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NSR database version of April 11, 2024.

Search: Author = H.G.Clerc

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2009BO21      Int.J.Mod.Phys. E18, 873 (2009)

C.Bockstiegel, S.Steinhauser, H.-G.Clerc, A.Grewe, A.Heinz, M.De Jong, J.Muller, B.Voss, A.R.Junghans, A.Kelic, K.-H.Schmidt

Global view on fission channels

doi: 10.1142/S0218301309012987
Citations: PlumX Metrics

2008BO08      Nucl.Phys. A802, 12 (2008)

C.Bockstiegel, S.Steinhauser, K.-H.Schmidt, H.-G.Clerc, A.Grewe, A.Heinz, M.de Jong, A.R.Junghans, J.Muller, B.Voss

Nuclear-fission studies with relativistic secondary beams: Analysis of fission channels

NUCLEAR REACTIONS Pb(²³²U, F), (²³³U, F), (²³⁴U, F), (²²⁸Pa, F), (²²⁹Pa, F), (²³⁰Pa, F), (²³¹Pa, F), (²³²Pa, F), (²²²Th, F), (²²³Th, F), (²²⁴Th, F), (²²⁵Th, F), (²²⁶Th, F), (²²⁸Th, F), (²²³Ac, F), E^*≈ 11 MeV; analyzed fission fragment yields and kinetic energies; deduced fission channel parameters.

doi: 10.1016/j.nuclphysa.2008.01.012
Citations: PlumX Metrics

2003HE01      Nucl.Phys. A713, 3 (2003)

A.Heinz, K.-H.Schmidt, A.R.Junghans, P.Armbruster, J.Benlliure, C.Bockstiegel, H.-G.Clerc, A.Grewe, M.De Jong, J.Muller, M.Pfutzner, S.Steinhauser, B.Voss

Electromagnetic-induced fission of ²³⁸U projectile fragments, a test case for the production of spherical super-heavy nuclei

NUCLEAR REACTIONS Pb(²⁰⁵At, X), (²⁰⁶At, X), (²⁰⁵Rn, X), (²⁰⁶Rn, X), (²⁰⁷Rn, X), (²⁰⁸Rn, X), (²⁰⁹Rn, X), (²⁰⁸Fr, X), (²⁰⁹Fr, X), (²¹⁰Fr, X), (²¹¹Fr, X), (²¹²Fr, X), (²¹⁷Fr, X), (²¹⁸Fr, X), (²¹⁰Ra, X), (²¹¹Ra, X), (²¹²Ra, X), (²¹³Ra, X), (²¹⁴Ra, X), (²¹⁵Ra, X), (²¹⁶Ra, X), (²¹⁷Ra, X), (²¹⁸Ra, X), (²¹⁹Ra, X), (²²⁰Ra, X), (²²¹Ra, X), (²²²Ra, X), (²²³Ra, X), (²¹⁵Ac, X), (²¹⁶Ac, X), (²¹⁷Ac, X), (²¹⁸Ac, X), (²¹⁹Ac, X), (²²⁰Ac, X), (²²¹Ac, X), (²²²Ac, X), (²²³Ac, X), (²²⁴Ac, X), (²²⁵Ac, X), (²²⁶Ac, X), (²²¹Th, X), (²²²Th, X), (²²³Th, X), (²²⁴Th, X), (²²⁵Th, X), (²²⁶Th, X), (²²⁷Th, X), (²²⁸Th, X), (²²⁹Th, X), (²²⁶Pa, X), (²²⁷Pa, X), (²²⁸Pa, X), (²²⁹Pa, X), (²³⁰Pa, X), (²³¹Pa, X), (²³²Pa, X), (²³⁵Pa, X), (²³¹U, X), (²³²U, X), (²³³U, X), (²³⁴U, X), (²³⁵U, X), (²³⁶U, X), (²³⁷U, X), (²³⁸U, X), E=300, 420 MeV/nucleon; measured fission σ, fragment charge distributions; deduced reaction mechanism features. Secondary beams from 1 GeV/nucleon ²³⁸U fragmentation.

doi: 10.1016/S0375-9474(02)01296-4
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1004.

2002SC43      Eur.Phys.J. A 15, 213 (2002)

K.H.Schmidt, P.Armbruster, J.Benlliure, C.Bockstiegel, H.-G.Clerc, T.Enqvist, A.Grewe, A.Heinz, A.Junghans, J.Muller, F.Rejmund, S.Steinhauser

Fission studies with relativistic beams

doi: 10.1140/epja/i2001-10257-1
Citations: PlumX Metrics

2002SC54      J.Nucl.Radiochem.Sci. 3, No 1, 51 (2002)

K.-H.Schmidt, P.Armbruster, J.Benlliure, C.Bockstiegel, A.Botvina, H.-G.Clerc, T.Enqvist, A.Grewe, A.Heinz, A.R.Junghans, B.Jurado, J.Muller, M.V.Ricciardi, F.Rejmund, S.Steinhauser, B.Voss

Experiments on Fission Dynamics with Relativistic Heavy-ion Beams

2001SC18      Nucl.Phys. A685, 60c (2001)

K.-H.Schmidt, J.Benlliure, C.Bockstiegel, H.-G.Clerc, A.Grewe, A.Heinz, A.V.Ignatyuk, A.R.Junghans, M.de Jong, J.Muller, M.Pfutzner, F.Rejmund, S.Steinhauser, B.Voss

New Results on Structure Effects in Nuclear Fission

NUCLEAR STRUCTURE ²²⁰Ac, ²²⁸Pa, ²²⁶Th, ²³³U; analyzed fragment charge distributions, odd-even effect following electromagnetic fission.

doi: 10.1016/S0375-9474(01)00529-2
Citations: PlumX Metrics

2000SC02      Nucl.Phys. A665, 221 (2000)

K.-H.Schmidt, S.Steinhauser, C.Bockstiegel, A.Grewe, A.Heinz, A.R.Junghans, J.Benlliure, H.-G.Clerc, M.de Jong, J.Muller, M.Pfutzner, B.Voss

Relativistic Radioactive Beams: A new access to nuclear-fission studies

NUCLEAR REACTIONS Pb(²⁰⁵At, X), (²⁰⁶At, X), (²⁰⁴Rn, X), (²⁰⁵Rn, X), (²⁰⁶Rn, X), (²⁰⁷Rn, X), (²⁰⁸Rn, X), (²⁰⁹Rn, X), (²⁰⁶Fr, X), (²⁰⁷Fr, X), (²⁰⁸Fr, X), (²⁰⁹Fr, X), (²¹⁰Fr, X), (²¹¹Fr, X), (²¹²Fr, X), (²¹⁷Fr, X), (²¹⁸Fr, X), (²⁰⁹Ra, X), (²¹⁰Ra, X), (²¹¹Ra, X), (²¹²Ra, X), (²¹³Ra, X), (²¹⁴Ra, X), (²¹⁵Ra, X), (²¹⁶Ra, X)(²¹⁷Ra, X), (²¹⁸Ra, X), (²¹⁹Ra, X), (²¹²Ac, X), (²¹³Ac, X), (²¹⁴Ac, X), (²¹⁵Ac, X), (²¹⁶Ac, X), (²¹⁷Ac, X), (²¹⁸Ac, X), (²¹⁹Ac, X), (²²⁰Ac, X), (²²¹Ac, X), (²²²Ac, X), (²²³Ac, X), (²²⁴Ac, X), (²²⁵Ac, X), (²²⁶Ac, X), (²¹⁷Th, X), (²¹⁸Th, X), (²¹⁹Th, X), (²²⁰Th, X), (²²¹Th, X), (²²²Th, X), (²²³Th, X), (²²⁴Th, X), (²²⁵Th, X), (²²⁶Th, X), (²²⁷Th, X), (²²⁸Th, X), (²²⁹Th, X), (²²⁴Pa, X), (²²⁵Pa, X), (²²⁶Pa, X), (²²⁷Pa, X), (²²⁸Pa, X)(²²⁹Pa, X), (²³⁰Pa, X), (²³¹Pa, X), (²³²Pa, X), (²³⁰U, X), (²³¹U, X), (²³²U, X), (²³³U, X), (²³⁴U, X), E=high; measured fission fragments mass, charge and kinetic energy distributions following projectile electromagnetic excitation; deduced symmetric and asymmetric fission components. Comprehensive comparison with neutron-induced fission. Radioactive beams from 1 GeV/nucleon ²³⁸U fragmentation.

doi: 10.1016/S0375-9474(99)00384-X
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetG0075.

1999BE71      Pramana 53, 637 (1999)

J.Benlliure, S.Steinhauser, C.Bockstiegel, A.Grewe, H.-G.Clerc, A.Heinz, M.De Jong, A.R.Junghans, J.Muller, K.-H.Schmidt, M.Pfutzner

Fission Experiments with Secondary Beams

doi: 10.1007/s12043-999-0043-6
Citations: PlumX Metrics

1998DE06      Nucl.Phys. A628, 479 (1998)

M.de Jong, K.-H.Schmidt, B.Blank, C.Bockstiegel, T.Brohm, H.-G.Clerc, S.Czajkowski, M.Dornik, H.Geissel, A.Grewe, E.Hanelt, A.Heinz, H.Irnich, A.R.Junghans, A.Magel, G.Munzenberg, F.Nickel, M.Pfutzner, A.Piechaczek, C.Scheidenberger, W.Schwab, S.Steinhauser, K.Summerer, W.Trinder, B.Voss, C.Ziegler

Fragmentation Cross Sections of Relativistic ²⁰⁸Pb Projectiles

NUCLEAR REACTIONS Cu(²⁰⁸Pb, X), E=208 GeV; measured isotopical yields, σ for isotopes from Z=59 to Z=82; deduced 4-proton removal channel evidence. Isotopical separation. Abrasion-Ablation model, empirical parametrization EPAX.

doi: 10.1016/S0375-9474(97)00608-8
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0106.

1998JU01      Nucl.Phys. A629, 635 (1998)

A.R.Junghans, M.de Jong, H.-G.Clerc, A.V.Ignatyuk, G.A.Kudyaev, K.-H.Schmidt

Projectile-Fragment Yields as a Probe for the Collective Enhancement in the Nuclear Level Density

NUCLEAR REACTIONS, ICPND Cu(²³⁸U, X), E=950 MeV/nucleon; Cu(²⁰⁸Pb, X), E=1000 MeV/nucleon; analyzed fragments isotopic yields; deduced collective enhancement, level density effects. Implications for superheavy production discussed.

doi: 10.1016/S0375-9474(98)00658-7
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0113.

1998SC08      Nucl.Phys. A630, 208c (1998)

K.-H.Schmidt, A.R.Junghans, J.Benlliure, C.Bockstiegel, H.-G.Clerc, A.Grewe, A.Heinz, A.V.Ignatyuk, M.de Jong, G.A.Kudyaev, J.Muller, M.Pfutzner, S.Steinhauser

Influence of Shell Effects on Fission Probabilities and on Fission-Fragment Properties of ²³⁸U Projectile Fragments

NUCLEAR REACTIONS ^{221,222,223,224,225,226}Ac, ^{222,223,224,225,226,227,228,229}Th, ^{224,225,226,227,228,229,230,231,232}Pa, ^{230,231,232,233,234}U(γ, F), E not given; measured fission fragments charge distribution, kinetic energies; deduced shell effects. Fission-in-flight of secondary beam from ²³⁸U fragmentation.

doi: 10.1016/S0375-9474(97)00758-6
Citations: PlumX Metrics

1998ST10      Nucl.Phys. A634, 89 (1998)

S.Steinhauser, J.Benlliure, C.Bockstiegel, H.-G.Clerc, A.Heinz, A.Grewe, M.de Jong, A.R.Junghans, J.Muller, M.Pfutzner, K.-H.Schmidt

Odd-Even Effects Observed in the Fission of Nuclei with Unpaired Protons

NUCLEAR REACTIONS ^{231,232,233,234}U, ^{224,225,226,227,228,229,230,231,232}Pa, ^{220,222,223,224,225,226,227,228,229}Th, ^{214,215,216,217,218,219,220,221,222,223}Ac(γ, F), E not given; measured fission fragments charge distributions; deduced odd-even effects, single particle level density role. Electromagnetically induced fission of secondary radioactive beams.

doi: 10.1016/S0375-9474(98)00148-1
Citations: PlumX Metrics

1997BO17      Phys.Lett. 398, 259 (1997)

C.Bockstiegel, S.Steinhauser, J.Benlliure, H.-G.Clerc, A.Grewe, A.Heinz, M.de Jong, A.R.Junghans, J.Muller, K.-H.Schmidt

Total Kinetic Energies and Nuclear-Charge Yields in the Fission of Relativistic ²³³U Secondary Projectiles

NUCLEAR REACTIONS ²³³U(γ, F), E=420 MeV/nucleon; measured fission in flight, fragment total kinetic energies, charge yields, Secondary ²³³U beam, electromagnetic excitations in Pb target.

doi: 10.1016/S0370-2693(97)00214-1
Citations: PlumX Metrics

1997DE08      Nucl.Phys. A616, 363c (1997)

M.de Jong, C.Bockstiegel, H.-G.Clerc, A.Grewe, A.Junghans, J.Muller, S.Steinhauser, J.Benlliure, A.Heinz, K.-H.Schmidt, M.Pfutzner, A.Ignatyuk, G.Kudyaev

New Results on Low-Energy Fission with High-Energy RNB

NUCLEAR REACTIONS Pb(²³⁴U, F), E=400 MeV/nucleon; measured fragment yields vs charge following electromagnetic-induced projectile fission. Different secondary beams from projectile fragmentation in ⁹Be(²³⁸U, X) reaction.

doi: 10.1016/S0375-9474(97)00112-7
Citations: PlumX Metrics

1997GR03      Nucl.Phys. A614, 400 (1997)

A.Grewe, S.Andriamonje, C.Bockstiegel, T.Brohm, H.-G.Clerc, S.Czajkowski, E.Hanelt, A.Heinz, M.G.Itkis, M.de Jong, A.Junghans, M.S.Pravikoff, K.-H.Schmidt, W.Schwab, S.Steinhauser, K.Summerer, B.Voss

Fission Barriers from Electromagnetic Fission of 430.A MeV Radioactive Ion Beams

NUCLEAR REACTIONS ^232,233,234U, ²³²Pa, ^220,221,222Th, ^{222,221,220,219,218}Ac, ^{219,218,217,215}Ra(γ, F), E not given; measured fission σ; deduced fission barriers. Electromagnetic fission-in-flight, radioactive beams.

doi: 10.1016/S0375-9474(96)00438-1
Citations: PlumX Metrics

1997HE10      Acta Phys.Pol. B28, 315 (1997)

A.Heinz, J.Benlliure, C.Bockstiegel, H.-G.Clerc, A.Grewe, M.De Jong, A.R.Junghans, J.Muller, M.Pfutzner, K.-H.Schmidt, S.Steinhauser

Fission of Relativistic Secondary Beams

NUCLEAR REACTIONS Pb(²²⁶Th, F), (²³⁴U, F), E≈600 MeV/nucleon; measured projectile electromagnetic-induced fission fragment yields. Secondary beam from 1 GeV/nucleon ²³⁸U fragmentation.

1997JU05      Bull.Rus.Acad.Sci.Phys. 61, 1945 (1997)

A.R.Junghans, M.de Jong, H.-G.Clerc, A.V.Ignatyuk, G.A.Kudyaev, K.-H.Schmidt

Collective Enhancement and Shell Effects in the Level Density of Spherical Nuclei

NUCLEAR REACTIONS Cu(²³⁸U, X), E=950 MeV/nucleon; analyzed fragments production σ; deduced shell effects, collective enhancement of level density in fragments survival probability. Abrasion-ablation model.

1995AU05      Z.Phys. A352, 163 (1995)

T.Aumann, K.Summerer, H.Geissel, B.Blank, T.Brohm, H.-G.Clerc, S.Czajkowski, C.Donzaud, A.Grewe, E.Hanelt, A.Heinz, H.Irnich, M.de Jong, A.Junghans, J.V.Kratz, A.Magel, G.Munzenberg, F.Nickel, M.Pfutzner, A.Piechaczek, C.Rohl, C.Scheidenberger, K.-H.Schmidt, W.Schwab, S.Steinhauser, W.Trinder, B.Voss

Few-Neutron Removal from ²³⁸U at Relativistic Energies

NUCLEAR REACTIONS ²⁷Al, Cu, ²⁰⁸Pb(²³⁸U, xn), E=600, 950 MeV/nucleon; measured 1n-4n removal σ vs charge Z; deduced GDR, double GDR excitation channel dependence features.

doi: 10.1007/BF01298903
Citations: PlumX Metrics

1995BL11      Z.Phys. A352, 69 (1995)

B.Blank, S.Andriamonje, R.Del Moral, J.P.Dufour, A.Fleury, T.Josso, M.S.Pravikoff, S.Czajkowski, Z.Janas, A.Piechaczek, E.Roeckl, K.-H.Schmidt, K.Summerer, W.Trinder, M.Weber, T.Brohm, H.-G.Clerc, A.Grewe, E.Hanelt, A.Heinz, A.Junghans, C.Rohl, S.Steinhauser, B.Voss, M.Pfutzner

Total Charge-Changing Cross Sections for Neutron-Deficient Isotopes from ⁵⁸Ni Fragmentation

NUCLEAR REACTIONS Pb, C, ¹H(⁵²Ni, X), (⁵³Ni, X), (⁵⁴Ni, X), (⁵⁵Ni, X), (⁵⁶Ni, X), (⁵⁷Ni, X), (⁴⁸Fe, X), (⁴⁹Fe, X), (⁵⁰Fe, X), (⁵¹Fe, X), (⁵²Fe, X), (⁵³Fe, X), (⁴⁴Cr, X), (⁴⁵Cr, X), (⁴⁶Cr, X), (⁴⁷Cr, X), (⁴⁸Cr, X), (⁴⁹Cr, X), (⁵⁰Cr, X), (⁵¹Co, X), (⁵²Co, X), (⁵³Co, X), (⁵⁴Co, X), (⁵⁵Co, X), (⁴⁶Mn, X), (⁴⁷Mn, X), (⁴⁸Mn, X), (⁴⁹Mn, X), (⁵⁰Mn, X), (⁴³V, X), (⁴⁴V, X), (⁴⁵V, X), (⁴⁶V, X), (⁴⁷V, X), E=440 MeV/nucleon; measured total σ for charge changing reaction. Secondary radiactive beams from ⁹Be(⁵⁸Ni, X), ²⁷Al target also used for certain reactions, CH₂ target.

doi: 10.1007/BF01292761
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0945.

1995BL12      Z.Phys. A352, 77 (1995)

B.Blank, S.Andriamonje, R.Del Moral, J.P.Dufour, A.Fleury, T.Josso, M.S.Pravikoff, S.Czajkowski, Z.Janas, A.Piechaczek, E.Roeckl, K.-H.Schmidt, K.Summerer, W.Trinder, M.Weber, T.Brohm, H.-G.Clerc, A.Grewe, E.Hanelt, A.Heinz, A.Junghans, C.Rohl, S.Steinhauser, B.Voss, M.Pfutzner

Partial Charge-Changing Cross Sections for Neutron-Deficient Isotopes from ⁵⁸Ni Fragmentation

NUCLEAR REACTIONS C, ¹H(⁴⁸Fe, X), C, ¹H, Pb(⁴⁹Fe, X), (⁵⁰Fe, X), (⁵¹Fe, X), (⁵²Fe, X), (⁵³Fe, X), C, ¹H, ²⁷Al, Pb(⁵⁷Ni, X), C, ¹H(⁴⁶Mn, X), C, ¹H, Pb(⁴⁷Mn, X), (⁴⁸Mn, X), (⁴⁹Mn, X), (⁵⁰Mn, X), (⁵¹Mn, X), E=520 MeV/nucleon; measured fragments relative production yield vs charge loss, charge changing reactions. Geometrical abrasion-ablation model. Radioactive secondary beams from ⁹Be(⁵⁸Ni, X) reaction.

doi: 10.1007/BF01292762
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0952.

1995BR07      Nucl.Phys. A585, 565 (1995)

T.Brohm, H.-G.Clerc, M.Dornik, M.Fauerbach, J.-J.Gaimard, A.Grewe, E.Hanelt, B.Voss, Ch.Ziegler, B.Blank, R.Del Moral, J.-P.Dufour, L.Faux, C.Marchand, M.S.Pravikoff, K.-H.Schmidt, H.Geissel, G.Munzenberg, F.Nickel, M.Pfutzner, E.Roeckl, I.Schall, K.Summerer, D.J.Vieira, M.Weber

Total Charge-Changing Cross Sections of Stable and Neutron-Deficient Secondary Projectiles Around A = 60

NUCLEAR REACTIONS C, ¹H(⁵⁴Fe, X), (⁵⁵Fe, X), (⁵⁶Fe, X), E=505-742 MeV/nucleon; measured charge changing σ(ΔZ). Other secondary beams also investigated. Secondary beams from ⁹Be(⁸⁶Kr, X), E=1 GeV/nucleon. Statistical abrasion model analysis.

doi: 10.1016/0375-9474(94)00507-J
Citations: PlumX Metrics

1995CL04      Nucl.Phys. A590, 785 (1995)

H.-G.Clerc, M.de Jong, T.Brohm, M.Dornik, A.Grewe, E.Hanelt, A.Heinz, A.Junghans, C.Rohl, S.Steinhauser, B.Voss, C.Ziegler, K.-H.Schmidt, S.Czajkowski, H.Geissel, H.Irnich, A.Magel, G.Munzenberg, F.Nickel, A.Piechaczek, C.Scheidenberger, W.Schwab, K.Summerer, W.Trinder, M.Pfutzner, B.Blank, A.Ignatyuk, G.Kudyaev

The Influence of Fission on the Fragmentation of Relativistic ²⁰⁸Pb and ²³⁸U Projectiles in Peripheral Collisions

NUCLEAR REACTIONS Cu(²⁰⁸Pb, X), E=208 GeV; Cu(²³⁸U, X), E=226 GeV; measured isotopic yields, σ for Pb, Tl, U, Pa isotopes. Isotopical separation. Abrasion-ablation model, fission.

doi: 10.1016/0375-9474(95)00215-M
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0956.

1995IG04      Nucl.Phys. A593, 519 (1995)

A.V.Ignatyuk, G.A.Kudyaev, A.Junghans, M.de Jong, H.-G.Clerc, K.-H.Schmidt

Analysis of Dissipative Effects in Nuclear Fission Observed in the Fragmentation of ²³⁸U Projectiles

NUCLEAR REACTIONS Cu(²⁰⁸Pb, X), E=1 GeV/nucleon; Cu(²³⁸U, X), E=950 MeV/nucleon; analyzed near projectile-like isotopes production σ. Pb(²³⁸U, F), E=300 MeV/nucleon; analyzed fission σ(E); deduced nuclear viscosity, dissipative effects role. Abrasion-ablation model.

doi: 10.1016/0375-9474(95)00347-4
Citations: PlumX Metrics

1995VO16      Nucl.Instrum.Methods Phys.Res. A364, 150 (1995)

B.Voss, T.Brohm, H.-G.Clerc, A.Grewe, E.Hanelt, A.Heinz, M.de Jong, A.Junghans, W.Morawek, C.Rohl, S.Steinhauser, C.Ziegler, K.-H.Schmidt, K.-H.Behr, H.Geissel, G.Munzenberg, F.Nickel, C.Scheidenberger, K.Summerer, A.Magel, M.Pfutzner

The Scintillation-Detector Equipment of the GSI Projectile-Fragment Separator

NUCLEAR REACTIONS Cu(²³⁸U, X), E=0.95 GeV/nucleon; Cu(¹⁹⁷Au, X), 1 GeV/nucleon; measured projectile fragmentation spectra, separation; deduced scintillator detectors mass resolving power.

doi: 10.1016/0168-9002(95)00294-4
Citations: PlumX Metrics

1994FA06      Phys.Rev. C49, 2440 (1994)

L.Faux, M.S.Pravikoff, S.Andriamonje, B.Blank, R.Del Moral, J.-P.Dufour, A.Fleury, C.Marchand, K.-H.Schmidt, K.Summerer, T.Brohm, H.-G.Clerc, A.Grewe, E.Hanelt, B.Voss, C.Ziegler

First Observation of the β-Delayed Proton Decay of ⁵²Ni

RADIOACTIVITY ⁵²Ni(β⁺p) [from Ni(⁵⁸Ni, X), E=68 MeV/nucleon]; measured β-delayed Ep, Ip, T_1/2. ⁵²Co deduced mass excess for IAS, levels proton-decay branching ratios.

doi: 10.1103/PhysRevC.49.2440
Citations: PlumX Metrics

1994MA67      Nucl.Instrum.Methods Phys.Res. B94, 548 (1994)

A.Magel, H.Geissel, B.Voss, P.Armbruster, T.Aumann, M.Bernas, B.Blank, T.Brohm, H.-G.Clerc, S.Czajkowski, H.Folger, A.Grewe, E.Hanelt, A.Heinz, H.Irnich, M.de Jong, A.Junghans, F.Nickel, M.Pfutzner, A.Piechaczek, C.Rohl, C.Scheidenberger, K.-H.Schmidt, W.Schwab, S.Steinhauser, K.Summerer, W.Trinder, H.Wollnik, G.Munzenberg

First Spatial Isotopic Separation of Relativistic Uranium Projectile Fragments

NUCLEAR REACTIONS Cu(²³⁸U, X), E=950 MeV/nucleon; measured fragment position distributions; deduced ²³⁶U separation, other characteristics of fragment separator.

doi: 10.1016/0168-583X(94)95436-4
Citations: PlumX Metrics

1994SC17      Phys.Lett. 325B, 313 (1994)

K.-H.Schmidt, A.Heinz, H.-G.Clerc, B.Blank, T.Brohm, S.Czajkowski, C.Donzaud, H.Geissel, E.Hanelt, H.Irnich, M.C.Itkis, M.de Jong, A.Junghans, A.Magel, G.Munzenberg, F.Nickel, M.Pfutzner, A.Piechaczek, C.Rohl, C.Scheidenberger, W.Schwab, S.Steinhauser, K.Summerer, W.Trinder, B.Voss, S.V.Zhdanov

Low-Energy Fission Studies of Neutron-Deficient Projectile Fragments of ²³⁸U

NUCLEAR REACTIONS C, ¹H, ²⁰⁸Pb(²³⁸U, F), E=relativistic; measured projectile fragmentation followed by residue fission fragment charge distribution. Neutron-deficient actinium, Th, U, protoactinium isotopes.

doi: 10.1016/0370-2693(94)90017-5
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1994SC30      Nucl.Phys. A577, 674 (1994)

W.Schwab, H.-G.Clerc, M.Mutterer, J.P.Theobald, H.Faust

Cold Fission of ²³³U(n(th), f)

NUCLEAR REACTIONS ²³³U(n, F), E=thermal; measured light fission fragment nuclide yields at high kinetic energies; deduced yields at constant total excitation energy, ground-state yields, influence of level densities and scission barrier pentrabilities.

doi: 10.1016/0375-9474(94)90939-3
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1993BL04      Nucl.Phys. A555, 408 (1993)

B.Blank, J.-J.Gaimard, H.Geissel, K.-H.Schmidt, H.Stelzer, K.Summerer, D.Bazin, R.Del Moral, J.P.Dufour, A.Fleury, F.Hubert, H.-G.Clerc, M.Steiner

Total and 2n-Removal Cross Sections of the Neutron-Rich Isotopes ^8,9,11Li

NUCLEAR REACTIONS C, Pb(⁸Li, X), C, ²⁷Al, Cu, Sn, Pb(⁹Li, X), C, Sn, Pb(¹¹Li, X), E=80 MeV/nucleon; measured interaction σ vs target mass; deduced nuclear, electro-magnetic dissociation σ.

doi: 10.1016/0375-9474(93)90294-8
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1993HA28      Z.Phys. A346, 43 (1993)

E.Hanelt, A.Grewe, K.-H.Schmidt, T.Brohm, H.-G.Clerc, M.Dornik, M.Fauerbach, H.Geissel, A.Magel, G.Munzenberg, F.Nickel, M.Pfutzner, C.Scheidenberger, M.Steiner, K.Summerer, B.Voss, M.Weber, J.Weckenmann, C.Ziegler

Momentum Distributions of Projectile Fragments Produced in the Cold and Hot Fragmentation of Relativistic ¹³⁶Xe and ¹⁹⁷Au Projectiles

NUCLEAR REACTIONS ⁹Be(¹³⁶Xe, X), E=0.8 GeV/nucleon; ²⁷Al(¹⁹⁷Au, X), E=1 GeV/nucleon; measured projectile fragments longitudinal momentum distributions; deduced fragmentation process dependence. Model comparison.

doi: 10.1007/BF01290780
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1993QU03      Z.Phys. A346, 119 (1993)

A.B.Quint, W.Reisdorf, K.-H.Schmidt, P.Armbruster, F.P.Hessberger, S.Hofmann, J.Keller, G.Munzenberg, H.Stelzer, H.-G.Clerc, W.Morawek, C.-C.Sahm

Investigation of the Fusion of Heavy Nearly Symmetric Systems

NUCLEAR REACTIONS, ICPND ^90,92,96Zr, ^92,96,100Mo, ¹⁰⁴Ru, ¹¹⁰Pd(¹⁰⁰Mo, X), E(cm)=3-5 MeV/nucleon; ⁹⁶Zr(⁹⁶Zr, X), E(cm)=3-5 MeV/nucleon; measured evaporation residue production σ(E), Eα, Iα; deduced evidence for ¹⁹¹Po. Other reactions discussed.

RADIOACTIVITY ¹⁹¹Po(α) [from ¹⁰⁰Mo(¹⁰⁰Mo, xn), E=3-5 MeV/nucleon]; measured Eα, Iα; deduced T_1/2, Qα.

doi: 10.1007/BF01294627
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1992BL10      Z.Phys. A343, 375 (1992)

B.Blank, J.-J.Gaimard, H.Geissel, K.-H.Schmidt, H.Stelzer, K.Summerer, D.Bazin, R.Del Moral, J.P.Dufour, A.Fleury, F.Hubert, H.-G.Clerc, M.Steiner

Charge-Changing Cross Sections of the Neutron-Rich Isotopes ^8,9,11Li

NUCLEAR REACTIONS C, Pb(⁸Li, X), C, ²⁷Al, Cu, Sn, Pb(⁹Li, X), C, Sn, Pb(¹¹Li, X), E ≈ 80 MeV/nucleon; measured charge changing σ. ^8,9,11Li deduced proton density distribution features.

doi: 10.1007/BF01289813
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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
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1991BL10      Z.Phys. A340, 41 (1991)

B.Blank, J.-J.Gaimard, H.Geissel, K.-H.Schmidt, H.Stelzer, K.Summerer, D.Bazin, R.Del Moral, J.P.Dufour, A.Fleury, F.Hubert, H.-G.Clerc, M.Steiner

Reaction Cross Section Measurements of the Neutron-Rich Isotopes ^8,9,11Li at 80 MeV/nucleon

NUCLEAR REACTIONS C, Pb(⁸Li, X), C, ²⁷Al, Cu, Sn, Pb(⁹Li, X), C, Sn, Pb(¹¹Li, X), E=80 MeV/nucleon; measured total interaction σ; deduced σ. ^8,9,11Li deduced radii, electromagnetic dissociation σ.

doi: 10.1007/BF01284479
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1991BR17      Z.Phys. A339, 495 (1991)

T.Brohm, H.-G.Clerc, U.Gollerthan, W.Schwab, K.-H.Schmidt, R.S.Simon

Total Decay-Energy Measurement in the Fusion Reactions ⁹⁰Zr(⁸⁹Y, p)¹⁷⁸Pt and ⁹⁰Zr(⁸⁹Y, α)¹⁷⁵Ir

NUCLEAR REACTIONS ⁸⁹Y(⁹⁰Zr, p), (⁹⁰Zr, α), E not given; measured γ total energy spectra, particle spectra. ¹⁷⁸Pt, ¹⁷⁵Ir deduced mass excess.

doi: 10.1007/BF01288433
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1991GO03      Z.Phys. A338, 51 (1991)

U.Gollerthan, T.Brohm, H.-G.Clerc, E.Hanelt, M.Horz, W.Morawek, W.Schwab, K.-H.Schmidt, F.P.Hessberger, G.Munzenberg, V.Ninov, R.S.Simon, J.P.Dufour, M.Montoya

Decay of the Compound Nucleus ¹⁷⁹Au Formed in the Cold Fusion Reaction ⁹⁰Zr + ⁸⁹Y

NUCLEAR REACTIONS ⁸⁹Y(⁹⁰Zr, X), E=4.02 MeV/nucleon; measured (light charged particle)(evaporation residue)-coin, σ(Ep, θp), σ(Eα, θα), γ(light charged particle)-coin; deduced σ, different channels. Cold fusion, statistical model analysis.

doi: 10.1007/BF01279114
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1991MO29      Z.Phys. A341, 75 (1991)

W.Morawek, D.Ackermann, T.Brohm, H.-G.Clerc, U.Gollerthan, E.Hanelt, M.Horz, W.Schwab, B.Voss, K.-H.Schmidt, F.P.Hessberger

Breakdown of the Compound-Nucleus Model in the Fusion-Evaporation Process for ¹¹⁰Pd + ¹¹⁰Pd

NUCLEAR REACTIONS, ICPND ¹⁰⁰Mo, ¹⁰⁴Ru, ¹¹⁰Pd(¹¹⁰Pd, X), E(cm)=200-280 MeV; measured evaporation residue production σ(E). ¹¹⁰Pd(¹¹⁰Pd, X), E=267 MeV; measured Eα, Iα following evaporation residue decay; deduced reaction mechanism.

doi: 10.1007/BF01281275
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1988GO03      Phys.Lett. 201B, 206 (1988)

U.Gollerthan, H.-G.Clerc, E.Hanelt, W.Morawek, V.Ninov, W.Schwab, K.-H.Schmidt, F.-P.Hessberger, G.Munzenberg, R.S.Simon, J.-P.Dufour, M.Montoya

Observation of Enhanced Low-Energy Charged-Particle Emission in the Cold Fusion Reaction ⁹⁰Zr + ⁸⁹Y

NUCLEAR REACTIONS ⁸⁹Y(⁹⁰Zr, pα), E=362 MeV; measured σ(Ep, θp), σ(Eα, θα), p(residue)-, α(residue)-coin. Detector telescopes. Statistical model calculations.

doi: 10.1016/0370-2693(88)90213-4
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1988QU05      Nucl.Phys. A487, 1 (1988)

U.Quade, K.Rudolph, S.Skorka, P.Armbruster, H.-G.Clerc, W.Lang, M.Mutterer, C.Schmitt, J.P.Theobald, F.Gonnenwein, J.Pannicke, H.Schrader, G.Siegert, D.Engelhardt

Nuclide Yields of Light Fission Products from Thermal-Neutron Induced Fission of ²³³U at Differenct Kinetic Energies

NUCLEAR REACTIONS, Fission ²³³U(n, F), E=thermal; measured fission fragment mass, nuclear charge distributions vs kinetic energy; deduced independent, fractional independent yields, odd-even effects, average kinetic energies of the elements, reaction Q.

doi: 10.1016/0375-9474(88)90127-3
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1986CL02      Nucl.Phys. A452, 277 (1986)

H.-G.Clerc, W.Lang, M.Mutterer, C.Schmitt, J.P.Theobald, U.Quade, K.Rudolph, P.Armbruster, F.Gonnenwein, H.Schrader, D.Engelhardt

Cold Fragmentation in Thermal-Neutron-Induced Fission of ²³³U and ²³⁵U

NUCLEAR REACTIONS ^233,235U(n, F), E=thermal; measured light fission product mass yields at high kinetic energies; deduced influence of nucleon pairing, reaction Q.

doi: 10.1016/0375-9474(86)90310-6
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1986KE03      Nucl.Phys. A452, 173 (1986)

J.G.Keller, K.-H.Schmidt, F.P.Hessberger, G.Munzenberg, W.Reisdorf, H.-G.Clerc, C.-C.Sahm

Cold Fusion in Symmetric ⁹⁰Zr-Induced Reactions

RADIOACTIVITY ^{172,173,174,175,176,177}Ir, ¹⁷⁵Pt, ^178,179,180Au, ¹⁸¹Hg, ¹⁸²Tl, ^181,182,183Pb(α); measured E(α); deduced α-branching ratios.

NUCLEAR REACTIONS ⁸⁹Y, ^90,92,96Zr, ⁹⁴Mo(⁹⁰Zr, xn), E=321-390 MeV; measured evaporation residue σ above, around, below the fusion barriers; deduced fusion probabilities, barrier distributions. ¹⁷⁹Au, ^180,182Hg, ¹⁸⁴Pb deduced γ-transitions. Enriched targets, velocity filter, parallel-plate avalanche counter, surface-barrier detectors.

doi: 10.1016/0375-9474(86)90514-2
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1986SC07      Phys.Lett. 168B, 39 (1986)

K.-H.Schmidt, R.S.Simon, J.-G.Keller, F.P.Hessberger, G.Munzenberg, B.Quint, H.-G.Clerc, W.Schwab, U.Gollerthan, C.-C.Sahm

Gamma-Spectroscopic Investigations in the Radiative Fusion Reaction ⁹⁰Zr + ⁹⁰Zr

NUCLEAR REACTIONS ⁹⁰Zr(⁹⁰Zr, X), E=358 MeV; measured radiative fusion Eγ, Iγ; deduced reaction mechanism. ¹⁸⁰Hg deduced statistical deexcitation, E1 transition strength.

doi: 10.1016/0370-2693(86)91456-5
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1986SI19      Z.Phys. A325, 197 (1986)

R.S.Simon, K.-H.Schmidt, F.P.Hessberger, S.Hlavac, M.Honusek, G.Munzenberg, H.-G.Clerc, U.Gollerthan, W.Schwab

Evidence for Nuclear Shape Coexistence in ¹⁸⁰Hg

NUCLEAR REACTIONS ⁹⁰Zr(⁹⁰Zr, X), E=358 MeV; measured Eγ, Iγ following fusion, γ(θ). ¹⁸⁰Hg deduced levels, J, π, rotational band structure.

1985SA21      Nucl.Phys. A441, 316 (1985)

C.-C.Sahm, H.-G.Clerc, K.-H.Schmidt, W.Residorf, P.Armbruster, F.P.Hessberger, J.G.Keller, G.Munzenberg, D.Vermeulen

Fusion Probability of Symmetric Heavy, Nuclear Systems Determined from Evaporation-Residue Cross Sections

NUCLEAR REACTIONS ^172,173,176Yb(⁴⁸Ca, X), E=196-225 MeV; ^121,123Sb(⁸⁶Kr, X), E=337-389 MeV; ^90,92,94,96Zr(¹²⁴Sn, X), E=472-569 MeV; measured evaporation residue σ; deduced fusion probabilities. Enriched targets, velocity filter, secondary electron detector, surface-barrier detectors, delayed coincidences.

doi: 10.1016/0375-9474(85)90036-3
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1984CL03      Nucl.Phys. A419, 571 (1984)

H.-G.Clerc, J.G.Keller, C.-C.Sahm, K.-H.Schmidt, H.Schulte, D.Vermeulen

Fusion-Fission and Neutron-Evaporation-Residue Cross Sections in ⁴⁰Ar- and ⁵⁰Ti- Induced Fusion Reactions

NUCLEAR REACTIONS ¹⁶⁵Ho, ¹⁶⁹Tm, ¹⁷⁴Yb, ¹⁷⁵Lu, ^{176,177,178,179,180}Hf, ¹⁸¹Ta, ²⁰⁸Pb(⁴⁰Ar, X), E=170-208 MeV; ²⁰⁸Pb, ²⁰⁹Bi(⁵⁰Ti, X), E=235-260 MeV; measured fusion σ(E), neutron evaporation residue σ(E); deduced fusion barriers, fusion radii. Enriched targets.

doi: 10.1016/0375-9474(84)90634-1
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1984KE03      Phys.Rev. C29, 1569 (1984)

J.G.Keller, K.-H.Schmidt, H.Stelzer, W.Reisdorf, Y.K.Agarwal, F.P.Hessberger, G.Munzenberg, H.-G.Clerc, C.-C.Sahm

Fusion of the System ⁹⁰Zr + ⁹⁰Zr

NUCLEAR REACTIONS, ICPND ⁹⁰Zr(⁹⁰Zr, X), E(cm) ≈ 172-195 MeV; measured compound residue σ(E); deduced fusion barrier, fluctuations.

doi: 10.1103/PhysRevC.29.1569
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1984SA24      Z.Phys. A319, 113 (1984)

C.-C.Sahm, H.-G.Clerc, K.-H.Schmidt, W.Reisdorf, P.Armbruster, F.P.Hessberger, J.G.Keller, G.Munzenberg, D.Vermeulen

Hindrance of Fusion in Central Collisions of Heavy, Symmetric Nuclear Systems

NUCLEAR REACTIONS ^92,94,96Zr(¹²⁴Sn, xn), (⁸⁶Kr, xn), E not given; measured evaporation σ(E), fusion probability vs residual excitation; deduced fusion hindrance in symmetric system central collisions.

doi: 10.1007/BF01415623
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1984SC13      Z.Phys. A316, 19 (1984)

K.-H.Schmidt, C.-C.Sahm, K.Pielenz, H.-G.Clerc

Some Remarks on the Error Analysis in the Case of Poor Statistics

NUCLEAR REACTIONS ⁹⁶Zr(¹²⁴Sn, X), E=570 MeV; measured evaporation residue decay Eα, Iα; deduced evidence for ²¹⁴Th. Correlation techniques, development of critical analysis.

RADIOACTIVITY ²¹⁴Th(α) [from ⁹⁶Zr(¹²⁴Sn, X), E=570 MeV]; measured Eα, T_1/2. Correlation techniques, development of critical error analysis.

doi: 10.1007/BF01415656
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1984SC38      Nucl.Phys. A430, 21 (1984)

C.Schmitt, A.Guessous, J.P.Bocquet, H.-G.Clerc, R.Brissot, D.Engelhardt, H.R.Faust, F.Gonnenwein, M.Mutterer, H.Nifenecker, J.Pannicke, Ch.Ristori, J.P.Theobald

Fission Yields at Different Fission-Product Kinetic Energies for Thermal-Neutron-Induced Fission of ²³⁹Pu

NUCLEAR REACTIONS ²³⁹Pu(n, F), E=thermal; measured fission fragment mass, charge distribution; deduced fragment fractional yields, odd-even effects, isobar average kinetic energies.

doi: 10.1016/0375-9474(84)90191-X
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1984VE09      Z.Phys. A318, 157 (1984)

D.Vermeulen, H.-G.Clerc, C.-C.Sahm, K.-H.Schmidt, J.G.Keller, G.Munzenberg, W.Reisdorf

Cross Sections for Evaporation Residue Production near the N = 126 Shell Closure

NUCLEAR REACTIONS ¹⁶⁵Ho, ¹⁶⁹Tm, ¹⁷⁵Lu, ^171,174Yb, ¹⁸¹Ta, ^{177,178,179,180,176}Hf(⁴⁰Ar, X), E=192 MeV; measured evaporation residue production σ, fragment α-decay, Eα, Iα; deduced low shell stabilizing influence, superheavy production optimum conditions.

doi: 10.1007/BF01413464
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1983HI08      Nucl.Phys. A404, 51 (1983)

R.Hingmann, H.-G.Clerc, C.-C.Sahm, D.Vermeulen, K.-H.Schmidt, J.G.Keller

Evidence for an Isomeric State in ²¹⁶Th

NUCLEAR REACTIONS ¹⁸⁰Hf(⁴⁰Ar, 4n), (⁴⁰Ar, 5n), E=165-200 MeV; measured residuals production σ(E). ¹⁸⁰Hf(⁴⁰Ar, X), E=180 MeV; measured Eα, Iα from evaporation residue decay; deduced evidence for ^216mTh.

RADIOACTIVITY ^216mTh [from ^178,179,180Hf(⁴⁰Ar, xn), E=165-200 MeV]; measured Eα, T_1/2; deduced Iα, Iγ. Comparison with ^217mPa decay.

doi: 10.1016/0375-9474(83)90413-X
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1983HI12      Z.Phys. A313, 141 (1983)

R.Hingmann, H.-G.Clerc, C.-C.Sahm, D.Vermeulen, K.-H.Schmidt, J.G.Keller

Identification of ²²²U and ²²¹Pa by α-Correlation Chains

RADIOACTIVITY ²²²U(α) [from W(⁴⁰Ar, 4n), E=4.5 MeV/nucleon]; ²²¹Pa(α) [from ¹⁸⁶W(⁴⁰Ar, 4np), E=4.72 MeV/nucleon]; measured αα-correlation; deduced T_1/2.

NUCLEAR REACTIONS W(⁴⁰Ar, 4n), E=4.5 MeV/nucleon; ¹⁸⁶W(⁴⁰Ar, 4np), E=4.72 MeV/nucleon; measured αα-correlation; deduced evidence for ²²²U, ²²¹Pa.

doi: 10.1007/BF02115854
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1983KE01      Z.Phys. A311, 243 (1983)

J.G.Keller, H.-G.Clerc, K.-H.Schmidt, Y.K.Agarwal, F.P.Hessberger, R.Hingmann, G.Munzenberg, W.Reisdorf, C.C.Sahm

Observation of Radiative Capture in the Reaction ⁹⁰Zr + ⁹⁰Zr

NUCLEAR REACTIONS ⁹⁰Zr(⁹⁰Zr, X), E=351, 360 MeV; measured Eα, Iα following evaporation residue decay; deduced heavy system radiative capture.

doi: 10.1007/BF01415109
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1982HI14      Z.Phys. A309, 27 (1982)

R.Hingmann, H.-G.Clerc, C.-C.Sahm, D.Vermeulen, K.-H.Schmidt, J.G.Keller

Alpha Decay Properties of ¹⁹⁹Rn and ^199mRn

NUCLEAR REACTIONS ⁸⁶Kr(¹¹⁶Sn, X), (¹¹⁶Sn, 2n), (¹¹⁶Sn, 3n), E=345-385 MeV; measured residual production σ vs E, (evaporation residue)(α)(t), αα(t). ^199m,199Rn levels deduced α-decay T_1/2, decay characteristics, possible J, π. Correlation analysis, shell model.

doi: 10.1007/BF01420147
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1981BA08      Phys.Rev.Lett. 46, 1068 (1981)

B.B.Back, H.-G.Clerc, R.R.Betts, B.G.Glagola, B.D.Wilkins

Observation of Anisotropy in the Fission Decay of Nuclei with Vanishing Fission Barrier

RADIOACTIVITY ²²⁹Am, ²⁶⁴Sg, ²⁷⁰Hs, ²⁸⁰Cn(SF) [from ¹⁹⁷Au, ²³²Th, ²³⁸U, ²⁴⁸Cm(³²S, X), E=218 MeV;]; measured (fragment)(fragment)(θ); deduced anisotropy, deviation from rotating liquid drop model. ²⁶⁴Sg, ²⁷⁰Hs, ²⁸⁰Cn deduced deformation. Statistical model.

doi: 10.1103/PhysRevLett.46.1068
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1981BE04      Phys.Rev.Lett. 46, 313 (1981)

R.R.Betts, H.-G.Clerc, B.B.Back, I.Ahmad, K.L.Wolf, B.G.Glagola

Selectivity in Two-Particle Exclusive Heavy-Ion Reactions

NUCLEAR REACTIONS ²⁸Si(²⁸Si, X), E=85-150 MeV; measured (fragment)(fragment)-coin; deduced selective excitation of fragment yrast states.

doi: 10.1103/PhysRevLett.46.313
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1981SC14      Z.Phys. A301, 21 (1981)

K.-H.Schmidt, P.Armbruster, F.P.Hessberger, G.Munzenberg, W.Reisdorf, C.-C.Sahm, D.Vermeulen, H.-G.Clerc, J.Keller, H.Schulte

The Barrier for Compound-Nucleus Formation in the Nearly Symmetric Systems ⁸⁶Kr + ¹²³Sb → ²⁰⁹Fr and ¹²⁴Sn + ⁹⁴Zr → ²¹⁸Th

NUCLEAR REACTIONS ¹²³Sb(⁸⁶Kr, xn), E(cm)=197.5-230 MeV; ⁹⁴Zr(¹²⁴Sn, xn), E(cm)=210-245 MeV; measured σ(fusion, E); ⁹⁴Zr(¹²⁴Sn, xn), E(cm)=207.5-245 MeV; measured σ(evaporation residue vs E), σ(fusion, E); deduced compound nucleus formation barrier. Velocity filter, ΔE-E detectors, α identification technique, enriched target.

doi: 10.1007/BF01412459
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1980LA17      Nucl.Phys. A345, 34 (1980)

W.Lang, H.-G.Clerc, H.Wohlfarth, H.Schrader, K.-H.Schmidt

Nuclear Charge and Mass Yields for ²³⁵U(n(th), F) as a Function of the Kinetic Energy of the Fission Products

NUCLEAR REACTIONS, Fission ²³⁵U(n, F), E=thermal; measured fragment mass, nuclear charge distributions; deduced fractional independent yields, zero point oscillations, odd-even effect, total kinetic energy, isobar excitation energy.

doi: 10.1016/0375-9474(80)90411-X
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1980SA24      Z.Phys. A297, 241 (1980)

C.-C.Sahm, H.Schulte, D.Vermeulen, J.Keller, H.-G.Clerc, K.-H.Schmidt, F.Hessberger, G.Munzenberg

The Influence of the Fission Barrier on the Mass Distribution in Reactions with Symmetric Fragmentation

NUCLEAR REACTIONS, Fission ¹⁴⁴Sm, ¹⁷⁶Hf(⁴⁰Ar, X), (⁴⁰Ar, F), E=190 MeV; ²⁰⁸Pb(⁴⁰Ar, X), (⁴⁰Ar, F), E=208 MeV; ¹⁶⁵Ho, ¹⁷⁵Lu, ¹⁸¹Ta(⁴⁰Ar, X), (⁴⁰Ar, F), E not given; measured σ(fragment mass, E). ¹⁸⁴Hg, ²⁰⁵At, ²¹⁵Ac, ²¹⁶Th, ²²¹Pa, ²⁴⁸Fm deduced symmetric fission fragmentation contribution, fission barrier influence.

doi: 10.1007/BF01892804
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1980VE01      Z.Phys. A294, 149 (1980)

D.Vermeulen, H.-G.Clerc, W.Lang, K.-H.Schmidt, G.Munzenberg

²¹²Th, a New Isotope

RADIOACTIVITY ^212,213,214Th; measured Eα, T_1/2, Qα.

NUCLEAR REACTIONS ¹⁷⁶Hf(⁴⁰Ar, xn), E=170-200 MeV; measured production σ(E) for ^212,213,214Th.

doi: 10.1007/BF01435049
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1979SC09      Nucl.Phys. A318, 253 (1979)

K.-H.Schmidt, W.Faust, G.Munzenberg, H.-G.Clerc, W.Lang, K.Pielenz, D.Vermeulen, H.Wohlfarth, H.Ewald, K.Guttner

Alpha Decay Properties of New Protactinium Isotopes

RADIOACTIVITY ^{215,216,217,218,222}Pa; measured Eα, T_1/2; deduced variation of shell strengths.

NUCLEAR REACTIONS ¹⁸¹Ta(⁴⁰Ar, xn), ¹⁸⁴W(⁴⁰Ar, pn), E=165-202 MeV; measured production σ. Velocity filter, secondary electron-surface barrier detectors. Delayed coin.

doi: 10.1016/0375-9474(79)90482-2
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1978SC04      Z.Phys. A284, 431 (1978)

K.-H.Schmidt, P.Armbruster, W.Faust, S.Hofmann, G.Munzenberg, W.Reisdorf, H.-G.Clerc, W.Lang, D.Vermeulen, H.Ewald, K.Guttner

Dependence of the Evaporation Residue Production on the Excitation Energy of the Compound Nucleus in the Reaction ⁴⁰Ar + ¹⁶⁴Dy

NUCLEAR REACTIONS ¹⁶⁴Dy(⁴⁰Ar, xn); measured σ(E) for X=4-8.

doi: 10.1007/BF01422114
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1978WO10      Z.Phys. A287, 153 (1978)

H.Wohlfarth, W.Lang, H.Dann, H.-G.Clerc, K.-H.Schmidt, H.Schrader

The Ionic Charge Distribution of Fission Products and the Influence of Internal Conversion on Highly Preionized Heavy Ions

NUCLEAR REACTIONS ²³⁵U(n, F), E=th; measured σ(A, Z), ce/fragment for fragment A=85-103.

doi: 10.1007/BF01408085
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1976TU03      Phys.Lett. 63B, 283 (1976)

D.Turck, H.-G.Clerc, H.Trager

Experimental Determination of the Fission Barriers of Lead Isotopes

NUCLEAR REACTIONS ^{204,206,207,208}Pb(e, F), E=35-50 MeV; measured σ. ^{204,206,207,208}Pb deduced fission barriers.

doi: 10.1016/0370-2693(76)90264-1
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1976WO09      Phys.Lett. 63B, 275 (1976)

H.Wohlfarth, W.Lang, H.-G.Clerc, H.Schrader, K.-H.Schmidt, H.Dann

Mass Distributions of ²³⁵U(N(th), F) Fission Products as a Function of Their Kinetic Energy

NUCLEAR REACTIONS ²³⁵U(n, F), E=th; measured σ(A).

doi: 10.1016/0370-2693(76)90262-8
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset21593.

1975CL02      Nucl.Phys. A247, 74 (1975)

H.-G.Clerc, K.-H.Schmidt, H.Wohlfarth, W.Lang, H.Schrader, K.E.Pferdekamper, R.Jungmann, M.Asghar, J.P.Bocquet, G.Siegert

Nuclear Charge Distribution of Mass-Separated Isobars from Thermal-Neutron-Induced Fission of ²³⁵U

NUCLEAR REACTIONS ²³⁵U(n, F), E=thermal; measured nuclear charge distributions of fission products; deduced nuclear charge distribution widths; on-line mass separation.

doi: 10.1016/0375-9474(75)90278-X
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset21597.

1975CL08      Z.Phys. A274, 203 (1975)

H.-G.Clerc, W.Lang, H.Wohlfarth, K.-H.Schmidt, H.Schrader, K.E.Pferdekamper, R.Jungmann

The Influence of Pairing and Nuclear Structure on the Thermal-Neutron-Induced Fission of ²³⁵U

NUCLEAR REACTIONS ²³⁵U(n, F), E=thermal; measured σ(fragment mass), A=80-107; deduced charge distribution.

doi: 10.1007/BF01437731
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset21557.

1975SC21      Phys.Lett. 56B, 250 (1975)

K.-H.Schmidt, H.-G.Clerc, H.Wohlfarth, W.Lang, W.Lehmann-Carpzov

Experimental Evidence for the Influence of the Atomic Shell Structure on the Energy Loss of High Energy Heavy Ions in Matter

RADIOACTIVITY, Fission ²⁵²Cf (SF); measured secondary electron yield of fission products through carbon foils.

doi: 10.1016/0370-2693(75)90387-1
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1974TU02      Phys.Lett. 49B, 335 (1974)

D.Turck, W.Ziga, H.-G.Clerc

Fission Barrier of ²⁰⁹Bi Measured by Electron Induced Fission

NUCLEAR REACTIONS ²⁰⁹Bi(e, F), E=26-41 MeV; measured σ, deduced fission barrier.

doi: 10.1016/0370-2693(74)90174-9
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1970WI04      Z.Phys. 234, 120 (1970)

G.Wittwer, H.-G.Clerc, G.A.Beer

Untersuchung von Kernniveaus unterhalb 16 MeV im ¹³C mit unelastischer Elektronenstreuung

NUCLEAR REACTIONS ¹³C(e, e'), E=36-75 MeV; measured σ(E;Ee', θ). ¹³C deduced levels, level-width, transition radii.

doi: 10.1007/BF01402796
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1969TO05      Phys.Letters 29B, 579 (1969)

M.Tomaselli, L.Grunbaum, G.A.Beer, H.-G.Clerc, G.Wittwer

Experimental and Theoretical Investigation of the E1-Electroexcitation Of the 3.08 MeV Level in ¹³C

NUCLEAR REACTIONS ¹³C(e, e'), E not given; measured σ(E, θ). ¹³C levels deduced transition probabilities.

doi: 10.1016/0370-2693(69)90302-5
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1969WI22      Phys.Letters 30B, 634 (1969)

G.Wittwer, H.-G.Clerc, G.A.Beer

Properties of Electromagnetic Transitions in ¹³C

NUCLEAR REACTIONS ¹³C(e, e'), E = 36-65 MeV; measured σ(E;Ee'). ¹³C deduced levels, level-width, γ-mixing.

doi: 10.1016/0370-2693(69)90080-X
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1968BE14      Phys.Letters 26B, 506 (1968)

G.A.Beer, P.Brix, H.-G.Clerc, B.Laube

Ground State Electromagnetic Widths of the 6.32 MeV Level in ¹⁵N

NUCLEAR STRUCTURE ¹⁵N; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0370-2693(68)90364-X
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1968CL05      Z.Physik 211, 452 (1968)

H.-G.Clerc, E.Kuphal

Unelastische Elektronenstreuung an ¹⁴N fur Anregungsenergien Zwischen 8, 5 und 11, 5 MeV

NUCLEAR STRUCTURE ¹⁴N; measured not abstracted; deduced nuclear properties.

doi: 10.1007/BF01404559
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1968CL08      Nucl.Phys. A120, 441 (1968)

H.-G.Clerc, K.J.Wetzel, E.Spamer

Inelastic Electron Scattering from ⁹Be: Levels below 10 MeV

NUCLEAR REACTIONS ⁹Be(e, e'), Ee=25-58 MeV, θ=105°-165°; measured σ(Ee, Ee', θ). ⁹Be deduced levels, π, level-width.

doi: 10.1016/0375-9474(68)90777-X
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1966CL01      Phys.Letters 20, 667 (1966)

H.G.Clerc, K.J.Wetzel, E.Spamer

Excitation of New Electromagnetic Transitions in ⁹Be Inelastic Electron Scattering

NUCLEAR STRUCTURE ⁹Be; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0031-9163(66)91165-6
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1965CL03      Phys.Letters 18, 316 (1965)

H.G.Clerc, R.J.Stewart, R.C.Morrison

Photodisintegration of ⁴He

NUCLEAR STRUCTURE ⁴He; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0031-9163(65)90353-7
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0487.

1964GU06      Z.Physik 181, 453 (1964)

F.Gudden, G.Fricke, H.-G.Clerc, P.Brix

Eine Anordnung fur Experimente Zur Elektronenstreuung Unterhalb 60 MeV

NUCLEAR STRUCTURE ¹²C; measured not abstracted; deduced nuclear properties.

doi: 10.1007/BF01380562
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