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Search: Author = H.Folger

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2000ST19      Eur.Phys.J. A 8, 87 (2000)

K.E.Stiebing, K.A.Muller, J.Baumann, K.Bethge, J.Bernhardt, H.Bokemeyer, H.Folger, O.Frohlich, O.Hohn, G.Kavermann, G.Lambrinidis, A.Muller, J.Peter, S.Runkel, L.Schmidt, H.Schmidt-Bocking, P.Senger, P.Thee, J.Ullrich

On the Spectroscopy of Atomic Electrons (Positrons) in the Energy Range of 10 to 50 MeV from Heavy-Ion Collisions at Intermediate Energies

NUCLEAR REACTIONS Pb(Pb, X), E=60 MeV/nucleon; calculated electron, positron spectra, detector design characteristics. Monte Carlo simulations.

RADIOACTIVITY ¹²B(β^-) [from ¹¹B(d, p)]; measured Eβ, Iβ. Test of prototype detector.

doi: 10.1007/s100500070122
Citations: PlumX Metrics

1997AN02      Yad.Fiz. 60, No 1, 5 (1997); Phys.Atomic Nuclei 60, 1 (1997)

A.N.Andreyev, D.D.Bogdanov, A.V.Yeremin, A.P.Kabachenko, O.N.Malyshev, A.G.Popeko, R.N.Sagaidak, G.M.Ter-Akopian, V.I.Chepigin, V.Ninov, S.Hofmann, F.P.Hessberger, H.Folger, S.Saro

Cross Sections for the Formation of Evaporation Products in ²⁴Mg + ¹⁹⁷Au and ⁵¹V + ¹⁷⁰Er Interactions

NUCLEAR REACTIONS, ICPND ¹⁷⁰Er(⁵¹V, 4n), (⁵¹V, 5n), (⁵¹V, 6n), (⁵¹V, 7n), (⁵¹V, 3np), (⁵¹V, 4np), (⁵¹V, 5np), (⁵¹V, 6np), (⁵¹V, 7np), (⁵¹V, 3nα), (⁵¹V, 4nα), (⁵¹V, 5nα), (⁵¹V, 6nα), (⁵¹V, 7nα), E not given; ¹⁹⁷Au(²⁴Mg, 4n), (²⁴Mg, 5n), (²⁴Mg, 6n), (²⁴Mg, 3np), (²⁴Mg, 4np), (²⁴Mg, 5np), (²⁴Mg, 6np), (²⁴Mg, 7np), (²⁴Mg, 3nα), (²⁴Mg, 4nα), (²⁴Mg, 5nα), (²⁴Mg, 6nα), (²⁴Mg, 7nα), E=140-176 MeV; measured residuals production σ vs compound nucleus excitation; deduced dinuclear system evolution related features.

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, T_1/2. 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
Citations: PlumX Metrics

1996AN21      Bull.Rus.Acad.Sci.Phys. 60, 119 (1996)

A.N.Andreev, A.G.Popeko, A.V.Eremin, S.Hofmann, F.Hessberger, H.Folger, V.Ninov, S.Saro

Production and Decay Properties of Light Protactinium Isotope Nuclei

NUCLEAR REACTIONS, ICPND ¹⁷⁰Er(⁵¹V, 3n), (⁵¹V, 4n), (⁵¹V, 5n), (⁵¹V, 6n), (⁵¹V, 7n), (⁵¹V, 8n), (⁵¹V, 3np), (⁵¹V, 4np), (⁵¹V, 5np), (⁵¹V, 6np), (⁵¹V, 7np), (⁵¹V, 2nα), (⁵¹V, 3nα), (⁵¹V, 4nα), (⁵¹V, 5nα), (⁵¹V, 6nα), (⁵¹V, 7nα), E not given; measured residuals production σ vs excitation energy, αα-correlation spectra, Eα, Iα; deduced evidence for ^213,214Pa.

RADIOACTIVITY ^{213,214,215,216,217,217m,218}Pa(α) [from ¹⁷⁰Er(⁵¹V, xn), (⁵¹V, xnp), (⁵¹V, xnα), E not given]; measured Eα, α-branching, T_1/2, αα-correlation spectrum.

1996DE11      Phys.Rev. C53, 1266 (1996)

S.Deylitz, B.D.Valnion, K.El Abiary, J.de Boer, N.Gollwitzer, R.Hertenberger, G.Graw, R.Kulessa, Ch.Briancon, D.Le Du, R.Meunier, M.Hussonnois, O.Constantinescu, S.Fortier, J.B.Kim, L.H.Rosier, G.Rotbard, Yu.Ts.Oganessian, S.A.Karamian, H.J.Wollersheim, H.Folger, J.Gerl, Th.Happ, C.Hategan

Inelastic Deuteron Scattering from the High-Spin Isomer ^178mHf² (16⁺)

NUCLEAR REACTIONS ¹⁷⁸Hf(d, d'), E=22 MeV; measured deuteron spectra, σ(θ). ¹⁷⁸Hf deduced possible level, J, π. Target in isomeric state.

doi: 10.1103/PhysRevC.53.1266
Citations: PlumX Metrics

1996DE51      Phys.Lett. 388B, 235 (1996)

F.W.N.de Boer, O.Frohlich, K.E.Stiebing, K.Bethge, H.Bokemeyer, A.Balanda, A.Buda, R.van Dantzig, Th.W.Elze, H.Folger, J.van Klinken, K.A.Muller, K.Stelzer, P.Thee, M.Waldschmidt

A Deviation in Internal Pair Conversion

NUCLEAR REACTIONS ⁷Li, ¹¹B(p, e⁺e^-), E not given; measured sum energy spectra, pairs yield, e⁺e^-(θ). ¹²C, ⁸Be transition deduced M1 angular correlation deviates from internal pair conversion.

doi: 10.1016/S0370-2693(96)01311-1
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1996GA31      Phys.Lett. 389B, 4 (1996)

R.Ganz, R.Bar, A.Balanda, J.Baumann, W.Berg, K.Bethge, A.Billmeier, H.Bokemeyer, H.Fehlhaber, H.Folger, J.Foryciar, O.Frohlich, O.Hartung, M.Rhein, M.Samek, P.Salabura, W.Schon, D.Schwalm, K.E.Stiebing, P.Thee, and the EPoS II Collaboration

Search for e⁺e^- Pairs with Narrow Sum-Energy Distributions in Heavy-Ion Collisions

NUCLEAR REACTIONS ¹⁸¹Ta(²³⁸U, X), E=5.92-6.06 MeV/nucleon; ²³²Th(²³⁸U, X), E=5.68-5.95 MeV/nucleon; measured e⁺e^- sum-energy spectra, σ(θ).

doi: 10.1016/S0370-2693(96)01286-5
Citations: PlumX Metrics

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, T_1/2, two paralled running decay chain evidence.

doi: 10.1007/s002180050036
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0893.

1996LU07      Z.Phys. A355, 377 (1996)

E.Lubkiewicz, H.J.Wollersheim, R.Kulessa, Ch.Briancon, W.Bruchle, O.Constantinescu, M.Debowski, E.Ditzel, H.Folger, J.Gerl, F.Hannachi, T.Happ, M.Hussonnois, E.Jager, S.Karamyan, M.Kaspar, Th.Kroll, Yu.Ts.Oganessian, I.Peter, H.Schaffner, S.Schremmer, R.Schubert, N.Trautmann, K.Vetter, G.Zauner

Coulomb Excitation of the K(π) = 16⁺ Rotational Band in ¹⁷⁸Hf

NUCLEAR REACTIONS ^{176,177,179,178}Hf(²⁰⁸Pb, ²⁰⁸Pb'), E=4.77 MeV/nucleon; measured Eγ, Iγ, (particle)(particle)γ-coin following Coulomb excitation. ¹⁷⁸Hf deduced level, J, π, intrinsic quadrupole moment. Rigid rotor model. Stable Hf targets, ¹⁷⁸Hf target in a high-spin isomeric state.

doi: 10.1007/s002180050125
Citations: PlumX Metrics

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, T_1/2.

doi: 10.1007/s002180050141
Citations: PlumX Metrics

1996SA52      Nucl.Instrum.Methods Phys.Res. A381, 520 (1996)

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

Large Size Foil-Microchannel Plate Timing Detectors

NUCLEAR REACTIONS ²⁰⁸Pb(⁷⁰Zn, X), E not given; measured residual nuclei energy vs flight time; deduced detector characteristics. Multistrip Si array, kinematic separator, tof.

doi: 10.1016/S0168-9002(96)00651-1
Citations: PlumX Metrics

1995BA11      Nucl.Phys. A583, 237c (1995)

R.Bar, A.Balanda, J.Baumann, W.Berg, K.Bethge, H.Bokemeyer, H.Folger, O.Frohlich, R.Ganz, O.Hartung, M.Samek, P.Salabura, W.Schon, D.Schwalm, K.Stiebing, P.Thee, E.Berdermann, F.Heine, S.Heinz, O.Joeres, P.Kienle, I.Koenig, W.Koenig, C.Kozhuharov, U.Leinberger, A.Schroter, H.Tsertos, and the EPOS/ORANGE Collaborations

Experiments on e⁺e^--Line Emission in HI Collisions

NUCLEAR REACTIONS ²³⁸U, ^206,208Pb, ¹⁸¹Ta, ²³²Th(²³⁸U, X), E not given; measured pair-production sum-energy lines. ²⁰⁹Bi(²⁰⁸Pb, X), E=6.5, 6.9 MeV/nucleon; ²⁰⁶Pb(²³⁸U, X), E=5.8 MeV/nucleon; measured Doppler shifted Eγ, Iγ in pair production.

doi: 10.1016/0375-9474(94)00666-B
Citations: PlumX Metrics

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, ^{204,206,207,208}Pb and ²⁰⁹Bi Target Wheels for Reaction Studies and Synthesis of Heaviest Elements

doi: 10.1016/0168-9002(95)00527-7
Citations: PlumX Metrics

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 T_1/2, Eα.

doi: 10.1007/BF01291181
Citations: PlumX Metrics

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, T_1/2; deduced α-decay chain to ²⁶⁰Db, ²⁵⁶Lr.

doi: 10.1007/BF01291182
Citations: PlumX Metrics

1995NI05      Z.Phys. A351, 125 (1995)

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

Identification of the Neutron-Deficient Isotopes ^213,214Pa

NUCLEAR REACTIONS ¹⁷⁰Er(⁵¹V, X), E=5.2-5.6 MeV/nucleon; measured Eα, Iα; deduced evidence for ^213,214Pa.

RADIOACTIVITY ^213,214Pa(α) [from ¹⁵⁰Er(⁵¹V, X), E=5.2-5.6 MeV/nucleon]; measured Eα, Iα, αα-correlation; deduced Q(α), T_1/2.

doi: 10.1007/BF01289518
Citations: PlumX Metrics

1995SA31      Z.Phys. A351, 247 (1995)

A.F.Saad, C.T.Zhang, R.Collatz, P.Kleinheinz, R.Menegazzo, R.Broda, K.H.Maier, H.Grawe, M.Schramm, R.Schubart, M.Lach, J.Heese, J.Eberth, W.Krolas, S.Hofmann, H.Folger, J.Blomqvist

Shell Model Yrast States in the Many-Particle Nucleus ₇₂¹⁵⁷Hf₈₅

NUCLEAR REACTIONS ¹⁰⁶Cd(⁵⁴Fe, n2p), E=255 MeV; ¹⁰²Pd(⁵⁸Ni, n2p), E > Coulomb barrier; measured γγ-, γγn-, γ(X-ray)-coin. ¹⁵⁷Hf deduced high-spin levels, J, π, configuration, isomer, T_1/2. Shell model comparison.

doi: 10.1007/BF01290905
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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
Citations: PlumX Metrics

1994PO24      Z.Phys. A350, 221 (1994)

S.Polikanov, W.Bruchle, H.Folger, E.Jager, T.Krogulski, M.Schadel, E.Schimpf, G.Wirth, T.Aumann, J.V.Kratz, E.Stiel, N.Trautmann

Electromagnetic and Nuclear Fission of ²³⁸U in the Reaction of 100, 500, and 1000A.MeV ²⁰⁸Pb with ²³⁸U

NUCLEAR REACTIONS, ICPND ²³⁸U(²⁰⁸Pb, F), (²³⁸U, F), E=100-1000 MeV/nucleon; measured electromagnetic, nuclear fission fragment velocity distributions; deduced fission σ(E) for the two processes.

doi: 10.1007/BF01289586
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1994SC42      Nucl.Instrum.Methods Phys.Res. B90, 36 (1994)

C.Scheidenberger, H.Geissel, Th.Stohlker, H.Folger, H.Irnich, C.Kozhuharov, A.Magel, P.H.Mokler, R.Moshammer, G.Munzenberg, F.Nickel, M.Pfutzner, P.Rymuza, W.Schwab, J.Ullrich, B.Voss

Charge States and Energy Loss of Relativistic Heavy Ions in Matter

NUCLEAR REACTIONS C, ²⁷Al, Ni(²⁰⁹Bi, X), E=82 MeV/nucleon; measured X-ray spectra. C, Ni(²⁰⁹Bi, X), (¹⁹⁷Au, X), E=80-1000 MeV/nucleon; measured total EC-capture σ vs E, ionization σ. Solid, gaseous media.

doi: 10.1016/0168-583X(94)95506-9
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1994WA23      Phys.Rev. C50, 2768 (1994)

J.Wauters, N.Bijnens, H.Folger, M.Huyse, H.Y.Hwang, R.Kirchner, J.von Schwarzenberg, P.Van Duppen

Alpha Decay of ¹⁸⁶Pb and ¹⁸⁴Hg: The influence of mixing of 0⁺ states on α-decay transition probabilities

RADIOACTIVITY ¹⁸⁶Pb(α) [from ¹⁴⁴Nd(⁴⁶Ti, 4n), E=5 MeV/nucleon]; ¹⁸⁴Hg(α) [from ¹⁴⁸Nd(⁴⁰Ca, 4n), E=5 MeV/nucleon]; measured Eα, Iα, T_1/2, α(e)(t), α(X-ray)(t). ¹⁸²Hg, ¹⁸⁰Pt deduced α-decay hindrance factors, 0⁺ states excitation energies, mixing.

doi: 10.1103/PhysRevC.50.2768
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1993JU02      Nucl.Phys. A553, 309c (1993)

M.Jung, F.Bosch, K.Beckert, H.Eickhoff, H.Folger, B.Franzke, A.Gruber, P.Kienle, O.Klepper, W.Koenig, C.Kozhuharov, R.Mann, R.Moshammer, F.Nolden, U.Schaaf, G.Soff, P.Spadtke, M.Steck, Th.Stohlker, K.Summerer

First Observation of Bound State β^- Decay

RADIOACTIVITY ¹⁶³Dy(β^-); measured bound state β-decay T_1/2. Bare ¹⁶³Dy ions stored in heavy-ion storage ring.

doi: 10.1016/0375-9474(93)90631-7
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1992FU01      Phys.Rev. C45, 993 (1992)

Y.Fujita, T.Shimoda, H.Miyatake, N.Takahashi, M.Fujiwara, S.Morinobu, T.Yamagata, J.Takamatsu, A.Terakawa, H.Folger

Observation of the Low-Energy Octupole Resonance in ²⁰⁸Pb by Inelastic α Scattering

NUCLEAR REACTIONS ²⁰⁸Pb(α, α'), E=70 MeV; measured σ(θ). ²⁰⁸Pb levels deduced L-assignment, EWSR fractions, isoscalar nature of low energy octupole resonance. Enriched target, DWBA analysis, comparison with (p, p') data.

doi: 10.1103/PhysRevC.45.993
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1376.

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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1992HA14      Z.Phys. A342, 111 (1992)

H.Hanscheid, P.David, H.Folger, J.Konijn, C.T.A.M.de Laat, C.Petitjean, H.W.Reist, F.Risse, Ch.Rosel, L.A.Schaller, L.Schellenberg, W.Schrieder, L.M.Simons, A.Taal

Nuclear Excitation and Prompt Fission in Muonic ²³⁸U

NUCLEAR REACTIONS ²³⁸U(μ^-, F), E at 43 MeV/c; measured fission (fragment)γ-, γγ-, muonic (X-ray)(fragment)-coin, (X-ray)(fragment)(t); deduced fission barrier augmentation, nonradiative transitions role, fission probabilities.

ATOMIC PHYSICS, Mesic-Atoms ²³⁸U(μ^-, F), E at 42 MeV/c; measured fission (fragment)γ-, γγ-, muonic (X-ray)(fragment)-coin, (X-ray)(fragment)(t); deduced fission barrier augmentation, nonradiative transitions role, fission probabilities.

1992JU01      Phys.Rev.Lett. 69, 2164 (1992)

M.Jung, F.Bosch, K.Beckert, H.Eickhoff, H.Folger, B.Franzke, A.Gruber, P.Kienle, O.Klepper, W.Koenig, C.Kozhuharov, R.Mann, R.Moshammer, F.Nolden, U.Schaaf, G.Soff, P.Spadtke, M.Steck, Th.Stohlker, K.Summerer

First Observation of Bound-State β^- Decay

RADIOACTIVITY ¹⁶³Dy(β^-); measured bound state β-decay T_1/2; deduced ν(e) mass bounds. ¹⁶³Ho deduced Q(EC) bounds. Fully stripped ¹⁶³Dy source, heavy ion storage ring.

doi: 10.1103/PhysRevLett.69.2164
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1991RO10      Z.Phys. A340, 199 (1991)

Ch.Rosel, P.David, H.Folger, H.Hanscheid, J.Konijn, C.T.A.M.de Laat, C.Petitjean, H.W.Reist, F.Risse, L.A.Schaller, L.Schellenberg, W.Schrieder, L.M.Simons, A.K.Sinha, A.Taal

Radiationless Transition Probabilities in Muonic ²⁰⁸Pb, ²³²Th, and ²³⁸U

NUCLEAR REACTIONS ²⁰⁸Pb, ²³²Th, ²³⁸U(μ^-, γ), (μ^-, X), E at 42-54 MeV/c; measured γγ-coin, X-ray spectra, Eγ, Iγ. ²⁰⁸Pb, ²³²Th, ²³⁸U deduced nonradiative transition probabilities.

ATOMIC PHYSICS, Mesic-Atoms ²⁰⁸Pb, ²³²Th, ²³⁸U(μ^-, γ), (μ^-, X), E at 42-54 MeV/c; measured γγ-coin, X-ray spectra, Eγ, Iγ. ²⁰⁸Pb, ²³²Th, ²³⁸U deduced nonradiative transition probabilities.

1991SC06      Nucl.Phys. A522, 610 (1991)

W.-D.Schmidt-Ott, F.Meissner, P.Koschel, U.Bosch-Wicke, R.Kirchner, O.Klepper, H.Folger, E.Roeckl, A.Plochocki, K.Rykaczewski, Z.Preibisz

Neutron-Rich Isotope Production in Reactions of ⁵⁰Ti with (nat)W and ²³⁸U and in Fission of ²³⁸U with 13 MeV/u ²⁰Ne

NUCLEAR REACTIONS ²³⁸U(⁵⁰Ti, X), E=6.2, 6.8 MeV/nucleon; W(⁵⁰Ti, X), E=13.5 MeV/nucleon; ²³⁸U(²⁰Ne, F), E=13 MeV/nucleon; measured fission, multi-nucleon transfer fragment isotopic yields; deduced reaction characteristics.

doi: 10.1016/0375-9474(91)90084-J
Citations: PlumX Metrics

1989BO40      Nucl.Instrum.Methods Phys.Res. A282, 40 (1989)

H.Bokemeyer, H.Folger

The Part of Targets in Heavy-Ion Positron Spectroscopy

NUCLEAR REACTIONS ²⁰⁸Pb(¹³⁶Xe, X), E=4.3 MeV/nucleon; ²⁴⁸Cm(²⁰⁸Pb, X), E=5.4 MeV/nucleon; measured X-ray spectra. ²⁴⁸Cm(²³⁸U, X), E=6.05 MeV/nucleon; ²⁴⁸Cm(²³²Th, X), E=6.02 MeV/nucleon; ²³⁸U(²³⁸U, X), E=5.88 MeV/nucleon; ²³⁸U(²³²Th, X), E=5.83 MeV/nucleon; ²³²Th(²³²Th, X), E=5.75 MeV/nucleon; ¹⁸¹Ta(²³²Th, X), E=5.78 MeV/nucleon; measured β⁺ spectra.

doi: 10.1016/0168-9002(89)90107-1
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1989BU09      Z.Phys. A333, 131 (1989)

D.G.Burke, H.Folger, H.Gabelmann, E.Hagebo, P.Hill, P.Hoff, O.Jonsson, N.Kaffrell, W.Kurcewicz, G.Lovhoiden, K.Nybo, G.Nyman, H.Ravn, K.Riisager, J.Rogowski, K.Steffensen, T.F.Thorsteinsen, and the ISOLDE Collaboration

New Neutron-Rich Isotopes of Astatine and Bismuth

RADIOACTIVITY ^{218,219,220,221,222,223}At [from ²³²Th(p, X), E=600 MeV]; measured βγ-coin, β-activity, K X-ray spectra; deduced T_1/2. ²¹⁶Bi [from ²²⁰At(α-decay)]; measured α-spectra; deduced T_1/2, Qα, α-branching ratio.

NUCLEAR REACTIONS ²³²Th(p, X), E=600 MeV; measured At isotope production rates.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0004.

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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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, T_1/2. Correlation techniques.

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, T_1/2; 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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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 T_1/2, decay features.

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 T_1/2. Radiochemical techniques.

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 ^{237,238,239,240,241,242,243,244,245,246}Pu, ^{240,241,242,243,244,245,246,247,248,249,250}Cm, ^{242,243,244,245,246,248,249,250,251,252,253,254}Cf; compiled experimental, theoretical mass differences. ^{245,246,247,248,249,250,251,252,254,255,256,257}Fm, ^{251,252,253,254,255,256,257,259}No, ²⁵⁵Rf, ²⁵⁶Rf, ²⁵⁷Rf, ²⁵⁹Rf, ²⁶¹Rf, ²⁵⁹Sg, ²⁶⁰Sg, ²⁶¹Sg, ²⁶³Sg, ²⁶⁵Hs; compiled partial α-decay T_1/2, 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 T_1/2, energy. ²⁶⁴Hs deduced α-decay T_1/2.

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

1986KR02      Phys.Rev. C33, 504 (1986)

J.V.Kratz, W.Bruchle, H.Folger, H.Gaggeler, M.Schadel, K.Summerer, G.Wirth, N.Greulich, G.Herrmann, U.Hickmann, P.Peuser, N.Trautmann, E.K.Hulet, R.W.Lougheed, J.M.Nitschke, R.L.Ferguson, R.L.Hahn

Search for Superheavy Elements in Damped Collisions between ²³⁸U and ²⁴⁸Cm

NUCLEAR REACTIONS ²⁴⁸Cm(²³⁸U, X), E=6.2-7.3 MeV/nucleon; measured SF-fission fragment kinetic energies, neutron multiplicities; deduced superheavy nuclei production σ upper limit. Chemical separation, spontaneous fission counting.

doi: 10.1103/PhysRevC.33.504
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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, T_1/2, 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.

1986SC12      Z.Phys. A323, 489 (1986)

B.Schwartz, Ch.Ender, D.Habs, D.Schwalm, M.Dahlinger, E.Kankeleit, H.Folger, R.S.Simon, H.Backe

In-Beam Spectroscopy of ²²⁴Th

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁸O, 2n), E=78 MeV; measured I(ce), γ(ce)-, γ(recoil nucleus)-coin. ²²⁴Th deduced levels, J, π, γ-branching, B(λ), E1, E2 competition.

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 T_1/2; deduced SF(T_1/2) limit, branching ratio. ²⁵⁶Rf(SF) [from ²⁶⁰Sg(α-decay)]; measured T_1/2. ²⁶⁰Sg, ²⁵⁶Rf deduced mass excess.

doi: 10.1016/0375-9474(86)90615-9
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1985MU11      Z.Phys. A322, 227 (1985)

G.Munzenberg, S.Hofmann, H.Folger, F.P.Hessberger, J.Keller, K.Poppensieker, B.Quint, W.Reisdorf, K.-H.Schmidt, H.J.Schott, P.Armbruster, M.E.Leino, R.Hingmann

The Isotopes of ²⁵⁹106, ²⁶⁰106, and ²⁶¹106

NUCLEAR REACTIONS ²⁰⁸Pb(⁵⁴Cr, n), (⁵⁴Cr, 2n), E=257, 263, 268 MeV; ²⁰⁷Pb(⁵⁴Cr, n), (⁵⁴Cr, 2n), E=262 MeV; measured Eα, Iα, αα-correlation; deduced evidence for ²⁵⁹Sg, ²⁶⁰Sg, ²⁶¹Sg.

RADIOACTIVITY ²⁶¹Sg(α) [from ²⁰⁸Pb(⁵⁴Cr, n), E=257-268 MeV]; measured Eα, Iα, T_1/2; deduced α-branching ratio. ²⁶⁰Sg(α) [from ^207,208Pb(⁵⁴Cr, xn), E=257-268 MeV]; measured Eα, Iα; deduced α-branching ratio, shell effects. ²⁵⁶Rf(SF) [from ²⁶⁰Sg(α-decay)]; measured T_1/2. ²⁵⁹Sg(α) [from ²⁰⁷Pb(⁵⁴Cr, 2n), E=262 MeV]; measured Eα, Iα, T_1/2.

1984MU17      Z.Phys. A317, 235 (1984)

G.Munzenberg, P.Armbruster, H.Folger, F.P.Hessberger, S.Hofmann, J.Keller, K.Poppensieker, W.Reisdorf, K.-H.Schmidt, H.-J.Schott, M.E.Leino, R.Hingmann

The Identification of Element 108

RADIOACTIVITY ²⁶⁵Hs(α) [from ²⁰⁸Pb(⁵⁶Fe, n)]; measured T_1/2, Eα. Correlated decay study of ²⁶¹Sg, ²⁵⁷Rf, surface barrier detectors.

NUCLEAR REACTIONS ²⁰⁸Pb(⁵⁶Fe, n), E=5.02 MeV/nucleon; measured Eα; deduced evidence for ²⁶⁵Hs, production σ. Correlated decay study of ²⁶¹Sg, ²⁵⁷Rf, surface barrier detectors.

1984ZY01      Nucl.Phys. A414, 301 (1984)

I.Zychor, K.Rykaczewski, W.Kurcewicz, H.Ahrens, H.Folger, N.Kaffrell, N.Trautmann

Hafnium and Lutetium Isotopes Produced in Heavy-Ion Collisions of 7.6 MeV/u ⁴⁰Ar, 8.5 MeV/u ⁸⁴Kr and 8.5 MeV/u ¹³⁶Xe on Tungsten Targets

NUCLEAR REACTIONS W(⁴⁰Ar, X), E=7.6 MeV/nucleon; W(⁸⁴Kr, X), E=8.5 MeV/nucleon; W, ¹⁸⁶W(¹³⁶Xe, X), E=8.5 MeV/nucleon; measured production σ for Hf, Lu isotopes. Chemical separation, γ-ray spectroscopy techniques.

doi: 10.1016/0375-9474(84)90646-8
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1983ZY02      Radiochim.Acta 33, 1 (1983)

I.Zychor, K.Rykaczewski, H.Ahrens, H.Folger, W.Kurcewicz, K.Summerer, N.Kaffrell, N.Trautmann

Hafnium and Lutetium Isomers Produced in Heavy-Ion Collisions of 7.6 MeV/u ⁴⁰Ar, 8.5 MeV/u ⁸⁴Kr and 8.5 MeV/u ¹³⁶Xe on (nat)W Targets

NUCLEAR REACTIONS W(⁴⁰Ar, X), E=7.6 MeV/nucleon; W(⁸⁴Kr, X), (¹³⁶Xe, X)¹⁷⁷Hf/¹⁷⁸Hf/¹⁷⁹Hf/¹⁸⁰Hf/¹⁸²Hf/¹⁶⁸Lu/¹⁷⁴Lu/¹⁷⁷Lu/¹⁷⁸Lu, E=8.5 MeV/nucleon; measured Eγ, Iγ, γγ-coin; deduced residuals isomer production σ, no evidence for new T_1/2 > 2 min isomers.

doi: 10.1524/ract.1983.33.1.1
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1982ST09      Nucl.Phys. A383, 429 (1982)

J.Stachel, N.Kaffrell, E.Grosse, H.Emling, H.Folger, R.Kulessa, D.Schwalm

Triaxiality and Its Dynamics in ¹⁰⁴Ru Investigated by Multiple Coulomb Excitation

NUCLEAR REACTIONS ¹⁰⁴Ru(²⁰⁸Pb, ²⁰⁸Pb'), E=4.6 MeV/nucleon; measured σ(Eγ, θγ, θp), γγ-coin, Coulomb excitation. ¹⁰⁴Ru deduced levels, J, B(E2), quadrupole moment. Enriched targets.

doi: 10.1016/0375-9474(82)90086-0
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1980GA24      Phys.Rev.Lett. 45, 1824 (1980)

H.Gaggeler, N.Trautmann, W.Bruchle, G.Herrmann, J.V.Kratz, P.Peuser, M.Schadel, G.Tittel, G.Wirth, H.Ahrens, H.Folger, G.Franz, K.Summerer, M.Zendel

Search for Superheavy Elements in the ²³⁸U +²³⁸U Reaction

NUCLEAR REACTIONS, Fission ²³⁸U(²³⁸U, X), (²³⁸U, F), E=8.6 MeV/nucleon; measured fragment E, spontaneous fission(fragment)(fragment)-coin; deduced superheavy production σ upper limit. Thick target.

doi: 10.1103/PhysRevLett.45.1824
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1979FR06      Z.Phys. A291, 167 (1979)

G.Franz, J.V.Kratz, W.Bruchle, H.Folger, B.Haefner

Sub-Coulomb Transfer and Fission in Collisions of ¹²⁹Xe, ¹³²Xe and ¹³⁶Xe with ²³⁸U

NUCLEAR REACTIONS ²³⁸U(¹³²Xe, F), (¹³²Xe, X), (¹²⁹Xe, F), (¹²⁹Xe, X), (¹³⁶Xe, F), (¹³⁶Xe, X), E < Coulomb barrier; measured σ; discussed reaction mechanism.

doi: 10.1007/BF01437997
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1978GA12      Z.Phys. A286, 419 (1978)

H.Gaggeler, W.Bruchle, H.Ahrens, H.Folger, G.Franz, J.V.Kratz, M.Schadel, I.Warnecke, G.Wirth, N.Trautmann, G.Herrmann, N.Kaffrell, P.Peuser, G.Tittel

Search for Long-Lived Superheavy Elements in the Reaction of ¹³⁶Xe with ²³⁸U

NUCLEAR REACTIONS ²³⁸U(¹³⁶Xe, X), E=6.6 MeV/nucleon; measured formation σ for superheavy elements with 1-200 day T_1/2.

1972NA10      J.Inorg.Nucl.Chem. 34, 1785 (1972)

R.Naumann, H.Folger, H.O.Denschlag

Determination of the Nuclear Charge Distribution in the Chain 132 from Thermal Neutron Fission of ²³⁵U and ²³³U

RADIOACTIVITY ¹³²Sb, ¹³²Sn; measured T_1/2.

NUCLEAR REACTIONS, Fission ^233,235U(n, F), E=thermal; measured ¹³²Te, ¹³²Sb, ¹³²Sn fission yields, nuclear charge distribution.

doi: 10.1016/0022-1902(72)80524-4
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23712.

1972TR08      Radiochim.Acta 18, 86 (1972)

N.Trautmann, N.Kaffrell, H.W.Behlich, H.Folger, G.Herrmann, D.Hubscher, H.Ahrens

Identification of Short-Lived Isotopes of Zirconium, Niobium, Molybdenum, and Technetium in Fission by Rapid Solvent Extraction Techniques

RADIOACTIVITY ⁹⁷Y, ^{99,100,101,102}Zr, ^{99,100,101,102}Nb, ^{104,105,106,107,108}Mo, ^{103,104,105,106,107,108}Tc; measured Eγ, T_1/2.