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NSR database version of April 11, 2024.

Search: Author = F.Ingebretsen

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2009SY01      Phys.Rev. C 79, 024316 (2009)

N.U.H.Syed, M.Guttormsen, F.Ingebretsen, A.C.Larsen, T.Lonnroth, J.Rekstad, A.Schiller, S.Siem, A.Voinov

Level density and γ-decay properties of closed shell Pb nuclei

NUCLEAR REACTIONS 206,208Pb(3He, 3He'γ), (3He, αγ), E=38 MeV; measured Eγ, Iγ, (particle)γ-coin; deduced spin distributions, level densities, entropies, temperature, γ-ray strength functions. Comparison of E1 and M1 strengths with Standard Lorentzian and enhanced generalized Lorentzian models.

doi: 10.1103/PhysRevC.79.024316
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1680.


2007LA23      Acta Phys.Pol. B38, 1495 (2007)

A.C.Larsen, M.Guttormsen, R.Chankova, F.Ingebretsen, T.Lonnroth, S.Messelt, S.W.Odegard, J.Rekstad, S.Siem, N.U.H.Syed, A.Schiller, A.Voinov

Radiative Strength Functions of Warm Nuclei in the 1f7/2 Shell

NUCLEAR REACTIONS 51V, 45Sc(3He, αγ), (3He, 3He'γ), E=30, 38 MeV; measured Eγ, Eα, E(3He), (particle)γ-coinc. 50,51V, 44,45Sc deduced level densities and giant resonance strength functions.


2007LA31      Phys.Rev. C 76, 044303 (2007)

A.C.Larsen, M.Guttormsen, R.Chankova, F.Ingebretsen, T.Lonnroth, S.Messelt, J.Rekstad, A.Schiller, S.Siem, N.U.H.Syed, A.Voinov

Nuclear level densities and γ-ray strength functions in 44, 45Sc

NUCLEAR REACTIONS 45Sc(3He, αγ), (3He, 3He'γ), E=38 MeV; measured Eγ, Iγ. 44Sc, 45Sc; deduced level densities, γ-strength functions, parity asymmetry.

doi: 10.1103/PhysRevC.76.044303
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1700.


2006CH14      Phys.Rev. C 73, 034311 (2006)

R.Chankova, A.Schiller, U.Agvaanluvsan, E.Algin, L.A.Bernstein, M.Guttormsen, F.Ingebretsen, T.Lonnroth, S.Messelt, G.E.Mitchell, J.Rekstad, S.Siem, A.C.Larsen, A.Voinov, S.Odegard

Level densities and thermodynamical quantities of heated 93-98Mo isotopes

NUCLEAR REACTIONS 94,96Mo(3He, 3He'), (3He, α), E=30 MeV; 98Mo(3He, 3He'), (3He, α), E=45 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin. 93,94,95,96,97,98Mo deduced level densities; deduced thermodynamical quantities, phase transition features.

doi: 10.1103/PhysRevC.73.034311
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1671.


2006LA12      Phys.Rev. C 73, 064301 (2006)

A.C.Larsen, R.Chankova, M.Guttormsen, F.Ingebretsen, S.Messelt, J.Rekstad, S.Siem, N.U.H.Syed, S.W.Odegard, T.Lonnroth, A.Schiller, A.Voinov

Microcanonical entropies and radiative strength functions of 50, 51V

NUCLEAR REACTIONS 51V(3He, 3He'), (3He, α), E=30 MeV; measured Eγ, Iγ, (particle)γ-coin. 50,51V deduced level densities, radiative strength functions.

doi: 10.1103/PhysRevC.73.064301
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1699.


2005GU16      Phys.Rev. C 71, 044307 (2005)

M.Guttormsen, R.Chankova, U.Agvaanluvsan, E.Algin, L.A.Bernstein, F.Ingebretsen, T.Lonnroth, S.Messelt, G.E.Mitchell, J.Rekstad, A.Schiller, S.Siem, A.C.Sunde, A.Voinov, S.Odegard

Radiative strength functions in 93-98Mo

NUCLEAR REACTIONS 94,96Mo(3He, 3He'), (3He, α), E=30 MeV; 97,98Mo(3He, 3He'), (3He, α), E=45 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin. 93,94,95,96,97,98Mo deduced radiative strength functions.

doi: 10.1103/PhysRevC.71.044307
Citations: PlumX Metrics


2005SU07      Acta Phys.Pol. B36, 1197 (2005)

A.C.Sunde, M.Guttormsen, R.Chankova, F.Ingebretsen, T.Lonnroth, S.Messelt, J.Rekstad, A.Schiller, S.Siem, N.U.H.Syed, A.Voinov, S.W.Odegard

Thermal and electromagnetic properties of the light vanadium isotopes 50, 51V

NUCLEAR REACTIONS 51V(3He, 3He'), (3He, α), E not given; measured Eγ, Iγ. 50,51V deduced radiative strength functions, thermodynamic properties.


2001SC02      Phys.Rev. C63, 021306 (2001)

A.Schiller, A.Bjerve, M.Guttormsen, M.Hjorth-Jensen, F.Ingebretsen, E.Melby, S.Messelt, J.Rekstad, S.Siem, S.W.Odegard

Critical Temperature for Quenching of Pair Correlations

NUCLEAR REACTIONS 162,163Dy, 172,173Yb(3He, X), E=45 MeV; measured Eα, Eγ, αγ-coin. 161,162Dy, 171,172Yb deduced level density and heat capacity vs excitation energy, critical temperature for phase-transition.

doi: 10.1103/PhysRevC.63.021306
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1670.


2000ME25      Phys.Scr. T88, 138 (2000)

E.Melby, L.Bergholt, M.Guttormsen, M.Hjorth-Jensen, F.Ingebretsen, S.Messelt, J.Rekstad, A.Schiller, S.Siem, S.W.Odegard

Experimental Temperature and Heat Capacity in Rare Earth Nuclei

NUCLEAR REACTIONS 163Dy, 167Er, 173Yb(3He, α), E=45 MeV; measured Eγ, Iγ, αγ-coin. 162Dy, 166Er, 172Yb deduced level densities, temperature vs excitation energy, heat capacities.

doi: 10.1238/Physica.Topical.088a00138
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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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1999ME23      Phys.Rev.Lett. 83, 3150 (1999)

E.Melby, L.Bergholt, M.Guttormsen, M.Hjorth-Jensen, F.Ingebretsen, S.Messelt, J.Rekstad, A.Schiller, S.Siem, S.W.Odegard

Observation of Thermodynamical Properties in the 162Dy, 166Er, and 172Yb Nuclei

NUCLEAR REACTIONS 163Dy, 167Er, 173Yb(3He, α), E=45 MeV; measured Eγ, Iγ, αγ-coin. 162Dy, 166Er, 172Yb deduced level densities, heat capacities, related thermodynamic properties.

doi: 10.1103/PhysRevLett.83.3150
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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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1996GU24      Nucl.Instrum.Methods Phys.Res. A374, 371 (1996)

M.Guttormsen, T.S.Tveter, L.Bergholt, F.Ingebretsen, J.Rekstad

The Unfolding of Continuum γ-Ray Spectra

NUCLEAR REACTIONS 163Dy(3He, αγ), E=45 MeV; analyzed Eγ, Iγ. New γ-spectra unfolding method based on Compton scattering contributions' weak dependence on energy.

RADIOACTIVITY 152Eu(EC), (β+), (β-); analyzed Eγ, Iγ. New γ-spectra unfolding method based on Compton scattering contributions' weak dependence on energy.

doi: 10.1016/0168-9002(96)00197-0
Citations: PlumX Metrics


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 i13/2 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
Citations: PlumX Metrics


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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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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1994GU04      Nucl.Phys. A573, 130 (1994)

M.Guttormsen, L.Bergholt, F.Ingebretsen, G.Lovhoiden, S.Messelt, J.Rekstad, T.S.Tveter, H.Helstrup, T.F.Thorsteinsen

The (3He, α) Reaction Mechanism: A study of the angular momentum transfer

NUCLEAR REACTIONS 163Dy(3He, αxn), E=45 MeV; measured σ(Eα), Eγ, Iγ, αγ-coin. 162,160,158Dy deduced γ-ray side-feeding into ground-band states. Enriched target, Ge, Na, Si detectors.

doi: 10.1016/0375-9474(94)90017-5
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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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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 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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1987RE09      Nucl.Phys. A470, 397 (1987)

J.Rekstad, A.Atac, M.Guttormsen, T.Ramsoy, J.B.Olsen, F.Ingebretsen, T.F.Thorsteinsen, G.Lovhoiden, T.Rodland

Reaction Dependence and Cross Structure of the γ-Decay of Highly Excited States in the Rare Earth Nucleus 162Dy

NUCLEAR REACTIONS 163Dy(3He, α), 162Dy(3He, 3He'), E=45 MeV; measured γ(particle)-coin. 162Dy deduced yrast-transition characsteristics.

doi: 10.1016/0375-9474(87)90009-1
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1986GU03      Phys.Scr. 33, 385 (1986)

M.Guttormsen, A.Atac, F.Ingebretsen, S.Messelt, J.B.Olsen, T.Ramsoy, J.Rekstad, L.A.Ronning, G.Lovhoiden, T.Rodland, T.F.Thorsteinsen

Statistical γ-Decay in s-d Shell Nuclei

NUCLEAR REACTIONS 27Al(3He, α), (3He, 3He'), (3He, t), E=45 MeV; measured σ(Eα), σ(E(3He')), σ(Et), γ(particle)-coin. 26,27Al, 27Si deduced γ-multiplicity. Fermi gas model.

doi: 10.1088/0031-8949/33/5/001
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1986RE18      Phys.Scr. 34, 644 (1986)

J.Rekstad, M.Guttormsen, A.Atac, F.Ingebretsen, S.Messelt, T.Ramsoy, T.F.Thorsteinsen, G.Lovhoiden, T.Rodland

Structure and Decay Properties of Low-Spin States at High Excitation Energy

NUCLEAR REACTIONS 161,163Dy(d, t), E=15 MeV; measured σ(Et), Eγ, Iγ, γγ-coin. 160,162Dy deduced levels, decay characteristics. Other data input, ΔE-E telescopes, Ge, NaI detectors.

doi: 10.1088/0031-8949/34/6A/020
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1985RA07      Nucl.Phys. A438, 301 (1985)

T.Ramsoy, J.Rekstad, M.Guttormsen, A.Henriquez, F.Ingebretsen, T.Rodland, T.F.Thorsteinsen, G.Lovhoiden

γ-Decay from Two-Quasiparticle States Populated in the 161,163Dy(d, t) Reactions

NUCLEAR REACTIONS 161,163Dy(d, t), E=15 MeV; measured σ(E(t)), Eγ, Iγ, γ(t). 160,162Dy deduced levels, J, π, γ-multiplicity. Enriched targets.

doi: 10.1016/0375-9474(85)90377-X
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1984GU01      Phys.Rev.Lett. 52, 102 (1984)

M.Guttormsen, J.Rekstad, A.Henriquez, F.Ingebretsen, T.F.Thorsteinsen

Nonstatistical Cooling of the Highly Excited 161Dy Nucleus

NUCLEAR REACTIONS 162Dy(3He, α), E=26 MeV; measured Eα, αγ-coin, Eγ. 161Dy deduced enhanced single-quasiparticle transitions, possible unstretched M1 transitions, statistical cooling competition.

doi: 10.1103/PhysRevLett.52.102
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1984RA03      Nucl.Phys. A414, 269 (1984)

T.Ramsoy, J.Rekstad, A.Henriquez, F.Ingebretsen, M.Guttormsen, E.Hammaren, T.F.Thorsteinsen

Deep-Lying νh11/2 Hole States in 145Nd

NUCLEAR REACTIONS 146Nd(3He, α), E=26 MeV; measured σ(Eγ, θ), Eγ, Iγ, γα-coin. 145Nd deduced levels, γ-ray multiplicity, level density, spectroscopic strength. Enriched target, Ge(Li), NaI(Tl), Si detectors. Fermi gas model analysis.

doi: 10.1016/0375-9474(84)90644-4
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1984RE04      Nucl.Phys. A417, 376 (1984)

J.Rekstad, B.Nordmoen, A.Henriques, F.Ingebretsen, S.Messelt, T.F.Thorsteinsen, E.Hammaren

The (3He, α) Strength Functions in Rare-Earth Nuclei

NUCLEAR REACTIONS 156,157Gd, 171Yb(3He, α), E=26 MeV; measured σ(Eα, θ), αγ-coin. 155,156Gd, 170Yb levels deduced L, J, π, S. Enriched targets. DWBA calculations. Comparison to particle-plus-rotor model.

doi: 10.1016/0375-9474(84)90403-2
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1983AA01      Phys.Rev. C28, 1857 (1983)

R.M.Aasen, J.Rekstad, A.Henriquez, F.Ingebretsen, M.Guttormsen, T.Engeland

Gamma-Ray Energy Dependence of Transition Probabilities in the Continuum

NUCLEAR REACTIONS 149Sm(3He, α), E=26 MeV; measured σ(E(α)), γα-coin. 148Sm deduced γ-ray multiplicity. Enriched target, Ge(Li), NaI(Tl), Si detectors. Fermi gas model analysis.

doi: 10.1103/PhysRevC.28.1857
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1983HE19      Phys.Lett. 130B, 171 (1983)

A.Henriquez, J.Rekstad, F.Ingebretsen, M.Guttormsen, K.Eldhuset, B.Nordmoen, T.Ramsoy, R.Renstrom-Pedersen, R.M.Aasen

The Decay from the Two-Quasiparticle Regime in Even-Even Deformed Rare Earth Nuclei

NUCLEAR REACTIONS 171Yb, 161Dy(3He, α), E=26 MeV; measured Eγ, Iγ, αγ-coin, αγ(θ). 170Yb, 160Dy deduced ground state band transition, dipole character, initial, final state configurations. Two-quasiparticle scheme.

doi: 10.1016/0370-2693(83)91035-3
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1983RE09      Phys.Scr. T5, 45 (1983)

J.Rekstad, A.Henriquez, F.Ingebretsen, G.Midttun, B.Skaali, R.Oyan, J.Wikne, T.Engeland, T.G.Thorsteinsen, E.Hammaren, E.Liukkonen

A Study of the Nuclear Structure at High Energy and Low Spin

NUCLEAR REACTIONS 147,149Sm, 155,157Gd, 161,163Dy(3He, α), E=26 MeV; measured Eα, Iα, γα-coin, γ-multiplicity spectra; deduced structure change in deformed nuclei. 146,148Sm, 156Gd, 160,162Dy deduced < Eγ > vs excitation energy. 154Gd deduced < Eγ > vs excitation energy, γ-transition relative intensities.

doi: 10.1088/0031-8949/1983/T5/007
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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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1982RE16      Phys.Lett. 117B, 384 (1982)

J.Rekstad, A.Henriquez, F.Ingebretsen, G.Midttun, B.Skaali, R.Oyan, R.Haugland, S.Messelt, T.F.Thorsteinsen, G.Lovhoiden, L.P.Ekstrom

The Variation in γ-Ray Multiplicity with Nuclear Temperature Studied in 160Dy

NUCLEAR REACTIONS 161Dy(3He, α), E=26 MeV; measured σ(Eα), αγ-coin, γ multiplicity. 160Dy deduced level density parameter.

doi: 10.1016/0370-2693(82)90564-0
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1980GU07      Nucl.Phys. A338, 141 (1980)

M.Guttormsen, T.Pedersen, J.Rekstad, T.Engeland, E.Osnes, F.Ingebretsen

The Particle-Rotor Model with Pairing in the s-d Shell. An Analysis Of the 23Na Nucleus

NUCLEAR STRUCTURE 23Na; calculated stripping, pickup S, levels, T1/2, B(λ). Particle-rotor model, pairing effects.

doi: 10.1016/0375-9474(80)90126-8
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1977EL04      Nucl.Phys. A283, 12 (1977)

F.A.El-Akad, S.Backe, T.Holtebekk, F.Ingebretsen, J.Rekstad

Mean Lives of Excited States in 28Al

NUCLEAR REACTIONS 27Al(d, pγ), E=2.4 MeV; measured σ(Ep, Eγ), Doppler shift attenuation. 28Al levels deduced T1/2, J, π, T.

doi: 10.1016/0375-9474(77)90695-9
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1972BA04      Nucl.Phys. A180, 517 (1972)

G.C.Ball, J.S.Forster, F.Ingebretsen, C.F.Monahan

Lifetimes in 43Sc

NUCLEAR REACTIONS 40Ca(α, pγ), E=7-12 MeV; measured σ(Eγ, θ(γ)), Doppler-shift attenuation. 43Sc deduced levels, γ-branching ratios, mean T1/2. Natural targets.

doi: 10.1016/0375-9474(72)90876-7
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1972BR33      Nucl.Phys. A192, 291 (1972)

C.Broude, J.S.Forster, F.Ingebretsen

Electromagnetic Transition Strengths in 35Cl

NUCLEAR REACTIONS 32S(α, p), E=10 MeV; measured Eγ, Doppler-shift attenuation. 35Cl deduced levels, J, π, T1/2. Natural target.

doi: 10.1016/0375-9474(72)90260-6
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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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1972HS01      Nucl.Phys. A179, 80 (1972)

T.H.Hsu, R.Fournier, B.Hird, J.Kroon, G.C.Ball, F.Ingebretsen

Levels Excited in the 70Ge(p, d)69Ge and 70Ge(p, t)68Ge Reactions

NUCLEAR REACTIONS 70Ge(p, d), (p, t), E=20.0 MeV; measured σ(θ). 70Ge(p, t); measured Q. 69Ge deduced levels, L, S. 68Ge deduced levels, J, π, mass excess. Enriched target.

doi: 10.1016/0375-9474(72)90106-6
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1971IN02      Nucl.Phys. A161, 433 (1971)

F.Ingebretsen, B.W.Sargent, A.J.Ferguson, J.R.Leslie, A.Henrikson, J.H.Montague

Evidence for Vibrational Excited States in 32S

NUCLEAR REACTIONS 32S(p, p'γ), E=9.275 MeV; measured σ(Ep', Eγ, θ(p'γ)), Doppler-shift attenuation. 31P(p, γ), E=1.555 MeV; measured σ(Eγ, θ(γ)). 32S deduced levels, J, γ-mixing, T1/2, B(E2). Natural targets.

doi: 10.1016/0375-9474(71)90379-4
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1971KR14      Nucl.Phys. A172, 99 (1971)

J.Kroon, R.Fournier, R.J.W.Hodgson, B.Hird, R.W.Ollerhead, F.Ingebretsen

Structure Information on 26Mg from the 26Mg(p, d)25Mg Reaction at 20 Mev

NUCLEAR REACTIONS 26Mg(p, d), E=20.0 MeV; measured σ(θ). 25Mg levels deduced S. Enriched target.

doi: 10.1016/0375-9474(71)90118-7
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1970BA51      Can.J.Phys. 48, 2735 (1970)

G.C.Ball, J.S.Forster, F.Ingebretsen, C.F.Monahan

Properties of Low-Lying States in 43Sc

NUCLEAR REACTIONS 40Ca(α, pγ), E=11.8-15.5 MeV; measured σ(E;Ep, Eγ, θ(pγ)). 43Sc deduced levels, J, π, γ-branching, γ-mixing.

doi: 10.1139/p70-340
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1970FO06      Phys.Lett. 32B, 451 (1970)

J.S.Forster, G.C.Ball, F.Ingebretsen, C.F.Monahan

Evidence for Rotational Structure in 43Sc

NUCLEAR REACTIONS 40Ca(α, pγ), E=7-12 MeV; measured σ(E;Eγ, θ(γ)), Doppler shift attenuation. 43Sc levels deduced J, T1/2, γ-mixing.

doi: 10.1016/0370-2693(70)90380-1
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1970HO09      Can.J.Phys. 48, 1259 (1970)

B.W.Hooton, O.Hausser, F.Ingebretsen, T.K.Alexander

Level Structure of 35Cl from the 32S(α, pγ)35Cl Reaction

NUCLEAR REACTIONS 32S(α, pγ), E=10.975, 11.960, 12.120 MeV; measured σ(Ep, Eγ, θ(pγ)). 35Cl deduced levels, J, π, γ-branching, γ-mixing.

doi: 10.1139/p70-158
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1970IN01      Phys.Lett. 31B, 297 (1970)

F.Ingebretsen, C.Broude, J.S.Forster

Properties of the 3942 keV Level in 35Cl and Evidence for a Ground State Rotational Band

NUCLEAR REACTIONS 32S(α, pγ), E=10 MeV; measured Doppler shift attenuation, Eγ. 35Cl deduced levels, T1/2, π, ground-state rotational band, branching ratios, γ-mixing.

doi: 10.1016/0370-2693(70)90176-0
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1969IN04      Can.J.Phys. 47, 1295(1969)

F.Ingebretsen, T.K.Alexander, O.Hausser, D.Pelte

Lifetime Measurements of the Six Lowest Lying Levels in 35Cl

NUCLEAR REACTIONS 32S(α, pγ), E = 7-9 MeV; measured Eγ, Doppler shift attenuation. 35Cl deduced levels, T1/2, γ-branching, J. Ge(Li) detectors.

doi: 10.1139/p69-165
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1965NO03      Phys.Letters 16, 163 (1965)

R.Nordhagen, M.Hoffman, F.Ingebretsen, A.Tveter

An Octupole Transition in 28Si

NUCLEAR STRUCTURE 28Si; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0031-9163(65)90169-1
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1963AN14      Physica Norvegica 1, 187 (1963)

S.L.Andersen, K.Gjotterud, F.Ingebretsen

Analysis of γ-γ Angular Correlation Measurements in Aligned Nuclei

NUCLEAR STRUCTURE 32S; measured not abstracted; deduced nuclear properties.


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