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NSR database version of May 30, 2024.

Search: Author = J.Alstad

Found 23 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


2005ST16      Nucl.Instrum.Methods Phys.Res. A543, 509 (2005)

L.Stavsetra, K.E.Gregorich, J.Alstad, H.Breivik, K.Eberhardt, C.M.Folden III, T.N.Ginter, M.Johansson, U.W.Kirbach, D.M.Lee, M.Mendel, L.A.Omtvedt, J.B.Patin, G.Skarnemark, R.Sudowe, P.A.Wilk, P.M.Zielinski, H.Nitsche, D.C.Hoffman, J.P.Omtvedt

Liquid-scintillation detection of preseparated 257Rf with the SISAK-system

NUCLEAR REACTIONS 208Pb(50Ti, n), E=237 MeV; measured delayed αα-coin; deduced evidence for 257Rf. Gas-filled separator, fast liquid-liquid extraction system.

doi: 10.1016/j.nima.2004.12.010
Citations: PlumX Metrics


1998LH02      Eur.Phys.J. A 1, 285 (1998)

G.Lhersonneau, B.Pfeiffer, J.Alstad, P.Dendooven, K.Eberhardt, S.Hankonen, I.Klockl, K.-L.Kratz, A.Nahler, R.Malmbeck, J.P.Omtvedt, H.Penttila, S.Schoedder, G.Skarnemark, N.Trautmann, J.Aysto

Shape Coexistence Near the Double-Midshell Nucleus 111Rh

RADIOACTIVITY 111Ru(β-) [from 249Cf(n, F)]; measured Eγ, Iγ, βγ(t), γγ-coin. 111Rh deduced levels, J, π, T1/2, configurations, β-branching ratios. Fast chemical separation, online mass separation.

doi: 10.1007/s100500050063
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


1996WI27      Nucl.Instrum.Methods Phys.Res. A370, 532 (1996)

B.Wierczinski, K.Eberhardt, G.Herrmann, J.V.Kratz, M.Mendel, A.Nahler, F.Rocker, U.Tharun, N.Trautmann, K.Weiner, N.Wiehl, J.Alstad, G.Skarnemark

Liquid-Scintillation Spectroscopy of α-Particle Emitters and Detection of Spontaneous Fission Events for On-Line Studies of Actinide and Transactinide Elements

RADIOACTIVITY 226Ra, 233U, 241Am, 222,220,219Rn, 218,216,215,214Po, 239Pu, 252Cf(α); 161Hf(α) [from Sm(Ne, X), E=155 MeV]; measured α-spectra; deduced detector resolution. Extractive HDEHP liquid scintillator, stationary, flowing solutions.

doi: 10.1016/0168-9002(95)00830-6
Citations: PlumX Metrics


1995SC24      Z.Phys. A352, 237 (1995)

S.Schoedder, G.Lhersonneau, A.Wohr, G.Skarnemark, J.Alstad, A.Nahler, K.Eberhardt, J.Aysto, N.Trautmann, K.-L.Kratz

Level Lifetimes in Neutron-Rich Ru Isotopes

NUCLEAR REACTIONS 249Cf(n, F), E=thermal; measured βγ(t) following fission product decay. 106,107,108,109,110Ru levels deduced T1/2, deformation parameters in some cases.

doi: 10.1007/BF01289492
Citations: PlumX Metrics


1995WI28      Radiochim.Acta 69, 77 (1995)

B.Wierczinski, J.Alstad, K.Eberhardt, B.Eichler, H.Gaggeler, G.Herrmann, D.Jost, A.Nahler, M.Pense-Maskow, A.V.R.Reddy, G.Skarnemark, N.Trautmann, A.Turler

Fast On-Line Solvent Extraction with the SISAK-3 Centrifuge System as a Test of Chemical Studies of the Elements 105 and 106


1992SH35      Radiochim.Acta 56, 127 (1992)

N.Shinohara, S.Ichikawa, S.Baba, K.Tsukada, T.Ohtsuki, J.Alstad

Gamma Rays of Short-Lived Ruthenium Nuclides Produced in the Spontaneous Fission of 252Cf

RADIOACTIVITY 107,108,109,110,111,112,113Ru(β-) [from 252Cf(SF)]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities. Comparison with available data.

doi: 10.1524/ract.1992.56.3.127
Citations: PlumX Metrics


1990AL43      Radiochim.Acta 51, 145 (1990)

T.Altzitzoglou, J.Rogowski, M.Skalberg, J.Alstad, G.Herrmann, N.Kaffrell, G.Skarnemark, W.Talbert, N.Trautmann

Fast Chemical Separation of Technetium from Fission Products and Decay Studies of 109Tc and 110Tc

RADIOACTIVITY 109,110Tc(β-) [from 249Cf(n, F)]; measured γγ(t), Eγ, Iγ. 110Ru deduced levels, J, π.


1990RO13      Z.Phys. A337, 233 (1990)

J.Rogowski, J.Alstad, M.M.Fowler, D.De Frenne, K.Heyde, E.Jacobs, N.Kaffrell, G.Skarnemark, N.Trautmann

Evidence for Intruder States in 111Rh

RADIOACTIVITY 111Ru(β-) [from 249Cf(SF)]; measured Eγ, Iγ, γγ(t). 111Rh deduced level T1/2, B(λ), possible J, π, intruder states.


1990RO16      Phys.Rev. C42, 2733 (1990)

J.Rogowski, J.Alstad, S.Brant, W.R.Daniels, D.De Frenne, K.Heyde, E.Jacobs, N.Kaffrell, V.Paar, G.Skarnemark, N.Trautmann

Intruder States in Odd-Mass Ag Isotopes

RADIOACTIVITY 113,115Pd(β-); measured Eγ, Iγ, γγ-coin. 113,115Ag levels deduced, J, π, B(λ), γ-multipolarity, intruder states, rotational band parameters. Chemical separation from fission products, Ge detectors.

NUCLEAR STRUCTURE 113,115,111,109Ag; calculated levels. Interacting boson-fermion model.

doi: 10.1103/PhysRevC.42.2733
Citations: PlumX Metrics


1990SK09      J.Radioanal.Nucl.Chem. 142, 145 (1990)

G.Skarnemark, J.Alstad, N.Kaffrell, N.Trautmann

Studies of Short-Lived Fission Products by Means of the Multistage Solvent Extraction System SISAK

doi: 10.1007/BF02039459
Citations: PlumX Metrics


1987KA29      Nucl.Phys. A470, 141 (1987)

N.Kaffrell, P.Hill, J.Rogowski, H.Tetzlaff, N.Trautmann, E.Jacobs, P.de Gelder, D.de Frenne, K.Heyde, S.Borjesson, G.Skarnemark, J.Alstad, N.Blasi, M.N.Harakeh, W.A.Sterrenburg, K.Wolfsberg

Levels in 109Rh

NUCLEAR REACTIONS 110Pd(d, 3He), E=50 MeV; measured σ(E(3He), θ). 109Rh deduced mass excess, levels, J, π, L, spectroscopic factors. Enriched target. DWBA analysis.

RADIOACTIVITY 109Ru(β-) [from 249Cf(n, F), E=thermal, on-line chemical separation]; measured Eγ, Iγ, γγ(t); deduced log ft. 109Rh deduced levels, J, π. Ge detectors.

doi: 10.1016/0375-9474(87)90125-4
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0860.


1987MO29      Z.Phys. A328, 417 (1987)

K.J.Moody, W.Bruchle, M.Brugger, H.Gaggeler, B.Haefner, M.Schadel, K.Summerer, H.Tetzlaff, G.Herrmann, N.Kaffrell, J.V.Kratz, J.Rogowski, N.Trautmann, M.Skalberg, G.Skarnemark, J.Alstad, M.M.Fowler

New Nuclides: Neptunium-243 and Neptunium-244

RADIOACTIVITY 243,244Np(β-) [from 244Pu(136Xe, X), E=835 MeV]; measured Eγ, Iγ. 243Np level deduced J, T1/2, Iγ per decay. 244Np level deduced T1/2, possible, J, π, Iγ per decay. 244Pu deduced possible level.

NUCLEAR REACTIONS 244Pu(136Xe, X)238Np/239Np/240Np/240mNp/241Np, E=835 MeV; measured residual production σ.


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


1986KA43      Nucl.Phys. A460, 437 (1986)

N.Kaffrell, P.Hill, J.Rogowski, H.Tetzlaff, N.Trautmann, E.Jacobs, P.De Gelder, D.De Frenne, K.Heyde, G.Skarnemark, J.Alstad, N.Blasi, M.N.Harakeh, W.A.Sterrenburg, K.Wolfsberg

Levels in 107Rh

RADIOACTIVITY 107Ru(β-) [from 239Pu(n, F), E=thermal, on-line chemical separation]; measured Eγ, Iγ, γγ(t); deduced log ft. 107Rh deduced levels, J, π. Ge detectors.

NUCLEAR REACTIONS 108Pd(d, 3He), E=50 MeV; measured σ(E(3He), θ). 107Rh deduced levels, J, π, L, spectroscopic factors. Enriched target. DWBA analysis.

doi: 10.1016/0375-9474(86)90423-9
Citations: PlumX Metrics


1975AL02      J.Inorg.Nucl.Chem. 37, 873 (1975)

J.Alstad, I.R.Haldorsen, A.C.Pappas, M.Skarestad

Light Products from 170 MeV Proton Interaction with Uranium

RADIOACTIVITY 59Fe, 47Ca, 28Mg, 24Na; measured T1/2.

NUCLEAR REACTIONS U(p, F), E=170 MeV; measured σ; deduced 24Na, 28Mg, 47Ca, 59Fe formation σ.

doi: 10.1016/0022-1902(75)80665-8
Citations: PlumX Metrics


1974AR22      J.Inorg.Nucl.Chem. 36, 2397 (1974)

P.O.Aronsson, B.E.Johansson, J.Rydberg, G.Skarnemark, J.Alstad, B.Bergersen, E.Kvale, M.Skarestad

SISAK-a New Technique for Rapid, Continuous (Radio)Chemical Separations

RADIOACTIVITY 64,66,67,68,68m,70Cu; measured Eγ, Iγ. 66,68,68m,70Cu measured T1/2.

doi: 10.1016/0022-1902(74)80446-X
Citations: PlumX Metrics


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.


1969HA03      Phys.Lett. 28B, 415 (1969); Erratum Phys.Lett. 28B, 663 (1969)

P.G.Hansen, P.Hornshoj, H.L.Nielsen, K.Wilsky, H.Kugler, G.Astner, E.Hagebo, J.Hudis, A.Kjelberg, F.Munnich, P.Patzelt, M.Alpsten, G.Andersson, A.Appelqvist, B.Bengtsson, R.A.Naumann, O.B.Nielsen, E.Beck, R.Foucher, J.P.Husson, J.Jastrzebski, A.Johnson, J.Alstad, T.Jahnsen, A.C.Pappas, T.Tunaal, R.Henck, P.Siffert, G.Rudstam

Decay Characteristics of Short-Lived Radio-Nuclides Studied by On-Line Isotope Separator Techniques

RADIOACTIVITY 43Ar, 101Cd, 109Sn, 115I, 115Xe, 205,225,226Rn, 224,225,226Fr; measured T1/2. 75Kr, 119I, 119Xe, 186Pt, 186,188Au, 187,188Hg; measured Eγ. 198,200,202Po; measured Iα. 102,103Cd, 116,117,118I, 116,117,118Xe, 184Pt, 184Au; measured T1/2, Eγ. 79,81Kr, 125,127Xe; measured T1/2, Eγ, I(ce). 103Ag; measured T1/2, Eγ, I(ce), γγ-delay. 187,189,191Pt, 189Au, 206Hg; measured Eγ, γγ-delay. 181Hg; measured T1/2, Eα. 182,183,185Hg; measured T1/2, Eα, Iα. 184,186Hg; measured T1/2, Eα, Iα, Eγ. 202,204,206Rn; measured T1/2, Iα. 103Pd, 187,189,191Ir, 189Pt, 206Tl deduced levels, T1/2.

doi: 10.1016/0370-2693(69)90337-2
Citations: PlumX Metrics


1969SV02      Radiochem.Radioanal.Letters 2, 239 (1969)

T.Sverdrup, J.Alstad

The /Non-/ Existence of a Long-Lived 141Sm

NUCLEAR REACTIONS, Fission U(p, F), E=600 MeV; measured Iγ(t); Iβ(t). 141Sm deduced no 17.5-22 day T1/2.


1967AL12      J.Inorg.Nucl.Chem. 29, 2155 (1967)

J.Alstad, T.Jahnsen, A.C.Pappas

Thermal Neutron Capture Cross Section and Resonance Capture Integral of the Lanthanide Nuclei 140Ce, 142Ce, 146Nd, 148Nd, 150Nd and 159Tb

NUCLEAR STRUCTURE 147Nd, 143Ce, 141Ce, 160Tb, 149Nd, 151Nd; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0022-1902(67)80268-9
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset20044.


1960AL33      J.Inorg.Nuclear Chem. 15, 222 (1960)

J.Alstad, A.C.Pappas

Radiochemical Studies of Fission Product Lanthanum and Lanthanides-I. Isolation of Trace Lanthanides Using Non-Isotopic Carrier and Drop Elution Technique

NUCLEAR STRUCTURE 145Pr, 147Nd, 141La, 163Tb, 164Tb, 156Sm; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0022-1902(60)80045-0
Citations: PlumX Metrics


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