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NSR database version of April 11, 2024.

Search: Author = T.Bjornstad

Found 27 matches.

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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 T1/2. 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), T1/2, 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 T1/2. 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, T1/2, 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, T1/2; 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 T1/2, 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, T1/2; 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 24,25,26,27,28,29,30,31,32,33,34Na, 37,38,42,43,44,45,46,47,48,49,50,51,52,53K, 184,185,186,187,188,190,191,193,195,197Tl, 202,203,204,205,206,207,208,209,210,211,212,213,219,220,221,222,224,225,226,228,229,230Fr. 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, T1/2; 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, T1/2; 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 39,40,41,42,43Cl, 70,71,72,73,74,75,76m,78,79m,82m,83,85,86,87,88,89,90,91,92,93,94Br. On-line separator.

RADIOACTIVITY 42,43Cl, 70,71,72m,76m,93,94Br [from U, Nb(p, X), E=600 MeV]; measured T1/2. 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, T1/2, 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, T1/2, 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, T1/2. 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 145,147,148,146Ce; measured Eγ, Iγ, γγ-coin. 145,146,147,148Pr 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, T1/2. 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 147,148,149,150Pr; measured Eγ, Iγ, γγ-coin. 147,148,149,150Nd 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, T1/2. 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.


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