¹⁹F, 5n), E=85 MeV; ¹³⁰Te(³⁷Cl, 5n), E=166 MeV; measured Eγ, Iγ, γγ-coin; ^162,164Tm, ¹⁷⁴Ta deduced high-spin levels, J, π, signature inversion related features. Particle-rotor model analysis.

doi: 10.1016/S0370-2693(97)00676-X
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1997JE07      Z.Phys. A359, 127 (1997)

H.J.Jensen, R.A.Bark, R.Bengtsson, G.B.Hagemann, P.O.Tjom, S.Y.Araddad, C.W.Beausang, R.Chapman, J.Copnell, A.Fitzpatrick, S.J.Freeman, S.Leoni, J.C.Lisle, J.Simpson, A.G.Smith, D.M.Thompson, S.J.Warburton, J.Wrzesinski

Loss of Alignment Gain in the πh_9/2[541 (1/2)^-)] (x) (νi_13/2)² Band in ¹⁶⁷Tm and Neighbouring Odd-Z N = 98 Nuclei

NUCLEAR REACTIONS ¹²⁴Sn(⁴⁸Ca, 4np), E=210 MeV; measured Eγ, Iγ, γγ-coin. ¹⁶⁷Tm deduced high-spin levels, J, π, band structure. Cranked shell model calculations, data from other nuclei compared.

doi: 10.1007/s002180050377
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1995BA51      Phys.Rev. C52, R450 (1995)

R.A.Bark, S.W.Odegard, R.Bengtsson, I.G.Bearden, G.B.Hagemann, B.Herskind, F.Ingebretsen, S.Leoni, H.Ryde, T.Shizuma, K.Strahle, P.O.Tjom, J.Wrzesinski

Intruder Bands Extended in ¹⁷⁵Re and ¹⁷⁷Ir: Deformation Changes and Interaction at the Alignment of i_13/2 Neutrons

NUCLEAR REACTIONS ¹⁶¹Dy(¹⁹F, 5n), E=106 MeV; ¹⁴⁶Nd(³⁵Cl, 4n), E=166 MeV; measured γγ-coin. ¹⁷⁵Re, ¹⁷⁷Ir deduced high-spin levels, J, π, configuration, band structure, deformation features.

doi: 10.1103/PhysRevC.52.R450
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1995BA67      Nucl.Phys. A591, 265 (1995)

R.A.Bark, G.B.Hagemann, B.Herskind, H.J.Jensen, W.Korten, J.Wrzesinski, H.Carlsson, M.Bergstrom, A.Brockstedt, A.Nordlund, H.Ryde, P.Bosetti, S.Leoni, F.Ingebretsen, P.O.Tjom

More than Thirty Bands in ¹⁷⁷Re

NUCLEAR REACTIONS ¹³⁰Te(⁵¹V, 4n), E=225 MeV; ¹⁶³Dy(¹⁹F, 5n), E=105 MeV; measured Eγ, γγ-coin, Iγ. ¹⁷⁷Re deduced high-spin levels, J, π, configurations, rotational bands, B(M1)/B(E2) ratios, g(K) values, alignments, band structure. Crossing frequencies, cranked shell model, band-mixing, Nilsson-Strutinsky potential energy surfaces, shape coexistence.

doi: 10.1016/0375-9474(95)00187-6
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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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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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1995NO04      Nucl.Phys. A591, 117 (1995)

A.Nordlund, R.Bengtsson, P.Ekstrom, M.Bergstrom, A.Brockstedt, H.Carlsson, H.Ryde, Y.Sun, A.Atac, G.B.Hagemann, B.Herskind, H.J.Jensen, J.Jongman, S.Leoni, A.Maj, J.Nyberg, P.O.Tjom

Probing the Limits of Complete Spectroscopy in ¹⁶⁴Yb

NUCLEAR REACTIONS ¹⁵²Sm(¹⁶O, 4n), E=83.2 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). ¹⁶⁴Yb deduced levels, J, configurations, routhians, alignments. Cranked shell model calculations. Array of Compton-suppressed Ge-dectors.

doi: 10.1016/0375-9474(95)00124-J
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1995SC39      Nucl.Phys. A594, 175 (1995)

H.Schnack-Petersen, R.Bengtsson, R.A.Bark, P.Bosetti, A.Brockstedt, H.Carlsson, L.P.Ekstrom, G.B.Hagemann, B.Herskind, F.Ingebretsen, H.J.Jensen, S.Leoni, A.Nordlund, H.Ryde, P.O.Tjom, C.X.Yang

Superdeformed Triaxial Bands in ^163,165Lu

NUCLEAR REACTIONS ¹³⁸Ba(³¹P, 4n), E=155 MeV; ¹⁵⁰Sm(¹⁹F, 4n), E=95 MeV; measured Eγ, γγ-coin, Iγ. ¹⁶⁵Lu deduced high-spin levels, J, π, rotational band, superdeformed structure. Enriched target, array of Compton suppressed Ge-detectors. Calculation of superdeformed highly triaxial local minima in configuration separated total energy surfaces.

doi: 10.1016/0375-9474(95)00363-6
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1994BR09      Nucl.Phys. A571, 337 (1994)

A.Brockstedt, J.Lyttkens-Linden, M.Bergstrom, L.P.Ekstrom, H.Ryde, J.C.Bacelar, J.D.Garrett, G.B.Hagemann, B.Herskind, F.R.May, P.O.Tjom, S.Frauendorf

Interpretation of Bands in ¹⁶³Er within the Tilted Rotation Scheme Enchanced E1 Decay Strength

NUCLEAR REACTIONS ¹⁵⁰Nd(¹⁸O, 5n), E=83 MeV; measured Eγ, γγ-coin, Iγ. ¹⁶³Er deduced levels, J, π, B(M1)/B(E2), B(E1), high-K, multi-quasiparticle states. Tilted cranking calculations.

doi: 10.1016/0375-9474(94)90065-5
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1994ES01      Nucl.Phys. A567, 377 (1994)

J.Espino, J.D.Garrett, G.B.Hagemann, P.O.Tjom, C.-H.Yu, M.Bergstrom, L.Carlen, L.P.Ekstrom, J.Lyttkens-Linden, H.Ryde, R.Bengtsson, T.Bengtsson, R.Chapman, D.Clarke, F.Khazaie, J.C.Lisle, J.N.Mo

Rotational Band Structures in ^171,172W Aspects on Signature Partnership at High Spin

NUCLEAR REACTIONS ¹⁴⁶Nd(³⁰Si, 5n), (³⁰Si, 4n), E=160 MeV; measured Eγ, Iγ, σ(Eγ, θ), γγ-coin. ^171,172W deduced levels, J, π, γ-branching, B(M1)/B(E2) ratios, experimental routhians, aligned angular momentum. Enriched targets, arrays of Compton-suppressed Ge-detectors.

doi: 10.1016/0375-9474(94)90155-4
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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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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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1993BR10      Nucl.Phys. A557, 469c (1993)

A.Brockstedt, J.Lyttkens-Linden, M.Bergstrom, L.P.Ekstrom, H.Ryde, J.C.Bacelar, S.Frauendorf, J.D.Garrett, G.B.Hagemann, B.Herskind, F.R.May, P.O.Tjom

Interpretation of Bands in ¹⁶³Er within the Tilted Rotation Scheme

NUCLEAR REACTIONS ¹⁵⁰Nd(¹⁸O, 5n), E=83 MeV; measured γγ-coin. ¹⁶³Er deduced levels, J, π, band structure, K, configuration. Tilted rotation scheme interpretation.

doi: 10.1016/0375-9474(93)90563-D
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1993KO25      Nucl.Phys. A557, 419c (1993)

T.Komatsubara, K.Furuno, T.Hosoda, J.Mukai, T.Hayakawa, T.Morikawa, Y.Iwata, N.Kato, J.Espino, J.Gascon, N.Gjorup, G.B.Hagemann, H.J.Jensen, D.Jerrestam, J.Nyberg, G.Sletten, B.Cederwall, P.O.Tjom

High-Spin States in Odd-Odd Nuclei

NUCLEAR REACTIONS ¹¹⁵In(¹³C, 4n), E=66 MeV; ¹¹⁶Cd(¹⁴N, 4n), E=65 MeV; ⁹²Mo(³⁵Cl, n2p), E=150 MeV; measured γγ-coin, DSA. ^124,126Cs, ¹²⁴La deduced levels, J, π, band structure.

NUCLEAR STRUCTURE ¹⁵⁸Tm, ^{120,122,124,126,128}Cs, ^{124,126,128,130,132}La; analyzed level data; deduced signature inversion features.

doi: 10.1016/0375-9474(93)90559-G
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1993OG01      Nucl.Phys. A559, 100 (1993)

S.Ogaza, J.Kownacki, M.P.Carpenter, J.Gascon, G.B.Hagemann, Y.Iwata, H.J.Jensen, T.Komatsubara, J.Nyberg, G.Sletten, P.O.Tjom, W.Walus, I.Hamamoto

Shapes, Electromagnetic Properties and Enhanced E1 Strength in ¹⁶⁹Lu

NUCLEAR REACTIONS ¹⁵⁴Sm(¹⁹F, 4n), E=85 MeV; measured Eγ, γγ-coin, Iγ, DSA. ¹⁶⁹Lu deduced levels, Iγ, rotational band-structure, configuration-dependent shape, pairing, T_1/2, transition quadrupole moments, B(M1)/B(E2), B(E1). Comparison to particle-rotor calculations including octupole softness. Enriched target, array of Compton suppressed Ge-detectors.

doi: 10.1016/0375-9474(93)90182-W
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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.

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 h_9/2 and h_11/2 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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1990GA15      Nucl.Phys. A513, 344 (1990)

J.Gascon, C.-H.Yu, G.B.Hagemann, M.C.Carpenter, J.M.Espino, Y.Iwata, T.Komatsubara, J.Nyberg, S.Ogaza, G.Sletten, P.O.Tjom, D.C.Radford, J.Simpson, A.Alderson, M.A.Bentley, P.Fallon, P.D.Forsyth, J.W.Roberts, J.F.Sharpey-Schafer

Configuration-Dependent Transition Rates in ¹⁵⁷Ho

NUCLEAR REACTIONS ¹²⁴Sn(³⁷Cl, 4n), E=150 MeV; ¹⁴²Ce(¹⁹F, 4n), E=85.5 MeV; measured Iγ, γγ-coin, DSA. ¹⁵⁷Ho deduced levels, J, π, T_1/2, transition quadrupole moments, nuclear deformation, B(M1). Enriched targets, array of Compton-suppressed Ge-detectors.

doi: 10.1016/0375-9474(90)90102-R
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1990KO01      Z.Phys. A335, 113 (1990)

T.Komatsubara, K.Furuno, T.Hosoda, J.Espino, J.Gascon, G.B.Hagemann, Y.Iwata, D.Jerrestam, N.Kato, T.Morikawa, J.Nyberg, G.Sletten, P.O.Tjom

High Spin Structure in the Odd-Odd Nucleus ¹²⁴Cs

NUCLEAR REACTIONS ¹¹⁵In(¹³C, 4n), E=66 MeV; measured γγ-coin. ¹²⁴Cs deduced levels, J, π, B(λ) ratios.

1988BE43      Phys.Lett. 215B, 624 (1988)

E.M.Beck, H.Hubel, R.M.Diamond, J.C.Bacelar, M.A.Deleplanque, K.H.Maier, R.J.McDonald, F.S.Stephens, P.O.Tjom

Loss of Collectivity Along the Yrast Line in ¹⁵⁸Er

NUCLEAR REACTIONS ¹²²Sn(⁴⁰Ar, 4n), E=181 MeV; measured γγ-coin, RDM. ¹⁵⁸Er deduced levels, J, π, T_1/2, B(λ), transition quadrupole moments.

doi: 10.1016/0370-2693(88)90032-9
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1987BE07      Nucl.Phys. A464, 472 (1987)

E.M.Beck, J.C.Bacelar, M.A.Deleplanque, R.M.Diamond, F.S.Stephens, J.E.Draper, B.Herskind, A.Holm, P.O.Tjom

High-Spin State Spectroscopy in ^165,166Yb

NUCLEAR REACTIONS ¹³⁰Te(⁴⁰Ar, xn), E=180 MeV; measured Eγ, γγγ-coin, γ(θ). ^165,166Yb deduced levels, J, π, rotational bands. Enriched targets.

doi: 10.1016/0375-9474(87)90311-3
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1986SI01      J.Phys.(London) G12, L67 (1986)

J.Simpson, D.V.Elenkov, P.D.Forsyth, D.Howe, B.M.Nyako, M.A.Riley, J.F.Sharpey-Schafer, B.Herskind, A.Holm, P.O.Tjom

The Strong Interaction Strength of the First Proton Alignment in ¹⁵⁷Ho

NUCLEAR REACTIONS ¹²⁴Sn(³⁷Cl, 4n), E=160 MeV; measured γγ-coin. ¹⁵⁷Ho deduced levels, J, π, γ-branching, yrast sequence, rotational bands.

doi: 10.1088/0305-4616/12/2/006
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1985BA07      Phys.Lett. 152B, 157 (1985)

J.C.Bacelar, M.Diebel, O.Andersen, J.D.Garrett, G.B.Hagemann, B.Herskind, J.Kownacki, C.X.Yang, L.Carlen, J.Lyttkens, H.Ryde, W.Walus, P.O.Tjom

Configuration-Dependent Pairing and Deformation in ¹⁶³Er

NUCLEAR REACTIONS ¹⁵⁰Nd(¹⁸O, 5n), E=83 MeV; measured γ(θ), γγ-coin. ¹⁶³Er deduced levels, J, π, γ-branching, rotational band crossing frequencies, configuration dependent pairing, deformation. Cranking HFB calculation.

doi: 10.1016/0370-2693(85)91160-8
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1985BA47      Nucl.Phys. A442, 509 (1985)

J.C.Bacelar, M.Diebel, C.Ellegaard, J.D.Garrett, G.B.Hagemann, B.Herskind, A.Holm, C.-X.Yang, J.-Y.Zhang, P.O.Tjom, J.C.Lisle

Single-Neutron States at High Spins in Ytterbium Nuclei; evidence for the quenching of static neutron pair correlations

NUCLEAR REACTIONS ¹²⁴Sn(⁴⁸Ca, 3n), (⁴⁸Ca, 4n), (⁴⁸Ca, 5n), E=201 MeV; measured E(γ), γγ-coin, γ(θ). ¹⁵⁴Sm(¹⁸O, 4n), E=78 MeV; measured γ(θ); deduced static neutron-pair correlations. ^167,168Yb deduced levels, J, π, rotational bands. Cranking-model, and gauge-space analysis.

doi: 10.1016/S0375-9474(85)80029-4
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1985BA50      Phys.Rev.Lett. 55, 1858 (1985)

J.C.Bacelar, G.B.Hagemann, B.Herskind, B.Lauritzen, A.Holm, J.C.Lisle, P.O.Tjom

Determination of the Spreading Width for the Collective Transition Strength at Finite Temperature

NUCLEAR REACTIONS ¹²⁴Sn(⁴⁸Ca, xn), E=200 MeV; measured γγ-coin. ¹⁶⁸Yb deduced quasicontinuum E2 transitions, associated parameters. Rotational pattern damping with increasing temperature.

doi: 10.1103/PhysRevLett.55.1858
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1985SI04      Phys.Rev.Lett. 54, 1132 (1985)

J.Simpson, P.D.Forsyth, D.Howe, B.M.Nyako, M.A.Riley, J.F.Sharpey-Schafer, J.Bacelar, J.D.Garrett, G.B.Hagemann, B.Herskind, A.Holm, P.O.Tjom

Signature-Dependent Proton Alignments at High Rotational Frequency and the Persistence of Proton Pairing Correlations

NUCLEAR REACTIONS ¹²⁴Sn(³⁷Cl, 4n), E=160 MeV; measured Eγ total, γ-multiplicity, γγ-coin. ¹⁵⁷Ho deduced levels, γ-branching, J, π, band structure, signature dependent proton alignment, pairing correlation.

doi: 10.1103/PhysRevLett.54.1132
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1985TJ02      Phys.Rev.Lett. 55, 2405 (1985)

P.O.Tjom, R.M.Diamond, J.C.Bacelar, E.M.Beck, M.A.Deleplanque, J.E.Draper, F.S.Stephens

Slow and Fast High-Spin Sequences in ¹⁵⁸Er

NUCLEAR REACTIONS ¹²²Sn(⁴⁰Ar, 4n), E=175 MeV; measured γγ-coin. ¹⁵⁸Er deduced levels, J, π, γ-multipolarity, yrast band feeding characteristic.

doi: 10.1103/PhysRevLett.55.2405
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1984HA35      Nucl.Phys. A424, 365 (1984)

G.-B.Hagemann, J.D.Garrett, B.Herskind, J.Kownacki, B.M.Nyako, P.L.Nolan, J.F.Sharpey-Schafer, P.O.Tjom

Signature-Dependent M1 and E2 Transition Probabilities in ¹⁵⁵Ho and ¹⁵⁷Ho

NUCLEAR REACTIONS ¹⁴¹Pr(¹⁸O, 4n), E=85 MeV; ¹⁴⁶Nd(¹⁵N, 4n), E=74 MeV; measured Eγ, Iγ, γ(θ), recoil distance. ^155,157Ho deduced levels, δ, B(λ) ratios, T_1/2, deformation characteristics.

doi: 10.1016/0375-9474(84)90188-X
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1984JO05      Nucl.Phys. A422, 397 (1984)

S.Jonsson, J.Lyttkens, L.Carlen, N.Roy, H.Ryde, W.Walus, J.Kownacki, G.B.Hagemann, B.Herskind, J.D.Garrett, P.O.Tjom

Proton Configuration Dependence of Neutron Alignments and Transition Probabilities in ¹⁶⁵Lu

NUCLEAR REACTIONS ¹⁵³Eu(¹⁶O, 4n), E=73-85 MeV; measured γγ-coin, γ(θ), Iγ(E), γ(t). ¹⁶⁵Lu deduced levels, J, π, aligment, B(M1) rates. Enriched targets, Ge(Li) detectors, Compton suppressed Ge(Li) coincidence set up.

doi: 10.1016/0375-9474(84)90524-4
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1983YA08      Phys.Lett. 133B, 39 (1983)

C.X.Yang, J.Kownacki, J.D.Garrett, G.B.Hagemann, B.Herskind, J.C.Bacelar, J.R.Leslie, R.Chapman, J.C.Lisle, J.N.Mo, A.Simcock, J.C.Willmott, W.Walus, L.Carlen, S.Jonsson, J.Lyttkens, H.Ryde, P.O.Tjom, P.M.Walker

The Identification of the (1/2)⁺[660] Proton Orbitals at High Spins in Rare-Earth Nuclei

NUCLEAR REACTIONS ¹⁵⁹Tb, ¹⁶⁵Ho(¹⁶O, 4n), E=85 MeV; measured γγ-coin, X-ray(γ)(t), I(ce). ¹⁷¹Ta, ¹⁷⁷Re deduced levels, γ-branching, band structure, proton orbital Nilsson assignment.

doi: 10.1016/0370-2693(83)90101-6
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1982HA27      Phys.Rev. C25, 3224 (1982)

G.B.Hagemann, J.D.Garrett, B.Herskind, G.Sletten, P.O.Tjom, A.Henriquez, F.Ingebretsen, J.Rekstad, G.Lovhoiden, T.F.Thorsteinsen

Evidence for Signature-Dependent Transition Rates at Large Rotational Frequencies

NUCLEAR REACTIONS ¹⁴⁶Nd(¹⁵N, 4n), E=74 MeV; measured Iγ(θ), γγ-coin. ¹⁵⁷Ho deduced levels, J, π, δ, branching ratios, (g(k)-g(R)), shape change.

doi: 10.1103/PhysRevC.25.3224
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1981FO03      Nucl.Phys. A361, 242 (1981)

F.Folkmann, J.D.Garrett, G.B.Hagemann, M.N.Harakeh, B.Herskind, D.L.Hillis, S.Ogaza, H.Emling, E.Grosse, D.Schwalm, R.S.Simon, P.O.Tjom

High Angular Momentum Decay Properties of the Compound Systems ¹⁰⁰Ru* and ¹⁶⁰Er* formed in ⁵⁰Ti-Induced Reactions

NUCLEAR REACTIONS ⁵⁰Ti, ¹¹⁰Pd(⁵⁰Ti, X), E=163-229 MeV; measured γγ-coin, Eγ, < Eγ >, anisotropy vs summed cascade Eγ. ¹⁰⁰Ru, ¹⁶⁰Er deduced entry lines, effective moments of inertia, continuum γ-multipolarity vs spin.

doi: 10.1016/0375-9474(81)90478-4
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1981GA14      Phys.Rev.Lett. 47, 75 (1981)

J.D.Garrett, O.Andersen, J.J.Gaardhoje, G.B.Hagemann, B.Herskind, J.Kownacki, J.C.Lisle, L.L.Riedinger, W.Walus, N.Roy, S.Jonsson, H.Ryde, M.Guttormsen, P.O.Tjom

Evidence for Decreased Pairing Energies in Odd-N Nuclei from Band-Crossing Frequencies

NUCLEAR STRUCTURE ^{156,158,160,162,164}Er, ^{160,161,162,163,164,165,166,167}Yb, ^{164,168,169,170,171}Hf, ^{172,173,174,175,176}W; analyzed yrast band angular frequency systemetics, neutron pairing correlation parameter data; deduced odd neutron number dependence. Cranked shell model.

doi: 10.1103/PhysRevLett.47.75
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1980ES02      Czech.J.Phys. 30, 395 (1980)

I.Espe, B.Skaali, P.O.Tjom, S.M.Lee, M.Rozkos, B.Elbek

Charged Particle Evaporation from Compound Nuclei formed by Bombardment of ⁵⁸Ni with 70 MeV ¹⁶O Ions (II)

NUCLEAR REACTIONS ⁵⁸Ni(¹⁶O, p), (¹⁶O, n), (¹⁶O, α), E=70 MeV; calculated transimission coefficient vs particle energy, σ(total) vs compound nuclear spin, σ(θp, Ep), σ(θα, Eα), evaporation spectra. ⁷⁴Kr deduced level density parameter, moment of inertia. Statistial theory.

doi: 10.1007/BF01596094
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1980RI02      Phys.Rev.Lett. 44, 568 (1980)

L.L.Riedinger, O.Andersen, S.Frauendorf, J.D.Garrett, J.J.Gaardhoje, G.B.Hagemann, B.Herskind, Y.V.Makovetzky, J.C.Waddington, M.Guttormsen, P.O.Tjom

Frequency and Alignment Classification of Multiple Band Crossings

NUCLEAR REACTIONS ^147,148Sm(¹⁶O, 3n), E=82 MeV; measured Iγ, γ(θ), γγ-coin. ^160,161Yb deduced levels, J, π, band structure, band crossing frequency, quasiparticle assignments. Cranking-model.

doi: 10.1103/PhysRevLett.44.568
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1979ES08      Czech.J.Phys. 29, 1208 (1979)

I.Espe, B.Skaali, P.O.Tjom, S.M.Lee, M.Rozkos, B.Elbek

Charged Particle Evaporation from Compound Nuclei Formed by Bombardment of ⁵⁸Ni with 70 MeV ¹⁶O Ions

NUCLEAR REACTIONS ⁵⁸Ni(¹⁶O, p), (¹⁶O, α), E=70 MeV; measured σ(θp, Ep), σ(θα, Eα); deduced reaction mechanism. Enriched target, E-ΔE counter telescope.

doi: 10.1007/BF01590441
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0327.

1979JA23      Acta Phys.Pol. B10, 137 (1979)

M.Jaskola, B.Elbek, K.Nybo, P.O.Tjom

Angular Distributions for (d, p) and (d, t) Reactions on ¹⁵⁴Sm, ¹⁶⁶Er, ¹⁷⁰Yb and ¹⁷⁶Yb Target Nuclei

NUCLEAR REACTIONS ¹⁵⁴Sm, ¹⁶⁶Er, ^170,176Yb(d, p), ¹⁵⁴Sm, ¹⁶⁶Er(d, t), E=12.08 MeV; measured σ(θ). ^153,155Sm, ^165,167Er, ^171,177Yb deduced levels, L, Nilsson assignments. DWBA analysis.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0331.

1978TJ01      Phys.Lett. 72B, 439 (1978)

P.O.Tjom, I.Espe, G.B.Hagemann, B.Herskind, D.L.Hillis

A New Experimental Method for the Study of Regions of High Spin and Excitation Energy

NUCLEAR REACTIONS ⁵⁸Ni(¹⁶O, 2pγ), E=54.5-64.5 MeV; measured summed γ spectra, average γ-multiplicity. ⁷²Se deduced structure.

doi: 10.1016/0370-2693(78)90728-1
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1977RE02      J.Phys.(London) G3, 411 (1977)

J.Rekstad, P.O.Tjom

Collective States in ¹⁰²Ru and ¹⁰⁴Ru Populated in Inelastic Deuteron Scattering

NUCLEAR REACTIONS ^102,104Ru(d, d'), E=12 MeV; measured σ(Ed', θ). ^102,104Ru deduced levels, J, B(E2), B(E3). DWBA analysis.

doi: 10.1088/0305-4616/3/3/016
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2112.

1977SI14      Nucl.Phys. A287, 362 (1977)

J.J.Simpson, P.O.Tjom, I.Espe, G.B.Hagemann, B.Herskind, M.Neiman

Decay of the Compound Nucleus ⁷⁴Kr Formed in the Reaction ¹⁶O + ⁵⁸Ni

NUCLEAR REACTIONS ⁵⁸Ni(¹⁶O, xnypzαγ), E=44.5-76.5 MeV; measured σ(E, Eγ), ⁵⁸Ni(¹⁶O, 2pγ), ⁵⁸Ni(¹⁶O, 3pγ); measured particle γ-coin, γ-ray multiplicities, < Eγ > , σ(Ep, Eγ). Enriched target.

doi: 10.1016/0375-9474(77)90502-4
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1976HA10      Nucl.Phys. A259, 496 (1976)

M.L.Halbert, P.O.Tjom, I.Espe, G.B.Hagemann, B.Herskind, M.Neiman, H.Oeschler

High Spin States in ⁷⁴Se

NUCLEAR REACTIONS ⁶⁴Ni(¹⁶O, 2nαγ), E=42-81 MeV; measured σ(E, Eγ, θ), DSA, particle γ-coin, γ-ray multiplicities. ⁷⁴Se deduced levels, J, T_1/2. ⁶⁴Ni(¹⁶O, 4nγ), (¹⁶O, 2nγ), (¹⁶O, 4nαγ), E=42-81 MeV; measured σ(E, Eγ). Enriched target.

doi: 10.1016/0375-9474(76)90085-3
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1975HA14      Nucl.Phys. A243, 100 (1975)

O.Hansen, J.R.Lien, O.Nathan, A.Sperduto, P.O.Tjom

Spectroscopy of ⁴²Ca from ⁴¹Ca(d, p)

NUCLEAR REACTIONS ^40,41Ca(d, p), E=12 MeV; measured σ(Ep, θ). ⁴²Ca deduced levels, J, π, L, S. Enriched, radioactive target.

doi: 10.1016/0375-9474(75)90023-8
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1974TJ01      Phys.Rev.Lett. 33, 593 (1974)

P.O.Tjom, F.S.Stephens, R.M.Diamond, J.de Boer, W.E.Meyerhof

Angular-Momentum Effects on Continuum Gamma Rays Following Heavy-Ion Reactions

NUCLEAR REACTIONS ⁸²Se(⁸⁴Kr, xnγ), E=347 MeV; ¹⁵⁰Sm(¹⁶O, xnγ), E=88 MeV; ¹⁶⁵Ho(p, xnγ), E=25 MeV; measured Eγ, Iγ, γγ-coin; deduced angular momentum effects on continuum γ-rays.

doi: 10.1103/PhysRevLett.33.593
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1974TJ02      Nucl.Phys. A231, 397 (1974)

P.O.Tjom, M.R.Maier, D.Benson, Jr., F.S.Stephens, R.M.Diamond

High-Spin States in ^191,193,195Au

NUCLEAR REACTIONS ^190,192Os(⁷Li, xnγ), E=50, 58 MeV; ^191,193Ir(α, xnγ), E=26, 29, 42 MeV; measured Eγ, Iγ, γγ-coin, γγ(t), γ(θ). ^191,193,195Au deduced levels, J, π. Enriched targets; Ge(Li) detectors.

doi: 10.1016/0375-9474(74)90504-1
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1973FL04      Phys.Rev. C8, 806 (1973)

D.G.Fleming, C.Gunther, G.Hagemann, B.Herskind, P.O.Tjom

Study of the (p, t) Reaction on the Even Gadolinium Nuclei

NUCLEAR REACTIONS ^{152,154,156,158,160}Gd(p, t), E=18 MeV; measured σ(Et, θ). ^{150,152,154,156,158}Gd deduced levels, J, π.

doi: 10.1103/PhysRevC.8.806
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1972EL12      Phys.Lett. 40B, 641 (1972)

C.Ellegaard, J.R.Lien, O.Nathan, G.Sletten, F.Ingebretsen, E.Osnes, P.O.Tjom, O.Hansen, R.Stock

The (1f₇/₂)² Multiplet in ⁴²Ca

NUCLEAR REACTIONS ⁴¹Ca(d, p), E=12 MeV; measured σ(Ep, θ). ⁴²Ca deduced levels, L(n), S.

doi: 10.1016/0370-2693(72)90617-X
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1972KA07      Nucl.Phys. A179, 305 (1972)

I.Kanestrom, P.O.Tjom

The Level Structure of ¹⁵³Sm

NUCLEAR STRUCTURE ¹⁵³Sm; calculated levels, wave functions, σ for pickup, stripping reactions.

doi: 10.1016/0375-9474(72)90372-7
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1972LO20      Nucl.Phys. A194, 463 (1972)

G.Lovhoiden, P.O.Tjom, L.O.Edvardson

Study of Positive-Parity States in ¹⁶⁵Er, ¹⁶⁷Er and ¹⁶⁹Er with the (³He, α) Reaction

NUCLEAR REACTIONS ^166,168,170Er(³He, α), E=25.5 MeV; measured σ(Eα, θ). ^165,167,169Er deduced levels, J, π, L. Coriolis coupling. Enriched targets.

doi: 10.1016/0375-9474(72)90995-5
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1971FL09      Phys.Rev.Lett. 27, 1235 (1971)

D.G.Fleming, C.Gunther, G.B.Hagemann, B.Herskind, P.O.Tjom

Strongly Excited 0⁺ States Observed in (p, t) Reactions on Gadolinium Nuclei

NUCLEAR REACTIONS ^{152,154,156,158,160}Gd(p, t), E=18 MeV; measured σ(Et, θ). ^{150,152,154,156,158}Gd deduced excitation strengths.

doi: 10.1103/PhysRevLett.27.1235
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1971KA06      Nucl.Phys. A164, 664 (1971)

I.Kanestrom, P.O.Tjom, J.Bang

The ΔN = 2 Coupling between One-Particle Orbitals in Rare-Earth Nuclei

NUCLEAR STRUCTURE ¹⁵³Sm, ^155,159Gd, ^{155,157,159,161,163}Dy, ^161,165Er; calculated deformation parameters, single-particle energies, coupling strengths.

doi: 10.1016/0375-9474(71)90787-1
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1971LO01      Nucl.Phys. A160, 305 (1971)

G.Lovhoiden, J.C.Waddington, C.Ellegaard, P.O.Tjom

Study of High Angular Momentum States in ¹⁵⁵Gd and ¹⁵⁷Gd by Means of the (³He, α) Reaction

NUCLEAR REACTIONS ^156,158Gd(³He, α), E(³He)=20.3 MeV; measured σ(Eα, θ). ^155,157Gd deduced levels, J, π, L. Enriched targets.

doi: 10.1016/0375-9474(71)90133-3
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1971ST03      Nucl.Phys. A162, 353 (1971)

F.Sterba, P.O.Tjom, B.Elbek

Energy Levels of ¹⁵⁵Gd and ¹⁵⁷Gd Populated by the (d, d') Reaction

NUCLEAR REACTIONS ^155,157Gd(d, d'), Ed=12.1 MeV; measured σ(Ed', θ). ^155,157Gd deduced levels, B(E2), B(E3). Enriched targets.

doi: 10.1016/0375-9474(71)90990-0
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1971UN01      Kgl.Dan.Vidensk.Selsk., Mat.-Fys.Medd. 38, No.8 (1971)

J.Ungrin, R.M.Diamond, P.O.Tjom, B.Elbek

Inelastic Deuteron Scattering in the Lead Region

NUCLEAR REACTIONS ^203,205Tl, ^{204,206,207,208}Pb, ²⁰⁹Bi(d, d), (d, d'), E=13 MeV; measured σ(θ), σ(Ed', θ); deduced optical model parameters. ^203,205Tl, ^{204,206,207,208}Pb, ²⁰⁹Bi deduced levels, J, π.

1970KA06      Nucl.Phys. A145, 461 (1970)

I.Kanestrom, P.O.Tjom

The 3/2- [532] Rotational Band in ¹⁵⁵Gd

NUCLEAR STRUCTURE ¹⁵⁵Gd; calculated levels, (d, p), (d, t) cross section. Nilsson model, Coriolis coupling.

doi: 10.1016/0375-9474(70)90436-7
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1970KA47      Phys.Norv. 4, 181 (1970)

I.Kanestrom, P.O.Tjom

Stripping and Pick-up Cross Sections for ¹⁵⁷Gd and ¹⁵⁹Gd Calculated from the Unified Model

NUCLEAR STRUCTURE ^157,159Gd; calculated levels, B(E2), decoupling parameters, wave functions. Unified model.

NUCLEAR REACTIONS ^156,158Gd(d, p), ^158,160Gd(d, t) calculated σ. Unified model.

1970UN01      Priv.Comm. (October 1970)

J.Ungrin, R.M.Diamond, P.O.Tjom, B.Elbek

1969KA24      Nucl.Phys. A138, 177 (1969)

I.Kanestrom, P.O.Tjom

Coriolis Coupling Analysis of the Cross Sections from (d, p) and (d, t) Reactions

NUCLEAR STRUCTURE ¹⁵⁹Gd, ¹⁶³Dy, ^{163,165,167,169}Er, ^169,171Yb; calculated levels, wave functions. Coriolis coupling.

NUCLEAR REACTIONS ¹⁵⁸Gd, ¹⁶²Dy, ^{162,164,166,168}Er, ^168,170Yb(d, p), E not given; calculated σ. ¹⁶⁰Gd, ¹⁶⁴Dy, ^{164,166,168,170}Er, ^170,172Yb(d, t), E not given; calculated σ. Coriolis coupling.

doi: 10.1016/0375-9474(69)90391-1
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1969TJ01      Kgl.Danske Videnskab.Selskab., Mat.-Fys.Medd. 37, No.7 (1969); Priv.Comm. (Aug. 1969)

P.O.Tjom, B.Elbek

A Study of Energy Levels in Odd-Mass Erbium Nuclei by Means of (d, p) and (d, t) Reactions

NUCLEAR REACTIONS ^{162,164,166,168,170}Er(d, p), (d, t), E=12.1 MeV; measured reaction products. ^{161,163,165,167,169,171}Er; deduced levels, J, π, Nilsson assignments, σ(Ep, θ), σ(Et, θ).

1969TJ02      Thesis to Be Published, Univ.Oslo (1969); See Keynumver 1968TJZZ

P.O.Tjom

Single Particle States in the Rare Earth Mass Region Studied by Means of (d, p) and (d, t) Reactions

1968TJ02      Nucl.Phys. A107, 385 (1968)

P.O.Tjom, B.Elbek

Collective Vibrational States in Even Erbium Nuclei

NUCLEAR REACTIONS ^{162,164,166,168,170}Er(d, d'). E = 12.1 MeV; measured σ(Ed', θ). ^{162,164,166,168,170}Er deduced levels J, B(E2), B(E3). Enriched targets.

doi: 10.1016/0375-9474(68)90626-X
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1968VA31      Nucl.Phys. A115, 265 (1968)

J.G.van der Baan, P.R.Christensen, J.Rasmussen, P.O.Tjom

Elastic Deuteron Scattering on the Even Nd Isotopes

NUCLEAR REACTIONS ^{142,144,146,148,150}Nd(d, d), E=12 MeV; measured σ(θ); deduced optical model parameters. Enriched targets.

doi: 10.1016/0375-9474(68)90003-1
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1834.

1967BL05      Nucl.Phys. A91, 576 (1967)

R.Bloch, B.Elbek, P.O.Tjom

Collective Vibrational States in Even Gd Nuclei

NUCLEAR REACTIONS ^{152,154,156,158,160}Gd(d, d'), E = 12 MeV; measured σ(Ed', θ). ^{152,154,156,158,160}Gd levels deduced I, B(E2), B(E3). Enriched targets.

doi: 10.1016/0375-9474(67)90577-5
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1967JA03      Nucl.Phys. A96, 52 (1967)

M.Jaskola, K.Nybo, P.O.Tjom, B.Elbek

Angular Distributions for the ¹⁶⁰Gd(d, t)¹⁵⁹Gd Reaction

NUCLEAR REACTIONS ¹⁶⁰Gd(d, t), E = 12.1 MeV; measured σ(Et, θ). ¹⁵⁹Gd deduced levels, J, π, L. Enriched target.

doi: 10.1016/0375-9474(67)90694-X
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1967TJ01      Kgl.Danske Videnskab.Selskab., Mat.-Fys.Medd. 36, No.8 (1967)

P.O.Tjom, B.Elbek

A Study of Energy Levels in Odd-Mass Gadolinium Nuclei by Means of (d, p) and (d, t) Reactions

NUCLEAR STRUCTURE ¹⁵³Gd, ¹⁵¹Gd, ¹⁵⁵Gd, ¹⁵⁷Gd, ¹⁵⁹Gd, ¹⁶¹Gd; measured not abstracted; deduced nuclear properties.

1965LO10      Phys.Norv. 1, 281 (1965)

G.Lovhoiden, P.O.Tjom

Gamma Ray Transitions in ¹⁴⁴Pr

NUCLEAR STRUCTURE ¹⁴⁴Ce; measured not abstracted; deduced nuclear properties.