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NSR database version of April 27, 2024.

Search: Author = T.Bjornstad

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2007OM01      Eur.Phys.J. D 45, 91 (2007)

J.P.Omtvedt, J.Alstad, T.Bjornstad, Ch.E.Dullmann, K.E.Gregorich, D.C.Hoffman, H.Nitsche, K.Opel, D.Polakova, F.Samadani, F.Schulz, G.Skarnemark, L.Stavsetra, R.Sudowe, L.Zheng

Chemical properties of the transactinide elements studied in liquid phase with SISAK

doi: 10.1140/epjd/e2007-00214-6
Citations: PlumX Metrics

1986AL11      Nucl.Instrum.Methods Phys.Res. A244, 490 (1986)

J.Alstad, T.Bjornstad, G.Skarnemark

TDD - A Method for On-Line Determination of Short Half-Lives

NUCLEAR REACTIONS ³⁶S(n, p), E=14 MeV; measured Eγ, Iγ; deduced σ.

RADIOACTIVITY ¹⁹O(β^-) [from ¹⁹F(n, p), E=14 MeV]; ^81mKr(IT) [from ⁸²Kr(p, 2n)⁸¹Rb-decay]; ^79mBr(IT) [from neutron irradiation of bromoform]; ^207mPb(IT) [from neutron irradiation on (C₂H₅)₄Pb]; ³⁶P(β^-) [from ³⁶S(n, p), E=14 MeV]; measured T_1/2. Two detector delay method.

doi: 10.1016/0168-9002(86)91072-7
Citations: PlumX Metrics

1986BJ01      Nucl.Phys. A453, 463 (1986)

T.Bjornstad, M.J.G.Borge, J.Blomqvist, R.D.Von Dincklage, G.T.Ewan, P.Hoff, B.Jonson, K.Kawade, A.Kerek, O.Klepper, G.Lovhoiden, S.Mattsson, G.Nyman, H.L.Ravn, G.Rudstam, K.Sistemich, O.Tengblad, and the ISOLDE Collaboration

The Doubly Closed Shell Nucleus ₅₀¹³²Sn₈₂

RADIOACTIVITY ¹³²In(β^-) [from U(p, F)]; measured Eγ, Iγ, I(ce), E(n), T_1/2, γγ-, βγ-coin; deduced Qβ. ¹³²Sn deduced level scheme, B(E2), neutron separation energy, ICC. Uranium carbide target. Ge(Li), Si(Li), ³He ion chamber, plastic scintillator telescope detectors. On-line mass separation.

doi: 10.1016/0375-9474(86)90447-1
Citations: PlumX Metrics

1986BJ02      Phys.Scr. 34, 578 (1986)

T.Bjornstad, E.Hagebo, P.Hoff, O.C.Jonsson, E.Kugler, H.L.Ravn, S.Sundell, B.Vosicki, and the ISOLDE Collaboration

Methods for Production of Intense Beams of Unstable Nuclei: New developments at ISOLDE

NUCLEAR REACTIONS U, Ta, Ir, ⁹³Nb, Sc, Ca, Th, Ge(p, X), E=600 MeV; Sc, U(³He, X)Cs/In/Yb/Lu/Tm/Pr/Pm/Sm/Nd/Eu/Gd/Tb/Dy/Ho/Rb/K/Br/Rn/Ar/Zn/Ga/Po/At, E=910 MeV; measured residual isotopes production yields. Synchrocyclotron.

doi: 10.1088/0031-8949/34/6A/013
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0834.

1985BJ01      Nucl.Phys. A443, 283 (1985)

T.Bjornstad, M.J.G.Borge, P.Dessagne, R.-D.Von Dincklage, G.T.Ewan, P.G.Hansen, A.Huck, B.Jonson, G.Klotz, A.Knipper, P.O.Larsson, G.Nyman, H.L.Ravn, C.Richard-Serre, K.Riisager, D.Schardt, G.Walter, and the ISOLDE Collaboration

Study of the Giant Gamow-Teller Resonance in Nuclear β-Decay: The case of ³²Ar

RADIOACTIVITY ³²Ar(β⁺p) [from ⁴⁰Ca(p, 3p6n) reaction]; measured β-delayed E(p), I(p), E(γ), I(γ), pγ-coin; deduced axial vector strength renormalization, β-strength function. ³²Ar deduced T_1/2. ³²Cl deduced levels, proton braching ratio, Gamow-Teller strength function. CaO target, Ge, surface barrier Si, CsI detectors. On-line mass separation.

doi: 10.1016/0375-9474(85)90264-7
Citations: PlumX Metrics

1982BJ02      Z.Phys. A306, 95 (1982)

T.Bjornstad, J.Blomqvist, G.T.Ewan, B.Jonson, K.Kawade, A.Kerek, S.Mattsson, K.Sistemich

Excited States in the Doubly Closed Shell Nucleus ¹³²₅₀Sn₈₂

RADIOACTIVITY ¹³²In [from U(p, X), E=600 MeV]; measured γγ-coin following β-decay; deduced log ft, β-branching, T_1/2, Gamow-Teller transition. ¹³²Sn deduced levels, J, π, γ-branching, B(E2), configuration, shell closure.

1982LU05      Phys.Lett. 116B, 325 (1982)

T.Lund, D.Molzahn, B.Bergersen, T.Bjornstad, E.Hagebo, I.R.Haldorsen, C.Richard-Serre, the ISOLDE Collaboration

Momentum Transfer and Product Kinetic Energies in the Interaction of Silver with 86 MeV/A ¹²C

NUCLEAR REACTIONS Ag(¹²C, X), E=86 MeV/nucleon; measured product recoil properties; deduced target fragment mean kinetic properties. Thick target, thick catcher, activation technique.

doi: 10.1016/0370-2693(82)90291-X
Citations: PlumX Metrics

1982RU04      Nucl.Phys. A383, 1 (1982)

E.Ruchowska, W.Kurcewicz, N.Kaffrell, T.Bjornstad, G.Nyman

The Decay Scheme of ²²⁸Fr and K=0 Bands in ²²⁸Ra

RADIOACTIVITY ²²⁸Fr [from ²³⁸U(p, 5n6p), mass separation]; measured Eγ, Iγ, γγ-coin, T_1/2; deduced log ft. ²²⁸Ra deduced levels, J, π. Ge(Li) detectors.

doi: 10.1016/0375-9474(82)90073-2
Citations: PlumX Metrics

1981BJ01      Nucl.Phys. A359, 1 (1981)

T.Bjornstad, H.A.Gustafsson, P.G.Hansen, B.Jonson, V.Lindfors, S.Mattsson, A.M.Poskanzer, H.L.Ravn, the ISOLDE Collaboration

Delayed Neutron Emission Probabilities of ⁹Li and ¹¹Li

RADIOACTIVITY ^9,11Li [from U, Ta(³He, X), on-line mass separation]; measured βn-coin; ¹¹Li measured T_1/2, βγ-coin; deduced log ft, β-delayed neutron emission probability.

doi: 10.1016/0375-9474(81)90208-6
Citations: PlumX Metrics

1981BJ02      Nucl.Instrum.Methods 186, 391 (1981)

T.Bjornstad, L.C.Carraz, H.A.Gustafsson, J.Heinemeier, B.Jonson, O.C.Jonsson, V.Lindfors, S.Mattsson, H.L.Ravn

New Targets for On-Line Mass Separation of Nuclei formed in 600 MeV Proton and 910 MeV ³He Reactions

NUCLEAR REACTIONS C, U, V, La, Pb, Sc, Ca(p, X), E=600 MeV; C, U, V, La, Pb, Sc, Ca(³He, X), E=910 MeV; measured production yields for isotopes of Li, Na, K, Rb, Cs, Fr, Ga, In, Tl, Hg. Activation technique, Ge(Li), silicon surface barrier detectors, proportional counter, graphite, LaC₂-, UC₂-graphite cloth, VC targets.

doi: 10.1016/0029-554X(81)90931-9
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0725.

1981BJ03      Nucl.Phys. A366, 461 (1981)

T.Bjornstad, H.A.Gustafsson, B.Jonson, P.O.Larsson, V.Lindfors, S.Mattsson, G.Nyman, A.M.Poskanzer, H.L.Ravn, D.Schardt

The Decay of ⁸He

RADIOACTIVITY ⁸He [from U(p, X), U(³He, X), chemical mass separation]; measured β-delayed En, In, βγ-coin, T_1/2; deduced delayed neutron branching, log ft. Natural targets.

doi: 10.1016/0375-9474(81)90522-4
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23273.

1981BJ04      Z.Phys. A303, 227 (1981)

T.Bjornstad, H.-A.Gustafsson, B.Jonson, O.C.Jonsson, V.Lindfors, S.Mattsson, A.M.Poskanzer, H.L.Ravn, D.Schardt, the ISOLDE Collaboration

Comparative Yields of Alkali Elements and Thallium form Uranium Irradiated with GeV Protons, ³He and ¹²C

NUCLEAR REACTIONS U(p, X), E=600 MeV; U(³He, X), E=890 MeV; U(¹²C, X)E=936 MeV; measured absolute, comparative yields for ^{24,25,26,27,28,29,30,31,32,33,34}Na, ^{37,38,42,43,44,45,46,47,48,49,50,51,52,53}K, ^{184,185,186,187,188,190,191,193,195,197}Tl, ^{202,203,204,205,206,207,208,209,210,211,212,213,219,220,221,222,224,225,226,228,229,230}Fr. Activation technique, 4π plastic scintillator, β-counting.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0515.

1981KU02      Nucl.Phys. A356, 15 (1981)

W.Kurcewicz, E.Ruchowska, N.Kaffrell, T.Bjornstad, G.Nyman

Collective Excitations in the Transitional Nuclei ^224,226Ra

RADIOACTIVITY ^224,226Fr [from ²³⁸U(p, xnyp), mass separation]; measured Eγ, Iγ, γγ-coin, T_1/2; deduced log ft. ^224,226Ra deduced levels, J, π. Ge(Li) detectors.

doi: 10.1016/0375-9474(81)90114-7
Citations: PlumX Metrics

1981LU03      Phys.Lett. 102B, 239 (1981)

T.Lund, D.Molzahn, R.Brandt, B.Bergersen, D.Eriksen, E.Hagebo, I.R.Haldorsen, T.Bjornstad, C.Richard-Serre

Charge and Mass Distribution of Products from the Nuclear Interaction between Copper and 1 GeV ¹²C

NUCLEAR REACTIONS Cu(¹²C, X), E=1032 MeV; measured independent, cumulative σ(fragment mass), charge dispersion. Radiochemical, activation techniques.

doi: 10.1016/0370-2693(81)90866-2
Citations: PlumX Metrics

1981VO03      Nucl.Phys. A365, 26 (1981)

T.Von Egidy, G.Barreau, H.G.Borner, W.F.Davidson, J.Larysz, D.D.Warner, P.H.M.Van Assche, K.Nybo, T.F.Thorsteinsen, G.Lovhoiden, E.R.Flynn, J.A.Cizewski, R.K.Sheline, D.Decman, D.G.Burke, G.Sletten, N.Kaffrell, W.Kurcewicz, T.Bjornstad, G.Nyman

The Rotational Structure of ²²⁷Ra

NUCLEAR REACTIONS ²²⁶Ra(n, γ), E=thermal; measured Eγ, Iγ; ²²⁶Ra(d, p), E=13 MeV; measured σ(Ep, θp); ²²⁶Ra(polarized t, d), E=17 MeV; measured σ(Ed, θd), analyzing power vs θ; deduced neutron binding energy. ²²⁷Ra deduced levels, configuration. Nilsson model.

RADIOACTIVITY ²²⁷Fr; measured Eγ, Iγ, γγ-coin, T_1/2; deduced log ft. ²²⁷Ra deduced levels, J, π. Nilsson model.

doi: 10.1016/0375-9474(81)90386-9
Citations: PlumX Metrics

1981VO04      Nucl.Instrum.Methods 186, 307 (1981)

B.Vosicki, T.Bjornstad, L.C.Carraz, J.Heinemeier, H.L.Ravn

Intense Beams of Radioactive Halogens Produced by Means of Surface Ionization

NUCLEAR REACTIONS U, Nb(p, X), E=600 MeV; measured yields for ^{39,40,41,42,43}Cl, ^{70,71,72,73,74,75,76m,78,79m,82m,83,85,86,87,88,89,90,91,92,93,94}Br. On-line separator.

RADIOACTIVITY ^42,43Cl, ^{70,71,72m,76m,93,94}Br [from U, Nb(p, X), E=600 MeV]; measured T_1/2. On-line separator.

doi: 10.1016/0029-554X(81)90918-6
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0763.

1980AZ01      Phys.Lett. B96, 31 (1980)

R.E.Azuma, T.Bjornstad, H.A.Gustafsson, P.G.Hansen, B.Jonson, S.Mattsson, G.Nyman, A.M.Poskanzer, H.L.Ravn, and the ISOLDE Collaboration

Beta-Delayed Three-Neutron Radioactivity of ¹¹Li

RADIOACTIVITY ¹¹Li [from U(p, X), E=600 MeV]; measured β-delayed, one-, two-, three-neutron emission intensity In, relative two-, three-neutron branching ratios.

doi: 10.1016/0370-2693(80)90205-1
Citations: PlumX Metrics

1980BA69      Verh.Deut.Phys.Ges. 15, 1232 G9.3 (1980)

G.Barreau, T.Bjornstad, H.G.Borner, D.G.Burke, J.A.Cizewski, W.F.Davidson, D.Decman, T.Von Egidy, E.R.Flynn, N.Kaffrell, W.Kurcewicz, J.Larysz, G.Lovhoiden, K.Nybo, B.Nyman, R.K.Sheline, G.Sletten, T.F.Thorsteinsen, P.H.M.Van Assche, D.D.Warner

The rotational structure of ²²⁷Ra

1980BJ01      Phys.Lett. 91B, 35 (1980)

T.Bjornstad, L.-E.De Geer, G.T.Ewan, P.G.Hansen, B.Jonson, K.Kawade, A.Kerek, W.-D.Lauppe, H.Lawin, S.Mattsson, K.Sistemich

Structure of the Levels in the Doubly Magic Nucleus ¹³²Sn

RADIOACTIVITY ^132mSn [from ²³⁵U(n, F), E=th]; ¹³²In [from U(p, X), E=600 MeV]; measured γγ-coin, Iγ, Eγ, Iβ, ICC. ¹³²Sn deduced levels, J, π, γ-branching, T_1/2, multipolarity.

doi: 10.1016/0370-2693(80)90656-5
Citations: PlumX Metrics

1980SU01      Nucl.Phys. A339, 74 (1980)

K.Summerer, N.Kaffrell, E.Stender, N.Trautmann, K.Broden, G.Skarnemark, T.Bjornstad, I.Haldorsen, J.A.Maruhn

Levels in ¹⁰⁶Ru and ¹⁰⁸Ru

RADIOACTIVITY ^106,108Tc [from ²³⁹Pu(n, F), E=thermal]; measured Eγ, Iγ, γγ-coin. ^106,108Ru deduced levels, J, π, log ft. On-line chemical separation.

doi: 10.1016/0375-9474(80)90243-2
Citations: PlumX Metrics

1979ST24      Radiochim.Acta 26, 127 (1979)

J.Stachel, N.Kaffrell, E.Stender, K.Summerer, N.Trautmann, K.Broden, G.Skarnemark, T.Bjornstad, I.Haldorsen

The Decay of ¹⁰⁷Tc to Levels in ¹⁰⁷Ru

RADIOACTIVITY ¹⁰⁷Tc [from ²³⁹Pu(n, F), E=th; chemical separation]; measured Eγ, Iγ, γγ(t). ¹⁰⁷Ru deduced levels, T_1/2, ICC, δ.

1977BJ01      J.Inorg.Nucl.Chem. 39, 1107 (1977)

T.Bjornstad, E.Kvale, G.Skarnemark, P.O.Aronsson, N.Kaffrell, N.Trautmann, E.Stender

Decay Properties of ¹⁴³La

RADIOACTIVITY ¹⁴³La; measured Eγ, Iγ, γγ-coin, T_1/2. ¹⁴³Ce deduced levels.

doi: 10.1016/0022-1902(77)80327-8
Citations: PlumX Metrics

1977BJ02      J.Inorg.Nucl.Chem. 39, 1929 (1977)

T.Bjornstad, E.Kvale, G.Skarnemark, P.O.Aronsson, The SISAK Collaboration

Decay Properties of Some Neutron-Rich Cerium Isotopes

RADIOACTIVITY ^{145,147,148,146}Ce; measured Eγ, Iγ, γγ-coin. ^{145,146,147,148}Pr deduced levels.

doi: 10.1016/0022-1902(77)80519-8
Citations: PlumX Metrics

1977SK02      J.Inorg.Nucl.Chem. 39, 1487 (1977)

G.Skarnemark, P.O.Aronsson, T.Bjornstad, E.Kvale, N.Kaffrell, E.Stender, N.Trautmann

Decay Properties of ^144-146La

RADIOACTIVITY ^144,145,146La; measured Eγ, Iγ, γγ-coin, T_1/2. ^144,145,146Ce deduced level.

doi: 10.1016/0022-1902(77)80086-9
Citations: PlumX Metrics

1976SK04      Radiochim.Acta 23, 98 (1976)

G.Skarnemark, E.Stender, N.Trautmann, P.O.Aronsson, T.Bjornstad, N.Kaffrell, E.Kvale, M.Skarestad, The SISAC Collaboration

Decay Properties of Some Neutron-Rich Praseodymium Isotopes

RADIOACTIVITY ^{147,148,149,150}Pr; measured Eγ, Iγ, γγ-coin. ^{147,148,149,150}Nd deduced levels.

1974BJ01      J.Inorg.Nucl.Chem. 36, 2159 (1974)

T.Bjornstad, J.Alstad

Decay of ^116gAg and ^116mAg

RADIOACTIVITY ^116,116mAg; measured Eγ, Iγ, T_1/2. ¹¹⁶Ag deduced levels, J.

doi: 10.1016/0022-1902(74)80248-4
Citations: PlumX Metrics

1973BJ01      Radiochem.Radioanal.Lett. 14, 247 (1973)

T.Bjornstad, J.Alstad

The (n, p) Reaction Cross Section of ¹¹⁶Cd at 14.7 MeV

NUCLEAR REACTIONS ¹¹⁶Cd(n, p), E=14.7 MeV; measured σ.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset20421.