NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of April 11, 2024.

Search: Author = H.Keller

Found 80 matches.

Back to query form

1998BO02      Eur.Phys.J. A 1, 15 (1998)

O.V.Bochkarev, L.V.Chulkov, P.Egelhof, H.Geissel, M.S.Golovkov, H.Irnich, Z.Janas, H.Keller, T.Kobayashi, G.Kraus, G.Munzenberg, F.Nickel, A.A.Ogloblin, A.Ozawa, A.Piechaczek, E.Roeckl, W.Schwab, K.Summerer, T.Suzuki, I.Tanihata, K.Yoshida

Evidence for a Neutron Skin in ²⁰N

NUCLEAR REACTIONS C(²⁰Mg, X), (²⁰Na, X), (²⁰Ne, X), (²⁰F, X), (²⁰O, X), (²⁰N, X), E=950 MeV/nucleon; measured interaction, charge-changing σ; deduced projectile matter, charge radii. ²⁰N deduced evidence for neutron skin.

1998SU06      Nucl.Phys. A630, 402c (1998)

T.Suzuki, H.Geissel, O.Bochkarev, L.Chulkov, M.Golovkov, N.Fukunishi, D.Hirata, H.Irnich, Z.Janas, H.Keller, T.Kobayashi, G.Kraus, G.Munzenberg, S.Neumaier, F.Nickel, A.Ozawa, A.Piechaczeck, E.Roeckl, W.Schwab, K.Summerer, K.Yoshida, I.Tanihata

Neutron Skin of Na Isotopes and an Application to the EOS

NUCLEAR STRUCTURE Na; analyzed mass radii; deduced neutron skin features. Implications for equation of state.

doi: 10.1016/S0375-9474(97)00778-1
Citations: PlumX Metrics

1998SU07      Nucl.Phys. A630, 661 (1998)

T.Suzuki, H.Geissel, O.Bochkarev, L.Chulkov, M.Golovkov, N.Fukunishi, D.Hirata, H.Irnich, Z.Janas, H.Keller, T.Kobayashi, G.Kraus, G.Munzenberg, S.Neumaier, F.Nickel, A.Ozawa, A.Piechaczeck, E.Roeckl, W.Schwab, K.Summerer, K.Yoshida, I.Tanihata

Nuclear Radii of Na and Mg Isotopes

NUCLEAR REACTIONS C(²⁰Na, X), (²¹Na, X), (²²Na, X), (²³Na, X), (²⁵Na, X), (²⁶Na, X), (²⁷Na, X), (²⁸Na, X), (²⁹Na, X), (³⁰Na, X), (³¹Na, X), (³²Na, X), (²⁰Mg, X), (²²Mg, X), (²³Mg, X), (²⁴Mg, X), (²⁵Mg, X), (²⁷Mg, X), (²⁹Mg, X), (³⁰Mg, X), (³¹Mg, X), (³²Mg, X), (³³Mg, X), E=950 MeV/nucleon; measured interaction σ. ^{20,21,22,23,25,26,27,28,29,30,31,32}Na, ^{20,22,23,24,27,29,30,31,32}Mg deduced rms radii, neutron, proton skin features. Shell model calculations.

doi: 10.1016/S0375-9474(97)00799-9
Citations: PlumX Metrics

1997BO09      Nucl.Phys. A616, 231c (1997)

C.Borcea, F.Carstoiu, F.Negoita, M.Lewitowicz, M.G.Saint-Laurent, R.Anne, D.Bazin, V.Borrel, J.M.Corre, Z.Dlouhy, A.Fomitchev, D.Guillemaud-Mueller, H.Keller, A.Kordyasz, S.Lukyanov, A.C.Mueller, Yu.Penionzhkevich, P.Roussel-Chomaz, N.Skobelev, O.Sorlin, O.Tarasov

⁸B Studied as a Secondary Beam at GANIL

NUCLEAR REACTIONS ²⁸Si(⁸B, ⁷BeX), E ≈ 20-40 MeV/nucleon; ²⁸Si(⁷Be, X), E ≈ 15-40 MeV/nucleon; measured reaction, break-up σ; deduced separate contributions from different reaction mechanisms. ⁸B deduced pigmy halo evidence.

doi: 10.1016/S0375-9474(97)00093-6
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1868.

1997CO21      Z.Phys. A358, 241 (1997)

R.Collatz, P.Kleinheinz, B.Rubio, J.L.Tain, M.Piiparinen, H.Keller, R.Kirchner, O.Klepper, E.Roeckl, D.Schardt

Gamow-Teller Strength from the β⁺ Decay of ⁶⁶¹⁴⁷Dy₈₁

RADIOACTIVITY ¹⁴⁷Dy(β⁺); measured Eγ, Iγ; deduced Gamow-Teller strength functions. ¹⁴⁷Tb levels deduced feeding Iβ. Total absorption spectrometer.

doi: 10.1007/s002180050319
Citations: PlumX Metrics

1997CO24      Z.Phys. A359, 115 (1997)

R.Collatz, P.Kleinheinz, C.T.Zhang, H.Keller, R.Kirchner, O.Klepper, E.Roeckl

Gamma-Decay of the (27/2)^- 0.6s E3-Isomer in ₆₈¹⁵¹Er₈₃

RADIOACTIVITY ^151mEr(IT) [from ⁹⁶Mo(⁵⁸Ni, n2p), E=4.4 MeV/nucleon]; measured Eγ, Iγ, γγ-coin, I(ce). ¹⁵¹Er deduced levels, J, π, configurations. Other N=83 nuclei compared.

doi: 10.1007/s002180050375
Citations: PlumX Metrics

1997GR02      Phys.Rev. C55, 1126 (1997)

R.Grzywacz, R.Anne, G.Auger, C.Borcea, J.M.Corre, T.Dorfler, A.Fomichov, S.Grevy, H.Grawe, D.Guillemaud-Mueller, M.Huyse, Z.Janas, H.Keller, M.Lewitowicz, S.Lukyanov, A.C.Mueller, N.Orr, A.Ostrowski, Yu.Penionzhkevich, A.Piechaczek, F.Pougheon, K.Rykaczewski, M.G.Saint-Laurent, W.D.Schmidt-Ott, O.Sorlin, J.Szerypo, O.Tarasov, J.Wauters, J.Zylicz

New μ s Isomers in T(z) = 1 Nuclei Produced in the ¹¹²Sn(63A MeV) + (nat)Ni Reaction

NUCLEAR REACTIONS Ni(¹¹²Sn, X), E=63 MeV/nucleon; measured Eγ, Iγ, γ(fragment)-correlation; deduced evidence for ^94mPd, ^96mAg, ^80mY, ^98mCd, ^102mSn. ⁹⁴Pd, ⁹⁶Ag deduced isomer T_1/2. Magnetic spectrometer plus tof, energy loss, total kinetic energy measurements.

doi: 10.1103/PhysRevC.55.1126
Citations: PlumX Metrics

1997JA12      Nucl.Phys. A627, 119 (1997)

Z.Janas, A.Plochocki, J.Szerypo, R.Collatz, Z.Hu, H.Keller, R.Kirchner, O.Klepper, E.Roeckl, K.Schmidt, R.Bonetti, A.Guglielmetti, G.Poli, A.Piechaczek

Decay Studies of the Neutron-Deficient Isotopes ^114-118Ba

RADIOACTIVITY ^114,115,116Ba(β⁺p) [from ^58,60Ni(⁵⁸Ni, xn), E=3.5-4.3 MeV/nucleon]; ^116,117,118Ba(β⁺p) [from ⁶³Cu(⁵⁸Ni, xnp), E=4.3-4.9 MeV/nucleon]; measured β-delayed Ep, Ip, Eγ, Iγ, γγ-coin, T_1/2; deduced absolute branching ratios. Ge, Si, scintillator detectors, on-line mass separation.

NUCLEAR REACTIONS ^58,60Ni(⁵⁸Ni, xn), E=3.5-4.3 MeV/nucleon; ⁶³Cu(⁵⁸Ni, xnp), E=4.3-4.9 MeV/nucleon; measured Eγ, Iγ, γγ-coin; deduced production σ for ^{114,115,116,117,118}Ba isotopes.

doi: 10.1016/S0375-9474(97)00505-8
Citations: PlumX Metrics

1997SC30      Nucl.Phys. A624, 185 (1997)

K.Schmidt, P.C.Divari, Th.W.Elze, R.Grzywacz, Z.Janas, I.P.Johnstone, M.Karny, H.Keller, R.Kirchner, O.Klepper, A.Plochocki, E.Roeckl, K.Rykaczewski, L.D.Skouras, J.Szerypo, J.Zylicz

Decay Properties of Very Neutron-Deficient Isotopes of Silver and Cadmium

RADIOACTIVITY ⁹⁵Ag(β⁺), (EC) [from ⁵⁸Ni(⁴⁰Ca, 2np), E=4-4.5 MeV/nucleon]; ⁹⁶Ag(β⁺), (EC) [from ⁶⁰Ni(⁴⁰Ca, 3np), E=4.1 MeV/nucleon]; ⁹⁷Ag(β⁺), (EC) [from ⁶⁰Ni(⁴⁰Ca, 2np), E=4.1 MeV/nucleon]; ⁹⁷Cd(β⁺), (EC) [from ⁶⁰Ni(⁴⁰Ca, 3n), E=4.2 MeV/nucleon]; measured Eγ, Iγ, γγ-, Xγ-coin, beta delayed Ep, Ip, pγ-coin; deduced log ft. ^95,96,97Pd deduced levels, J, π. On-line mass separation, Ge, Si(Li) detectors.

NUCLEAR STRUCTURE ^95,96,97Pd, ⁹⁷Ag; calculated levels, Gamow-Teller transition strength. Shell model.

doi: 10.1016/S0375-9474(97)81834-9
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

1997SU04      Nucl.Phys. A616, 286c (1997)

T.Suzuki, H.Geissel, O.Bochkarev, L.Chulkov, M.Golovkov, D.Hirata, H.Irnich, Z.Janas, H.Keller, T.Kobayashi, G.Kraus, G.Munzenberg, S.Neumaier, F.Nickel, A.Ozawa, A.Piechaczek, E.Roeckl, W.Schwab, K.Summerer, K.Yoshida, I.Tanihata

Matter Radii of Na and Mg Isotopes

NUCLEAR REACTIONS C(²⁰Na, X), (²¹Na, X), (²²Na, X), (²³Na, X), (²⁵Na, X), (²⁶Na, X), (²⁷Na, X), (²⁸Na, X), (²⁹Na, X), (³⁰Na, X), (³¹Na, X), (³²Na, X), (²⁰Mg, X), (²²Mg, X), (²³Mg, X), (²⁴Mg, X), (²⁵Mg, X), (²⁷Mg, X), (²⁹Mg, X), (³⁰Mg, X), (³¹Mg, X), (³²Mg, X), (³³Mg, X), E=950 MeV/nucleon; measured interaction σ. ^{32,31,30,29,28,27,26,25,23,22,21,20}Na, ^{20,22,23,24,27,29,30,31,32}Mg deduced effective rms radii, nucleon skin thickness related features.

doi: 10.1016/S0375-9474(97)00099-7
Citations: PlumX Metrics

1997SZ04      Z.Phys. A359, 117 (1997)

J.Szerypo, R.Grzywacz, Z.Janas, M.Karny, M.Pfutzner, A.Plochocki, K.Rykaczewski, J.Zylicz, M.Huyse, G.Reusen, J.Schwarzenberg, P.Van Duppen, A.Woehr, H.Keller, R.Kirchner, O.Klepper, A.Piechaczek, E.Roeckl, K.Schmidt, L.Batist, A.Bykov, V.Wittman, B.A.Brown

Decay Properties of Ground-State and Isomer of ¹⁰³In

RADIOACTIVITY ¹⁰³In(β⁺)(EC) [from ⁵⁰Cr(⁵⁸Ni, 2n3p), E=5.9 MeV/nucleon]; measured Eγ, Iγ, γγ-coin following decay; deduced log ft, Gamow-Teller strength. ^103mIn(IT) [from ⁵⁰Cr(⁵⁸Ni, 2n3p), E=5.9 MeV/nucleon]; measured T_1/2. ¹⁰¹In(β⁺) [from ⁵⁰Cr(⁵⁸Ni, 4n3p), E=5.9 MeV/nucleon]; measured Eγ, Iγ, γγ-coin following decay, T_1/2. ¹⁰³Cd deduced levels. Shell model calculations.

doi: 10.1007/s002180050376
Citations: PlumX Metrics

1997TR05      Nucl.Phys. A620, 191 (1997)

W.Trinder, E.G.Adelberger, B.A.Brown, Z.Janas, H.Keller, K.Krumbholz, V.Kunze, P.Magnus, F.Meissner, A.Piechaczek, M.Pfutzner, E.Roeckl, K.Rykaczewski, W.-D.Schmidt-Ott, M.Weber

Study of the β Decays of ³⁷Ca and ³⁶Ca

RADIOACTIVITY ^37,36Ca(β⁺p) [from ⁹Be(⁴⁰Ca, X), E=300 MeV/nucleon]; measured β-delayed Ep, Ip, Eγ, Iγ, βγ-, βγp-coin, T_1/2. ³⁷K deduced levels isospin mixing. ³⁶K levels deduced J, π assignment nonvalidity. Ge, Si detectors. sd-shell model.

doi: 10.1016/S0375-9474(97)00163-2
Citations: PlumX Metrics

1996CH24      Nucl.Phys. A603, 219 (1996)

L.Chulkov, G.Kraus, O.Bochkarev, P.Egelhof, H.Geissel, M.Golovkov, H.Irnich, Z.Janas, H.Keller, T.Kobayashi, G.Munzenberg, F.Nickel, A.Ogloblin, A.Ozawa, S.Patra, A.Piechaczek, E.Roeckl, W.Schwab, K.Summerer, T.Suzuki, I.Tanihata, K.Yoshida

Interaction Cross Sections and Matter Radii of A = 20 Isobars

NUCLEAR REACTIONS ¹²C(²⁰Ne, X), (²⁰O, X), (²⁰F, X), (²⁰Na, X), (²⁰Mg, X), E ≤ 1 GeV/nucleon; measured interaction σ; deduced matter rms radii. ²⁰O, ²⁰Ne, ²⁰F, ²⁰Na, ²⁰Mg deduced nucleon distribution rms radii differences. Secondary beams from ⁹Be(³⁶Ar, X), (⁴⁰Ar, X) reactions.

doi: 10.1016/0375-9474(96)00160-1
Citations: PlumX Metrics

1996NE06      Phys.Rev. C54, 1787 (1996)

F.Negoita, C.Borcea, F.Carstoiu, M.Lewitowicz, M.G.Saint-Laurent, R.Anne, D.Bazin, J.M.Corre, P.Roussel-Chomaz, V.Borrel, D.Guillemaud-Mueller, H.Keller, A.C.Mueller, F.Pougheon, O.Sorlin, S.Lukyanov, Yu.Penionzhkevich, A.Fomichev, N.Skobelev, O.Tarasov, Z.Dlouhy, A.Kordyasz

⁸B Proton Halo Via Reaction and Breakup Cross Section Measurements

NUCLEAR REACTIONS, ICPND ²⁸Si(⁸B, X), (⁷Be, X), E=10-40 MeV/nucleon; measured reaction σ(E). Si(⁸B, X), (⁷Be, X), E=40 MeV/nucleon; measured σ for X=Li, He. Si(⁸B, ⁷Be), E=10-40 MeV/nucleon; measured aborption, diffraction dissociation, total breakup σ, breakup fragment longitudinal momentum distribution FWHM. ⁸B deduced proton halo radius. Microscopic optical potentials, Glauber, Serber models.

doi: 10.1103/PhysRevC.54.1787
Citations: PlumX Metrics

1996SK04      Bull.Rus.Acad.Sci.Phys. 60, 123 (1996)

N.K.Skobelev, S.M.Lukyanov, Yu.E.Penionzhkevich, O.B.Tarasov, A.S.Fomichev, R.Anne, D.Bazin, J.-M.Corre, M.Lewitowicz, P.Roussel-Chomaz, M.G.Saint-Laurent, V.Borrel, D.Guillemaud-Mueller, H.Keller, A.C.Muller, O.Sorlin, C.Borcea, F.Carstoiu, Z.Dlouhy, I.Pecina, A.Kordyasz

Quasielastic Scattering of 40-MeV/Nucleon ⁷Be and ⁸B from ¹²C Nuclei

NUCLEAR REACTIONS ¹²C(⁷Be, ⁷Be), (⁷Be, X), (⁸B, ⁸B), (⁸B, X), E=40 MeV/nucleon; measured elastic, quasielastic σ(θ). ⁷Be, ⁸B, ¹²C deduced nucleon density distributions rms radii. Secondary ^7,8Be beams from ⁹Be(¹²C, X) reaction.

1995BA25      Z.Phys. A351, 149 (1995)

L.Batist, A.Bykov, F.Moroz, V.Wittmann, G.D.Alkhazov, H.Keller, R.Kirchner, O.Klepper, E.Roeckl, M.Huyse, P.Van Duppen, G.Reusen, A.Plochocki, M.Pfutzner, K.Rykaczewski, J.Szerypo, J.Zylicz, B.A.Brown

Gamow-Teller Strength Distribution in Beta-Decay of ¹⁰⁰Ag from Total-Absorption Gamma Spectrometry

RADIOACTIVITY ¹⁰⁰Ag(EC), (β⁺); measured Gamow-Teller transition strength distribution in ¹⁰⁰Pd. Total absorption γ-spectrometry. Model comparison.

doi: 10.1007/BF01289525
Citations: PlumX Metrics

1995GR14      Phys.Lett. 355B, 439 (1995)

R.Grzywacz, R.Anne, G.Auger, D.Bazin, C.Borcea, V.Borrel, J.M.Corre, T.Dorfler, A.Fomichov, M.Gaelens, D.Guillemaud-Mueller, R.Hue, M.Huyse, Z.Janas, H.Keller, M.Lewitowicz, S.Lukyanov, A.C.Mueller, Yu.Penionzhkevich, M.Pfutzner, F.Pougheon, K.Rykaczewski, M.G.Saint-Laurent, K.Schmidt, W.-D.Schmidt-Ott, O.Sorlin, J.Szerypo, O.Tarasov, J.Wauters, J.Zylicz

Identification of μs-Isomers Produced in the Fragmentation of a ¹¹²Sn Beam

NUCLEAR REACTIONS Ni(¹¹²Sn, X), E=58, 63 MeV/nucleon; compiled, reviewed small T_1/2 isomer production data; deduced evidence for ^66mAs. Fragment separator combined with gamma-detection array.

doi: 10.1016/0370-2693(95)00501-B
Citations: PlumX Metrics

1995GU01      Nucl.Phys. A583, 867c (1995)

A.Guglielmetti, B.Blank, R.Bonetti, Z.Janas, H.Keller, R.Kirchner, O.Klepper, A.Piechaczek, A.Plochocki, G.Poli, P.B.Price, E.Roeckl, K.Schmidt, J.Szerypo, A.J.Westphal

Production of ¹¹⁴Ba in ⁵⁸Ni Reactions and Detection of Its Cluster Radioactivity

NUCLEAR REACTIONS ⁶³Cu, ⁵⁸Ni(⁵⁸Ni, X), E=4.9 MeV/nucleon; measured charged particle spectra following residuals decay; deduced ^{114,115,116,117,118}Ba decay characteristics.

RADIOACTIVITY ^{115,116,117,118}Ba(α); ¹¹⁴Ba(α), (¹²C) [from ⁶³Cu, ⁵⁸Ni(⁵⁸Ni, X), E=4.9 MeV/nucleon]; measured Eα, decay T_1/2. Model comparison.

doi: 10.1016/0375-9474(94)00776-J
Citations: PlumX Metrics

1995GU10      Phys.Rev. C52, 740 (1995)

A.Guglielmetti, R.Bonetti, G.Poli, P.B.Price, A.J.Westphal, Z.Janas, H.Keller, R.Kirchner, O.Klepper, A.Piechaczek, E.Roeckl, K.Schmidt, A.Plochocki, J.Szerypo, B.Blank

Identification of the New Isotope ¹¹⁴Ba and Search for Its α and Cluster Radioactivity

NUCLEAR REACTIONS, ICPND ⁵⁸Ni(⁵⁸Ni, 2n), E=4.2 MeV/nucleon; measured residual production σ.

RADIOACTIVITY ¹¹⁴Ba(β^-), (α), (¹²C) [from ⁵⁸Ni(⁵⁸Ni, 2n), E=4.2 MeV/nucleon]; measured total β-decay T_1/2, α-, ¹²C-decay T_1/2 lower limit.

doi: 10.1103/PhysRevC.52.740
Citations: PlumX Metrics

1995JA16      Phys.Scr. T56, 262 (1995)

Z.Janas, H.Keller, R.Kirchner, O.Klepper, A.Piechaczek, E.Roeckl, K.Schmidt, M.Huyse, J.von Schwarzenberg, J.Szerypo, P.Van Duppen, L.Vermeeren, F.Albus, H.-J.Kluge, G.Passler, F.P.Scheerer, N.Trautmann, V.N.Fedoseyev, V.I.Mishin, R.Grzywacz, A.Plochocki, K.Rykaczewski, J.Zylicz

Beta Decay of the New Isotope ¹⁰¹Sn

RADIOACTIVITY ¹⁰¹Sn(β⁺p) [from ⁵⁰Cr(⁵⁸Ni, 5n2p), E not given]; measured β-delayed Ep, Ip, T_1/2. On-line mass separator, chemically selective ion sources.

doi: 10.1088/0031-8949/1995/T56/044
Citations: PlumX Metrics

1995KE05      Z.Phys. A352, 1 (1995)

H.Keller, R.Kirchner, B.Rubio, J.L.Tain, Th.Dorfler, W.D.Schmidt-Ott, E.Roeckl

Beta-Decay Energy and Atomic Mass of ¹⁴⁸Tb

RADIOACTIVITY ¹⁴⁸Tb(β⁺), (EC) [from ⁹⁴Zr(⁵⁸Ni, n3p)]; ¹⁴⁸Dy(β⁺) [from ⁹⁴Zr(⁵⁸Ni, 2n2p)]; measured β spectra, βγ(t). ¹⁴⁸Tb levels deduced Q(EC), ground state mass excess.

doi: 10.1007/BF01292750
Citations: PlumX Metrics

1995KR04      Z.Phys. A351, 11 (1995)

K.Krumbholz, W.-D.Schmidt-Ott, T.Hild, V.Kunze, F.Meissner, C.Wennemann, H.Keller, R.Kirchner, O.Klepper, E.Roeckl, D.Schardt, K.Rykaczewski

Evidence for the I(π) = 8^-, K = 8 Isomeric State in ¹⁸⁴Hf

NUCLEAR REACTIONS W(¹³⁶Xe, X), E=11.4 MeV/nucleon; measured Eβ, Iβ, Eγ, Iγ, βγ-, γγ-coin.

RADIOACTIVITY ¹⁸⁴Lu(β^-) [from W(¹³⁶Xe, X), E=11.4 MeV/nucleon]; measured Eβ, Iβ, Eγ, Iγ, βγ-, γγ-coin. ¹⁸⁴Lu deduced T_1/2. ¹⁸⁴Hf deduced levels, Eγ, relative Iγ, T_1/2.

doi: 10.1007/BF01292780
Citations: PlumX Metrics

1995LE08      Nucl.Phys. A583, 857c (1995)

M.Lewitowicz, R.Anne, G.Auger, C.Borcea, J.M.Corre, T.Dorfler, R.Grzywacz, D.Guillemaud-Mueller, M.Huyse, H.Keller, S.Lukyanov, A.C.Mueller, Yu.Penionzhkevich, M.Pfutzner, F.Pougheon, K.Rykaczewski, M.G.Saint-Laurent, W.D.Schmidt-Ott, O.Sorlin, O.Tarasov, J.Zylicz

Observation of ¹⁰⁰Sn

NUCLEAR REACTIONS Ni(¹¹²Sn, X), E=63 MeV/nucleon; measured fragment mass spectra; deduced evidence for ¹⁰⁰Sn, ^92,93Pd, ⁹⁹In, ¹⁰⁴Sb.

doi: 10.1016/0375-9474(94)00774-H
Citations: PlumX Metrics

1995LE14      Nucl.Phys. A588, 197c (1995)

M.Lewitowicz, R.Anne, G.Auger, D.Bazin, C.Borcea, V.Borrel, J.M.Corre, T.Dorfler, A.Fomichov, R.Grzywacz, D.Guillemaud-Mueller, R.Hue, M.Huyse, Z.Janas, H.Keller, S.Lukyanov, A.C.Mueller, Yu.Penionzhkevich, M.Pfutzner, F.Pougheon, K.Rykaczewski, M.G.Saint-Laurent, K.Schmidt, W.D.Schmidt-Ott, O.Sorlin, J.Szerypo, O.Tarasov, J.Wauters, J.Zylicz

Identification of ¹⁰⁰Sn and Other Proton Drip-Line Nuclei in the Reaction ¹¹²Sn(63 MeV/nucl.)+(Nat)Ni

NUCLEAR REACTIONS Ni(¹¹²Sn, X), E=63 MeV/nucleon; measured (fragment)γ(t), fragment mass distribution; deduced evidence for ^103,104Sb, ⁹⁸In, ⁹¹Pd, ⁸⁹Rh, ⁸⁷Ru, ^66mAs.

doi: 10.1016/0375-9474(95)00139-R
Citations: PlumX Metrics

1995PE09      Phys.Rev. C52, 191 (1995)

I.Pecina, R.Anne, D.Bazin, C.Borcea, V.Borrel, F.Carstoiu, J.M.Corre, Z.Dlouhy, A.Fomitchev, D.Guillemaud-Mueller, H.Keller, A.Kordyasz, M.Lewitowicz, S.Lukyanov, A.C.Mueller, Yu.Penionzhkevich, P.Roussel-Chomaz, M.G.Saint-Laurent, N.Skobelev, O.Sorlin, O.Tarasov

Quasielastic Scattering of ⁸B and ⁷Be on ¹²C at 40 MeV/nucleon

NUCLEAR REACTIONS ¹²C(⁸B, ⁸B), (⁸B, X), (⁷Be, ⁷Be), E=40 MeV/nucleon; ¹²C(¹²C, ¹²C), E=20 MeV/nucleon; measured σ(θ); deduced optical model parameters, σ(⁸B(¹²C, X)⁷Be). ⁸B deduced proton halo size.

doi: 10.1103/PhysRevC.52.191
Citations: PlumX Metrics

1995PF01      Nucl.Phys. A581, 205 (1995)

M.Pfutzner, A.Plochocki, K.Rykaczewski, J.Szerypo, J.Zylicz, H.Keller, R.Kirchner, O.Klepper, E.Roeckl, D.Schardt, M.Huyse, G.Reusen, P.Van Duppen, B.A.Brown

The Gamow-Teller Decay of ¹⁰⁵Sn to Three-Particle States in ¹⁰⁵In

RADIOACTIVITY ¹⁰⁵Sn(EC), (β⁺) [from ⁵⁰Cr(⁵⁰Ni, n2p), E=5.3 MeV/nucleon, mass separation]; measured Eγ, Iγ, γγ-coin, T_1/2. ¹⁰⁵In deduced levels, Gamow-Teller transition strength distribution. Enriched target. Ge detectors.

NUCLEAR STRUCTURE ¹⁰⁵Sn, ¹⁰⁵In; calculated Gamow-Teller transition strength distribution. Shell model.

doi: 10.1016/0375-9474(94)00330-P
Citations: PlumX Metrics

1995PI03      Nucl.Phys. A584, 509 (1995)

A.Piechaczek, M.F.Mohar, R.Anne, V.Borrel, B.A.Brown, J.M.Corre, D.Guillemaud-Mueller, R.Hue, H.Keller, S.Kubono, V.Kunze, M.Lewitowicz, P.Magnus, A.C.Mueller, T.Nakamura, M.Pfutzner, E.Roeckl, K.Rykaczewski, M.G.Saint-Laurent, W.-D.Schmidt-Ott, O.Sorlin

Beta-Decay of ²⁰Mg

RADIOACTIVITY ²⁰Mg(β⁺p) [from Ni(²⁴Mg, X), E=95 MeV/nucleon]; measured β-delayed Ep, Ip, γ spectra. ²⁰Na levels deduced J, π, β-decay feeding upper limit, Gamow-Teller transition strength.

doi: 10.1016/0375-9474(94)00791-K
Citations: PlumX Metrics

1995RY03      Phys.Rev. C52, R2310 (1995)

K.Rykaczewski, R.Anne, G.Auger, D.Bazin, C.Borcea, V.Borrel, J.M.Corre, T.Dorfler, A.Fomichov, R.Grzywacz, D.Guillemaud-Mueller, R.Hue, M.Huyse, Z.Janas, H.Keller, M.Lewitowicz, S.Lukyanov, A.C.Mueller, Yu.Penionzhkevich, M.Pfutzner, F.Pougheon, M.G.Saint-Laurent, K.Schmidt, W.D.Schmidt-Ott, O.Sorlin, J.Szerypo, O.Tarasov, J.Wauters, J.Zylicz

Identification of New Nuclei at and Beyond the Proton Drip Line Near the Doubly Magic Nucleus ¹⁰⁰Sn

NUCLEAR REACTIONS Ni(¹¹²Sn, X), E=58, 62 MeV/nucleon; measured heavy fragments energy loss, total kinetic energy, Eγ, Iγ; deduced evidence for ^103,104Sb, ⁹⁸In, ⁹¹Pd, ⁸⁹Rh, ⁸⁷Ru. Other fragments atomic, mass numbers, charge state deduced. Tof.

doi: 10.1103/PhysRevC.52.R2310
Citations: PlumX Metrics

1995SO03      Nucl.Phys. A583, 763c (1995)

O.Sorlin, D.Guillemaud-Mueller, R.Anne, L.Axelsson, D.Bazin, W.Bohmer, V.Borrel, Y.Jading, H.Keller, K.-L.Kratz, M.Lewitowicz, S.M.Lukyanov, T.Mehren, A.C.Mueller, Yu.E.Penionzhkevich, F.Pougheon, M.G.Saint-Laurent, V.S.Salamatin, S.Shoedder, A.Wohr

Beta-Decay Studies of Far from Stability Nuclei Near N = 28

RADIOACTIVITY ⁴³P, ^42,44,45S, ^44,45,46Cl, ⁴⁷Ar(β^-n) [from ⁶⁴Ni(⁴⁸Ca, X), E=60 MeV/nucleon]; measured β-decay T_1/2, β-delayed neutron emission probabilities.

doi: 10.1016/0375-9474(94)00755-C
Citations: PlumX Metrics

1995SU18      Phys.Rev.Lett. 75, 3241 (1995)

T.Suzuki, H.Geissel, O.Bochkarev, L.Chulkov, M.Golovkov, D.Hirata, H.Irnich, Z.Janas, H.Keller, T.Kobayashi, G.Kraus, G.Munzenberg, S.Neumaier, F.Nickel, A.Ozawa, A.Piechaczek, E.Roeckl, W.Schwab, K.Summerer, K.Yoshida, I.Tanihata

Neutron Skin of Na Isotopes Studied Via Their Interaction Cross Sections

NUCLEAR REACTIONS C(²⁰Na, X), (²¹Na, X), (²²Na, X), (²³Na, X), (²⁵Na, X), (²⁶Na, X), (²⁷Na, X), (²⁸Na, X), (²⁹Na, X), (³⁰Na, X), (³¹Na, X), (³²Na, X), E=950 MeV/nucleon; measured interaction σ. ^{20,21,22,23,25,26,27,28,29,30,31,32}Na deduced effective rms radii, proton-neutron separation energy difference.

doi: 10.1103/PhysRevLett.75.3241
Citations: PlumX Metrics

1995SZ01      Nucl.Phys. A584, 221 (1995)

J.Szerypo, M.Huyse, G.Reusen, P.Van Duppen, Z.Janas, H.Keller, R.Kirchner, O.Klepper, A.Piechaczek, E.Roeckl, D.Schardt, K.Schmidt, R.Grzywacz, M.Pfutzner, A.Plochocki, K.Rykaczewski, J.Zylicz, G.Alkhazov, L.Batist, A.Bykov, V.Wittmann, B.A.Brown

Beta Decay of Neutron-Deficient Even-Mass Indium Isotopes: Evidence for population of highly-excited states in the Cadmium-daughter nuclei

RADIOACTIVITY ^100,102,104In(EC), (β⁺) [from ⁵⁰Cr(⁵⁸Ni, xn3p), E=5.6 MeV/nucleon]; measured Eγ, Iγ, β-delayed Ep, Ip, Eβ, pγ-, βγ-, γγ-coin, T_1/2; deduced B(GT). ¹⁰²Cd deduced levels. Ge, Si detectors, on-line mass separation.

doi: 10.1016/0375-9474(94)00513-M
Citations: PlumX Metrics

1995TR02      Phys.Lett. 348B, 331 (1995)

W.Trinder, E.G.Adelberger, B.A.Brown, Z.Janas, H.Keller, K.Krumbholz, V.Kunze, P.Magnus, F.Meissner, A.Piechaczek, M.Pfutzner, E.Roeckl, K.Rykaczewski, W.-D.Schmidt-Ott, M.Weber

Gamow-Teller Strength in the β-Decay of ³⁶Ca

RADIOACTIVITY ³⁶Ca(β⁺p); measured βγ-coin, β⁺-delayed proton spectra, T_1/2; deduced log ft, Gamow-Teller transition strength.

doi: 10.1016/0370-2693(95)00130-D
Citations: PlumX Metrics

1995TR03      Phys.Lett. 349B, 267 (1995)

W.Trinder, E.G.Adelberger, Z.Janas, H.Keller, K.Krumbholz, V.Kunze, P.Magnus, F.Meissner, A.Piechaczek, M.Pfutzner, E.Roeckl, K.Rykaczewski, W.-D.Schmidt-Ott, M.Weber

β-Decay of ³⁷Ca

RADIOACTIVITY ³⁷Ca(β⁺p); measured βγ-coin, T_1/2; deduced Gamow-Teller transition strength. ³⁷K levels deduced Γγ/Γp. Comparison with other data.

doi: 10.1016/0370-2693(95)00282-P
Citations: PlumX Metrics

1994KE06      Z.Phys. A348, 61 (1994)

H.Keller, R.Anne, D.Bazin, R.Bimbot, M.J.G.Borge, J.M.Corre, S.Dogny, H.Emling, D.Guillemaud-Mueller, P.G.Hansen, P.Hornshoj, F.Humbert, P.Jensen, B.Jonson, M.Lewitowicz, A.C.Mueller, R.Neugart, T.Nilsson, G.Nyman, F.Pougheon, M.G.Saint-Laurent, G.Schrieder, O.Sorlin, O.Tengblad, K.Wilhelmsen Rolander

Search for Forbidden β-Decay of the Drip Line Nucleus ¹²Be

RADIOACTIVITY ¹²Be(β^-) [from ⁹Be(¹⁸O, X), E=63 MeV/nucleon]; measured βγ-coin, T_1/2; deduced ft. ¹²B levels deduced β-branching ratio.

doi: 10.1007/BF01291655
Citations: PlumX Metrics

1994KE07      Z.Phys. A348, 67 (1994)

H.Keller, V.Borrel, D.Guillemaud-Mueller, A.C.Mueller, F.Pougheon, O.Sorlin, P.Baumann, F.Didierjean, A.Huck, A.Knipper, G.Walter, R.Anne, D.Bazin, M.Lewitowicz, M.G.Saint-Laurent, G.Marguier

Production of Isomeric ⁴⁴V and ⁴²Sc in High Energy Heavy Ion Reactions

RADIOACTIVITY ^44m,44V(β⁺); ^42m,42Sc(β⁺) [from Ni(⁵⁸Ni, X), E=69 MeV/nucleon]; measured βγ-coin; deduced isomer to ground state production ratio.

NUCLEAR REACTIONS, ICPND Ni(⁵⁸Ni, X)⁴⁴V/^44mV/⁴²Sc/^42mSc, E=69 MeV/nucleon; measured βγ-coin; deduced isomer to ground state production ratio.

doi: 10.1007/BF01291658
Citations: PlumX Metrics

1994LE27      Phys.Lett. 332B, 20 (1994)

M.Lewitowicz, R.Anne, G.Auger, D.Bazin, C.Borcea, V.Borrel, J.M.Corre, T.Dorfler, A.Fomichov, R.Grzywacz, D.Guillemaud-Mueller, R.Hue, M.Huyse, Z.Janas, H.Keller, S.Lukyanov, A.C.Mueller, Yu.Penionzhkevich, M.Pfutzner, F.Pougheon, K.Rykaczewski, M.G.Saint-Laurent, K.Schmidt, W.D.Schmidt-Ott, O.Sorlin, J.Szerypo, O.Tarasov, J.Wauters, J.Zylicz

Identification of the Doubly-Magic Nucleus ¹⁰⁰Sn in the Reaction ¹¹²Sn + (nat)Ni at 63 MeV/Nucleon

NUCLEAR REACTIONS Ni(¹¹²Sn, X)¹⁰⁰Sn, E=63 MeV/nucleon; measured fragment Z vs mass to charge ratio; deduced evidence for ¹⁰⁰Sn. Production σ lower limit given.

doi: 10.1016/0370-2693(94)90852-4
Citations: PlumX Metrics

1994ME13      Z.Phys. A349, 13 (1994)

R.Menegazzo, P.Kleinheinz, R.Collatz, H.Guven, J.Styczen, D.Schardt, H.Keller, O.Klepper, G.Walter, A.Huck, G.Marguier, J.Blomqvist, and the ISOLDE Collaboration

The N = 83 Nucleus ¹⁴⁹Dy from Gamow-Teller Decay of Its (11/2)^- and (1/2)^{+ 149}Ho Parents

RADIOACTIVITY ¹⁴⁹Ho(β⁺) [from ^94,95Mo(⁵⁸Ni, X), E=5-4 MeV/nucleon]; measured γγ-, γ(X-ray)-coin; deduced (1/2)⁺, (11/2)^- level decay, T_1/2. ¹⁴⁹Dy deduced Gamow-Teller decay strength, levels, configuration.

doi: 10.1007/BF01296328
Citations: PlumX Metrics

1994UZ01      Phys.Lett. 331B, 280 (1994)

J.L.Uzureau, P.Delbourgo-Salvador, T.Ethvignot, J.E.Sauvestre, J.Trochon, B.Bonnereau, M.Szmigiel, R.Anne, D.Bazin, J.M.Corre, M.Lewitowicz, M.G.St Laurent, R.Bimbot, H.Keller, A.C.Mueller, O.Sorlin

Production of Pure ^42mSc Isomeric Beam

NUCLEAR REACTIONS ¹²C(⁴⁰Ca, ¹⁰B)⁴²Sc/^42mSc, E=30 MeV/nucleon; measured γ spectra following ^42mSc decay; deduced residual (as secondary beam) intensity.

RADIOACTIVITY ^42mSc(β⁺) [from ¹²C(⁴⁰Ca, ¹⁰B), E=30 MeV/nucleon]; measured Eγ, Iγ. Source as secondary beam.

doi: 10.1016/0370-2693(94)91052-9
Citations: PlumX Metrics

1994WE02      Z.Phys. A347, 185 (1994)

Ch.Wennemann, W.-D.Schmidt-Ott, T.Hild, K.Krumbholz, V.Kunze, F.Meissner, H.Keller, R.Kirchner, E.Roeckl

Investigation of New Neutron-Rich Gold Isotopes ²⁰³Au and ²⁰⁵Au

RADIOACTIVITY ^203,205Au(β^-) [from W(²⁰⁸Pb, X), E=11.4 MeV/nucleon]; measured β-delayed Eγ, Iγ, βγ-coin; deduced Q. ^203,205Hg deduced levels, J, π. Model comparison.

NUCLEAR REACTIONS, ICPND W(²⁰⁸Pb, X)²⁰³Au/²⁰⁵Au, E=11.4 MeV/nucleon; measured β-delayed Eγ, Iγ, βγ-coin; deduced residuals production yields.

doi: 10.1007/BF01292375
Citations: PlumX Metrics

1994WE14      Nucl.Phys. A578, 659 (1994)

M.Weber, C.Donzaud, J.P.Dufour, H.Geissel, A.Grewe, D.Guillemaud-Mueller, H.Keller, M.Lewitowicz, A.Magel, A.C.Mueller, G.Munzenberg, F.Nickel, M.Pfutzner, A.Piechaczek, M.Pravikoff, E.Roeckl, K.Rykaczewski, M.G.Saint-Laurent, I.Schall, C.Stephan, K.Summerer, L.Tassan-Got, D.J.Vieira, B.Voss

Longitudinal Momenta and Production Cross-Sections of Isotopes Formed by Fragmentation of 500 A x MeV ⁸⁶Kr Beam

NUCLEAR REACTIONS ⁹Be, Cu, Ta(⁸⁶Kr, X), E=500 MeV/nucleon; measured fragment longitudinal momentum distribution, production σ for mass 10-90; deduced ⁷⁸Ni production σ. Semi-empirical, geometrical abrasion, intranuclear-cascade models.

doi: 10.1016/0375-9474(94)90766-8
Citations: PlumX Metrics

1993BO14      Z.Phys. A345, 171 (1993)

U.Bosch-Wicke, W.-D.Schmidt-Ott, K.Rykaczewski, K.Becker, T.Hild, H.Keller, V.Kunze, F.Meissner, R.Kirchner, A.Piechaczek, E.Roeckl

Spectroscopic Investigations of ¹⁷⁹Yb-Decay Including a ms-Isomer in ¹⁷⁹Lu

RADIOACTIVITY ¹⁷⁹Yb(β^-) [from Re(¹³⁶Xe, X), E=11.6 MeV/nucleon; W(¹⁹⁷Au, X), E=11.4 MeV/nucleon]; measured Eγ, Iγ, β-spectra, βγ-, γγ-, γ(X-ray)-coin. ¹⁷⁹Lu deduced isomer, T_1/2, decay features.

1993KE04      Phys.Rev. C47, 2422 (1993)

H.Keller

Atomic Masses Near ¹⁴⁶Gd: Evidence for a systematic deviation between experiment and mass formulas

NUCLEAR STRUCTURE Z=55-80; analyzed proton separation energies. Z=65-85; analyzed mass values; deduced systematic deviations between observed, calculated masses.

doi: 10.1103/PhysRevC.47.2422
Citations: PlumX Metrics

1993LE30      Nouvelles de GANIL 48, 7 (1993)

M.Lewitowicz, R.Anne, G.Auger, D.Bazin, M.G.Saint-Laurent, R.Grzywacz, M.Pfutzner, K.Rykaczewski, J.Zylicz, S.Lukyanov, A.Fomichov, Y.Penionzhkevich, O.Tarasov, V.Borrel, D.Guillemaud-Mueller, A.C.Mueller, H.Keller, O.Sorlin, F.Pougheon, M.Huyse, T.Pluym, J.Szerypo, J.Wauters, C.Borcea, K.Schmidt, Z.Janas

Towards ¹⁰⁰Sn

NUCLEAR REACTIONS Ni(¹¹²Sn, X)Pd/Ag/Cd/In/Sn/Sb/Te, E=58 MeV/nucleon; measured reaction products. ^{101,102,103,104,105,106,107,108,109}Sn; deduced new isotopes. LISE3 spectrometer at GANIL.

1992GE09      Nucl.Instrum.Methods Phys.Res. B70, 286 (1992)

H.Geissel, P.Armbruster, K.H.Behr, A.Brunle, K.Burkard, M.Chen, H.Folger, B.Franczak, H.Keller, O.Klepper, B.Langenbeck, F.Nickel, E.Pfeng, M.Pfutzner, E.Roeckl, K.Rykaczewski, I.Schall, D.Schardt, C.Scheidenberger, K.-H.Schmidt, A.Schroter, T.Schwab, K.Summerer, M.Weber, G.Munzenberg, T.Brohm, H.-G.Clerc, M.Fauerbach, J.-J.Gaimard, A.Grewe, E.Hanelt, B.Knodler, M.Steiner, B.Voss, J.Weckenmann, C.Ziegler, A.Magel, H.Wollnik, J.P.Dufour, Y.Fujita, D.J.Vieira, B.Sherrill

The GSI Projectile Fragment Separator (FRS): A versatile magnetic system for relativistic heavy ions

doi: 10.1016/0168-583X(92)95944-M
Citations: PlumX Metrics

1992RE06      Z.Phys. A342, 411 (1992)

W.Reisdorf, J.V.Kratz, R.Bellwied, W.Bruchle, H.Keller, K.Lutzenkirchen, M.Schadel, K.Summerer, G.Wirth

Competition between Binary Reactions and Fusion in Heavy-Ion Collisions at the Coulomb Barrier

NUCLEAR REACTIONS ⁷⁶Ge(⁸⁶Kr, X), E=3.22 MeV/nucleon; ¹⁰⁴Ru(⁸⁶Kr, X), E=3.84, 3.64 MeV/nucleon; ¹³⁰Te(⁸⁴Kr, X), E=3.96 MeV/nucleon; measured residual production σ for X=Zn to Ce isotopes, mass, charge distributions; deduced reseparation channels main components.

doi: 10.1007/BF01294952
Citations: PlumX Metrics

1992WE04      Z.Phys. A343, 67 (1992)

M.Weber, C.Donzaud, J.P.Dufour, H.Geissel, A.Grewe, D.Guillemaud-Mueller, H.Keller, M.Lewitowicz, A.Magel, A.C.Mueller, G.Munzenberg, F.Nickel, M.Pfutzner, A.Piechaczek, M.Pravikoff, E.Roeckl, K.Rykaczewski, M.G.Saint-Laurent, I.Schall, C.Stephan, K.Summerer, L.Tassan-Got, D.J.Vieira, B.Voss

New Neutron-Rich Isotopes in the Scandium-to-Nickel Region, Produced by Fragmentation of a 500 MeV/u ⁸⁶Kr Beam

NUCLEAR REACTIONS ⁹Be(⁸⁶Kr, X)⁵⁸Ti/⁶¹V/⁶³Cr/⁶⁶Mn/⁶⁹Fe/⁷¹Co, E=500 MeV/nucleon; measured residue, neighboring nuclei production σ. Zero-degree magnetic spectrometer, empirical parametrization of data.

doi: 10.1007/BF01291599
Citations: PlumX Metrics

1991KE06      Nucl.Instrum.Methods Phys.Res. A300, 67 (1991)

H.Keller, R.Kirchner, O.Klepper, E.Roeckl, D.Schardt, R.S.Simon, P.Kleinheinz, C.F.Liang, P.Paris

A Summation-Free β⁺-Endpoint Spectrometer

RADIOACTIVITY ^149mTb [from ^94,95Mo(⁵⁸Ni, X), E=5.3 MeV/nucleon]; measured β⁺γ-coin; deduced β⁺-endpoint energy. Summation-free β⁺-endpoint spectrometer.

doi: 10.1016/0168-9002(91)90707-W
Citations: PlumX Metrics

1991KE08      Z.Phys. A339, 355 (1991)

H.Keller, R.Barden, R.Kirchner, O.Klepper, E.Roeckl, D.Schardt, I.S.Grant, A.Plochocki, K.Rykaczewski, J.Szerypo, J.Zylicz, and the ISOLDE Collaboration

Q(EC) Value and Gamow-Teller Strength of the ¹⁰²Cd EC/β⁺ Decay

RADIOACTIVITY ¹⁰²Cd [from ⁹²Mo(¹⁶O, X), ⁵⁰Cr(⁵⁸Ni, X), E=9.2, 5.3 MeV/nucleon, respectively; Sn(p, X), E=600 MeV]; measured Eγ, Iγ, I(ce), γ(X-ray)-coin, γγ-coin; deduced T_1/2, Q(EC). ¹⁰²Ag deduced levels, J, π, ICC, Gamow-Teller transition strength.

doi: 10.1007/BF01560637
Citations: PlumX Metrics

1991KE11      Z.Phys. A340, 363 (1991)

H.Keller, R.Kirchner, O.Klepper, E.Roeckl, D.Schardt, R.S.Simon, P.Kleinheinz, R.Menegazzo, C.F.Liang, P.Paris, K.Rykaczewski, J.Zylicz

β⁺-Endpoint Measurements Near ¹⁰⁰Sn and ¹⁴⁶Gd

RADIOACTIVITY ¹⁰⁴Sn, ¹⁴⁷Tb, ^148,149Dy, ¹⁴⁹Ho, ¹⁵⁰Er, ¹⁵¹Tm(β⁺); measured γ-spectra, Eβ; deduced Q(EC). ¹⁰⁴Sn deduced mass excess. Other nuclei discussed.

doi: 10.1007/BF01290323
Citations: PlumX Metrics

1991SZ03      Nucl.Phys. A528, 203 (1991)

J.Szerypo, D.Bazin, B.A.Brown, D.Guillemaud-Mueller, H.Keller, R.Kirchner, O.Klepper, D.Morrissey, E.Roeckl, D.Schardt, B.Sherrill

The Beta Decay of ⁴⁸Mn Improved Data on Gamow-Teller Quenching

RADIOACTIVITY ⁴⁸Mn [from ¹²C(⁴⁰Ca, 3np)]; measured T_1/2, β-delayed Eγ, Iγ, β-delayed Ep, Ip, γγ-, pγ-coin; deduced log ft. ⁴⁸Cr deduced levels, Fermi and Gamow-Teller transition strength. Shell-model calculations. Ge, surface-barrier Si detectors, on-line mass separation.

doi: 10.1016/0375-9474(91)90424-5
Citations: PlumX Metrics

1990GU28      Z.Phys. D17, 181 (1990)

G.H.Guthohrlein, H.P.Keller

Doppler-Free Laserspectroscopic Investigations of Hyperfine Structure in the Atomic Cobalt Spectrum

NUCLEAR MOMENTS ⁵⁹Co; measured hfs; deduced spectroscopic quadrupole moment. Doppler-free laser spectroscopy.

1988GU06      J.Phys.(London) B21, 2353 (1988)

G.H.Guthohrlein, H.P.Keller

Hyperfine-Structure Investigations in the Co I Spectrum

NUCLEAR MOMENTS ⁵⁹Co; measured hfs; deduced hyperfine constants. Doppler limited optogalvanic spectroscopy.

doi: 10.1088/0953-4075/21/12/020
Citations: PlumX Metrics

1987KE01      Z.Phys. A326, 313 (1987)

H.Keller, K.Lutzenkirchen, J.V.Kratz, G.Wirth, W.Bruchle, K.Summerer

Evidence for Quasi-Fission in ⁴⁰Ar + ²⁰⁸Pb Collisions near the Coulomb-Barrier

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁰Ar, X), E=4.75, 5.22 MeV/nucleon; measured fragment σ(θ). Enriched target. Extra push model.

1987KE06      Z.Phys. A328, 255 (1987)

H.Keller, R.Bellwied, K.Lutzenkirchen, J.V.Kratz, W.Bruchle, H.Gaeggeler, K.J.Moody, M.Schadel, G.Wirth

Unusual Excitation-Energy Division in Quasi-Fission Reactions between ⁵⁰Ti, ⁵⁴Cr and ⁵⁸Fe with ^207,208Pb at the Barrier

NUCLEAR REACTIONS ²⁰⁷Pb(⁵⁰Ti, X), (⁵⁰Ti, F), E=4.85 MeV/nucleon; ²⁰⁸Pb(⁵⁴Cr, X), (⁵⁴Cr, F), E=4.9 MeV/nucleon; ²⁰⁸Pb(⁵⁸Fe, X), (⁵⁸Fe, F), E=5.02 MeV/nucleon; ²⁰⁹Bi(⁵⁸Fe, X), (⁵⁸Fe, F), E=5.15 MeV/nucleon; measured fragment mass, charge distributions, σ(Z, A), fission product γ-decay; deduced fission σ vs fragment Z.

1987KO41      Nucl.Instrum.Methods Phys.Res. A257, 244 (1987)

R.Kotte, H.-J.Keller, H.-G.Ortlepp, F.Stary

Bragg Peak Spectroscopy of Low-Energy Heavy Ions

RADIOACTIVITY ²¹⁰Po, ²⁴¹Am(α); measured Eα. Ionization chambers.

ATOMIC PHYSICS ¹⁹⁷Au(¹²C, ¹²C), (¹⁶O, ¹⁶O), (³⁵Cl, ³⁵Cl), (²⁸Si, ²⁸Si), (³²S, ³²S), (⁷⁹Br, ⁷⁹Br), E=22.75-36 MeV; measured Bragg peak height vs Z, energy distribution, Z resolution vs energy loss. Ionization chamber.

doi: 10.1016/0168-9002(87)90743-1
Citations: PlumX Metrics

1987PR06      Nucl.Phys. A472, 381 (1987)

H.Prade, W.Enghardt, I.Dioszegi, L.Kaubler, H.-J.Keller, F.Stary, G.Winter

In-Beam Investigations and Structure Studies of Multiparticle Excitations in the N = 82, 83 Nuclei ^138,139Ba

NUCLEAR REACTIONS ¹³⁶Xe(α, 2n), (α, n), E=20, 22, 24, 27 MeV; measured Eγ, Iγ, γγ-coin, σ(E, Eγ, θγ), γ-ray linear polarization, Doppler shift, γ(t). ^138,139Ba deduced levels, J, π, T_1/2, γ-multipolarity, δ. Enriched ¹³⁶Xe target. Shell-model, particle-core coupling calculations.

doi: 10.1016/0375-9474(87)90039-X
Citations: PlumX Metrics

1986EN01      Nucl.Phys. A449, 417 (1986)

W.Enghardt, L.Kaubler, H.Prade, H.-J.Keller, F.Stary

In-Beam Study of Multiparticle Excitations in the Semi-Magic Nucleus ¹⁴⁰Ce

NUCLEAR REACTIONS ¹³⁸Ba(α, 2nγ), E=20, 22, 24, 27 MeV; measured Eγ, Iγ, γγ-coin, σ(Eα, Eγ, θγ), γ linear polarization. ¹⁴⁰Ce deduced levels, J, π, T_1/2, γ-multipolarity, δ. Enriched ¹³⁸Ba target, Ge(Li) detectors. Shell-model, particle-core coupling calculations.

doi: 10.1016/0375-9474(86)90229-0
Citations: PlumX Metrics

1986EN06      Ann.Phys.(Leipzig) 43, 424 (1986)

W.Enghardt, H.Prade, H.U.Jager, L.Kaubler, H.-J.Keller, F.Stary, L.K.Kostov

Microscopic Structure of Semimagic Nuclei with 82 Neutrons or 50 Protons

NUCLEAR STRUCTURE ¹³⁸Ba, ¹⁴⁰Ce, ¹⁴¹Pr, ¹⁴³Pm, ¹⁴⁴Sm, ^109,111Sn; calculated levels, g. Shell model.

NUCLEAR REACTIONS ¹³⁶Xe, ¹³⁸Ba, ¹³⁹La, ¹⁴¹Pr, ¹⁴²Nd, ¹⁰⁶Cd(α, 2n), ¹⁴²Nd(α, 2np), ¹⁰⁸Cd(α, n), E=20-27 MeV; ¹⁴⁰Ce(d, n), E=13.5 MeV; ¹¹¹Cd(³He, 3n), E=28-32 MeV; ¹⁰⁹Ag(⁶Li, 4n), E=40.5 MeV; measured Eγ, Iγ, γγ-coin, σ(E), γ(θ), γ(t), linear polarization, I(ce). ¹³⁸Ba, ¹⁴⁰Ce, ¹⁴¹Pr, ¹⁴³Pm, ¹⁴⁴Sm, ^109,111Sn deduced levels, J, π, T_1/2, g. In-beam γ spectroscopy. Shell model.

doi: 10.1002/andp.19864980606
Citations: PlumX Metrics

1985KE09      Nucl.Phys. A444, 261 (1985)

H.-J.Keller, S.Frauendorf, U.Hagemann, L.Kaubler, H.Prade, F.Stary

In-Beam Study of ¹⁰⁵Ag and Configuration-Dependent Triaxiality in Nuclei around A = 105

NUCLEAR STRUCTURE ^104,105,107Ag, ^104,105Pd; calculated levels. Cranked shell model.

NUCLEAR REACTIONS ¹⁰³Rh(α, 2n), E=20-27 MeV; ¹⁰⁵Pd(d, 2n), E=13.5 MeV; measured Eγ, Iγ, σ(E, Eγ, θγ), αγ(t), γγ-coin, Iγ(θ, t, H). ¹⁰⁵Ag deduced levels, J, π, δ(E2/M1), T_1/2, g. Enriched targets. Ge(Li) detectors. Cranked shell model analysis.

doi: 10.1016/0375-9474(85)90350-1
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0544.

1984EN01      Z.Phys. A316, 245 (1984)

W.Enghardt, H.U.Jager, L.Kaubler, H.-J.Keller, H.Prade, F.Stary

Excited States above the 6⁺ Isomer in ¹⁴⁰Ce

NUCLEAR REACTIONS ¹³⁸Ba(α, 2n), E=20-27 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), linear polarization, γ(t), γ(t, H). ¹⁴⁰Ce deduced levels, J, π, γ-branching, configuration. Shell model, particle-core coupling model comparisons.

doi: 10.1007/BF01412272
Citations: PlumX Metrics

1984EN02      ATOMKI Kozlem. 26, 34 (1984)

W.Enghardt, H.U.Jager, L.Kaubler, H.J.Keller, H.Prade, F.Stary

Evidence for Core Coupled States of Negative Parity in ¹³⁸Ba and ¹⁴⁰Ce

NUCLEAR REACTIONS ¹³⁶Xe, ¹³⁸Ba(α, 2n), E not given; measured γ-spectra. ¹³⁸Ba, ¹⁴⁰Ce deduced levels, J, π, configuration. Particle-core coupling, shell model description.

1984KA16      ATOMKI Kozlem. 26, 27 (1984)

L.Kaubler, W.Enghardt, H.J.Keller, L.Kostov, H.Prade, F.Stary

Half-Lives of ¹⁰⁹Sn and Shell-Model Calculations

NUCLEAR REACTIONS ¹⁰⁶Cd(α, n), E=20 MeV; measured γ-spectra, centroid shift time distribution. ¹⁰⁹Sn levels deduced T_1/2. Shell model comparison.

1984PR06      Nucl.Phys. A425, 317 (1984)

H.Prade, W.Enghardt, W.D.Fromm, H.U.Jager, L.Kaubler, H.-J.Keller, L.K.Kostov, F.Stary, G.Winkler, L.Westerberg

New Positive-Parity States and the Shell-Model Description of ¹¹¹Sn

NUCLEAR REACTIONS, ICPND ¹⁰⁸Cd(α, n), E=20-27 MeV; measured Eγ, Iγ, γγ-coin, σ(E, Eγ, θγ), αγ(t), I(ce), γ yield vs E. ¹¹¹Cd(³He, 3n), E=28-32 MeV; measured Eγ, Iγ, γγ-coin, σ(E, Eγ, γγ), ³Heγ(t), γ yield vs E. ¹⁰⁹Ag(⁶Li, 4n), E=40.5 MeV; measured Eγ, Iγ. ¹¹¹Sn deduced levels, J, π, T_1/2, ICC, δ(E2/M1). Enriched targets, Ge(Li), Si-Li detectors. Shell model analysis.

doi: 10.1016/0375-9474(84)90078-2
Citations: PlumX Metrics

1982HA46      Nucl.Phys. A389, 341 (1982)

U.Hagemann, L.Kaubler, H.-J.Keller, F.R.May, H.Prade, F.Stary

Investigation of ¹²¹I Levels Observed in the (³He, 3n) Reaction

NUCLEAR REACTIONS ¹²¹Sb(³He, 3n), E=24.3, 27.5, 29.9, 32.0 MeV; measured E(γ), I(γ), σ(E, Eγ, θγ), ³Heγ(t), γγ-coin, Iγ(θ, t, H). ¹²¹I deduced levels, J, π, T_1/2, g. Enriched ¹²¹Sb target, Ge(Li) detectors. Core-quasiparticle coupling calculations.

NUCLEAR STRUCTURE ¹²¹I; calculated potential energy surfaces, levels. Core-quasiparticle coupling model, angular momentum projection.

doi: 10.1016/0375-9474(82)90523-1
Citations: PlumX Metrics

1981PR09      Nucl.Phys. A370, 47 (1981)

H.Prade, W.Enghardt, H.U.Jager, L.Kaubler, H.-J.Keller, F.Stary

In-Beam Study and Structure of the N = 82 Nucleus ¹⁴¹Pr

NUCLEAR REACTIONS ¹³⁹La(α, 2nγ), E=20, 22, 24, 27 MeV; ¹⁴⁰Ce(d, nγ), E=13.5 MeV; measured Eγ, Iγ, γγ-coin, σ(E, Eγ, θγ), γ(t), I(ce), γ-ray linear polarization. ¹⁴¹Pr deduced levels, J, π, T_1/2, ICC, γ-multipolarity, δ. Natural La target, enriched ¹⁴⁰Ce target, Ge(Li), Si(Li) detector. Shell-model calculations.

doi: 10.1016/0375-9474(81)90754-5
Citations: PlumX Metrics

1979HA18      Z.Phys. A290, 399 (1979)

U.Hagemann, H.-J.Keller, C.Protochristow, F.Stary

ΔJ = 1 Band Structures on ns-Isomeric States in Odd Mass ^117,119,121Te Nuclei

NUCLEAR REACTIONS ^115,117,119Sn(α, 2n), E=19.8, 22.1, 24.2, 27.0 MeV; ¹¹⁷Sn(³He, 3n), E not given; ¹²¹Sb(d, 2n), E not given; measured Eγ, Iγ, γ(θ), γγ-coin, Eγ(t), I(ce), γ-L(p). ^117,119,121Te deduced levels, J, π, T_1/2, mixing ratios, band structure, Nilsson assignments. Enriched targets, Coriolis calculations.

doi: 10.1007/BF01408403
Citations: PlumX Metrics

1979HA47      Nucl.Phys. A329, 157 (1979)

U.Hagemann, H.-J.Keller, Ch.Protochristow, F.Stary

Collective Excitations in the ^117,119,121Te Nuclei

NUCLEAR REACTIONS ^115,117,119Sn(α, 2nγ), E=19.8-27.0 MeV; ¹¹⁷Sn(³He, 3nγ), E=32 MeV; ¹²¹Sb(d, 2nγ), E=13.5 MeV; measured σ(Eα, Eγ, θ), Eγ, Iγ, γγ-coin, αγ(t), E(ce), I(ce), linear polarization. ^117,119,121Te deduced levels, J, π, T_1/2, ICC, γ-multipolarity, δ. Enriched targets. Ge(Li), Si(Li) detectors, solenoidal electron spectrometer. Rigid triaxial rotor, soft rotor, γ-unstable potential calculations.

doi: 10.1016/0375-9474(79)90287-2
Citations: PlumX Metrics

1977HA36      Nucl.Phys. A289, 292 (1977)

U.Hagemann, H.-J.Keller, H.-F.Brinckmann

Collective Excitations in the ^123,125I Nuclei

NUCLEAR REACTIONS ^121,123Sb(α, 2nγ), Eα=19.8, 22.4, 24.4, 27.0 MeV; measured Eγ, Iγ, γ(θ), γγ-coin, γγ(t), E(ce), I(ce). ^123,125I deduced levels, J, π, T_1/2, ICC. Enriched targets. Ge(Li), Si(Li) detectors.

doi: 10.1016/0375-9474(77)90034-3
Citations: PlumX Metrics

1976FU07      Nucl.Phys. A274, 61 (1976)

L.Funke, W.D.Fromm, H.J.Keller, R.Arlt, P.M.Gopytsch

Multiplet Splitting and Isomerism in ¹⁴²Pm and ¹⁴⁴Eu

NUCLEAR REACTIONS ¹⁴²Nd, ¹⁴⁴Sm(d, 2nγ), E=13.5 MeV; measured Eγ, Iγ, γ(θ, t), γγ-coin, γγ(t), I(ce). ¹⁴²Nd, ¹⁴⁴Sm(p, nγ), E=5-10 MeV; measured Eγ, Iγ, γγ(t). ¹⁴²Pm, ¹⁴⁴Eu deduced levels, J, π, T_1/2, B(λ), ICC. Enriched targets. Ge(Li), Si(Li) detectors.

doi: 10.1016/0375-9474(76)90227-X
Citations: PlumX Metrics

1954HE82      Phys.Rev. 93, 932 (Q7) (1954)

J.Heller, H.Keller

Direct Integration of the Neutron Transport Equation.

1951BU50      Phys.Rev. 83, 62 (1951)

S.B.Burson, K.W.Blair, H.B.Keller, S.Wexler

The Radiations from Hafnium

doi: 10.1103/PhysRev.83.62
Citations: PlumX Metrics

1951CO15      Phys.Rev. 83, 681 (1951)

J.M.Cork, C.E.Branyan, A.E.Stoddard, H.B.Keller, J.M.LeBlanc, W.J.Childs

Gamma-Radiation Associated with Radium and Daughter Products

doi: 10.1103/PhysRev.83.681
Citations: PlumX Metrics

1951KE26      Phys.Rev. 83, 216A (1951)

H.B.Keller, J.M.Cork

Gamma-Rays in the Decay of the Radio-Isotopes of Cerium

doi: 10.1103/PhysRev.83.216A
Citations: PlumX Metrics

1951KE44      Phys.Rev. 84, 1079 (1951)

H.B.Keller, J.M.Cork

Gamma-Rays and Nuclear Energy Levels Associated with Radioisotopes of Europium, Erbium, and Cerium

doi: 10.1103/PhysRev.84.1079
Citations: PlumX Metrics

1950CO16      Phys.Rev. 78, 95 (1950)

J.M.Cork, H.B.Keller, W.C.Rutledge, A.E.Stoddard

A Reinterpretation of the Electron Spectra of Radioactive Ytterbium and Tantalum

doi: 10.1103/PhysRev.78.95
Citations: PlumX Metrics

1950KE48      ANL-4437, p.22 (1950)

H.B.Keller

Short-Lived γ-Ray Conversion Measurements

1950KE54      Phys.Rev. 79, 1030 (1950)

H.B.Keller, J.M.Cork

Electron Spectrum of Pa²³³

doi: 10.1103/PhysRev.79.1030
Citations: PlumX Metrics

1949CO07      Phys.Rev. 76, 575 (1949)

J.M.Cork, H.B.Keller, A.E.Stoddard

Neutron Induced Radioactivities in V⁵², Mo⁹⁹ and W¹⁸⁵

doi: 10.1103/PhysRev.76.575
Citations: PlumX Metrics

1949CO15      Phys.Rev. 76, 986 (1949)

J.M.Cork, H.B.Keller, A.E.Stoddard

Radioactivity in Holmium 166, Thulium 170, and Lutecium 177

doi: 10.1103/PhysRev.76.986
Citations: PlumX Metrics

1949CO17      Phys.Rev. 76, 1886 (1949)

J.M.Cork, H.B.Keller, W.C.Rutledge, A.E.Stoddard

Radioactive Lanthanum 140

RADIOACTIVITY ¹⁴⁰La(β^-) [from ¹³⁹La(n, γ), E thermal]; measured decay products, Eβ, Iβ; deduced conversion electron and probable γ-ray energies, partial level scheme, T_1/2. Photographic beta spectrometer.

doi: 10.1103/PhysRev.76.1886
Citations: PlumX Metrics

Note: The following list of authors and aliases matches the search parameter H.Keller: , H.B.KELLER, H.J.KELLER, H.P.KELLER