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NSR database version of May 21, 2024.

Search: Author = P.Armbruster

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2008AR08      Eur.Phys.J. A 37, 159 (2008)

P.Armbruster

Shifting the closed proton shell to Z = 122 -A possible scenario to understand the production of superheavy elements Z = 112-118

RADIOACTIVITY 195,197Hg, 198,199,200,201Pb, 202,203,204,205Po, 206Rn, 283,285Cn, 286,287,288,289Fl, 290,291,292,293Lv, 294Og(α); analyzed Q, 2-proton separation energies in terms of on(off)-shell decays and concluded next proton closed shell at Z=122.

NUCLEAR STRUCTURE Z=111-122; calculated shape deformation, production σ, fission barriers using IBA.

doi: 10.1140/epja/i2008-10607-5
Citations: PlumX Metrics


2007AR24      Eur.Phys.J. D 45, 25 (2007)

P.Armbruster

Precompound charged particle emission (PCE) - a mechanism beyond element production by complete fusion

doi: 10.1140/epjd/e2007-00240-4
Citations: PlumX Metrics


2007NA31      Phys.Rev. C 76, 064609 (2007)

P.Napolitani, K.-H.Schmidt, L.Tassan-Got, P.Armbruster, T.Enqvist, A.Heinz, V.Henzl, D.Henzlova, A.Kelic, R.Pleskac, M.V.Ricciardi, C.Schmitt, O.Yordanov, L.Audouin, M.Bernas, A.Lafriaskh, F.Rejmund, C.Stephan, J.Benlliure, E.Casarejos, M.Fernandez-Ordonez, J.Pereira, A.Boudard, B.Fernandez, S.Leray, C.Villagrasa, C.Volant

Measurement of the complete nuclide production and kinetic energies of the system 136Xe+hydrogen at 1 GeV per nucleon

NUCLEAR REACTIONS 136Xe(p, X), E=1 GeV/nucleon; measured isotopic cross sections, kinetic energies. 6,7,8Li, 9,10,11,12Be, 10,11,12,13B, 11,12,13,14,15C, 13,14,15,16,17N, 15,16,17,18,19O, 17,18,19,20,21F, 19,20,21,22,23Ne, 22,23,24,25Na, 23,24,25,26,27Mg, 25,26,27,28,29,30Al, 28,29,30,31,32Si, 30,31,32,33,34P, 32,33,34,35,36,37,38S, 34,35,36,37,38,39,40Cl, 36,37,38,39,40,41,42,43Ar, 39,40,41,42,43,44,45K, 41,42,43,44,45,46,47Ca, 43,44,45,46,47,48,49,50Sc, 45,46,47,48,49,50,51,52Ti, 46,47,48,49,50,51,52,53,54,55V, 49,50,51,52,53,54,55,56,57Cr, 50,51,52,53,54,55,56,57,58,59,60Mn, 55,56,57,58,59,60,61,62Fe, 57,58,59,60,61,62,63,64,65Co, 59,60,61,62,63,64,65,66,67Ni, 60,61,62,63,64,65,66,67,68,69,70Cu, 62,63,64,65,66,67,68,69,70,71,72Zn, 66,67,68,69,70,71,72,73,74,75Ga, 68,69,70,71,72,73,74,75,76,77Ge, 70,71,72,73,74,75,76,77,78,79,80,81As, 72,73,74,75,76,77,78,79,80,81,82,83Se, 74,75,76,77,78,79,80,81,82,83,84,85Br, 76,77,78,79,80,81,82,83,84,85,86,87,88Kr; measured cross sections.

NUCLEAR REACTIONS 136Xe(p, X), E=1 GeV/nucleon; measured isotopic cross sections, kinetic energies. 79,80,81,82,83,84,85,86,87,88,89,90Rb, 81,82,83,84,85,86,87,88,89,90,91,92,93Sr, 84,85,86,87,88,89,90,91,92,93,94,95,96Y, 86,87,88,89,90,91,92,93,94,95,96,97,98,99Zr, 87,88,89,90,91,92,93,94,95,96,97,98,99,100Nb, 90,91,92,93,94,95,96,97,98,99,100,101,102,103,104Mo, 92,93,94,95,96,97,98,99,100,101,102,103,104,105,106Tc, 95,96,97,98,99,100,101,102,103,104,105,106,107,108,109Ru, 97,98,99,100,101,102,103,104,105,106,107,108,109,110,111Rh, 99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115Pd, 101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122Ag, 104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125Cd, 105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127In, 108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130Sn, 110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132Sb, 111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134Te, 113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135I, 116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135Xe, 122,123,124,125,126,127,128,129,130,131,132,133,134,135,136Cs, 127,128,129,130,131,132Ba; measured cross sections.

doi: 10.1103/PhysRevC.76.064609
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1589.


2007PE01      Phys.Rev. C 75, 014602 (2007)

J.Pereira, J.Benlliure, E.Casarejos, P.Armbruster, M.Bernas, A.Boudard, S.Czajkowski, T.Enqvist, R.Legrain, S.Leray, B.Mustapha, M.Pravikoff, F.Rejmund, K.-H.Schmidt, C.Stephan, J.Taieb, L.Tassan-Got, C.Volant, W.Wlazlo

Isotopic production cross sections and recoil velocities of spallation-fission fragments in the reaction 238U(1A GeV)+d

NUCLEAR REACTIONS 2H(238U, X), E=1 GeV/nucleon; measured spallation and fission fragments isotopic production σ, velocity distributions.

doi: 10.1103/PhysRevC.75.014602
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1504.


2007PE10      Phys.Rev. C 75, 044604 (2007)

J.Pereira, P.Armbruster, J.Benlliure, K.-H.Schmidt

Comprehensive analysis of fission-reaction properties in the nuclear spallation of 238U(1 GeV/nucleon) on deuterium

NUCLEAR REACTIONS 2H(238U, X), E=1 GeV/nucleon; measured fission fragments isotopic production σ, velocity distributions, separation of symmetric and asymmetric fission modes.

doi: 10.1103/PhysRevC.75.044604
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1504.


2007VI06      Phys.Rev. C 75, 044603 (2007)

C.Villagrasa-Canton, A.Boudard, J.-E.Ducret, B.Fernandez, S.Leray, C.Volant, P.Armbruster, T.Enqvist, F.Hammache, K.Helariutta, B.Jurado, M.-V.Ricciardi, K.-H.Schmidt, K.Summerer, F.Vives, O.Yordanov, L.Audouin, C.-O.Bacri, L.Ferrant, P.Napolitani, F.Rejmund, C.Stephan, L.Tassan-Got, J.Benlliure, E.Casarejos, M.Fernandez-Ordonez, J.Pereira, S.Czajkowski, D.Karamanis, M.Pravikoff, J.S.George, R.A.Mewaldt, N.Yanasak, M.Wiedenbeck, J.J.Connell, T.Faestermann, A.Heinz, A.Junghans

Spallation residues in the reaction 56Fe+p at 0.3A, 0.5A, 0.75A, 1.0A, and 1.5A GeV

NUCLEAR REACTIONS 1H(56Fe, X), E=0.3, 0.5, 0.75, 1.0, 1.5 GeV/nucleon; measured spallation products isotopic yields, excitation functions.

doi: 10.1103/PhysRevC.75.044603
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1507.


2006AU01      Nucl.Phys. A768, 1 (2006)

L.Audouin, L.Tassan-Got, P.Armbruster, J.Benlliure, M.Bernas, A.Boudard, E.Casarejos, S.Czajkowski, T.Enqvist, B.Fernandez-Dominguez, B.Jurado, R.Legrain, S.Leray, B.Mustapha, J.Pereira, M.Pravikoff, F.Rejmund, M.-V.Ricciardi, K.-H.Schmidt, C.Stephan, J.Taieb, C.Volant, W.Wlazlo

Evaporation residues produced in spallation of 208Pb by protons at 500 A MeV

NUCLEAR REACTIONS 1H(208Pb, X), E=500 MeV/nucleon; measured spallation fragments isotopic production σ, momentum transfer distributions; deduced reaction mechanism features. Comparisons with model predictions and results from higher-energy reactions.

doi: 10.1016/j.nuclphysa.2006.01.006
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1304.


2006BE02      Nucl.Phys. A765, 197 (2006)

M.Bernas, P.Armbruster, J.Benlliure, A.Boudard, E.Casarejos, T.Enqvist, A.Kelic, R.Legrain, S.Leray, J.Pereira, F.Rejmund, M.-V.Ricciardi, K.-H.Schmidt, C.Stephan, J.Taieb, L.Tassan-Got, C.Volant

Very heavy fission fragments produced in the spallation reaction 238U + p at 1 A GeV

NUCLEAR REACTIONS 1H(238U, X), E=1 GeV/nucleon; measured fission fragments isotopic production σ, longitudinal velocity distributions, kinetic energies.

doi: 10.1016/j.nuclphysa.2005.10.009
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1303.


2006CA30      Phys.Rev. C 74, 044612 (2006)

E.Casarejos, J.Benlliure, J.Pereira, P.Armbruster, M.Bernas, A.Boudard, S.Czajkowski, T.Enqvist, R.Legrain, S.Leray, B.Mustapha, M.Pravikoff, F.Rejmund, K.-H.Schmidt, C.Stephan, J.Taieb, L.Tassan-Got, C.Volant, W.Wlazlo

Isotopic production cross sections of spallation-evaporation residues from reactions of 238U(1A GeV) with deuterium

NUCLEAR REACTIONS 2H(238U, X), E=1 GeV/nucleon; measured spallation fragments isotopic production σ, momentum distributions.

doi: 10.1103/PhysRevC.74.044612
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1441.


2006RI01      Phys.Rev. C 73, 014607 (2006)

M.V.Ricciardi, P.Armbruster, J.Benlliure, M.Bernas, A.Boudard, S.Czajkowski, T.Enqvist, A.Kelic, S.Leray, R.Legrain, B.Mustapha, J.Pereira, F.Rejmund, K.-H.Schmidt, C.Stephan, L.Tassan-Got, C.Volant, O.Yordanov

Light nuclides produced in the proton-induced spallation of 238U at 1 GeV

NUCLEAR REACTIONS 1H(238U, X), E=1 GeV/nucleon; measured spallation fragments isotopic production σ, velocity distributions. Statistical model analysis.

doi: 10.1103/PhysRevC.73.014607
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1302.


2005AU07      Nucl.Instrum.Methods Phys.Res. A548, 517 (2005)

L.Audouin, L.Tassan-Got, P.Armbruster, K.-H.Schmidt, C.Stephan, J.Taieb

Recoil spectrometers for heavy-ion identification and secondary-beam production: Pushing the low-energy limit

NUCLEAR REACTIONS 1H(Pb, X), E=500 MeV/nucleon; measured fragments isotopic yields, velocity distributions.

doi: 10.1016/j.nima.2005.04.073
Citations: PlumX Metrics


2005FE02      Nucl.Phys. A747, 227 (2005)

B.Fernandez-Dominguez, P.Armbruster, L.Audouin, J.Benlliure, M.Bernas, A.Boudard, E.Casarejos, S.Czajkowski, J.E.Ducret, T.Enqvist, B.Jurado, R.Legrain, S.Leray, B.Mustapha, J.Pereira, M.Pravikoff, F.Rejmund, M.V.Ricciardi, K.-H.Schmidt, C.Stephan, J.Taieb, L.Tassan-Got, C.Volant, W.Wlazlo

Nuclide cross-sections of fission fragments in the reaction 208Pb + p at 500 A MeV

NUCLEAR REACTIONS 1H(208Pb, X), E=500 MeV/nucleon; measured spallation fragments isotopic production σ, kinetic energy distributions; deduced reaction mechanism features. Comparisons with model predictions and results from higher-energy reactions.

doi: 10.1016/j.nuclphysa.2004.10.013
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1228.


2004AR28      Phys.Rev.Lett. 93, 212701 (2004)

P.Armbruster, J.Benlliure, M.Bernas, A.Boudard, E.Casarejos, S.Czajkowski, T.Enqvist, S.Leray, P.Napolitani, J.Pereira, F.Rejmund, M.-V.Ricciardi, K.-H.Schmidt, C.Stephan, J.Taieb, L.Tassan-Got, C.Volant

Measurement of a Complete Set of Nuclides, Cross Sections, and Kinetic Energies in Spallation of 238U 1A GeV with Protons

NUCLEAR REACTIONS 1H(238U, X), E=1 GeV/nucleon; measured spallation fragments isotopic production σ, longitudinal momentum distributions, kinetic energies.

doi: 10.1103/PhysRevLett.93.212701
Citations: PlumX Metrics


2004KE15      Phys.Rev. C 70, 064608 (2004)

A.Kelic, K.-H.Schmidt, T.Enqvist, A.Boudard, P.Armbruster, J.Benlliure, M.Bernas, S.Czajkowski, R.Legrain, S.Leray, B.Mustapha, M.Pravikoff, F.Rejmund, C.Stephan, J.Taieb, L.Tassan-Got, C.Volant, W.Wlazlo

Isotopic and velocity distributions of 83Bi produced in charge-pickup reactions of 20882Pb at 1A GeV

NUCLEAR REACTIONS 1,2H, Ti(208Pb, X)193Bi/194Bi/195Bi/196Bi/197Bi/198Bi/199Bi/200Bi/201Bi/202Bi/203Bi/204Bi/205Bi/206Bi/207Bi/208Bi, E=1 GeV/nucleon; measured charge-pickup σ, velocity distributions; deduced reaction mechanism features. Comparison with model predictions and previous results.

doi: 10.1103/PhysRevC.70.064608
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1183.


2004PE07      Nucl.Phys. A734, 221 (2004)

J.Pereira, P.Armbruster, J.Benlliure, M.Bernas, A.Boudard, E.Casarejos, S.Czajkowski, T.Enqvist, R.Legrain, S.Leray, B.Mustapha, M.Pravikoff, F.Rejmund, K.H.Schmidt, C.Stephan, J.Taieb, L.Tassan-Got, C.Volant, W.Wlazlo

Dynamics of spallation reactions investigated from production cross sections of residual nuclei in collisions induced by 238U at 1 A GeV on proton and deuterium

NUCLEAR REACTIONS 1,2H(238U, X), E=1 GeV/nucleon; measured fragments isotopic production σ; deduced reaction mechanism features.

doi: 10.1016/j.nuclphysa.2004.01.039
Citations: PlumX Metrics


2003AR32      Acta Phys.Pol. B34, 1825 (2003)

P.Armbruster

On the production of superheavy elements


2003AR35      C.R.Physique 4, 571 (2003)

P.Armbruster

On the production of superheavy elements

doi: 10.1016/S1631-0705(03)00061-6
Citations: PlumX Metrics


2003BE45      Nucl.Phys. A725, 213 (2003)

M.Bernas, P.Armbruster, J.Benlliure, A.Boudard, E.Casarejos, S.Czajkowski, T.Enqvist, R.Legrain, S.Leray, B.Mustapha, P.Napolitani, J.Pereira, F.Rejmund, M.-V.Ricciardi, K.-H.Schmidt, C.Stephan, J.Taieb, L.Tassan-Got, C.Volant

Fission-residues produced in the spallation reaction 238U + p at 1 A GeV

NUCLEAR REACTIONS 1H(238U, X), E=1 GeV/nucleon; measured fission fragments isotopic production σ, velocity distributions. High-resolution magnetic spectrometer. Application to accelerator-driven subcritical reactors and radioactive beam production discussed. Comparison with model predictions.

doi: 10.1016/S0375-9474(03)01576-8
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1069.


2003CA29      Yad.Fiz. 66, 1459 (2003); Phys.Atomic Nuclei 66, 1413 (2003)

E.Casarejos, P.Armbruster, L.Audouin, J.Benlliure, M.Bernas, A.Boudard, R.Legrain, S.Leray, B.Mustapha, S.Czajkowski, T.Enqvist, B.Fernandez, J.Pereira, M.Pravikoff, F.Rejmund, K.-H.Schmidt, C.Stephan, J.Taieb, L.Tassan-Got, C.Villagrasa, C.Volant, W.Wlazlo

Isotopic Production Cross Sections of Residues in Reactions Induced by Relativistic Heavy Ions with Protons and Deuterons

NUCLEAR REACTIONS 1,2H(238U, X), (208Pb, X), E=1 GeV/nucleon; measured fragment isotopic yields, mass distributions.

doi: 10.1134/1.1601743
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.


2003NA18      Yad.Fiz. 66, 1517 (2003); Phys.Atomic Nuclei 66, 1471 (2003)

P.Napolitani, K.-H.Schmidt, P.Armbruster, A.S.Botvina, M.V.Ricciardi, L.Tassan-Got, F.Rejmund, T.Enqvist

Determination of the Freeze-Out Temperature by the Isospin Thermometer

NUCLEAR REACTIONS Pb(238U, X), 2H, Ti(208Pb, X), 1H, Ti(56Fe, X), E=1 GeV/nucleon; Be(86Kr, X), E=500 MeV/nucleon; Ta(p, X), E=5.7 GeV; Au(p, X), E=11.5 GeV; analyzed fragment mass yields; deduced thermometer based on neutron excess.

doi: 10.1134/1.1601752
Citations: PlumX Metrics


2003NA26      Nucl.Phys. A727, 120 (2003)

P.Napolitani, L.Tassan-Got, P.Armbruster, M.Bernas

A model for consecutive spallation and fragmentation reactions in inverse kinematics at relativistic energies

NUCLEAR REACTIONS 1H(238U, X), E=1 GeV/nucleon; calculated fragments isotopic yields following secondary and multiple reactions. Application to radioactive beam production discussed.

doi: 10.1016/j.nuclphysa.2003.07.001
Citations: PlumX Metrics


2003TA14      Nucl.Phys. A724, 413 (2003)

J.Taieb, K.-H.Schmidt, L.Tassan-Got, P.Armbruster, J.Benlliure, M.Bernas, A.Boudard, E.Casarejos, S.Czajkowski, T.Enqvist, R.Legrain, S.Leray, B.Mustapha, M.Pravikoff, F.Rejmund, C.Stephan, C.Volant, W.Wlazlo

Evaporation residues produced in the spallation reaction 238U + p at 1 A GeV

NUCLEAR REACTIONS 1H(238U, X), E=1 GeV/nucleon; measured spallation products isotopic production σ, momentum distributions. High resolution magnetic spectrometer. Comparison with empirical systematics.

doi: 10.1016/S0375-9474(03)01517-3
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1053.


2002BE23      Nucl.Phys. A700, 469 (2002)

J.Benlliure, P.Armbruster, M.Bernas, A.Boudard, T.Enqvist, R.Legrain, S.Leray, F.Rejmund, K.-H.Schmidt, C.Stephan, L.Tassan-Got, C.Volant

Signatures of Fission Dynamics in Highly Excited Nuclei Produced in 197Au(800 A MeV) on Proton Collisions

NUCLEAR REACTIONS 1H(197Au, X), E=800 MeV/nucleon; measured fragments isotopic yields; deduced fission dynamics, role of nuclear dissipation. Comparisons with model predictions.

doi: 10.1016/S0375-9474(01)01331-8
Citations: PlumX Metrics


2002CA31      Nucl.Phys. A701, 123c (2002)

E.Casarejos, J.Taieb, J.Benlliure, P.Armbruster, M.Bernas, A.Boudard, S.Czajkowski, T.Enqvist, F.Rejmund, R.Legrain, S.Leray, B.Mustapha, M.Pravikoff, K.-H.Schmidt, C.Stephan, L.Tassan-Got, C.Volant, W.Wlazlo

Isotopic Production Cross Sections of Heavy Residues from Reactions of 238U(1 AGeV) on Protons and Deuterons Relevant for RNB Production

NUCLEAR REACTIONS 238U(p, X), (d, X), E=1 Gev/nucleon; measured isotopic production σ for heavy residues.

doi: 10.1016/S0375-9474(01)01559-7
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1441.


2002EN03      Nucl.Phys. A703, 435 (2002)

T.Enqvist, P.Armbruster, J.Benlliure, M.Bernas, A.Boudard, S.Czajkowski, R.Legrain, S.Leray, B.Mustapha, M.Pravikoff, F.Rejmund, K.-H.Schmidt, C.Stephan, J.Taieb, L.Tassan-Got, F.Vives, C.Volant, W.Wlazlo

Primary-Residue Production Cross Sections and Kinetic Energies in 1 A GeV 208Pb on Deuteron Reactions

NUCLEAR REACTIONS 2H(208Pb, X), E=1 GeV/nucleon; measured isotopic production σ from spallation and fission, fragment recoil velocities. In-flight identification by magnetic spectrometer, ToF and energy-loss measurements. Application to radioactive beam production and accelerator-driven subcritical reactors discussed.

doi: 10.1016/S0375-9474(01)01340-9
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0921.


2002RE36      Acta Phys.Hung.N.S. 16, 85 (2002)

F.Rejmund, A.Bethenod, P.Napolitani, J.Taieb, C.Villagrasa, L.Audouin, P.Armbruster, C.O.Bacri, J.Benlliure, M.Bernas, B.Berthier, A.Boudard, E.Casajeros, S.Czajkowski, J.J.Connell, T.Enqvist, T.Faestermann, J.S.George, A.Junghans, B.Jurado, F.Hammache, S.Leray, R.Legrain, R.A.Mewaldt, J.Pereira, M.V.Ricciardi, K.-H.Schmidt, C.Stephan, K.Summerer, L.Tassan-Got, C.Volant, M.E.Wiedenbeck, W.Wlazlo, N.E.Yanasak

Disappearance of Shell Effects and Persistence of an Even-Odd Staggering in the Fragment Production in Nuclear Reactions at Relativistic Energies

NUCLEAR REACTIONS 1H(U, X), (Fe, X), E=1 GeV/nucleon; measured fragments isotopic yields; deduced shell and pairing effects.

doi: 10.1556/APH.16.2002.1-4.10
Citations: PlumX Metrics


2002RI06      Nucl.Phys. A701, 156c (2002)

M.V.Ricciardi, P.Armbruster, J.Benlliure, M.Bernas, A.Boudard, S.Czajkowski, T.Enqvist, S.Leray, R.Legrain, B.Mustapha, M.Pravikoff, K.-H.Schmidt, C.Stephan, F.Rejmund, L.Tassan-Got, C.Volant

Experimental Study on the Production of Light Nuclei in Spallation-Fission Reactions and Projectile Fragmentation of 238U

NUCLEAR REACTIONS 1H(238U, X), E=1 GeV/nucleon; measured fission fragments mass, charge, and velocity distributions. Mass separator.

doi: 10.1016/S0375-9474(01)01565-2
Citations: PlumX Metrics


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
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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


2001BE07      Nucl.Phys. A683, 513 (2001)

J.Benlliure, P.Armbruster, M.Bernas, A.Boudard, J.P.Dufour, T.Enqvist, R.Legrain, S.Leray, B.Mustapha, F.Rejmund, K.-H.Schmidt, C.Stephan, L.Tassan-Got, C.Volant

Isotopic Production Cross Sections of Fission Residues in 197Au-on-Proton Collisions at 800 A MeV

NUCLEAR REACTIONS 1H(197Au, X), E=800 MeV/nucleon; measured fission fragments isotopic yields, kinetic energies. Spallation-fission reactions.

doi: 10.1016/S0375-9474(00)00472-3
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2001EN02      Nucl.Phys. A686, 481 (2001)

T.Enqvist, W.Wlazlo, P.Armbruster, J.Benlliure, M.Bernas, A.Boudard, S.Czajkowski, R.Legrain, S.Leray, B.Mustapha, M.Pravikoff, F.Rejmund, K.-H.Schmidt, C.Stephan, J.Taieb, L.Tassan-Got, C.Volant

Isotopic Yields and Kinetic Energies of Primary Residues in 1 A GeV 208Pb + p Reactions

NUCLEAR REACTIONS 1H(208Pb, X), E=1 GeV/nucleon; measured spallation, fission cross sections, isotopic yields, fragment recoil velocities. In-flight identification with magnetic spectrometer. Relevance for accelerator-driven subcritical reactors and radioactive beam production discussed.

doi: 10.1016/S0375-9474(00)00563-7
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2001RE02      Nucl.Phys. A683, 540 (2001)

F.Rejmund, B.Mustapha, P.Armbruster, J.Benlliure, M.Bernas, A.Boudard, J.P.Dufour, T.Enqvist, R.Legrain, S.Leray, K.-H.Schmidt, C.Stephan, J.Taieb, L.Tassan-Got, C.Volant

Measurement of Isotopic Cross Sections of Spallation Residues in 800 A MeV 197Au + p Collisions

NUCLEAR REACTIONS 1H(197Au, X), E=800 MeV/nucleon; measured Z=60-80 spallation fragments isotopic production σ. Comparison with model calculations.

doi: 10.1016/S0375-9474(00)00468-1
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2000AR03      Eur.Phys.J. A 7, 23 (2000)

P.Armbruster

On the Quest of Production of Superheavy Nuclei in Reactions of 48Ca with the Heaviest Actinide Targets

NUCLEAR REACTIONS 242,244Pu, 238U(48Ca, X), E not given; analyzed recent data; deduced no evidence for 287,289Fl, 283,285Cn, 281Ds, 277Hs. Relationship to earlier experimental results discussed.

doi: 10.1007/s100500050006
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2000AR24      Ann.Rev.Nucl.Part.Sci. 50, 411 (2000)

P.Armbruster

On the Production of Superheavy Elements

doi: 10.1146/annurev.nucl.50.1.411
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2000JU06      Acta Phys.Pol. B31, 367 (2000)

B.Jurado, K.-H.Schmidt, F.Farget, T.Enqvist, F.Ameil, P.Armbruster, J.Benlliure, M.Bernas, B.Mustapha, L.Tassan-Got, C.Stephan, A.Boudard, S.Leray, R.Legrain, C.Volant, S.Czajkowski, M.Pravikoff

Projectile Fragmentation at Relativistic Energies: A possibility to determine the viscosity of nuclear matter

NUCLEAR REACTIONS Pb(238U, X), E=1 GeV/nucleon; measured partial fission σ vs fragment charge; deduced dissipation coefficient.


2000WL01      Phys.Rev.Lett. 84, 5736 (2000)

W.Wlazlo, T.Enqvist, P.Armbruster, J.Benlliure, M.Bernas, A.Boudard, S.Czajkowski, R.Legrain, S.Leray, B.Mustapha, M.Pravikoff, F.Rejmund, K.-H.Schmidt, C.Stephan, J.Taieb, L.Tassan-Got, C.Volant

Cross Sections of Spallation Residues Produced in 1A GeV 208Pb on Proton Reactions

NUCLEAR REACTIONS 1H(208Pb, X), E=1 GeV/nucleon; measured Z=61-82 fragments isotopic production σ. Comparison with model predictions, previous data. Fragment recoil separator.

doi: 10.1103/PhysRevLett.84.5736
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1999AR20      Rep.Prog.Phys. 62, 465 (1999)

P.Armbruster

Nuclear Structure in Cold Rearrangement Processes in Fission and Fusion

doi: 10.1088/0034-4885/62/4/001
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1999BE78      Nucl.Phys. (Supplement) A654, 833c (1999)

J.Benlliure, P.Armbruster, M.Bernas, A.Boudard, J.P.Dufour, T.Enqvist, F.Farget, R.Legrain, B.Mustapha, L.Tassan-Got, K.-H.Schmidt, C.Stephan, C.Volant

Fission Investigations in Au + p Collisions at 800 A MeV

NUCLEAR REACTIONS 1H(197Au, F), E=800 MeV/nucleon; measured fission fragments production σ, velocity and charge distributions; deduced fission mechanism features. Effect of viscosity discussed.

doi: 10.1016/S0375-9474(00)88556-5
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1999EN06      Nucl.Phys. A658, 47 (1999)

T.Enqvist, J.Benlliure, F.Farget, K.-H.Schmidt, P.Armbruster, M.Bernas, L.Tassan-Got, A.Boudard, R.Legrain, C.Volant, C.Bockstiegel, M.de Jong, J.P.Dufour

Systematic Experimental Survey on Projectile Fragmentation and Fission Induced in Collisions of 238U at 1 A GeV with Lead

NUCLEAR REACTIONS 208Pb(238U, X), E=1 GeV/nucleon; measured fragments isotopic production σ, velocity distributions; deduced fission, fragmentation contributions, other reaction mechanism features.

doi: 10.1016/S0375-9474(99)00299-7
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1998AM04      Eur.Phys.J. A 1, 275 (1998)

F.Ameil, M.Bernas, P.Armbruster, S.Czajkowski, P.Dessagne, H.Geissel, E.Hanelt, C.Kozhuharov, C.Miehe, C.Donzaud, A.Grewe, A.Heinz, Z.Janas, M.de Jong, W.Schwab, S.Steinhauser

β-Decay Half-Lives of Very Neutron-Rich Isotopes of Elements from Ti to Ni

RADIOACTIVITY 55,56,57Ti, 57,58,59,60V, 61,62,63Cr, 64,65,66Mn, 66,67,69Fe, 70,71,72Co, 73,74,75,76Ni(β-) [from 86Kr fragmentation]; measured T1/2; deduced decay-chain sequences. Fragment mass separator. Comparison with several theoretical calculations.

doi: 10.1007/s100500050062
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1998BE30      Eur.Phys.J. A 2, 193 (1998)

J.Benlliure, P.Armbruster, M.Bernas, C.Bockstiegel, S.Czajkowski, C.Donzaud, H.Geissel, A.Heinz, C.Kozhuharov, P.Dessagne, G.Munzenberg, M.Pfutzner, C.Stephan, K.-H.Schmidt, K.Summerer, W.Schwab, L.Tassan-Got, B.Voss

Production of Medium-Weight Isotopes by Fragmentation in 750 A MeV 238U on 208Pb Collisions

NUCLEAR REACTIONS 208Pb(238U, X), E=750 MeV/nucleon; measured fragments isotopic production σ; deduced effective proton-evaporation barrier.

doi: 10.1007/s100500050108
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1998DO08      Eur.Phys.J. A 1, 407 (1998)

C.Donzaud, S.Czajkowski, P.Armbruster, M.Bernas, C.Bockstiegel, P.Dessagne, H.Geissel, E.Hanelt, A.Heinz, C.Kozhuharov, Ch.Miehe, G.Munzenberg, M.Pfutzner, W.Schwab, C.Stephan, K.Summerer, L.Tassan-Got, B.Voss

Low-Energy Fission Investigated in Reactions of 750 AMeV 238U-Ions on 208Pb. II: Isotopic distributions

NUCLEAR REACTIONS Pb(238U, X), E=750 MeV/nucleon; measured projectile fission fragments mass, charge, velocity distributions, production σ, low-energy fission component features; deduced evidence for 90,91Se, 96Kr, 103,104,105Y, 106,107Zr, 108,109,110Nb, 111,112,113Mo, 114,115Tc, 116,117,118Ru, 118,119,120,121Rh, 121,122,123Pd, 125,126Ag, 135,136,137Sn, 137,138,139Sb, 139,140,141,142Te. Fragment separator.

doi: 10.1007/s100500050076
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1998EN08      Nuovo Cim. 111A, 947 (1998)

T.Enqvist, J.Benlliure, F.Farget, K.-H.Schmidt, P.Armbruster, C.Bockstiegel, M.De Jong, M.Bernas, L.Tassan-Got, A.Boudard, R.Legrain, C.Volant, J.P.Dufour

Systematic Experimental Survey on Projectile Fragmentation and Fission Induced in Collisions of 238U at 1 A GeV with Lead

NUCLEAR REACTIONS Pb(238U, X), E=1 GeV/nucleon; measured fragments isotopic production σ, momentum distributions; deduced projectile fission, fragmentation contributions. Fragment recoil separator.

doi: 10.1007/BF03035981
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1998FA22      Nuovo Cim. 111A, 1097 (1998)

F.Farget, J.Benlliure, T.Enqvist, J.Taieb, K.-H.Schmidt, P.Armbruster, M.Bernas, B.Mustapha, C.Stephan, L.Tassan-Got, A.Boudard, S.Leray, R.Legrain, C.Volant, J.P.Dufour, S.Czajkowski, M.Pravikoff

Spallation-Reaction Cross-Sections Relevant for Accelerator-Driven Systems

NUCLEAR REACTIONS 1H(197Au, X), E=800 MeV/nucleon; measured fragments isotopic production σ, velocity distributions.

doi: 10.1007/BF03035998
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1998PF02      Phys.Lett. 444B, 32 (1998)

M.Pfutzner, P.Armbruster, T.Baumann, J.Benlliure, M.Bernas, W.N.Catford, D.Cortina-Gil, J.M.Daugas, H.Geissel, M.Gorska, H.Grawe, R.Grzywacz, M.Hellstrom, N.Iwasa, Z.Janas, A.R.Junghans, M.Karny, S.Leenhardt, M.Lewitowicz, A.C.Mueller, F.de Oliviera, P.H.Regan, M.Rejmund, K.Rykaczewski, K.Summerer

New Isotopes and Isomers Produced by the Fragmentation of 238U at 1000 MeV/Nucleon

NUCLEAR REACTIONS Be(238U, X), E=1000 MeV/nucleon; measured fragments isotopic production σ, Eγ, Iγ(t) from fragment decay; deduced evidence for 209,210Hg, 211,212Tl, 218Bi, 219,220Po. 201,202,203,206,207,208,209,210Hg, 202,203,204,205,206Tl, 205,206,207,208,209,211,212,213,214,215Pb, 208,209,210,211,214,215,216,217,218Bi deduced production σ; 203,204Tl, 211Bi, 212Pb deduced transitions. 203,204,205Tl, 205,206,208,212Pb, 207,210,211Bi deduced isomeric states T1/2.

doi: 10.1016/S0370-2693(98)01332-X
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1998SC27      Eur.Phys.J. A 2, 179 (1998)

W.Schwab, M.Bernas, P.Armbruster, S.Czajkowski, P.Dessagne, C.Donzaud, H.Geissel, A.Heinz, C.Kozhuharov, C.Miehe, G.Munzenberg, M.Pfutzner, C.Stephan, K.-H.Schmidt, K.Summerer, W.Schwab, L.Tassan-Got, B.Voss

Fission of Highly Excited Fragments for Collisions of 750 A.MeV 238U on 208Pb Collisions

NUCLEAR REACTIONS 208Pb(238U, X), E=750 MeV/nucleon; measured fragments isotopic yields, velocity distributions; deduced reaction mechanism features.

doi: 10.1007/s100500050107
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1997AR30      Nuovo Cim. 110A, 1111 (1997)

P.Armbruster

Heavy Clusters in Cold Nuclear Rearrangements in Fusion and Fission

doi: 10.1007/BF03035953
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1997BE12      Nucl.Phys. A616, 352c (1997)

M.Bernas, P.Armbruster, S.Czajkowski, C.Donzaud, H.Geissel, F.Ameil, Ph.Dessagne, C.Engelmann, A.Heinz, Z.Janas, C.Kozhuharov, Ch.Miehe, G.Munzenberg, M.Pfutzner, C.Bockstiegel, K.-H.Schmidt, W.Schwab, C.Stephan, K.Summerer, L.Tassan-Got, B.Voss

Identification of More Than a 100 New Isotopes from 238U Projectile Fission and Beams of Neutron-Rich Nuclei at BRENDA

NUCLEAR REACTIONS Pb, 9Be(238U, F), E=750 MeV/nucleon; measured projectile fission fragment yield vs Z, mass spectra, velocity distribution; deduced evidence for 78Ni. Production σ for 78Ni and evidence for, several other new isotopes from Ti-Nb nuclei also reported.

doi: 10.1016/S0375-9474(97)00109-7
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1997BE70      Phys.Lett. 415B, 111 (1997)

M.Bernas, C.Engelmann, P.Armbruster, S.Czajkowski, F.Ameil, C.Bockstiegel, Ph.Dessagne, C.Donzaud, H.Geissel, A.Heinz, Z.Janas, C.Kozhuharov, Ch.Miehe, G.Munzenberg, M.Pfutzner, W.Schwab, C.Stephan, K.Summerer, L.Tassan-Got, B.Voss

Discovery and Cross-Section Measurement of 58 New Fission Products in Projectile-Fission of 750 x A MeV 238U

NUCLEAR REACTIONS Be(238U, X)54Ca/55Ca/56Ca/56Sc/57Sc/58Sc/59Ti/60Ti/61Ti/62V/63V/64V/65Cr/66Cr/67Cr/67Mn/68Mn/69Mn/70Fe/71Fe/72Fe/73Co/74Co/75Co/77Ni/78Ni/80Cu/82Zn/83Zn/85Ga/86Ga/87Ge/88Ge/89Ge/90As/91As/92As/92Se/93Se/94Se/95Br/96Br/97Br/97Kr/98Kr/99Kr/100Kr/103Sr/104Sr/105Sr/106Y/107Y/108Zr/109Zr/110Zr/111Nb/112Nb/113Nb/114Mo/116Tc/117Tc/119Ru/122Rh/124Pd, E=750 MeV/nucleon; measured projectile fission fragment yields, production σ. Fragment separator, tof techniques.

doi: 10.1016/S0370-2693(97)01216-1
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1014.


1997HE29      Z.Phys. A359, 415 (1997)

F.P.Hessberger, S.Hofmann, V.Ninov, P.Armbruster, H.Folger, G.Munzenberg, H.J.Schott, A.G.Popeko, A.V.Yeremin, A.N.Andreyev, S.Saro

Spontaneous Fission and Alpha-Decay Properties of Neutron Deficient Isotopes 257-253104 and 258106

RADIOACTIVITY 253,254Rf, 258Sg(SF), 255,256,257Rf(α) [from 204,206,208Pb(50Ti, xn), E=4.8-5.1 MeV/nucleon; 209Bi(51V, X), E=4.77-4.99 MeV/nucleon]; measured Eα, T1/2. 257Rf, 253No deduced levels.

NUCLEAR REACTIONS 204,206,208Pb(50Ti, xn), E=4.8-5.1 MeV/nucleon; 209Bi(51V, X), E=4.77-4.99 MeV/nucleon; measured Eα, Iα, residuals fission fragments; deduced evidence for 258Sg, 253,254Rf.

doi: 10.1007/s002180050422
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1997HO14      Z.Phys. A358, 377 (1997)

S.Hofmann, F.P.Hessberger, V.Ninov, P.Armbruster, G.Munzenberg, C.Stodel, A.G.Popeko, A.V.Yeremin, M.Leino

Excitation Function for the Production of 265108 and 266109

NUCLEAR REACTIONS, ICPND 208Pb, 209Bi(58Fe, n), E=282-294 MeV; measured production σ vs excitation energy.

RADIOACTIVITY 266Mt(α) [from 209Bi(58Fe, n), E=282-294 MeV]; 262Bh(α) [from 266Mt(α-decay)]; 258Db(α) [from 262Bh(α-decay)]; measured Eα, T1/2. Comparision with other data.

doi: 10.1007/s002180050343
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1997MO34      Z.Phys. A359, 251 (1997)

P.Moller, J.R.Nix, P.Armbruster, S.Hofmann, G.Munzenberg

Single-Particle Enhancement of Heavy-Element Production

NUCLEAR REACTIONS 208Pb(50Ti, X), (68Zn, X), (70Zn, X), E not given; calculated fusion, fission potential barriers; deduced microscopic effects. Macroscopic-microscopic model, superheavy element production.

doi: 10.1007/s002180050399
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1996AR06      Z.Phys. A355, 191 (1996)

P.Armbruster, M.Bernas, S.Czajkowski, H.Geissel, T.Aumann, Ph.Dessagne, C.Donzaud, E.Hanelt, A.Heinz, M.Hesse, C.Kozhuharov, Ch.Miehe, G.Munzenberg, M.Pfutzner, K.-H.Schmidt, W.Schwab, C.Stephan, K.Summerer, L.Tassan-Got, B.Voss

Low-Energy Fission Investigated in Reactions of 750 AMeV 238U-Ions with Pb and Be Targets I. Nuclear Charge Distributions

NUCLEAR REACTIONS Pb, 9Be(238U, F), E=750 MeV/nucleon; measured fission fragment charge distribution, energy loss spectra, fission yields, σ vs Z; deduced low energy fission evidence.

doi: 10.1007/s002180050098
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1996EN01      Z.Phys. A354, 1 (1996)

T.Enqvist, K.Eskola, A.Jokinen, M.Leino, W.H.Trzaska, J.Uusitalo, V.Ninov, P.Armbruster

Alpha Decay Properties of 200-202Fr

NUCLEAR REACTIONS 170Yb(35Cl, 5n), E=5.3 MeV/nucleon; measured production σ.

RADIOACTIVITY 200,201,202Fr, 196,197,198At(α) [from 170Yb(35Cl, xn), E=4.9-5.3 MeV/nucleon and subsequent decay]; measured Eα, Iα, T1/2.

doi: 10.1007/s002180050001
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1996EN02      Z.Phys. A354, 9 (1996)

T.Enqvist, P.Armbruster, K.Eskola, M.Leino, V.Ninov, W.H.Trzaska, J.Uusitalo

Alpha Decay of the New Isotope 197Rn

NUCLEAR REACTIONS 169Tm(35Cl, 7n), (35Cl, 6n), E=5.6-6.1 MeV/nucleon; measured Eα, Iα; deduced residual production σ.

RADIOACTIVITY 197,197m,198Rn(α) [from 169Tm(35Cl, xn), E=5.6-6.1 MeV/nucleon]; measured Eα, Iα, T1/2. All correlated chains mother-daughter Eα studied.

doi: 10.1007/s002180050005
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1996HE13      Z.Phys. A355, 69 (1996)

M.Hesse, M.Bernas, P.Armbruster, T.Aumann, S.Czajkowski, Ph.Dessagne, C.Donzaud, H.Geissel, E.Hanelt, A.Heinz, C.Kozhuharov, Ch.Miehe, G.Munzenberg, M.Pfutzner, C.Rohl, K.-H.Schmidt, W.Schwab, C.Stephan, K.Summerer, L.Tassan-Got

Reaction and Fission Cross-Sections of 750 A.MeV 238U Ions on Pb, Cu and Al-Targets

NUCLEAR REACTIONS 27Al, Cu, Pb(238U, F), E=750 MeV/nucleon; measured fission, reaction σ, charge loss.

doi: 10.1007/s002180050079
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1996HO13      Z.Phys. A354, 229 (1996)

S.Hofmann, V.Ninov, F.P.Hessberger, P.Armbruster, H.Folger, G.Munzenberg, H.J.Schott, A.G.Popeko, A.V.Yeremin, S.Saro, R.Janik, M.Leino

The New Element 112

NUCLEAR REACTIONS 208Pb(70Zn, X), E=344 MeV; measured Eα, Iα; deduced 277Cn production σ.

RADIOACTIVITY 277Cn(α) [from 208Pb(70Zn, X), E=344 MeV]; measured Eα, Iα, T1/2, two paralled running decay chain evidence.

doi: 10.1007/s002180050036
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1996LE09      Z.Phys. A355, 157 (1996)

M.Leino, J.Uusitalo, R.G.Allatt, P.Armbruster, T.Enqvist, K.Eskola, S.Hofmann, S.Hurskanen, A.Jokinen, V.Ninov, R.D.Page, W.H.Trzaska

Alpha Decay Studies of Neutron-Deficient Radium Isotopes

NUCLEAR REACTIONS 175Lu(35Cl, xn), E=157-199 MeV; 170,171Yb(40Ar, xn), E=214-224 MeV; 170,171Yb(36Ar, xn), E=190, 196 MeV; measured Eα, Iα; deduced evidence for 207,206,205,204,203,202Ra.

RADIOACTIVITY 207,206,205,204,203,203m,202Ra(α) [from 175Lu(35Cl, xn), E=157-199 MeV; 170,171Yb(40Ar, xn), E=214-224 MeV; 170,171Yb(36Ar, xn), E=190, 196 MeV]; measured Eα, Iα, T1/2.

doi: 10.1007/s002180050093
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1996NI09      Z.Phys. A356, 11 (1996)

V.Ninov, F.P.Hessberger, S.Hofmann, H.Folger, G.Munzenberg, P.Armbruster, A.V.Yeremin, A.G.Popeko, M.Leino, S.Saro

Identification of New Mendelevium and Einsteinium Isotopes in Bombardments of 209Bi with 40Ar

NUCLEAR REACTIONS 209Bi(40Ar, X), E=4.78-5.12 MeV/nucleon; measured (evaporation residue)αα-correlations; deduced evidence for 246,245Md, 242,241Es.

RADIOACTIVITY 246Md, 242,241Es(α), 245Md(SF), 245mMd(α) [from 209Bi(40Ar, X), E=4.78-5.12 MeV/nucleon]; measured Eα, Iα, T1/2.

doi: 10.1007/s002180050141
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1995AR34      Postepy Fiz. 46, 431 (1995)

P.Armbruster, S.Hofmann

Aynthesis of the elements 110 and 111

RADIOACTIVITY 270Ds(n) [from 208Pb(62Ni, X), E not given]; 273Rg(n) [from 209Bi(64Ni, X), E not given]; measured decay products; deduced new element parameters. GSI-Darmstadt.

NUCLEAR REACTIONS 208Pb(50Ti, X)258Rf, 208Pb(58Fe, X)266Hs, E not given; measured reaction products; deduced new isotopes.


1995EN07      Z.Phys. A352, 351 (1995)

Ch.Engelmann, F.Ameil, P.Armbruster, M.Bernas, S.Czajkowski, Ph.Dessagne, C.Donzaud, H.Geissel, A.Heinz, Z.Janas, C.Kozhuharov, Ch.Miehe, G.Munzenberg, M.Pfutzner, C.Rohl, W.Schwab, C.Stephan, K.Summerer, L.Tassan-Got, B.Voss

Production and Identification of Heavy Ni Isotopes: Evidence for the doubly magic nucleus 7828Ni

NUCLEAR REACTIONS 9Be(238U, F)78Cu/79Cu/80Cu/76Ni/77Ni/78Ni/73Co/75Co, E=750 MeV/nucleon; measured production σ, residuals fission yields. Fully-stripped fission product separation, magnetic rigidity, trajectory, energy deposit, tof measured.

doi: 10.1007/BF01299748
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1995FO21      Nucl.Instrum.Methods Phys.Res. A362, 64 (1995)

H.Folger, W.Hartmann, F.P.Hessberger, S.Hofmann, J.Klemm, G.Munzenberg, V.Ninov, W.Thalheimer, P.Armbruster

Developments of 170Er, 204,206,207,208Pb and 209Bi Target Wheels for Reaction Studies and Synthesis of Heaviest Elements

doi: 10.1016/0168-9002(95)00527-7
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1995HO03      Z.Phys. A350, 277 (1995)

S.Hofmann, V.Ninov, F.P.Hessberger, P.Armbruster, H.Folger, G.Munzenberg, H.J.Schott, A.G.Popeko, A.V.Yeremin, A.N.Andreyev, S.Saro, R.Janik, M.Leino

Production and Decay of 269Ds

NUCLEAR REACTIONS 208Pb(50Ti, X), E=4.52-5.1 MeV/nuclon; 208Pb(62Ni, X), E=311 MeV; 208Pb(58Fe, X), E not given; measured αα-coin, production σ for 269Ds.

RADIOACTIVITY 269Ds(α) [from 208Pb(62Ni, nX), E=311 MeV]; measured αα-coin; deduced T1/2, Eα.

doi: 10.1007/BF01291181
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1995HO04      Z.Phys. A350, 281 (1995)

S.Hofmann, V.Ninov, F.P.Hessberger, P.Armbruster, H.Folger, G.Munzenberg, H.J.Schott, A.G.Popeko, A.V.Yeremin, A.N.Andreyev, S.Saro, R.Janik, M.Leino

The New Element 111

NUCLEAR REACTIONS 208Bi(64Ni, X), E=318, 320 MeV; measured Eα, Iα; deduced production σ for 272Rg.

RADIOACTIVITY 268Mt, 264Bh, 272Rg(α) [from 209Bi(64Ni, X), E=318, 320 MeV]; measured Eα, T1/2; deduced α-decay chain to 260Db, 256Lr.

doi: 10.1007/BF01291182
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1995LE41      Nucl.Instrum.Methods Phys.Res. B99, 653 (1995)

M.Leino, J.Aysto, T.Enqvist, P.Heikkinen, A.Jokinen, M.Nurmia, A.Ostrowski, W.H.Trzaska, J.Uusitalo, K.Eskola, P.Armbruster, V.Ninov

Gas-Filled Recoil Separator for Studies of Heavy Elements

NUCLEAR REACTIONS 181Ta(35Cl, X), E=186, 193 MeV; measured Eα, Iα; deduced evidence for 210,211Th. Evaporation residue αα-decay chain.

RADIOACTIVITY 210Th(α) [from 181Ta(35Cl, X), E=193 MeV]; 206Ra(α) [from 210Th(α-decay)]; measured Eα, Iα. 210Th deduced Eα, T1/2.

doi: 10.1016/0168-583X(94)00573-7
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1995NI18      Nucl.Instrum.Methods Phys.Res. A357, 486 (1995)

V.Ninov, P.Armbruster, F.P.Hessberger, S.Hofmann, G.Munzenberg, Y.Fujita, M.Leino, A.Luttgen

Separation of Actinide-Made Transurania by a Gas-Filled Magnetic Separator

NUCLEAR REACTIONS 208Pb(22Ne, X), E=5.5 MeV/nucleon; 164Dy(40Ar, X), E=5.9 MeV/nucleon; 238U(20Ne, xn), E=5.7 MeV/nucleon; 238U(16O, xn), E not given; measured fragment spectra. Gas-filled magnetic separator.

doi: 10.1016/0168-9002(94)01701-8
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1995UU01      Phys.Rev. C52, 113 (1995)

J.Uusitalo, T.Enqvist, M.Leino, W.H.Trzaska, K.Eskola, P.Armbruster, V.Ninov

α Decay of the New Isotopes 210Th and 211Th

RADIOACTIVITY 210,211Th(α) [from 181Ta(35Cl, xn), E=199 MeV]; measured T1/2, Eα, Iα. Gas-filled magnetic recoil separator.

doi: 10.1103/PhysRevC.52.113
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1994BE24      Phys.Lett. 331B, 19 (1994)

M.Bernas, S.Czajkowski, P.Armbruster, H.Geissel, Ph.Dessagne, C.Donzaud, H.-R.Faust, E.Hanelt, A.Heinz, M.Hesse, C.Kozhuharov, Ch.Miehe, G.Munzenberg, M.Pfutzner, C.Rohl, K.-H.Schmidt, W.Schwab, C.Stephan, K.Summerer, L.Tassan-Got, B.Voss

Projectile Fission at Relativistic Velocities: A novel and powerful source of neutron-rich isotopes well suited for in-flight isotopic separation

NUCLEAR REACTIONS Pb(238U, F)86Ge/88As/89As/90Se/96Kr/103Y/104Y/105Y/106Zr/107Zr/108Nb/109Nb/110Nb/111Mo/112Mo/113Mo/114Tc/115Tc/116Ru/118Ru/118Rh/119Rh/120Rh/121Rh/121Pd/122Pd/123Pd/125Ag/126Ag/135Sn/136Sn/137Sn/137Sb/138Sb/139Sb/139Te/140Te/141Te/142Te/143I/144I/147Xe/151Ba/151La/152La/153La/153Ce/154Ce/155Ce, E at 750 MeV/nucleon; measured reaction products; deduced projectile fission fragment yields, production σ. Fragment separator, energy-loss, tof techniques.

doi: 10.1016/0370-2693(94)90937-7
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1994CZ02      Z.Phys. A348, 267 (1994)

S.Czajkowski, M.Bernas, P.Armbruster, H.Geissel, C.Kozhuharov, G.Munzenberg, D.Vieira, Ph.Dessagne, Ch.Miehe, E.Hanelt, G.Audi, J.K.P.Lee

Separation and Implantation of Relativistic 86Kr-Fragments at the FrS; Half-life measurement by ion-β time-correlations

RADIOACTIVITY 65Fe, 66Co(β-) [from 9Be(86Kr, X), E=500 MeV/nucleon]; measured T1/2. Identification by fragment separator.

doi: 10.1007/BF01305884
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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
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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 T1/2, Qα.

doi: 10.1007/BF01294627
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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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1991BE33      Phys.Rev.Lett. 67, 3661 (1991)

M.Bernas, P.Armbruster, S.Czajkowski, H.Faust, J.P.Bocquet, R.Brissot

Discovery of Neutron-Rich Co and Fe Isotopes in 239Pu(n(th), f): Yields and half-lives

NUCLEAR REACTIONS 239Pu(n, F), E=thermal; measured fission fragment mass, isotopic yields, (fragment)β(t). 69,68Co, 68Fe deduced T1/2.

doi: 10.1103/PhysRevLett.67.3661
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1990BE13      Z.Phys. A336, 41 (1990)

M.Bernas, P.Armbruster, J.P.Bocquet, R.Brissot, H.Faust, Ch.Kozhuharov, J.L.Sida

Beta-Decay Half-Lives of Neutron Rich Cu and Ni Isotopes Produced by Thermal Fission of 235U and 239Pu

NUCLEAR REACTIONS 235U, 239Pu(n, F), E=thermal; measured fission fragment elemental distributions; deduced evidence for 74,75Cu, 71,72,73Ni. Magnetic, electrostatic analysis.

RADIOACTIVITY 74,75Cu, 71,72,73Ni [from 235U, 239Pu(n, F), E=thermal]; measured β-decay T1/2. Model comparison. Planar Si detectors.


1990NI05      Z.Phys. A336, 473 (1990)

V.Ninov, F.P.Hessberger, P.Armbruster, S.Hofmann, G.Munzenberg, M.Leino, Y.Fujita, D.Ackermann, W.Morawek, A.Luttgen

Identification of Neutron-Deficient Isotopes 226,227Np

NUCLEAR REACTIONS 209Bi(22Ne, X), E=5.5 MeV/nucleon; measured αα(t); deduced evidence, production σ for 226,227Np.

RADIOACTIVITY 226,227Np(α) [from 209Bi(22Ne, X), E=5.5 MeV/nucleon]; measured αα(t), Eα, Iα; deduced T1/2, Q, decay features.


1989GA19      Nucl.Phys. A502, 561c (1989)

H.W.Gaggeler, D.T.Jost, A.Turler, P.Armbruster, W.Bruchle, H.Folger, F.P.Hessberger, S.Hofmann, G.Munzenberg, V.Ninov, W.Reisdorf, M.Schadel, K.Summerer, J.V.Kratz, U.Scherer, M.E.Leino

Cold Fusion Reactions with 48Ca

NUCLEAR REACTIONS 209Bi, 197Au, 184W, 180Hf, 208Pb(48Ca, n), (48Ca, 2n), E=4.3-4.8 MeV/nucleon; measured reaction σ. Extra-push model analysis.

doi: 10.1016/0375-9474(89)90689-1
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1989HE03      Nucl.Instrum.Methods Phys.Res. A274, 522 (1989)

F.P.Hessberger, S.Hofmann, G.Munzenberg, K.-H.Schmidt, P.Armbruster, R.Hingmann

Influence of Energy Summing of α-Particles and Conversion Electrons on the Shapes of α-Spectra in the Region of the Heaviest Nuclei

RADIOACTIVITY 215Th, 213Ra(α) [from 172Yb, 170Er(48Ca, X), E=4.7 MeV/nucleon; 170Er(50Ti, X), E=4.68 MeV/nucleon]; 255Rf(α) [from 207Pb(50Ti, 4n), E=4.85 MeV/nucleon]; 251No [from 255Lr(α-decay)]; 247Fm(α) [from 251No(α-decay)]; measured E(α), I(α), E X-ray, I X-ray, E(γ), I(γ), α(X-ray)-, αγ-coin. 251No, 247Fm, 255Rf, 243Cf levels deduced Eα, α-branching, reduced α-widths.

doi: 10.1016/0168-9002(89)90184-8
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1989HE13      Z.Phys. A333, 111 (1989)

F.P.Hessberger, H.Gaggeler, P.Armbruster, W.Bruchle, H.Folger, S.Hofmann, D.Jost, J.V.Kratz, M.E.Leino, G.Munzenberg, V.Ninov, M.Schadel, U.Scherer, K.Summerer, A.Turler, D.Ackermann

The New Nuclide 225U

NUCLEAR REACTIONS 180Hf(48Ca, X), E=4.24 MeV/nucleon; measured Eα, Iα; deduced evidence for 225U. Correlation techniques.

RADIOACTIVITY 225U(α) [from 180Hf(48Ca, X), E=4.24 MeV/nucleon]; measured Eα, Iα, T1/2. Correlation techniques.


1989HO12      Z.Phys. A333, 107 (1989)

S.Hofmann, P.Armbruster, G.Berthes, T.Faestermann, A.Gillitzer, F.P.Hessberger, W.Kurcewicz, G.Munzenberg, K.Poppensieker, H.J.Schott, I.Zychor

The New Nuclei 162Os and 156Ta and the N = 84 Alpha Emitting Isomers

RADIOACTIVITY 162Os, 158,158mW(α); measured Eα, T1/2. 155mLu(α); measured Eα. 156Ta(β+); measured T1/2 lower limit. Sources produced in 102Pd, 106Cd(58Ni, X) reactions.

NUCLEAR REACTIONS 102Pd(58Ni, 3np), E not given; measured residual production σ.


1989MU09      Z.Phys. A333, 163 (1989)

G.Munzenberg, P.Armbruster, S.Hofmann, F.P.Hessberger, H.Folger, J.G.Keller, V.Ninov, K.Poppensieker, A.B.Quint, W.Reisdorf, K.-H.Schmidt, J.R.H.Schneider, H.-J.Schott, K.Summerer, I.Zychor, M.E.Leino, D.Ackermann, U.Gollerthan, E.Hanelt, W.Morawek, D.Vermeulen, Y.Fujita, T.Schwab

Element 107

NUCLEAR REACTIONS 209Bi(54Cr, xn), E=4.87-5.07 MeV/nucleon; measured α-spectra; deduced evidence for 261,262,262mBh, formation σ, reaction σ(E).

RADIOACTIVITY 261,262,262mBh(α) [from 209Bi(54Cr, xn), E=4.87-5.07 MeV/nucleon]; measured α-spectra, αα-correlations, T1/2; deduced no SF-decay evidence.


1989MU17      Nucl.Instrum.Methods Phys.Res. A282, 28 (1989)

G.Munzenberg, F.P.Hessberger, W.Faust, H.Folger, S.Hofmann, K.-H.Schmidt, H.-J.Schott, P.Armbruster

On-Line Measurements of Target Properties in Experiments for the Investigation of the Heaviest Known Elements

NUCLEAR REACTIONS, ICPND 208Pb(50Ti, n), (50Ti, 2n), (50Ti, 3n), E(cm) ≈ 185-205 MeV; measured residues production σ vs E; deduced cold fusion evidence.

doi: 10.1016/0168-9002(89)90105-8
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1989PA02      Nucl.Phys. A491, 267 (1989)

Z.Patyk, A.Sobiczewski, P.Armbruster, K.-H.Schmidt

Shell Effects in the Properties of the Heaviest Nuclei

NUCLEAR STRUCTURE N=130-158; analyzed masses, α-decay T1/2, Eα, SF-barrier, T1/2 data; deduced shell effects role.

doi: 10.1016/0375-9474(89)90702-1
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1989SI22      Nucl.Phys. A502, 233c (1989)

J.L.Sida, P.Armbruster, M.Bernas, J.P.Bocquet, R.Brissot, H.R.Faust

Mass, Charge, and Energy Distributions in Very Asymmetric Thermal Fission of 235U

NUCLEAR REACTIONS 235U(n, F), E=thermal; measured fission fragment mass, charge, energy distributions; deduced fission features.

doi: 10.1016/0375-9474(89)90664-7
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1988GH01      Nucl.Instrum.Methods Phys.Res. A269, 192 (1988)

A.Ghiorso, S.Yashita, M.E.Leino, L.Frank, J.Kalnins, P.Armbruster, J.-P.Dufour, P.K.Lemmertz

SASSY, a Gas-Filled Magnetic Separator for the Study of Fusion Reaction Products

NUCLEAR REACTIONS 208Pb(48Ca, 2n), E ≈ 205-220 MeV; measured σ(E), Eα, Iα. Gas filled magnetic separator.

doi: 10.1016/0168-9002(88)90877-7
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1988MU15      Z.Phys. A330, 435 (1988)

G.Munzenberg, S.Hofmann, F.P.Hessberger, H.Folger, V.Ninov, K.Poppensieker, A.B.Quint, W.Reisdorf, H.-J.Schott, K.Summerer, P.Armbruster, M.E.Leino, D.Ackermann, U.Gollerthan, E.Hanelt, W.Morawek, Y.Fujita, T.Schwab, A.Turler

New Results on Element 109

NUCLEAR REACTIONS 209Bi(56Fe, X), E=5.17 MeV/nucleon; measured α(evaporation residue)(θ). 266Mt deduced T1/2, decay features.


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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1988TU07      Z.Phys. A331, 363 (1988)

A.Turler, H.W.Gaeggeler, D.T.Jost, P.Armbruster, W.Bruchle, H.Folger, F.P.Hessberger, S.Hofmann, G.Munzenberg, V.Ninov, M.Schadel, K.Summerer, J.V.Kratz, U.Scherer

Determination of the Partial Electron Capture- and Spontaneous-Fission Half-Lives of 254No

NUCLEAR REACTIONS 208Pb(48Ca, 2n), E not given; measured Eα, Iα; deduced evidence for 254No.

RADIOACTIVITY 254No(α), (EC), (SF) [from 208Pb(48Ca, 2n)]; measured α-, SF-activities; deduced partial T1/2. Radiochemical techniques.


1987AR21      Europhys.Lett. 4, 793 (1987)

P.Armbruster, M.Bernas, J.P.Bocquet, R.Brissot, H.R.Faust, P.Roussel

Identification of the New Neutron-Rich Isotopes 70-74Ni and 74-77Cu in Thermal Neutron Fission of 235U

NUCLEAR REACTIONS 235U(n, F)70Ni/71Ni/72Ni/73Ni/74Ni/74Cu/75Cu/76Cu/77Cu, E=thermal; measured fission fragment yields. Recoil separator, ΔE-E detection.

doi: 10.1209/0295-5075/4/7/006
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1987HE10      Europhys.Lett. 3, 895 (1987)

F.P.Hessberger, S.Hofmann, G.Munzenberg, A.B.Quint, K.Summerer, P.Armbruster

Observation of Two New Alpha Emitters with Z = 88

NUCLEAR REACTIONS 159Tb(51V, X), 171Yb(40Ar, X), 154Sm(58Fe, X), E not given; measured Eα, Iα, αα-energy correlation; deduced evidence for 207m,205Ra. 202,201,201m,203mRn, 207,207m,206,205Ra deduced α-decay T1/2.


1987MU10      Nucl.Instrum.Methods Phys.Res. B26, 294 (1987)

G.Munzenberg, P.Armbruster, G.Berthes, F.P.Hessberger, S.Hofmann, W.Reisdorf, K.-H.Schmidt, H.-J.Schott

The Experimential Work at the Velocity Filter SHIP - Results and Plans

NUCLEAR REACTIONS 164Dy(54Cr, γ), E=250 MeV; 96Ru(58Ni, X), E=261 MeV; measured evaporation residue energy spectra. 112,122Sn, 144,148,154Sm(40Ar, X), E(cm)=90-140 MeV; compiled fusion σ(E). 90Zr(90Zr, X), E=351, 360 MeV; 208Pb(54Cr, X), E not given; compiled α-, γ-spectra.

doi: 10.1016/0168-583X(87)90766-X
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1987MU15      Z.Phys. A328, 49 (1987)

G.Munzenberg, P.Armbruster, G.Berthes, H.Folger, F.P.Hessberger, S.Hofmann, J.Keller, K.Poppensieker, A.B.Quint, W.Reisdorf, K.-H.Schmidt, H.-J.Schott, K.Summerer, I.Zychor, M.E.Leino, R.Hingmann, U.Gollerthan, E.Hanelt

Observation of the Isotopes 264108 and 265108

COMPILATION 237,238,239,240,241,242,243,244,245,246Pu, 240,241,242,243,244,245,246,247,248,249,250Cm, 242,243,244,245,246,248,249,250,251,252,253,254Cf; compiled experimental, theoretical mass differences. 245,246,247,248,249,250,251,252,254,255,256,257Fm, 251,252,253,254,255,256,257,259No, 255Rf, 256Rf, 257Rf, 259Rf, 261Rf, 259Sg, 260Sg, 261Sg, 263Sg, 265Hs; compiled partial α-decay T1/2, Q(α), experimental, theoretical mass differences.

RADIOACTIVITY 264Hs, 265Hs(α) [from 207,208Pb(58Fe, n), E=5.04 MeV/nucleon]; measured Eα, Iα. 265Hs deduced α-decay T1/2, energy. 264Hs deduced α-decay T1/2.

NUCLEAR REACTIONS 207,208Pb(58Fe, n), E=5.04 MeV/nucleon; measured Eα, Iα; deduced evidence for 264Hs, 265Hs.


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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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22030.


1986HE28      J.Less-Common Met. 122, 445 (1986)

F.P.Hessberger, G.Munzenberg, S.Hofmann, P.Armbruster, Y.K.Agarwal, W.Reisdorf, K.Poppensieker, K.-H.Schmidt, J.R.H.Schneider, W.F.W.Schneider, H.J.Schott, C.-C.Sahm, D.Vermeulen, B.Thuma

Experiments on the Synthesis of Neutron-Deficient Isotopes with Atomic Numbers in the Region from Z = 102 to Z = 105

RADIOACTIVITY 258,257Db, 256,255Rf, 254,253Lr(α) [from 206,208Pb(48Ca, xn), E ≈ 15-30 MeV/nucleon; 207,208Pb, 209Bi(50Ti, xn), E=20-35 MeV/nucleon]; measured Eα, T1/2. 256,255Rf(SF); measured total kinetic energy release.

NUCLEAR REACTIONS 206,208Pb(48Ca, xn), E ≈ 15-30 MeV/nucleon; 207,208Pb, 209Bi(50Ti, xn)258Db/257Db/255Rf/256Rf/254Lr/253Lr, E ≈ 20-35 MeV/nucleon; measured evaporation residue, Z=104, 105, Lr isotope production σ(E).

doi: 10.1016/0022-5088(86)90440-6
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1986MU10      Z.Phys. A324, 489 (1986)

G.Munzenberg, P.Armbruster, G.Berthes, H.Folger, F.P.Hessberger, S.Hofmann, K.Poppensieker, W.Reisdorf, B.Quint, K.-H.Schmidt, H.-J.Schott, K.Summerer, I.Zychor, M.E.Leino, U.Gollerthan, E.Hanelt

Evidence for 264108, the Heaviest Known Even-Even Isotope

RADIOACTIVITY 264Hs(α) [from 207Pb(58Fe, X), E=5.04 MeV/nucleon]; measured Eα, Iα; deduced Qα, T1/2, mass excess.

NUCLEAR REACTIONS 207Pb(58Fe, X)264Hs, E=5.04 MeV/nucleon; measured Eα, Iα following fusion evaporation residue decay; deduced evidence for 264Hs production σ lower limit.


1985AR02      Phys.Rev.Lett. 54, 406 (1985)

P.Armbruster, Y.K.Agarwal, W.Bruchle, M.Brugger, J.P.Dufour, H.Gaggeler, F.P.Hessberger, S.Hofmann, P.Lemmertz, G.Munzenberg, K.Poppensieker, W.Reisdorf, M.Schadel, K.-H.Schmidt, J.H.R.Schneider, W.F.W.Schneider, K.Summerer, D.Vermeulen, G.Wirth, A.Ghiorso, K.E.Gregorich, D.Lee, M.Leino, K.J.Moody, G.T.Seaborg, R.B.Welch, P.Wilmarth, S.Yashita, C.Frink, N.Greulich, G.Herrmann, U.Hickmann, N.Hildebrand, J.V.Kratz, N.Trautmann, M.M.Fowler, D.C.Hoffman, W.R.Daniels, H.R.von Gunten, H.Dornhofer

Attempts to Produce Superheavy Elements by Fusion of 48Ca with 248Cm in the Bombarding Energy Range of 4.5-5.2 MeV/u

NUCLEAR REACTIONS 248Cm(48Ca, X), E=4.5-5.2 MeV/nucleon; measured superheavy production σ upper limits vs T1/2. Different separation techniques.

doi: 10.1103/PhysRevLett.54.406
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1985AR26      Ann.Rev.Nucl.Part.Sci. 35, 135 (1985)

P.Armbruster

On the Production of Heavy Elements by Cold Fusion: The Elements 106 to 109

COMPILATION Z=106-109; compiled, evaluated production σ, T1/2 data.

doi: 10.1146/annurev.ns.35.120185.001031
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1985HE06      Z.Phys. A321, 317 (1985)

F.P.Hessberger, G.Munzenberg, S.Hofmann, W.Reisdorf, K.H.Schmidt, H.J.Schmidt, P.Armbruster, R.Hingmann, B.Thuma, D.Vermeulen

Study of Evaporation Residues Produced in Reaction of 207,208Pb with 50Ti

RADIOACTIVITY 255Rf, 256Rf(SF), (α), 257Rf(α) [from 208,207Pb(50Ti, xn), E=4.75, 4.85 MeV/nucleon]; measured Eα, Iα, α-, SF-decay T1/2, α-branching.

NUCLEAR REACTIONS 208Pb(50Ti, n), (50Ti, 2n), (50Ti, 3n), 207Pb(50Ti, n), (50Ti, 2n), E=4.75, 4.85 MeV/nucleon; measured evaporation residue σ, σ(Eα); deduced reaction mechanism, residue SF activity.


1985HE22      Z.Phys. A322, 557 (1985)

F.P.Hessberger, G.Munzenberg, S.Hofmann, Y.K.Agarwal, K.Poppensieker, W.Reisdorf, K.-H.Schmidt, J.R.H.Schneider, W.F.W.Schneider, H.J.Schott, P.Armbruster, B.Thuma, C.-C.Sahm, D.Vermeulen

The New Isotopes 258105, 257105, 254Lr and 253Lr

RADIOACTIVITY 258Db, 257Db, 253,254Lr(α) [from 209Bi(50Ti, X), E=4.65-4.95 MeV/nucleon]; measured Eα, Iα, T1/2. 258Rf(SF) [from 258Db(EC-decay)]; measured T1/2, fission fragment total kinetic energy.

NUCLEAR REACTIONS 209Bi(50Ti, X), E=4.65-4.95 MeV/nucleon; measured Eα, Iα, evaporation residue σ(E) for one-, two-neutron emission; deduced evidence for 258Db, 257Db, 253,254Lr.


1985HO29      Nucl.Phys. A447, 335c (1985)

S.Hofmann, P.Armbruster, G.Munzenberg, W.Reisdorf, K.-H.Schmidt, H.G.Burkhard, F.P.Hessberger, H.-J.Schott, Y.K.Agarwal, G.Berthes, U.Gollerthan, H.Folger, R.Hingmann, J.G.Keller, M.E.Leino, P.Lemmertz, M.Montoya, K.Poppensieker, B.Quint, I.Zychor

The Influence of the Surprising Decay Properties of Element 108 on Search Experiments for New Elements

RADIOACTIVITY 260Sg(α) [from 208Pb(54Cr, 2n), E=4.92 MeV/nucleon]; measured T1/2; deduced SF(T1/2) limit, branching ratio. 256Rf(SF) [from 260Sg(α-decay)]; measured T1/2. 260Sg, 256Rf deduced mass excess.

doi: 10.1016/0375-9474(86)90615-9
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