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NSR database version of April 11, 2024.

Search: Author = J.Alstad

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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, T_1/2, 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, ^{218,216,215,214}Po, 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. ^{106,107,108,109,110}Ru levels deduced T_1/2, 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 ^{107,108,109,110,111,112,113}Ru(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 T_1/2, 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 ^{113,115,111,109}Ag; 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, T_1/2, Iγ per decay. ²⁴⁴Np level deduced T_1/2, 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 T_1/2. 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 T_1/2.

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,70}Cu; measured Eγ, Iγ. ^66,68,68m,70Cu measured T_1/2.

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, 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.

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 T_1/2. 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 T_1/2, Eγ. ^79,81Kr, ^125,127Xe; measured T_1/2, Eγ, I(ce). ¹⁰³Ag; measured T_1/2, Eγ, I(ce), γγ-delay. ^187,189,191Pt, ¹⁸⁹Au, ²⁰⁶Hg; measured Eγ, γγ-delay. ¹⁸¹Hg; measured T_1/2, Eα. ^182,183,185Hg; measured T_1/2, Eα, Iα. ^184,186Hg; measured T_1/2, Eα, Iα, Eγ. ^202,204,206Rn; measured T_1/2, Iα. ¹⁰³Pd, ^187,189,191Ir, ¹⁸⁹Pt, ²⁰⁶Tl deduced levels, T_1/2.

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 T_1/2.

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