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NSR database version of April 26, 2024.

Search: Author = H.Backe

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2018RA11      Phys.Rev.Lett. 120, 232503 (2018)

S.Raeder, D.Ackermann, H.Backe, R.Beerwerth, J.C.Berengut, M.Block, A.Borschevsky, B.Cheal, P.Chhetri, Ch.E.Dullmann, V.A.Dzuba, E.Eliav, J.Even, R.Ferrer, V.V.Flambaum, S.Fritzsche, F.Giacoppo, S.Gotz, F.P.Hessberger, M.Huyse, U.Kaldor, O.Kaleja, J.Khuyagbaatar, P.Kunz, M.Laatiaoui, F.Lautenschlager, W.Lauth, A.K.Mistry, E.Minaya Ramirez, W.Nazarewicz, S.G.Porsev, M.S.Safronova, U.I.Safronova, B.Schuetrumpf, P.Van Duppen, T.Walther, C.Wraith, A.Yakushev

Probing Sizes and Shapes of Nobelium Isotopes by Laser Spectroscopy

NUCLEAR MOMENTS ^252,253,254No; measured excitation spectra, hyperfine structure components; deduced nuclear magnetic and quadrupole moments, charge radii. Comparison with the state-of-the-art nuclear density functional calculations.

doi: 10.1103/PhysRevLett.120.232503
Citations: PlumX Metrics
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2016BA15      Phys.Lett. B 755, 409 (2016)

H.Backe

On magnetic guidance of charged particles

doi: 10.1016/j.physletb.2016.02.027
Citations: PlumX Metrics

2016LA25      Nature(London) 535, 495 (2016)

M.Laatiaoui, W.Lauth, H.Backe, Mi.Block, D.Ackermann, B.Cheal, P.Chhetri, C.E.Dullmann, P.van Duppen, J.Even, R.Ferrer, F.Giacoppo, S.Gotz, F.P.Hessberger, M.Huyse, O.Kaleja, J.Khuyagbaatar, P.Kunz, F.Lautenschlager, A.K.Mistry, S.Raeder, E.Minaya Ramirez, T.Walther, C.Wraith, A.Yakushev

Atom-at-a-time laser resonance ionization spectroscopy of nobelium

NUCLEAR REACTIONS ^206,208Pb(⁴⁸Ca, 2n), E=217 MeV; measured reaction products; deduced σ, ground-state transition, an upper limit for the ionization potential of nobelium.

doi: 10.1038/nature19345
Citations: PlumX Metrics

2015BA55      Nucl.Phys. A944, 492 (2015)

H.Backe, W.Lauth, M.Block, M.Laatiaoui

Prospects for laser spectroscopy, ion chemistry and mobility measurements of superheavy elements in buffer-gas traps

RADIOACTIVITY ²⁴⁰Am(SF); measured fission isomers using single-atom laser spectroscopy; deduced isotope shift, isomer shift.

doi: 10.1016/j.nuclphysa.2015.07.002
Citations: PlumX Metrics

2007BA57      Eur.Phys.J. D 45, 3 (2007)

H.Backe, F.P.Hessberger, M.Sewtz, A.Turler

Production and properties of the heaviest elements. Status and perspectives

doi: 10.1140/epjd/e2007-00253-y
Citations: PlumX Metrics

2007BA58      Eur.Phys.J. D 45, 99 (2007)

H.Backe, P.Kunz, W.Lauth, A.Dretzke, R.Horn, T.Kolb, M.Laatiaoui, M.Sewtz, D.Ackermann, M.Block, F.Herfurth, F.P.Hessberger, S.Hofmann, R.Mann

Towards optical spectroscopy of the element nobelium (Z = 102) in a buffer gas cell

doi: 10.1140/epjd/e2007-00198-1
Citations: PlumX Metrics

2006BA77      Hyperfine Interactions 171, 93 (2006)

H.Backe

Precision spectroscopy at heavy ion ring accelerator SIS300

doi: 10.1007/s10751-006-9509-4
Citations: PlumX Metrics

2006EL07      Eur.Phys.J. A 28, Supplement 1, 197 (2006)

M.El-Ghazaly, H.Backe, W.Lauth, G.Kube, P.Kunz, A.Sharafutdinov, T.Weber

X-ray phase contrast imaging at MAMI

doi: 10.1140/epja/i2006-09-021-6
Citations: PlumX Metrics

2006LA21      Eur.Phys.J. A 28, Supplement 1, 185 (2006)

W.Lauth, H.Backe, O.Kettig, P.Kunz, A.Sharafutdinov, T.Weber

Coherent X-rays at MAMI

doi: 10.1140/epja/i2006-09-019-0
Citations: PlumX Metrics

2005BB14      Hyperfine Interactions 162, 3 (2005)

H.Backe, A.Dretzke, St.Fritzsche, R.G.Haire, P.Kunz, W.Lauth, M.Sewtz, N.Trautmann

Laser Spectroscopic Investigation of the Element Fermium (Z = 100)

NUCLEAR MOMENTS ²⁵⁵Fm; measured hfs. Resonance ionization spectroscopy.

doi: 10.1007/s10751-005-9209-x
Citations: PlumX Metrics

2002SC27      Nucl.Phys. A701, 579c (2002)

J.Schonfelder, D.Ackermann, H.Backe, G.Bollen, J.Dilling, A.Dretzke, O.Engels, J.Estermann, D.Habs, S.Hofmann, F.P.Hessberger, H.-J.Kluge, W.Lauth, W.Ludolphs, M.Maier, G.Marx, R.B.Moore, W.Quint, D.Rodriguez, M.Sewtz, G.Sikler, C.Toader, Chr.Weber

SHIPTRAP - A Capture and Storage Facility for Heavy Radionuclides at GSI

doi: 10.1016/S0375-9474(01)01648-7
Citations: PlumX Metrics

2001BA65      Nucl.Phys. A690, 215c (2001)

H.Backe, A.Dretzke, D.Habs, M.Hies, G.Kube, H.Kunz, W.Lauth, H.J.Maier, R.Repnow, M.Sewtz, N.Trautmann

Stability of Superdeformation for Americium Fission Isomers as Function of the Neutron Number

NUCLEAR MOMENTS ^240,242,242Am; measured fission isomer isotope shifts; deduced quadrupole moments, deformation.

doi: 10.1016/S0375-9474(01)00944-7
Citations: PlumX Metrics

2001MA98      Hyperfine Interactions 132, 463 (2001)

G.Marx, D.Ackermann, J.Dilling, F.P.Hessberger, S.Hofmann, H.-J.Kluge, R.Mann, G.Munzenberg, Z.Qamhieh, W.Quint, D.Rodriguez, M.Schadel, J.Schonfelder, G.Sikler, C.Toader, C.Weber, O.Engels, D.Habs, P.Thirolf, H.Backe, A.Dretzke, W.Lauth, W.Ludolphs, M.Sewtz, and the SHIPTRAP Collaboration

Status of the SHIPTRAP Project: A capture and storage facility for heavy radionuclides from SHIP

doi: 10.1023/A:1011904231676
Citations: PlumX Metrics

2000BB15      Hyperfine Interactions 127, 35 (2000)

H.Backe, A.Dretzke, M.Hies, G.Kube, H.Kunz, W.Lauth, M.Sewtz, N.Trautmann, R.Repnow, H.J.Maier

Isotope shift measurement at ^244fAm

NUCLEAR MOMENTS ^240,242,244Am; measured optical isotope shifts of fission isomers; deduced quadrupole moments, deformation parameters.

doi: 10.1023/A:1012690022283
Citations: PlumX Metrics

1998BA04      Phys.Rev.Lett. 80, 920 (1998)

H.Backe, M.Hies, H.Kunz, W.Lauth, O.Curtze, P.Schwamb, M.Sewtz, W.Theobald, R.Zahn, K.Eberhardt, N.Trautmann, D.Habs, R.Repnow, B.Fricke

Isotope Shift Measurements for Superdeformed Fission Isomeric States

NUCLEAR MOMENTS ^240m,242mAm; measured fission isomers optical isotope shifts relative to ^241,243Am; deduced quadrupole moments. Resonance ionization spectroscopy, buffer gas cell.

doi: 10.1103/PhysRevLett.80.920
Citations: PlumX Metrics

1997BR15      Z.Phys. A358, 107 (1997)

K.-H.Brenzinger, C.Herberg, B.Limburg, H.Backe, S.Dambach, H.Euteneuer, F.Hagenbuck, H.Hartmann, K.Johann, K.H.Kaiser, O.Kettig, G.Knies, G.Kube, W.Lauth, H.Schope, Th.Walcher

Investigation of the Production Mechanism of Parametric X-Ray Radiation

doi: 10.1007/s002180050283
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1997DI05      Z.Phys. A358, 11 (1997)

E.Ditzel, J.M.Hoogduin, H.Backe, J.Baumann, F.W.N.de Boer, H.Bokemeyer, M.Debowski, R.Ganz, J.Gerl, T.Happ, M.Kaspar, J.van Klinken, T.Kroll, R.Kulessa, I.Peter, P.Salabura, H.Schaffner, S.Schremmer, K.Vetter, H.J.Wollersheim, H.Xie

Absence of E0 Transitions Around 1.8 MeV After Collisions of ²³⁸U with ¹⁸¹Ta

NUCLEAR REACTIONS ¹⁸¹Ta(²³⁸U, X), E=6.0 MeV/nucleon; measured e^- spectra, e^-(recoil)-coin. ¹⁸¹Ta, ²³⁸U deduced σ upper limits for E0 decays. Mini-orange spectrometers, PPAC, Doppler-corrected e^- spectra.

doi: 10.1007/s002180050270
Citations: PlumX Metrics

1997ST13      Z.Phys. A357, 441 (1997)

J.Stroth, H.Backe, M.Begemann-Blaich, K.Bethge, H.Bokemeyer, M.Dahlinger, W.Konen, P.Kosmadakis, S.Mojumder, P.Senger, K.Stiebing

Investigation of the Dynamics of Dissipative U + Au Collisions with δ-Electron Spectroscopy

NUCLEAR REACTIONS ¹⁹⁷Au(²³⁸U, X), E=8.65 MeV/nucleon; measured (e)(δ-electron)-coin; deduced dissipative collisions dynamics, contact time dependence on total kinetic energy loss.

doi: 10.1007/s002180050265
Citations: PlumX Metrics

1996BA52      Hyperfine Interactions 97/98, 535 (1996)

H.Backe, R.-R.Baum, B.Fricke, D.Habs, K.Hellmann, M.Hies, Ch.Illgner, Ch.Krameyer, H.Kunz, W.Lauth, R.Martin, P.Schwamb, W.Theobald, P.Thorle, N.Trautmann

Isotope Shift and Hyperfine Structure Measurements at the ^242mAm Fission Isomer

RADIOACTIVITY ^242mAm(SF) [from ²⁴²Pu(d, 2n), E=12 MeV]; ^241,243Am(α); measured hfs, relative isotope shift. ²⁴²Am deduced fission isomer quadrupole deformation, quadrupole moment.

doi: 10.1007/BF02150196
Citations: PlumX Metrics

1996DI07      Nucl.Instrum.Methods Phys.Res. A376, 428 (1996)

E.Ditzel, J.M.Hoogduin, H.Backe, F.W.N.de Boer, H.Bokemeyer, M.Debowski, J.van Klinken, P.Salabura, H.J.Wollersheim, H.Xie

Doppler-Corrected Spectroscopy of Conversion Electrons with Mini-Oranges After Heavy-Ion Collisions

NUCLEAR REACTIONS ¹⁸¹Ta(²³⁸U, ²³⁸U'), E=6 MeV/nucleon; measured (projectile)(ce)-, (recoil ejectile)(ce)-coin; deduced precise Doppler corrections for conversion electron emitted with specific solid angle. System of 4 Mini-Orange spectrometers.

doi: 10.1016/0168-9002(96)00260-4
Citations: PlumX Metrics

1994BA73      Z.Phys. A349, 87 (1994)

H.Backe, S.Gampert, A.Grendel, H.-J.Hartmann, W.Lauth, Ch.Weinheimer, R.Zahn, F.R.Buskirk, H.Euteneuer, K.H.Kaiser, G.Stephan, Th.Walcher

Resonant Transition Radiation in the X-Ray Region from a Low Emittance 855 MeV Electron Beam

doi: 10.1007/BF01296337
Citations: PlumX Metrics

1993BA08      Nucl.Phys. A553, 313c (1993)

H.Backe, H.Barth, J.Bonn, B.Degen, Th.Edling, L.Fleischmann, J.U.Grooss, A.Hermanni, G.Kube, P.Leiderer, Th.Loeken, A.Molz, R.B.Moore, A.Osipowicz, E.W.Otten, A.Picard, M.Przyrembel, M.Schrader, M.Steininger, Ch.Weinheimer

A New Upper Limit of the Electron Antineutrino Rest Mass from Tritium β-Decay

RADIOACTIVITY ³H(β^-); measured β-endpoint spectrum; deduced ν(bar)(e) rest mass upper limit. Molecular tritium, new solenoid retarding spectrometer.

doi: 10.1016/0375-9474(93)90632-8
Citations: PlumX Metrics

1993BA79      Hyperfine Interactions 78, 35 (1993)

H.Backe, P.Graffe, D.Habs, M.Hies, Ch.Illgner, H.Kunz, W.Lauth, H.Schope, P.Schwamb, W.Theobald, P.Thorle, N.Trautmann, R.Zahn

Radiation Detected Resonance Ionization Spectroscopy on ²⁰⁸Tl and ^242mAm

RADIOACTIVITY ²⁴³Am, ^242mAm; measured fission isomer resonance ionization signals; deduced large isotope shift. Ultra-sensitive laser spectroscopic method.

doi: 10.1007/BF00568115
Citations: PlumX Metrics

1993WE03      Phys.Lett. 300B, 210 (1993)

Ch.Weinheimer, M.Przyrembel, H.Backe, H.Barth, J.Bonn, B.Degen, T.Edling, H.Fischer, L.Fleischmann, J.U.Grooss, R.Haid, A.Hermanni, G.Kube, P.Leiderer, Th.Loeken, A.Molz, R.B.Moore, A.Osipowicz, E.W.Otten, A.Picard, M.Schrader, M.Steininger

Improved Limit on the Electron-Antineutrino Rest Mass from Tritium β-Decay

RADIOACTIVITY ³H(β^-); measured β-spectrum endpoint energy; deduced electron-antineutrino mass upper limit. ³H, ³He deduced atomic mass difference.

doi: 10.1016/0370-2693(93)90355-L
Citations: PlumX Metrics

1992BA67      Hyperfine Interactions 74, 47 (1992)

H.Backe, Th.Blonnigen, M.Dahlinger, U.Doppler, P.Graffe, D.Habs, M.Hies, Ch.Illgner, H.Kunz, W.Lauth, H.Schope, P.Schwamb, W.Theobald, R.Zahn

First Observation of a Resonance Ionization Signal on ^242mAm Fission Isomers

RADIOACTIVITY ^242mAm(SF) [from ²⁴²Pu(d, 2n), E=12 MeV]; measured resonance ionization followed by isomer fission decay. Buffer gas cell, two-step resonance ionization, excimer dye laser combination.

doi: 10.1007/BF02398616
Citations: PlumX Metrics

1992BA72      Nucl.Instrum.Methods Phys.Res. B70, 521 (1992)

H.Backe, W.Lauth, W.Achenbach, M.Hain, M.Hies, A.Scherrer, A.Steinhof, S.Tolg, S.Ziegler

Fission Fragment Anisotropy for the ^242mAm Fission Isomer by Spin Exchange Pumping with Polarized Rubidium Vapour

RADIOACTIVITY ^242mAm(SF) [from ²⁴²Pu(d, 2n), E=12 MeV]; measured fission event distribution vs θ, anisotropy. ²⁴²Am deduced fission isomer spin lower limit. Spin exchange pumping, polarized rubidium vapor.

doi: 10.1016/0168-583X(92)95976-X
Citations: PlumX Metrics

1992LA03      Phys.Rev.Lett. 68, 1675 (1992)

W.Lauth, H.Backe, M.Dahlinger, I.Klaft, P.Schwamb, G.Schwickert, N.Trautmann, U.Othmer

Resonance Ionization Spectroscopy in a Buffer Gas Cell with Radioactive Decay Detection, Demonstrated Using ²⁰⁸Tl

RADIOACTIVITY ²⁰⁸Tl; measured hfs; deduced μ. ^208,207Tl deduced rms radius difference. Ultrasensitive laser spectroscopic method.

doi: 10.1103/PhysRevLett.68.1675
Citations: PlumX Metrics

1992PI10      Z.Phys. A342, 71 (1992)

A.Picard, H.Backe, J.Bonn, B.Degen, R.Haid, A.Hermanni, P.Leiderer, A.Osipowicz, E.W.Otten, M.Przyrembel, M.Schrader, M.Steininger, Ch.Weinheimer

Precision Measurement of the Conversion Electron Spectrum of ^83mKr with a Solenoid Retarding Spectrometer

RADIOACTIVITY ^83mKr(IT) [from ⁸³Rb decay]; measured I(ce). ⁸³Kr deduced transition energies. High precision, solenoid retarding spectrometer, submonolayer surface of ^83mKr frozen onto a cold backing.

doi: 10.1007/BF01294491
Citations: PlumX Metrics

1992PI11      Nucl.Instrum.Methods Phys.Res. B63, 345 (1992)

A.Picard, H.Backe, H.Barth, J.Bonn, B.Degen, Th.Edling, R.Haid, A.Hermanni, P.Leiderer, Th.Loeken, A.Molz, R.B.Moore, A.Osipowicz, E.W.Otten, M.Przyrembel, M.Schrader, M.Steininger, Ch.Weinheimer

A Solenoid Retarding Spectrometer with High Resolution and Transmission for keV Electrons

RADIOACTIVITY ^83mKr(IT); measured I(ce); deduced transition energy. Solenoid retarding spectrometer.

doi: 10.1016/0168-583X(92)95119-C
Citations: PlumX Metrics

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.

1985BO32      Z.Phys. A322, 59 (1985)

W.Bonin, H.Backe, M.Dahlinger, S.Glienke, D.Habs, E.Hanelt, E.Kankeleit, B.Schwartz

Excited States in Neutron Deficient Even-Even Thorium Isotopes (218 ≤ A ≤ 222)

NUCLEAR REACTIONS ²⁰⁹Bi(¹⁴N, 5n), E=91 MeV; ²⁰⁸Pb(¹⁶O, 4n), E=94 MeV; ²⁰⁸Pb(¹⁸O, 4n), E=95 MeV; measured I(ce), αγ-coin, γ(θ). ^220,222,218Th deduced levels, J, π, γ-branching, γ-multipolarity, T_1/2, B(λ).

doi: 10.1007/BF01412018
Citations: PlumX Metrics

1985DA11      Z.Phys. A321, 535 (1985)

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

Spectroscopy of ²²¹Th

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁶O, 3n), E=84.5, 86, 87 MeV; measured Eγ, Iγ, γγ-coin, recoil. ²²¹Th deduced levels, γ-branching, possible J, π, band structure, E1, E2 transitions, < B(E1)/B(E2) >.

doi: 10.1007/BF01411991
Citations: PlumX Metrics

1984DA08      Nucl.Instrum.Methods 219, 513 (1984)

M.Dahlinger, W.Bonin, E.Kankeleit, H.Backe

An Electrostatic Separator for Heavy Recoil Nuclei

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁸O, ¹⁸O'), (¹⁸O, 4n), E=95 MeV; measured Eγ, Iγ, γγ-coin, evaporation residue σ(θ), average energy. ²⁰⁸Pb(¹⁶O, ¹⁶O'), (¹⁶O, 4n), E=94 MeV; measured I(ce), (ce)(recoil nucleus)-coin. ²²⁰Th deduced transitions. Electrostatic separator.

doi: 10.1016/0167-5087(84)90223-0
Citations: PlumX Metrics

1983BO06      Z.Phys. A310, 249 (1983)

W.Bonin, M.Dahlinger, S.Glienke, E.Kankeleit, M.Kramer, D.Habs, B.Schwartz, H.Backe

Evidence for Molecular-Cluster States in ²²²Th

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁸O, 4n), E=88 MeV; measured γγ-, ceγ-, (ce)(ce)-coin. ²²²Th deduced levels, J, π, γ-multipolarity, B(λ), band structure, γ-branching.

doi: 10.1007/BF01415231
Citations: PlumX Metrics

1983HI09      Nucl.Phys. A404, 401 (1983)

G.Himmele, H.Backe, P.A.Butler, D.Habs, V.Metag, H.J.Specht, J.B.Wilhelmy

Measurements of Nuclear Reaction Cross Sections for ^183,184W + ²³⁸U near the Interaction Barrier

NUCLEAR REACTIONS ²³⁸U(¹⁸⁴W, ¹⁸²W), (¹⁸⁴W, ¹⁸³W), (¹⁸⁴W, ¹⁸⁵W), (¹⁸⁴W, ¹⁸⁶W), (¹⁸³W, ¹⁸³W'), E ≈ interaction barrier; measured σ(transfer), fission σ; deduced transfer, fission probabilities.

doi: 10.1016/0375-9474(83)90556-0
Citations: PlumX Metrics

1982GO02      Phys.Rev.Lett. 48, 1160 (1982)

U.Goerlach, D.Habs, V.Metag, B.Schwartz, H.J.Specht, H.Backe

Lowest β-Vibrational Phonon in the Second Minima of ^236,238U

NUCLEAR REACTIONS, Fission ^236,238U(d, np), E=20 MeV; measured I(ce), ce(fragment)(t). ^236,238U deduced shape isomer decay characteristics, K/L ratio, transition multipolarity, vibrational band characteristics.

doi: 10.1103/PhysRevLett.48.1160
Citations: PlumX Metrics

1982HI16      Nucl.Phys. A391, 191 (1982)

G.Himmele, H.Backe, P.A.Butler, D.Habs, V.Metag, J.B.Wilhelmy, H.J.Specht

Experimental Features of Coulomb Fission

NUCLEAR REACTIONS ²³⁸U(¹⁵²Sm, ¹⁵²Sm'), ²³⁸U(¹⁸⁴W, ¹⁸⁴W'), ²³²Th(¹⁸⁴W, ¹⁸⁴W'), ²⁴⁸Cm(²³²Th, ²³²Th'), E ≈ Coulomb barrier; measured fission σ following inelastic scattering. ²³²Th, ²³⁸U, ²⁴⁸Cm deduced fission probability. Enriched target.

doi: 10.1016/0375-9474(82)90227-5
Citations: PlumX Metrics

1981HE14      Z.Phys. A300, 165 (1981)

S.Hegewisch, H.Vonach, H.Wohlfarth, R.Kretz, H.Backe

Untersuchung der Gammastrahlungaus der Unelastischen Streuung von 2.75 MeV-Neutronen an ²⁰³Tl und ²⁰⁵Tl (Investigation of Gamma-Radiation after Inelastic Neutron Scattering on ²⁰³Tl and ²⁰⁵Tl at 2.75 MeV)

NUCLEAR REACTIONS ^203,205Tl(n, n'), E=2.75 MeV; measured σ, Eγ, Iγ. ^203,205Tl deduced levels, γ-branching. Hauser-Feshbach calculations. Natural, enriched Tl targets.

doi: 10.1007/BF01412293
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset21703.

1980DA18      Z.Phys. A298, 173 (1980)

P.J.Daly, P.Kleinheinz, R.Broda, S.Lunardi, H.Backe, J.Blomqvist

Proton h²_11/2 and Octupole Excitations in ¹⁴⁸₆₆Dy₈₂ and ¹⁴⁹₆₆Dy₈₃

NUCLEAR REACTIONS ¹⁵²Gd(α, xn), E=70-100 MeV; ¹³⁶Ce(¹⁶O, xn), E=85-95 MeV; measured Eγ, Iγ, γγ-coin, I(ce). ^148,149Dy deduced levels, T_1/2, J, π, ICC, configuration, γ-multipolarity, yrast cascades.

doi: 10.1007/BF01418655
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1979BA02      Phys.Rev.Lett. 42, 490 (1979)

H.Backe, L.Richter, D.Habs, V.Metag, J.Pedersen, P.Singer, H.J.Specht

Spectroscopy in the Second Minimum of the Potential Energy Surface of ²³⁹Pu

RADIOACTIVITY ^239mPu [from ²³⁸U(α, 3n), E=33 MeV]; measured E(ce), I(ce). ²³⁹Pu deduced levels in second minimum, J, π, δ, rotational parameters. Nilsson assignments.

doi: 10.1103/PhysRevLett.42.490
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1979BA42      Phys.Rev.Lett. 43, 1077 (1979)

H.Backe, F.Weik, P.A.Butler, V.Metag, J.B.Wilhelmy, D.Habs, G.Himmele, H.J.Specht

Direct Observation of Coulomb Fission of ²³⁸U with ¹⁸⁴W Projectiles

NUCLEAR REACTIONS ²³⁸U(¹⁸⁴W, ¹⁸⁴W'F), E=5-6 MeV/nucleon; measured I(ce), ce fragment-coin, Coulomb excitation σ(E), σ(fission).

doi: 10.1103/PhysRevLett.43.1077
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1979PI07      Z.Phys. A290, 337 (1979)

M.Piiparinen, S.Lunardi, P.Kleinheinz, H.Backe, J.Blomqvist

High Spin Isomers in ¹⁵¹Dy

NUCLEAR REACTIONS ¹⁵²Gd(α, 5n), E=72 MeV; ¹³⁶Ce(¹⁸O, 3n), E=83 MeV; measured Eγ, Iγ, γ(θ), γγ-coin, ceγ-coin, E(ce). ¹⁵¹Dy deduced levels, transition multipolarities, T_1/2, shell-model configurations.

doi: 10.1007/BF01408552
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1979RI08      Nucl.Phys. A319, 221 (1979)

L.Richter, H.Backe, F.Weik, R.Willwater

Study of Subnanosecond High-Spin Isomers in ^186,188,190Pt by Conversion Electron Spectroscopy

NUCLEAR REACTIONS ^172,174,176Yb(¹⁶O, xn), (¹⁸O, xn), E=77-88 MeV; measured I(ce), Eγ, Iγ, (ce)(ce)-coin, ceγ-coin, ce(t). ^186,188Pt deduced levels, J, π, ICC. ^186,188,190Pt deduced T_1/2, B(E2).

doi: 10.1016/0375-9474(79)90183-0
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1978BA16      Z.Phys. A285, 159 (1978)

H.Backe, L.Richter, R.Willwater, E.Kankeleit, E.Kuphal, Y.Nakayama, B.Martin

In-Beam Spectroscopy of Low Energy Conversion Electrons with a Recoil Shadow Method - A New Possibility for Subnanosecond Lifetime Measurements

NUCLEAR REACTIONS ^152,154Sm(¹⁶O, xnγ), E=85, 90 MeV; ¹⁶⁶Er(α, 2nγ), E=30 MeV; measured low energy conversion spectra. ^162,163,164Yb levels deduced T_1/2.

doi: 10.1007/BF01408742
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1978DA14      Z.Phys. A288, 103 (1978)

P.J.Daly, P.Kleinheinz, R.Broda, A.M.Stefanini, S.Lunardi, H.Backe, L.Richter, R.Willwater, F.Weik

A 0.5 μs 10⁺ Isomer in ¹⁴⁸Dy and the πh_11/2 Effective E2 Charge

NUCLEAR REACTIONS ¹⁵²Gd(α, 8nγ), E=90-120 MeV; ¹³⁶Ce(¹⁶O, 4nγ), E=85-92 MeV; measured σ(E, Eγ), γγ-coin. ¹⁴⁸Dy deduced levels, J, π, T_1/2, B(E2).

doi: 10.1007/BF01408208
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1977LI20      Hyperfine Interactions 3, 381 (1977)

R.Link, H.Backe, R.Engfer, E.Kankeleit, H.K.Walter

Magnetic Hyperfile Anomaly in Muonic ¹⁹³Ir

NUCLEAR MOMENTS, Mesic-Atoms ¹⁹³Ir; measured muonic hyperfine splitting; deduced hfs anomaly.

doi: 10.1007/BF01021570
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1977RI13      Phys.Lett. 71B, 74 (1977)

L.Richter, H.Backe, E.Kankeleit, F.Weik, R.Willwater

Backbending Behaviour of Rotational Bands in ^163,165,167Yb

NUCLEAR REACTIONS ^152,154Sm(¹⁶O, xnγ), (¹⁸O, xnγ), E=85-95 MeV; measured Eγ, Iγ, γγ-coin, γce-coin, γ(θ). ^163,165,167Yb deduced levels, K.J, π, backbending mechanism.

doi: 10.1016/0370-2693(77)90743-2
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1974BA77      Nucl.Phys. A234, 469 (1974)

H.Backe, R.Engfer, E.Kankeleit, R.Link, R.Michaelsen, C.Petitjean, L.Schellenberg, H.Schneuwly, W.U.Schroder, J.L.Vuilleumier, H.K.Walter, A.Zehnder

Nuclear Excitation and Isomer Shifts in Muonic Atoms (I). Experiment and Evaluation

ATOMIC PHYSICS, Mesic-Atoms ¹⁵²Sm, ^156,158,160Gd, ¹⁵³Eu, ¹⁶⁹Tm, ¹⁷⁰Yb, ¹⁸¹Ta, ^182,184,186W, ^185,187Re, ^188,190,192Os, ^191,193Ir, ^194,196Pt, ^{198,199,200,202}Hg, ^203,205Tl, ²⁰⁹Bi; measured Eγ, Iγ of muonic isotopes; deduced muonic isomer shifts.

doi: 10.1016/0375-9474(74)90576-4
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1972BA53      Nucl.Phys. A189, 472 (1972)

H.Backe, R.Engfer, U.Jahnke, E.Kankeleit, R.M.Pearce, C.Petitjean, L.Schellenberg, H.Schneuwly, W.U.Schroder, H.K.Walter, A.Zehnder

Study of X-Rays and Nuclear γ-Rays in Muonic Thallium

ATOMIC PHYSICS, Mesic-Atoms ²⁰³Tl, ²⁰⁵Tl; measured E(X-ray), I(X-ray), Eγ, Iγ; deduced μ-cascade, electron screening, excitation of first, higher nuclear levels, magnetic H.F. Anomalies, muonic isomer shift, E2/M1 mixing ratio, T_1/2 of nuclear 3/2+ level in muonic ²⁰⁵Tl, magnetic, electric nuclear polarization, isotope shift, nuclear size parameters, isotope effect of μ-capture rates.

NUCLEAR REACTIONS ^203,205Tl(μ^-, xnγ); measured Eγ, Iγ; deduced total muon capture rate. 198, 199, 200, 202, 204hg deduced transitions.

doi: 10.1016/0375-9474(72)90309-0
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1972LI33      Phys.Lett. 42B, 57 (1972)

R.Link, L.Schellenberg, H.Backe, R.Engfer, E.Kankeleit, R.Michaelsen, H.Schneuwly, W.U.Schroder, J.L.Vuilleumier, H.K.Walter, A.Zehnder

Magnetic Hyperfine Interaction of the 2⁺ Rotational States in Muonic ^190,192Os

NUCLEAR REACTIONS Os(μ^-, Xγ), E approx 0; measured I(X-ray), Iγ. ^190,192Os nuclear transitions deduced magnetic hfs splitting.

doi: 10.1016/0370-2693(72)90715-0
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1972SC37      Nucl.Phys. A196, 452 (1972)

H.Schneuwly, L.Schellenberg, H.Backe, R.Engfer, U.Jahnke, E.Kankeleit, K.H.Lindenberger, R.M.Pearce, C.Petitjean, W.U.Schroder, H.K.Walter, A.Zehnder

Observation of Electric Quadrupole X-Ray Transitions in Muonic Thallium, Lead and Bismuth

ATOMIC PHYSICS, Mesic-Atoms Tl, Pb, Bi; measured μ-mesic E(X-ray), I(X-ray); deduced E2 transitions, μ-cascade, radiationless transitions, population ratios.

doi: 10.1016/0375-9474(72)90788-9
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1972WA02      Phys.Lett. 38B, 64 (1972)

H.K.Walter, H.Backe, R.Engfer, E.Kankeleit, C.Petitjean, H.Schneuwly, W.U.Schroder

Muonic Isomer Shifts in ¹⁵³Eu. A Re-Evaluation of Mossbauer Isomer Shifts in Rare Earths

ATOMIC PHYSICS, Mesic-Atoms ¹⁵³Eu; measured Eγ; deduced isomer shift.

doi: 10.1016/0370-2693(72)90739-3
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1972WA17      Phys.Lett. 40B, 197 (1972)

H.K.Walter, J.H.Vuilleumier, H.Backe, F.Boehm, R.Engfer, H.von Gunten, R.Link, R.Michaelsen, C.Petitjean, L.Schellenberg, H.Schneuwly, W.U.Schroder, A.Zehnder

Test of Quantum-Electrodynamical Corrections in Muonic Atoms

ATOMIC PHYSICS, Mesic-Atoms Hg, ²⁰³Tl; measured μ-mesic E(X-ray), I(X-ray); tested QED corrections.

doi: 10.1016/0370-2693(72)90408-X
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1971BA11      Z.Phys. 241, 435 (1971)

H.Backe

Intensitatsmessung von Rontgen- und Kerngammastrahlung an einigen schweren Myonenatomen

ATOMIC PHYSICS, Mesic-Atoms W, Os, ²⁰⁹Bi(μ^-, X), E not given; measured absolute, relative I X-rays.

NUCLEAR STRUCTURE ^182,184,186W; ^190,192,188Os, ^191,193Ir, ^203,205Tl, ²⁰⁹Bi; analyzed muonic X-ray, Iγ data. ¹⁸⁸Os, ^203,205Tl levels deduced excitation probability.

doi: 10.1007/BF01407649
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1971LI29      Phys.Lett. 37B, 50 (1971)

R.Link, H.Backe, R.Engfer, L.Fluri, R.Michaelsen, C.Petitjean, H.Schneuwly, H.K.Walter

Magnetic Hyperfine Splitting of the 2s₁/₂-2p₁/₂ Transition in Muonic ¹¹⁵In

ATOMIC PHYSICS, Mesic-Atoms ¹¹⁵In; measured μ-mesic E(X-ray), I(X-ray), Eγ, Iγ; deduced a.

NUCLEAR MOMENTS ¹¹⁵In μ-mesic atom; measured a.

doi: 10.1016/0370-2693(71)90567-3
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1971PE14      Nucl.Phys. A178, 193 (1971)

C.Petitjean, H.Backe, R.Engfer, U.Jahnke, K.H.Lindenberger, H.Schneuwly, W.U.Schroder, H.K.Walter

Muon Capture in ¹⁵¹Eu and ¹⁵³Eu

NUCLEAR REACTIONS ¹⁵¹Eu, ¹⁵³Eu(μ^-, νxnγ) ; measured Eγ, Iγ, tauμ; deduced neutron multiplicity, isotope effect in μ-capture rates. ^{147,148,149,150,151,152,153}Sm deduced transitions.

doi: 10.1016/0375-9474(71)90197-7
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1970BA74      Proc.Int.Conf.High Energy Phys.Nucl.Struct., 3rd, Columbia University, New York (1969), S.Devons, Ed., Plenum Press, New York, p.192 (1970)

H.Backe, R.Engfer, E.Kankeleit, W.U.Schroder, H.K.Walter, K.Wien

Measurements of Excitation Probabilities and Isomer Shifts of Nuclear Levels in μ-Atoms

NUCLEAR REACTIONS ^182,184,186W, ^188,190,192Os, ^191,193Ir, ^203,205Tl, ¹⁶⁹Tm, ^185,187Re, ^194,196Pt(μ^-, γ); measured excitation probability, isomer shift.

1968BA36      Phys.Letters 27B, 425 (1968)

R.Baader, H.Backe, R.Engfer, K.Hesse, E.Kankeleit, U.Schroder, H.K.Walter, K.Wien

Muonic Isomer Shift Measurements in Sm, W and Os Isotopes and Their Interpretation in Terms of Changes in Nuclear Charge Distribution

ATOMIC PHYSICS, Mesic-Atoms Sm, W, Os(μ^-, γ), E=0; measured Eγ. ¹⁵²Sm, ^182,184,186W, ^188,190,192Os levels deduced muonic isomer shift.

doi: 10.1016/0370-2693(68)90226-8
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1968BA37      Phys.Letters 27B, 428 (1968)

R.Baader, H.Backe, R.Engfer, E.Kankeleit, W.U.Schroder, H.Walter, K.Wien

Measurement of the Magnetic Hyperfine Splitting of Nuclear γ Rays in Muonic Thallium

ATOMIC PHYSICS, Mesic-Atoms Tl(μ^-, γ), E=0; measured Eγ. ^203,205Tl deduced ground-state muonic hfs. Natural target.

doi: 10.1016/0370-2693(68)90227-X
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