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Search: Author = S.Bjornholm

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1990BA09      Phys.Rev. C41, 1495 (1990)

B.B.Back, S.Bjornholm, T.Dossing, W.Q.Shen, K.D.Hildenbrand, A.Gobbi, S.P.Sorensen

Relaxation of Angular Momentum in Fission and Quasifission Reactions

NUCLEAR REACTIONS ¹⁶O, ²⁶Mg, ²⁷Al, ³²S, ³⁵Cl, ^40,48Ca, Zn(²³⁸U, X), E=1285, 1404, 1595, 1785 MeV; measured γ-ray multiplicity vs fragment mass. Quasifission reactions.

doi: 10.1103/PhysRevC.41.1495
Citations: PlumX Metrics

1988CH27      Nucl.Phys. A485, 136 (1988)

P.Chowdhury, B.Fabricius, C.Christensen, F.Azgui, S.Bjornholm, J.Borggreen, A.Holm, J.Pedersen, G.Sletten, M.A.Bentley, D.Howe, A.R.Mokhtar, J.D.Morrison, J.F.Sharpey-Schafer, P.M.Walker, R.M.Lieder

Decay of High-Spin Isomers in Os Nuclei by Barrier Penetration

NUCLEAR REACTIONS ¹⁵⁰Nd(³⁶S, 4n), E=160 MeV; ¹⁷⁰Er(¹⁸O, 4n), E=85 MeV; measured E(γ), I(ce), I(γ), γγ-coin, I(γ)(θ). ^182,184Os deduced levels, J, π, K, g(K), configurations, T_1/2. Ge-multi-array, Compton shields, pulsed beam, recoil technique.

doi: 10.1016/0375-9474(88)90526-X
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1987BO10      Nucl.Phys. A466, 371 (1987)

J.Borggreen, G.Sletten, S.Bjornholm, J.Pedersen, A.Del Zoppo, D.C.Radford, R.V.F.Janssens, P.Chowdhury, H.Emling, D.Frekers, T.L.Khoo

Single Particle Radiation between High Spin States in ¹⁴⁷Gd

NUCLEAR REACTIONS ¹²²Sn(³⁰Si, 5n), E=153 MeV; measured γγ-coin, Iγ(θ), recoil distance. ¹⁴⁷Gd deduced levels, J, π, T_1/2, configurations. Ge detectors, NaI array, plunger, bunched beam.

doi: 10.1016/0375-9474(87)90447-7
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1987SH11      Phys.Rev. C36, 115 (1987)

W.Q.Shen, J.Albinski, A.Gobbi, S.Gralla, K.D.Hildenbrand, N.Herrmann, J.Kuzminski, W.F.J.Muller, H.Stelzer, J.Toke, B.B.Back, S.Bjornholm, S.P.Sorensen

Fission and Quasifission in U-Induced Reactions

NUCLEAR REACTIONS ¹⁶O, ²⁶Mg, ²⁷Al, ³²S, ³⁵Cl, ^40,48Ca, Zn(²³⁸U, X), E=4.6-7.5 MeV/nucleon; measured σ(fragment θ, mass), σ(fragment mass, total kinetic energy); deduced complete fusion σ, mass transfer rates, reaction times. Extra push model, nuclear dissipation mechanism.

doi: 10.1103/PhysRevC.36.115
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1986SH29      Europhys.Lett. 1, 113 (1986)

W.Q.Shen, J.Albinski, R.Bock, A.Gobbi, S.Gralla, K.D.Hildenbrand, N.Herrmann, J.Kuzminski, W.F.J.Muller, H.Stelzer, J.Toke, B.B.Back, S.Bjornholm, S.P.Sorensen, A.Olmi, G.Guarino

Characteristic Time for Mass Asymmetry Relaxation in Quasi-Fission Reactions.

NUCLEAR REACTIONS ³²S, ^40,48Ca, Zn(²³⁸U, F), E=4.6-7.5 MeV/nucleon; measured fission fragment σ(θ) vs mass, kinetic energy; deduced mass asymmetry degree of freedom relaxation time constant, driving force, shape characteristics, dissipation mechanism.

doi: 10.1209/0295-5075/1/3/004
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1985BO37      Nucl.Phys. A443, 120 (1985)

J.Borggreen, G.Sletten, S.Bjornholm, J.Pedersen, R.V.F.Janssens, I.Ahmad, P.Chowdhury, T.L.Khoo, Y.H.Chung, P.J.Daly

Nuclear Structure Effects in the Feeding of Yrast States of Gd, Dy and Er Nuclei

NUCLEAR REACTIONS ^120,122,124Sn(³⁰Si, xn), E=145, 153 MeV; ¹³⁰Te(³⁰Si, xn), E=137 MeV; ^{118,120,122,124}Sn(³⁴S, xn), E=155-165 MeV; ^{122,124,126,128,130}Te(³⁴S, xn), E=155, 170 MeV; measured Iγ. ^{146,147,148,149}Gd, ^{148,150,151,152,154,155,156}Dy, ^{152,153,154,155,156,157,158,159,160}Er deduced yrast population. Ge detector, NaI array.

doi: 10.1016/0375-9474(85)90324-0
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1985LU01      Z.Phys. A320, 529 (1985)

K.Lutzenkirchen, J.V.Kratz, G.Wirth, W.Bruchle, L.Dorr, K.Summerer, R.Lucas, J.Poitou, C.Gregoire, S.Bjornholm

Angular Distributions in Quasi-Fission Reactions: Evidence for incomplete relaxation of the tilting mode

NUCLEAR REACTIONS ²⁰⁸Pb(⁵⁰Ti, X), E=5, 5.5 MeV/nucleon; ²⁰⁸Pb(⁵⁶Fe, X), E=5.7-8.3 MeV/nucleon; measured σ(fragment θ, Z); deduced reaction mechanism.

1985PE01      Phys.Rev.Lett. 54, 306 (1985)

J.Pedersen, B.B.Back, S.Bjornholm, J.Borggreen, M.Diebel, G.Sletten, F.Azgui, H.Emling, H.Grein, G.Seiler-Clark, W.Spreng, H.J.Wollersheim, P.Walker, S.Aberg

Population of Triaxial Rotor Levels in ¹⁸²Os

NUCLEAR REACTIONS ⁴⁸Ca, ^48,50Ti(¹³⁶Xe, X), E=4.3-4.8 MeV/nucleon; measured Eγ, Iγ. ¹⁸²Os deduced isomer, J, T_1/2, decay characteristics, K selection rule violation, yrast configuration triaxiality.

doi: 10.1103/PhysRevLett.54.306
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1985PE07      Z.Phys. A321, 567 (1985)

J.Pedersen, B.B.Back, S.Bjornholm, J.Borggreen, G.Sletten, F.Azgui, H.Emling, H.Grein, G.Seiler-Clark, W.Spreng, H.J.Wollersheim, P.Walker

High-Spin Isomers in W and Os Nuclei; Competition between K-quantization and triaxiality

NUCLEAR REACTIONS ⁴⁸Ca, ^48,50Ti(¹³⁶Xe, X), E=584-647 MeV; measured Eγ, Iγ, γ(t). ^178,180W, ^182,183,180Os deduced levels, K, J, π, γ-branching, isomers.

doi: 10.1007/BF01432431
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1985TO12      Nucl.Phys. A440, 327 (1985)

J.Toke, R.Bock, G.X.Dai, A.Gobbi, S.Gralla, K.D.Hildenbrand, J.Kuzminski, W.F.J.Muller, A.Olmi, H.Stelzer, B.B.Back, S.Bjornholm

Quasi-Fission - The Mass-Drift Mode in Heavy-Ion Reactions

NUCLEAR REACTIONS, ICPND ¹⁶O, ²⁷Al, ⁴⁸Ca, ⁴⁵Sc, ⁴⁸Ti, ⁵⁸Fe, ⁶⁴Ni, ⁸⁹Y(²³⁸U, X), E=5.4, 6 MeV/nucleon; measured σ(fragment θ, E, mass); deduced reaction, capture σ, model parameters. ²⁵⁴Fm, ²⁶⁵Db, ²⁸⁶Cn, ²⁸³113, ²⁸⁶Fl, ²⁹⁶Og, ³⁰²120, ³²⁷131 deduced T_1/2, mass asymmetry relaxation degree. Extra push model.

doi: 10.1016/0375-9474(85)90344-6
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1984GU11      Nucl.Phys. A424, 157 (1984)

G.Guarino, A.Gobbi, K.D.Hildenbrand, W.F.J.Muller, A.Olmi, H.Sann, S.Bjornholm, G.Rudolf

Mass Drift in Reactions between a Heavy and a Light Nucleus

NUCLEAR REACTIONS ⁴⁸Ca, ⁵⁰Ti(²³⁸U, X), ²⁰⁸Pb(⁵⁶Fe, X), E=4.6-6.1 MeV/nucleon; measured σ(fragment, θ, E, A); deduced mass drift vs energy loss, θ.

doi: 10.1016/0375-9474(84)90133-7
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1984SL03      Phys.Lett. 135B, 33 (1984)

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

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

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

doi: 10.1016/0370-2693(84)90448-9
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1984TO08      Phys.Lett. 142B, 258 (1984)

J.Toke, R.Bock, Dai Guang-xi, A.Gobbi, S.Gralla, K.D.Hildenbrand, J.Kuzminski, W.F.J.Muller, A.Olmi, W.Reisdorf, S.Bjornholm, B.B.Back

Compound Nucleus Fission and Quasi-Fission in Reactions of ²³⁸U with ¹⁶O and ²⁷Al

NUCLEAR REACTIONS ¹⁶O, ²⁷Al(²³⁸U, F), E=6 MeV/nucleon; measured fission fragment yield vs mass, θ, energy; deduced fission mechanism, fission σ.

doi: 10.1016/0370-2693(84)91194-8
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1983KH03      Phys.Scr. T5, 16 (1983)

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

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

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

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

doi: 10.1088/0031-8949/1983/T5/003
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1983PE13      Phys.Scr. T5, 162 (1983)

J.Pedersen, S.Bjornholm, J.Borggreen, J.Kownacki, G.Sletten

Intrinsic Excitations as Yrast Structures in ¹⁷⁹W above I ≈ (35/2)(h-bar)

NUCLEAR REACTIONS ¹⁷⁰Er(¹³C, 4n), E=61-65 MeV; measured γγ-coin. ¹⁷⁹W deduced levels, isomer T_1/2, yrast band, J, π, K, configurations, deformation aligned state dominance, high-spin degeneracy.

doi: 10.1088/0031-8949/1983/T5/030
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1982BJ03      Nucl.Phys. A391, 471 (1982)

S.Bjornholm, W.J.Swiatecki

Dynamical Aspects of Nucleus-Nucleus Collisions

NUCLEAR REACTIONS ¹¹⁶Sn, ¹⁴¹Pr(³⁵Cl, X), ¹⁰⁹Ag(⁴⁰Ar, X), ²⁰⁸Pb(²⁶Mg, X), (²⁷Al, X), (⁴⁸Ca, X), (⁵⁰Ti, X), (⁵²Cr, X), (⁵⁸Fe, X), (⁶⁴Ni, X), E(cm) ≈ 100-250 MeV; calculated σ(evaporation), fast, delayed fission, quasielastic σ vs E. ²⁴⁸Cm, ²⁵⁴Es, ²⁵²Cf(⁴⁸Ca, X), E(cm) ≈ 200-300 MeV; calculated superheavy formation characteristics. Macroscopic theory, touching, conditional, unconditional saddle point configurations.

doi: 10.1016/0375-9474(82)90621-2
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1982BO29      Nucl.Phys. A388, 334 (1982)

R.Bock, Y.T.Chu, M.Dakowski, A.Gobbi, E.Grosse, A.Olmi, H.Sann, D.Schwalm, U.Lynen, W.Muller, S.Bjornholm, H.Esbensen, W.Wolfli, E.Morenzoni

Dynamics of the Fusion Process

NUCLEAR REACTIONS ²⁶Mg, ²⁷Al, ⁵⁰Ti, ⁵²Cr, ⁵⁸Fe, ⁶⁴Ni(²⁰⁸Pb, X), E=5.2-8 MeV/nucleon; measured σ(fragment θ, E) vs mass, average γ-multiplicity, E(X-ray), I(X-ray); ⁴⁸Ca(²⁰⁸Pb, X), E=5.2-8 MeV/nucleon; measured σ(fragment θ, E) vs mass, average γ-multiplicity; deduced σ(capture), effective moment of inertia, coalescence model parameters. ²³⁴Pu, ²³⁵Am, ²⁵⁶Fm, ²⁵⁸Rf, ²⁶⁰Sg, ²⁶⁶Hs, ²⁷²Ds deduced T_1/2 limits.

doi: 10.1016/0375-9474(82)90420-1
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1981BA33      Phys.Scr. 24, 290 (1981)

C.V.K.Baba, S.Bjornholm, O.Christensen, B.Herskind, R.M.Lieder, J.Pedersen, G.Sletten, F.Folkmann, R.S.Simon

Non-Collective Properties of the Continuum Gamma Rays Feeding Two High-Spin Isomers in ¹⁵²Er

NUCLEAR REACTIONS ¹⁰⁸Pd(⁴⁸Ti, 4n), E=218-232 MeV; measured γγ-coin. ¹⁵²Er deduced levels, isomer T_1/2, γ-branching, yrast cascade γ-multipolarity, shape. Continuum γ-rays.

doi: 10.1088/0031-8949/24/1B/025
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1981SA29      Phys.Rev.Lett. 47, 1248 (1981)

H.Sann, R.Bock, Y.T.Chu, A.Gobbi, A.Olmi, U.Lynen, W.Muller, S.Bjornholm, H.Esbensen

Deformability as a Critical Factor in Initiating Fusion between very Heavy-Ions

NUCLEAR REACTIONS ²⁶Mg, ²⁷Al, ⁴⁸Ca, ⁵⁰Ti, ⁵²Cr, ⁵⁸Fe(²⁰⁸Pb, X), E > barrier; measured σ(fusion); deduced deformability role.

doi: 10.1103/PhysRevLett.47.1248
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1980BJ02      Rev.Mod.Phys. 52, 725 (1980)

S.Bjornholm, J.E.Lynn

The Double-Humped Fission Barrier

NUCLEAR STRUCTURE A=231-245; analyzed resonance structure, fission data; deduced fission features. Double-humped fission barrier concept.

doi: 10.1103/RevModPhys.52.725
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1980BO07      Z.Phys. A294, 113 (1980)

J.Borggreen, S.Bjornholm, O.Christensen, A.Del Zoppo, B.Herskind, J.Pedersen, G.Sletten, F.Folkmann, R.S.Simon

Gamma-Spectroscopy within the Island of High-Spin Isomers Near N=82

NUCLEAR REACTIONS ¹⁰⁶Pd, ¹⁰⁰Mo(⁵⁰Ti, xnγ), (⁶⁵Cu, xnγ), E=4.6 MeV/nucleon; measured Eγ, Iγ, γ(t), sum spectra. ^144,147Gd, ¹⁴⁸Tb, ^151,152Dy, ^{149,150,151,152,153}Ho, ^{151,152,153,154}Er deduced levels, T_1/2, J, π.

doi: 10.1007/BF01435046
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1978BA33      Nucl.Phys. A302, 343 (1978)

B.B.Back, S.Bjornholm

Fission Induced by Heavy-Ion Collisions

NUCLEAR REACTIONS ¹⁹⁷Au, ²⁰⁹Bi, ²³⁸U(α, F); calculated fragment (θ) parameters for totally, partly polarized nuclei.

doi: 10.1016/0375-9474(78)90304-4
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1977PE15      Phys.Rev.Lett. 39, 990 (1977)

J.Pedersen, B.B.Back, F.M.Bernthal, S.Bjornholm, J.Borggreen, O.Christensen, F.Folkmann, B.Herskind, T.L.Khoo, M.Neiman, F.Puhlhofer, G.Sletten

Island of High-Spin Isomers Near N = 82

NUCLEAR STRUCTURE ^146,147Gd; measured reaction γ-multiplicities, delayed S-width; deduced T_1/2 of high spin isomers.

doi: 10.1103/PhysRevLett.39.990
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1974BA26      Nucl.Phys. A222, 377 (1974)

B.B.Back, J.Bang, S.Bjornholm, J.Hattula, P.Kleinheinz, J.R.Lien

Neutron Strength Functions in Rare Earth Nuclei

NUCLEAR REACTIONS ^156,158,160Gd, ^160,162,164Dy, ^166,168,170Er, ^{170,172,174,176}Yb(d, p), E=9 MeV; measured σ(Ep). ^157,159,161Gd, ^161,163,165Dy, ^167,169,171Er, ^{171,173,175,177}Yb deduced neutron strength functions.

doi: 10.1016/0375-9474(74)90397-2
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1974ME10      Nucl.Instrum.Methods 114, 445 (1974)

V.Metag, E.Liukkonen, G.Sletten, O.Glomset, S.Bjornholm

Detection of Fission Isomers with Half-Lives in the Picosecond Range by the Recoil-Distance Technique

NUCLEAR REACTIONS ²³⁷Np(p, F), ²⁴²Pu(d, pnF); measured recoil distance. ²⁴²Pu level deduced T_1/2.

doi: 10.1016/0029-554X(74)90165-7
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1973ME23      Nucl.Phys. A213, 397 (1973)

V.Metag, S.M.Lee, E.Liukkonen, G.Sletten, S.Bjornholm, A.S.Jensen

Neutron-Fission Competition Near Threshold; The Influence of Shells and Pairing on the Decay of the ²⁴¹Cm Compound Nucleus

NUCLEAR REACTIONS ²³⁸Pu(α, n), E=19.9-23 MeV; ²³⁸Pu(α, 2n), E=19.9-27 MeV; ²⁴¹Am(p, 2n), E=8.2-16 MeV; measured σ(²⁴¹Cm), σ(²⁴⁰Cm), σ(fission). ^241,242Cm deduced n-width, F-width.

doi: 10.1016/0375-9474(73)90160-7
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetB0007.

1973SO01      Nucl.Phys. A202, 274 (1973)

A.Sobiczewski, S.Bjornholm

The Moment of Inertia and the Energy Gap of Fission Isomers

doi: 10.1016/0375-9474(73)90224-8
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1970BJ02      Nucl.Phys. A156, 561 (1970)

S.Bjornholm, J.Borggreen, E.K.Hyde

Search for New Islands of Fission Isomerism

NUCLEAR REACTIONS ¹⁹⁷Au(HI, X), E=5-10 MeV/nucleon for HI=¹¹B, ¹²C, ¹⁴N, ¹⁶O; measured σ(E) for SF-isomers. ^{200,201,202,203,204}Po, ^{201,202,203,204,205}At, ^{202,203,204,205,206,207}Rn, ^{202,203,204,205,206,207,208,209,210}Fr deduced no SF-isomer (σ < 0.1 μb) with 2ns < T_1/2<2000s.

doi: 10.1016/0375-9474(70)90252-6
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1969BJ02      Nucl.Phys. A136, 1 (1969)

S.Bjornholm, V.M.Strutinsky

Intermediate States in Fission

doi: 10.1016/0375-9474(69)90035-9
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1969LA14      Nucl.Phys. A139, 481 (1969)

N.L.Lark, G.Sletten, J.Pedersen, S.Bjornholm

Spontaneously Fissioning Isomers in U, Np, Pu and Am Isotopes

RADIOACTIVITY, Fission ^236mU, ^239mNp, ^236mPu, ^237mPu, ^240mPu, ^241mPu, ^242mPu, ^243mPu, ^239mAm, ^241mAm(SF); measured T_1/2.

NUCLEAR REACTIONS ²³⁵U, ^239,241,242Pu(d, p), ²⁴⁰Pu(d, X), E=11-13 MeV; measured σ delayed fission. ²³⁷Np(p, 2n), E=9-14 MeV; ²⁴⁰Pu(p, 2n), E=10-13 MeV; ²⁴²Pu(p, 2n), E=8.8-13 MeV; measured σ delayed fission; deduced thresholds. ²³⁸U, ²³⁷Np(d, X), ²³⁹Pu, ²⁴¹Pu(d, 2n), E=13 MeV; measured σ delayed fission. ²³⁷Np(p, 2n), E=13 MeV; measured σ ground state. Enriched targets.

doi: 10.1016/0375-9474(69)90273-5
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2328.

1968BJ04      Yadern.Fiz. 8, 459 (1968); Soviet J.Nucl.Phys. 8, 267 (1969)

S.Bjornholm, I.Borggreen, Y.P.Gangrskii, G.Sletten

Investigation of (d, p) and (d, t) Reactions Leading to Spontaneously Fissile Isomeric States

NUCLEAR REACTIONS ^241,243Am(d, p), (d, t), E=9-13 MeV; measured σ(E); deduced isomeric ratio.

1968BJ05      Nucl.Phys. A118, 241 (1968)

S.Bjornholm, J.Dubois, B.Elbek

Energy Levels in ²³⁴U Populated by the ²³³U(d, p) and ²³⁵U(d, t) Processes

NUCLEAR REACTIONS ²³³U(d, p), ²³⁵U(d, t), E=13 MeV; measured σ(Ep, 90°), σ(Ep, 125°), σ(Et, 90°), σ(Et, 125°). ²³⁴U levels deduced J, K, π, S. Enriched targets.

doi: 10.1016/0375-9474(68)90336-9
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1968BJ06      Nucl.Phys. A118, 261(1968)

S.Bjornholm, J.Borggreen, D.Davies, N.J.S.Hansen, J.Pedersen, H.L.Nielsen

Energy Levels in ²³⁴U Populated in the β-Decay of ²³⁴Pa(UZ)

RADIOACTIVITY ²³⁴Pa [from ²³⁸U decay]; measured Eγ, Eβ, Iγ, I(ce), Iβ, βγ-, γγ-, ceγ-coin, γγ-delay. ²³⁴U deduced levels, J, π. Ge(Li) detector.

doi: 10.1016/0375-9474(68)90337-0
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1967BJ03      Nucl.Phys. A95, 513 (1967)

S.Bjornholm, J.Borggreen, L.Westgaard, V.A.Karnaukhov

Excitation Energy of the Spontaneously Fissioning Isomeric State in ²⁴⁰Am

NUCLEAR REACTIONS ²⁴⁰Pu(d, 2n), E = 12.1 MeV; ²⁴⁰Pu(p, n), E = 10.3-11.3 MeV; measured σ (delayed fission). ²⁴¹Pu(p, 2n), E = 9.6-13.6 MeV; measured σ (delayed fission); deduced threshold. Enriched target. ^240mAm measured T_1/2 for spontaneous fission.

doi: 10.1016/0375-9474(67)90846-9
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2042.

1967BO08      Nucl.Phys. A96, 561 (1967)

J.Borggreen, N.J.S.Hansen, J.Pedersen, L.Westgaard, J.Zylicz, S.Bjornholm

Isomerism in ¹⁷⁶Hf and Some Neighbouring Even Nuclei

NUCLEAR REACTIONS ¹⁷⁶Lu(p, nγ), ¹⁸¹Ta(p, 2nγ), E = 10, 12 MeV; measured pγ-delay. ¹⁷³Yb(d, pγ), ¹⁷⁶Yb(d, d'γ), E = 12 MeV; measured dγ-delay. ¹⁷⁶Hf, ^174,176Yb, ¹⁸⁰W levels deduced T_1/2. Enriched ¹⁷⁶Lu, ^173,176Yb targets, Ge(Li) detector. ^176mHf, ^174m,176mYb, ^180mW; measured Eγ, Iγ, I(ce), γγ-, γce-coin, γce-delay. ¹⁷⁶Hf, ^174,176Yb, ¹⁸⁰W deduced levels, T_1/2, J, π.

doi: 10.1016/0375-9474(67)90605-7
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1967BO23      Phys.Letters 25B, 402 (1967)

J.Borggreen, Y.P.Gangrsky, G.Sletten, S.Bjornholm

A New Spontaneously Fissioning Isomer: ²³⁸Am

NUCLEAR STRUCTURE ²³⁸Am; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0370-2693(67)90158-X
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1966BJ04      Priv.Comm. (1966)

S.Bjornholm

NUCLEAR STRUCTURE ²⁴²Am; measured not abstracted; deduced nuclear properties.

1966BO02      Nucl.Phys. 77, 619 (1966)

J.Borggreen, H.J.Frahm, N.J.S.Hansen, S.Bjornholm

Lifetimes of E3 Transitions in the Odd-Mass Ho Isotopes

RADIOACTIVITY ¹⁵⁹Ho, ¹⁶¹Ho, ¹⁶³Ho isomers [from ¹⁶⁰Dy, ¹⁶¹Dy, ¹⁶²Dy, ¹⁶³Dy(p, n)(p, 2n)], measured Eγ, Iγ, ce, ICC, T_1/2. ¹⁵⁹Ho, ¹⁶¹Ho, ¹⁶³Ho deduced level , J, π. Enriched targets. ¹⁶⁰Dy, ¹⁶¹Dy, ¹⁶²Dy, ¹⁶³Dy (p, n)(p, 2n), E=9-13 MeV; measured σ, p, isomer. Enriched targets.

doi: 10.1016/0029-5582(66)90787-5
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1966BR23      Nucl.Phys. 89, 267 (1966)

D.S.Brenner, L.Westgaard, S.Bjornholm

A Study of Nuclear Isomers Which Decay by Spontaneous Fission

RADIOACTIVITY ²⁴²Am isomer [from ²⁴²Pu(d, 2n)]; measured T_1/2(SF), E(fragment)-spectrum. Enriched target. ²⁴²Pu(d, 2n), (d, F), E = 12 MeV; measured σ(F)(delayed)/σ(F)(prompt). Enriched target. ²³²Th, ²³⁵U, ²³⁹Pu, ²⁴¹Am, ²⁴³Am(d, xn)(d, F), E = 12 MeV; ²⁴³Am(p, xn)(p, F), E = 13 MeV; measured upper limits σ(F)(delayed)/σ(F)(prompt). Enriched targets.

doi: 10.1016/S0029-5582(66)80089-5
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2041.

1965BJ01      Nucl.Phys. 73, 593 (1965)

S.Bjornholm, J.Borggreen, H.J.Frahm, N.J.S.Hansen

Isomers in Odd-Mass Lu Isotopes, Ascribed to the (541)1/2^- Nilsson Configuration

RADIOACTIVITY ^{169,171,173,175}Lu [from ^{170,171,173,176}Yb (p, xn)]; measured T_1/2, Eγ, ICC. ^{169,171,173,175}Lu deduced levels, J, π. Enriched targets.

doi: 10.1016/0029-5582(65)90704-2
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1965BJ03      Phys.Rev. 140, B816 (1965)

S.Bjornholm, J.Borggreen, H.J.Frahm, N.J.S.Hansen, O.Schult

Decay of the 185-μsec Isomer in Ho¹⁶⁶

NUCLEAR STRUCTURE ¹⁶⁶Ho; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.140.B816
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1965BO22      Nucl.Phys. 72, 509 (1965)

J.Borggreen, H.J.Frahm, N.J.S.Hansen, S.Bjornholm

Observation of the (505)11/2^- Nilsson State as an Isomer in ¹⁵⁹Dy

NUCLEAR REACTIONS ¹⁵⁹Tb(p, n), E = 8-12 MeV; ¹⁵⁹Tb(d, 2n) E = 12 MeV; Gd(α, xn), E = 18 MeV; measured σ(Ep), pγ-delay. ¹⁵⁹Dy deduced T_1/2. ¹⁵⁹Dy; measured Eγ, Iγ, ICC. ¹⁵⁹Dy deduced levels, J, π.

doi: 10.1016/0029-5582(65)90407-4
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1964AS01      Phys. Rev. 133, B291 (1964)

F.Asaro, S.Bjornholm, I.Perlman

Decay Scheme of Fm²⁵⁵

NUCLEAR STRUCTURE ²⁵⁵Fm; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.133.B291
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1963BJ01      Nucl.Phys. 42, 469 (1963)

S.Bjornholm, F.Boehm, A.B.Knutsen, O.B.Nielsen

Levels in U²³² Excited in the β Decay of Pa²³²

NUCLEAR STRUCTURE ²³²Pa; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0029-5582(63)90750-8
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1963BJ02      Nucl.Phys. 42, 642 (1963)

S.Bjornholm, O.B.Nielsen

The Decay of the 1.14 min Isomer of Pa²³⁴ (UX₂)

NUCLEAR STRUCTURE ²³⁴Th, ²³⁴Pa; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0029-5582(63)90766-1
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1963BJ03      Phys.Rev. 130, 2000 (1963)

S.Bjornholm, C.M.Lederer, F.Asaro, I.Perlman

Alpha Decay to Vibrational States

NUCLEAR STRUCTURE ²³⁴U, ²⁴²Cm, ²⁴⁴Cm, ²⁵²Cf, ²³⁸Pu, ²³⁹Pu, ²⁵⁴Fm, ²⁵³Es; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.130.2000
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1963HA30      Nucl.Phys. 45, 417 (1963)

P.G.Hansen, K.Wilsky, S.Bjornholm

Decay of an Isomeric State in U²³⁴

NUCLEAR STRUCTURE ²³⁴Pa; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0029-5582(63)90816-2
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1962BJ01      Nuclear Phys. 30, 488 (1962)

S.Bjornholm, O.B.Nielsen

A Study of the β-Decay of Pa²³⁴ (UZ)

NUCLEAR STRUCTURE ²³⁴Pa; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0029-5582(62)90073-1
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1961AR14      Nuclear Phys. 27, 352 (1961); Erratum Nuclear Phys. 21, 406 (1960)

E.Arbman, S.Bjornholm, O.B.Nielsen

Levels in Th²²⁸ in the Electron Capture Decay of Pa²²⁸

NUCLEAR STRUCTURE ²²⁸Pa; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0029-5582(61)90356-X
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1961BJ01      Bull.Am.Phys.Soc. 6, No.3, 239, E9 (1961)

S.Bjornholm, A.B.Knutsen, O.B.Nielsen

Rotational and Vibrational Levels in U²³²

NUCLEAR STRUCTURE ²³²Pa; measured not abstracted; deduced nuclear properties.

1961BJ02      J.Inorg.Nuclear Chem. 21, 193 (1961)

S.Bjornholm, H.L.Nielsen, O.B.Nielsen, G.Sidenius, O.Skilbreid, A.Svanheden

Some Neutron-Deficient Isotopes of Thulium and Erbium. A Survey of Half-Lives and Gamma-Ray Spectra with the Use of Mass-Separated Samples

NUCLEAR STRUCTURE ¹⁵⁹Dy, ¹⁶²Tm, ¹⁶¹Ho, ¹⁶⁰Er, ¹⁶⁷Tm, ¹⁶⁶Tm, ¹⁶³Er, ¹⁶³Ho, ¹⁶³Tm, ¹⁶⁵Er, ¹⁶⁴Tm, ¹⁶⁸Tm, ¹⁶⁹Er, ¹⁶⁵Tm; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0022-1902(61)80292-3
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1961NI12      Quoted in 64Hy02, p.679 (1961); Priv.Comm. (1970)

O.B.Nielsen, H.Nordby, S.Bjornholm

NUCLEAR STRUCTURE ²³⁰Pa; measured not abstracted; deduced nuclear properties.

1960AR06      Nuclear Phys. 21, 406 (1960)

E.Arbman, S.Bjornholm, O.B.Nielsen

Levels in Th²²⁸ Excited in the Electron Capture Decay of Pa²²⁸

NUCLEAR STRUCTURE ²²⁸Pa; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0029-5582(60)90066-3
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1960BE25      Kgl.Danske Videnskab.Selskab, Mat.-fys.Medd. 32, No.12 (1960)

R.E.Bell, S.Bjornholm, J.C.Severiens

Half Lives of First Excited States of Even Nuclei of Fm, Ra, Th, U, and Pu

NUCLEAR STRUCTURE ²³³U, ²³²Th, ²³²U, ²³⁴Th, ²³⁶Pu, ²³⁶U, ²³⁴U, ²²⁰Rn, ²²²Th, ²¹⁸Rn, ²²²Ra, ²²⁴Ra, ²²²Rn, ²³⁰Pa, ²³⁰Th, ²³⁰U, ²²⁸Th, ²²⁸Ac, ²²⁶Ra, ²²⁸Ra, ²²⁶Th, ²⁴²Cm, ²⁴⁴Cm, ²⁴⁰Pu, ²³⁸U, ²³⁸Pu; measured not abstracted; deduced nuclear properties.

1960TO10      J.Inorg.Nuclear Chem. 14, 1 (1960)

K.S.Toth, S.Bjornholm, M.H.Jorgensen, O.B.Nielsen, O.Skilbreid, A.Svanheden

The Light Terbium Isotopes. A Survey of Half-Lives and γ-Ray Spectra With the Use of Mass-Separated Samples

NUCLEAR STRUCTURE ¹⁵⁰Tb, ¹⁵¹Tb, ¹⁵²Tb, ¹⁴⁹Tb; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0022-1902(60)80190-X
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1959BJ39      Phys.Rev. 115, 1613 (1959)

S.Bjornholm, O.B.Nielsen, R.K.Sheline

Levels in Zr⁹⁰: Experimental

doi: 10.1103/PhysRev.115.1613
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1959TO29      Phys.Rev. 116, 118 (1959)

K.S.Toth, S.Bjornholm, M.Jorgensen, O.B.Nielsen, O.Skilbreid

Tb¹⁵⁰: A New Terbium Isotope

doi: 10.1103/PhysRev.116.118
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