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NSR database version of May 24, 2024.

Search: Author = L.Johannsen

Found 12 matches.

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1995HU06      Phys.Lett. 347B, 198 (1995)

F.Humbert, T.Nilsson, W.Schwab, M.Zinser, Th.Blaich, M.J.G.Borge, L.V.Chulkov, Th.W.Elze, H.Emling, B.Franzke, H.Freiesleben, H.Geissel, K.Grimm, D.Guillemaud-Mueller, P.G.Hansen, R.Holzmann, H.Irnich, L.Johannsen, B.Jonson, J.G.Keller, O.Klepper, H.Klingler, J.V.Kratz, R.Kulessa, D.Lambrecht, Y.Leifels, A.Magel, M.Mohar, A.C.Mueller, G.Munzenberg, P.Moller, F.Nickel, G.Nyman, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, B.M.Sherrill, H.Simon, K.Stelzer, J.Stroth, O.Tengblad, W.Trautmann, E.Wajda, E.Zude

Longitudinal and Transverse Momentum Distributions of 9Li Fragments from Break-Up of 11Li

NUCLEAR REACTIONS C, 27Al, Pb(11Li, X), E=280 MeV/nucleon; measured 9Li transverse longitudinal momentum distributions following 11Li breakup, two-neutron removal σ.

doi: 10.1016/0370-2693(95)00072-S
Citations: PlumX Metrics


1995NI04      Nucl.Phys. A583, 795c (1995)

T.Nilsson, F.Humbert, W.Schwab, M.Zinser, Th.Blaich, M.J.G.Borge, L.V.Chulkov, H.Eickhoff, Th.W.Elze, H.Emling, B.Franzke, H.Freiesleben, H.Geissel, K.Grimm, D.Guillemaud-Mueller, P.G.Hansen, R.Holzmann, H.Irnich, L.Johannsen, B.Jonson, J.G.Keller, O.Klepper, H.Klingler, J.V.Kratz, R.Kulessa, D.Lambrecht, Y.Leifels, A.Magel, M.Mohar, E.F.Moore, A.C.Mueller, G.Munzenberg, P.Moller, F.Nickel, G.Nyman, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, B.M.Sherrill, H.Simon, K.Stelzer, J.Stroth, O.Tengblad, W.Trautmann, E.Wajda, E.Zude, and the S034 Collaboration

Dissociation of 8He into 6He + n + X at 240 MeV/u

NUCLEAR REACTIONS C, Pb(8He, X), E=240 MeV/nucleon; measured (6He+n) projectile breakup, product transverse momentum distribution.

doi: 10.1016/0375-9474(94)00760-K
Citations: PlumX Metrics


1993BO24      Nucl.Phys. A560, 664 (1993)

M.J.G.Borge, L.Johannsen, B.Jonson, T.Nilsson, G.Nyman, K.Riisager, O.Tengblad, K.Wilhelmsen Rolander, and the ISOLDE Collaboration

Study of Charged Particles Emitted in the β-Decay of 6,8He

RADIOACTIVITY 6He(β-); measured β-delayed deuteron spectrum; deduced branching ratio. 8He(β-); measured β-delayed triton, α-spectra; deduced branching ratio. 8Li deduced level. On-line separation, R-matrix analysis.

doi: 10.1016/0375-9474(93)90039-Z
Citations: PlumX Metrics


1992RI01      Nucl.Phys. A540, 365 (1992)

K.Riisager, R.Anne, S.E.Arnell, R.Bimbot, H.Emling, D.Guillemaud-Mueller, P.G.Hansen, L.Johannsen, B.Jonson, A.Latimier, M.Lewitowicz, S.Mattsson, A.C.Mueller, R.Neugart, G.Nyman, F.Pougheon, A.Richard, A.Richter, M.G.Saint-Laurent, G.Schrieder, O.Sorlin, K.Wilhelmsen

Two-Neutron Removal Reactions for Very Neutron-Rich Nuclei

NUCLEAR REACTIONS 9Be, Ni, 197Au(11Li, 9Li), (14Be, 12Be), (8He, 6He), E=30 MeV/nucleon; measured σ(θ); deduced correlation with two-neutron separation energies, nn-distribution.

doi: 10.1016/0375-9474(92)90210-B
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1645.


1992TE03      Z.Phys. A342, 303 (1992)

O.Tengblad, M.J.G.Borge, L.Johannsen, B.Jonson, M.Lindroos, T.Nilsson, G.Nyman, A.Poves, H.L.Ravn, J.Retamosa, K.Riisager, P.Sona, K.Wilhelmsen, and the ISOLDE Collaboration

Study of Neutron Rich Neon Isotopes

RADIOACTIVITY 26,27,28,29Ne(β-n) [from Th(3He, X), E=910 MeV]; measured Iβ, T1/2, neutron emission probabilities. Shell model analysis.

doi: 10.1007/BF01291514
Citations: PlumX Metrics


1991BO31      Z.Phys. A340, 255 (1991)

M.J.G.Borge, P.G.Hansen, L.Johannsen, B.Jonson, T.Nilsson, G.Nyman, A.Richter, K.Riisager, O.Tengblad, K.Wilhelmsen, and the ISOLDE Collaboration

Super-Allowed Beta Decay of Nuclei at the Drip-Line

RADIOACTIVITY 9,11Li, 8,6He [from U, Th(p, X), E=600 MeV]; measured continuum particle spectra following β-decay; deduced log ft, Gamow-Teller transition strength, level width, di-neutron, neutron halo roles. Other data considered.

doi: 10.1007/BF01294673
Citations: PlumX Metrics


1990AN28      Phys.Lett. 250B, 19 (1990)

R.Anne, S.E.Arnell, R.Bimbot, H.Emling, D.Guillemaud-Mueller, P.G.Hansen, L.Johannsen, B.Jonson, M.Lewitowicz, S.Mattsson, A.C.Mueller, R.Neugart, G.Nyman, F.Pougheon, A.Richter, K.Riisager, M.G.Saint-Laurent, G.Schrieder, O.Sorlin, K.Wilhelmsen

Observation of Forward Neutrons from the Break-Up of the 11Li Neutron Halo

NUCLEAR REACTIONS 9Be, Ni, 197Au(11Li, 9Li), E=29 MeV/nucleon; measured σ(θ) following projectile breakup; deduced neutron halo radius.

doi: 10.1016/0370-2693(90)91147-4
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1646.


1990BO24      Nucl.Phys. A515, 21 (1990)

M.J.G.Borge, H.Gabelmann, L.Johannsen, B.Jonson, G.Nyman, K.Riisager, O.Tengblad, and the ISOLDE Collaboration

The Decay of 31Ar

RADIOACTIVITY 31Ar(β+) [from Ca(p, xn3p) reaction]; measured β-delayed Ep, pp-coin; deduced no 2p-decay evidence. 31Ar deduced decay channels. CaO target, surface barrier Si detectors, on-line mass separation.

doi: 10.1016/0375-9474(90)90319-H
Citations: PlumX Metrics


1990JO03      Phys.Lett. 244B, 357 (1990)

L.Johannsen, A.S.Jensen, P.G.Hansen

The 11Li Nucleus as a Three-Body System

NUCLEAR STRUCTURE 11Li; calculated neutron separation distance, rms radii.

doi: 10.1016/0370-2693(90)90328-4
Citations: PlumX Metrics


1990RI01      Phys.Lett. 235B, 31 (1990)

K.Riisager, M.J.G.Borge, H.Gabelmann, P.G.Hansen, L.Johannsen, B.Jonson, W.Kurcewicz, G.Nyman, A.Richter, O.Tengblad, K.Wilhelmsen, and the ISOLDE Collaboration

First Observation of Beta-Delayed Deuteron Emission

RADIOACTIVITY 6He(β-); measured dα-coin following β-delayed deuteron emission; deduced branching ratio. 6Li levels deduced Gamow-Teller transition strength.


1988AX01      Phys.Lett. 210B, 249 (1988)

H.Axelsson, M.Cronqvist, A.De Rujula, P.G.Hansen, L.Johannsen, B.Jonson, R.A.Naumann, G.Nyman, J.W.Petersen, H.L.Ravn, K.Riisager, J.A.Scircle, and the ISOLDE Collaboration

Candidates for Electron-Neutrino Mass Measurements. The Case of 81Kr

RADIOACTIVITY 81Kr(EC) [from 81Rb-decay]; measured (X-ray)(X-ray)-coin, relative Iγ; deduced Q(EC), branching ratio, ν(e) mass relevance.

doi: 10.1016/0370-2693(88)90380-2
Citations: PlumX Metrics


1988BO39      Nucl.Phys. A490, 287 (1988)

M.J.G.Borge, H.Cronberg, M.Cronqvist, H.Gabelmann, P.G.Hansen, L.Johannsen, B.Jonson, S.Mattsson, G.Nyman, A.Richter, K.Riisager, O.Tengblad, M.Tomaselli

Beta-Delayed Proton and Alpha Emission in the Decay of 17Ne, and the ISOLDE Collaboration

RADIOACTIVITY 17Ne(β+p), (β+α) [from Mg(p, xn3p) reaction]; measured T1/2, β-delayed E(p), E(α), I(p), I(α), β(particle)-coin. 17Ne deduced particle branching ratio, β strength function. MgO target, surface barrier Si detectors. On-line mass separation. Model comparison.

doi: 10.1016/0375-9474(88)90507-6
Citations: PlumX Metrics


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