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NSR database version of May 24, 2024.

Search: Author = C.H.Keitel

Found 24 matches.

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2024KR02      Phys.Rev. C 109, L021301 (2024)

K.Kromer, Ch.Lyu, J.Bieron, M.Door, L.Enzmann, P.Filianin, G.Gaigalas, Z.Harman, J.Herkenhoff, W.Huang, Ch.H.Keitel, S.Eliseev, K.Blaum

Atomic mass determination of uranium-238

doi: 10.1103/PhysRevC.109.L021301
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2022KR04      Eur.Phys.J. A 58, 202 (2022); Erratum Eur.Phys.J. A 60, (2024)

K.Kromer, C.Lyu, M.Door, P.Filianin, Z.Harman, J.Herkenhoff, W.Huang, C.H.Keitel, D.Lange, Y.N.Novikov, C.Schweiger, S.Eliseev, K.Blaum

High-precision mass measurement of doubly magic 208Pb

ATOMIC MASSES 208Pb, 132Xe; measured the cyclotron-frequency ratio; deduced absolute atomic mass. The ab initio fully relativistic multi-configuration Dirac–Hartree–Fock (MCDHF) calculations. Comparison with AME 2020. The high-precision Penning-trap mass spectrometer Pentatrap.

doi: 10.1140/epja/s10050-022-00860-1
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2022SC07      Nature(London) 606, 878 (2022)

A.Schneider, B.Sikora, S.Dickopf, M.Muller, N.S.Oreshkina, A.Rischka, I.A.Valuev, S.Ulmer, J.Walz, Z.Harman, C.H.Keitel, A.Mooser, K.Blaum

Direct measurement of the 3He+ magnetic moments

NUCLEAR MOMENTS 3He; measured transition frequencies; deduced ground-state hyperfine structure, nuclear g-factor, zero-field hyperfine splitting, diamagnetic shielding constant, Zemach radius, nuclear magnetic moment. Comparison with available data. Penning trap.

doi: 10.1038/s41586-022-04761-7
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2022WU10      Phys.Rev.Lett. 128, 162501 (2022)

Y.Wu, S.Gargiulo, F.Carbone, C.H.Keitel, A.Palffy

Dynamical Control of Nuclear Isomer Depletion via Electron Vortex Beams

doi: 10.1103/PhysRevLett.128.162501
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2021FI03      Phys.Rev.Lett. 127, 072502 (2021)

P.Filianin, C.Lyu, M.Door, K.Blaum, W.J.Huang, M.Haverkort, P.Indelicato, C.H.Keitel, K.Kromer, D.Lange, Y.N.Novikov, A.Rischka, R.X.Schussler, Ch.Schweiger, S.Sturm, S.Ulmer, Z.Harman, S.Eliseev

Direct Q-Value Determination of the β- Decay of 187Re

ATOMIC MASSES 187Os, 187Re; measured cyclotron frequency ratio; deduced mass difference, β-decay Q-value. Comparison with AME-2016 evaluation.

doi: 10.1103/PhysRevLett.127.072502
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2020AN04      Phys.Rev. C 101, 054313 (2020)

A.Antognini, N.Berger, T.E.Cocolios, R.Dressler, R.Eichler, A.Eggenberger, P.Indelicato, K.Jungmann, C.H.Keitel, K.Kirch, A.Knecht, N.Michel, J.Nuber, N.S.Oreshkina, A.Ouf, A.Papa, R.Pohl, M.Pospelov, E.Rapisarda, N.Ritjoho, S.Roccia, N.Severijns, A.Skawran, S.M.Vogiatzi, F.Wauters, L.Willmann

Measurement of the quadrupole moment of 185Re and 187Re from the hyperfine structure of muonic X rays

ATOMIC PHYSICS 185,187Re, 208Pb(μ-, μ-'), E at 29 MeV/c, [negative muon beam from the decay of pions produced in C(p, π), E=590 MeV]; measured Eγ, Iγ, energy and intensities of muonic x-rays using two HPGe detectors at the HIPA facility of Paul Scherrer Institut; deduced hyperfine splitting of the 5g to 4f muonic atom transitions, and compared to state-of-the-art atomic theoretical predictions; extracted spectroscopic quadrupole moments for ground states of 185Re and 187Re.

NUCLEAR MOMENTS 185,187Re; measured muonic atom hyperfine structure; deduced spectroscopic quadrupole moments of ground states. Comparison with previous experimental measurement using natural Re target, and with theoretical predictions.

doi: 10.1103/PhysRevC.101.054313
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2020RI04      Phys.Rev.Lett. 124, 113001 (2020)

A.Rischka, H.Cakir, M.Door, P.Filianin, Z.Harman, W.J.Huang, P.Indelicato, C.H.Keitel, C.M.Konig, K.Kromer, M.Muller, Y.N.Novikov, R.X.Schussler, C.Schweiger, S.Eliseev, K.Blaum

Mass-Difference Measurements on Heavy Nuclides with an eV/c2 Accuracy in the PENTATRAP Spectrometer

ATOMIC MASSES 126,128,129,131,132,134Xe; measured frequencies; deduced mass differences of five pairs of stable xenon isotopes. The novel cryogenic multi-Penning-trap mass spectrometer PENTATRAP.

doi: 10.1103/PhysRevLett.124.113001
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2020YO07      Commun. Phys. 3, 107 (2020)

D.T.Yordanov, L.V.Rodriguez, D.L.Balabanski, J.Bieron, M.L.Bissell, K.Blaum, B.Cheal, J.Ekman, G.Gaigalas, R.F.G.Ruiz, G.Georgiev, W.Gins, M.R.Godefroid, C.Gorges, Z.Harman, H.Heylen, P.Jonsson, A.Kanellakopoulos, S.Kaufmann, C.H.Keitel, V.Lagaki, S.Lechner, B.Maass, S.Malbrunot-Ettenauer, W.Nazarewicz, R.Neugart, G.Neyens, W.Nortershauser, N.S.Oreshkina, A.Papoulia, P.Pyykko, P.-G.Reinhard, S.Sailer, R.Sanchez, S.Schiffmann, S.Schmidt, L.Wehner, C.Wraith, L.Xie, Z.Xu, X.Yang

Structural trends in atomic nuclei from laser spectroscopy of tin

NUCLEAR MOMENTS 109,115,117,119,121,123,125,127,129,131Sn; measured frequency scales relative to the fine-structure splittings in the transitions; deduced mean square charge-radii changes, high-precision magnetic moments, quadrupole moments.

doi: 10.1038/s42005-020-0348-9
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Data from this article have been entered in the XUNDL database. For more information, click here.

2019AR06      Phys.Rev.Lett. 122, 253001 (2019)

I.Arapoglou, A.Egl, M.Hocker, T.Sailer, B.Tu, A.Weigel, R.Wolf, H.Cakir, V.A.Yerokhin, N.S.Oreshkina, V.A.Agababaev, A.V.Volotka, D.V.Zinenko, D.A.Glazov, Z.Harman, C.H.Keitel, S.Sturm, K.Blaum

g Factor of Boronlike Argon 40Ar12+

ATOMIC PHYSICS 40Ar; measured frequencies; deduced resonances, the ground-state g factor of boronlike argon with uncertainties.

doi: 10.1103/PhysRevLett.122.253001
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2019WU06      Phys.Rev.Lett. 122, 212501 (2019)

Y.Wu, C.H.Keitel, A.Palffy

93mMo Isomer Depletion via Beam-Based Nuclear Excitation by Electron Capture

RADIOACTIVITY 93Mo(IT) [from 7Li(90Zr, X)93Mo, E not given]; calculated nuclear excitation by electron capture (NEEC) excitation rates; deduced disagreement with the experimental data by approximately 9 orders of magnitude.

doi: 10.1103/PhysRevLett.122.212501
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2018WU01      Phys.Rev.Lett. 120, 052504 (2018)

Y.Wu, J.Gunst, C.H.Keitel, A.Palffy

Tailoring Laser-Generated Plasmas for Efficient Nuclear Excitation by Electron Capture

RADIOACTIVITY 93Mo(IT); analyzed available data; calculated nuclear excitation by electron capture (NEEC) rates, laser parameters, electron density, temperature.

doi: 10.1103/PhysRevLett.120.052504
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2017ZA06      Phys.Rev. A 96, 012502 (2017)

J.Zatorski, B.Sikora, S.G.Karshenboim, S.Sturm, F.Kohler-Langes, K.Blaum, C.H.Keitel, Z.Harman

Extraction of the electron mass from g-factor measurements on light hydrogenlike ions

ATOMIC PHYSICS 4He, 12C, 28Si; analyzed available data on Penning-trap measurements of the Larmor and cyclotron frequency ratio; deduced electron mass using a hydrogenlike 12C and the corresponding theoretical value of the bound-electron g factor. Comparison with available data.

doi: 10.1103/PhysRevA.96.012502
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2014GU07      Phys.Rev.Lett. 112, 082501 (2014)

J.Gunst, Y.A.Litvinov, C.H.Keitel, A.Palffy

Dominant Secondary Nuclear Photoexcitation with the X-Ray Free-Electron Laser

RADIOACTIVITY 93Mo(IT) [from 93Nb(p, n)93mMo, E not given]; calculated contribution of the secondary processes coupling nuclei to the atomic shell; deduced dominance of the secondary processes over direct photoexcitation. Comparison with available data.

doi: 10.1103/PhysRevLett.112.082501
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2014ST05      Nature(London) 506, 467 (2014)

S.Sturm, K.Kohler, J.Zatorski, A.Wagner, Z.Harman, G.werth, W.Quint, C.H.Keitel, K.Blaum

High-precision measurement of the atomic mass of the electron

ATOMIC MASSES A=0; measured cyclotron frequency ratio of hydrogen-like 12C+5+; deduced electron mass. QED calculations, comparison with CODATA value.

doi: 10.1038/nature13026
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2013DA11      Phys.Rev. C 88, 024601 (2013)

S.Das, A.Palffy, C.H.Keitel

Quantum interference effects in an ensemble of 229Th nuclei interacting with coherent light

NUCLEAR REACTIONS 229Th(γ, γ), E=ultraviolet region; calculated nuclear forward scattering (NFS) time spectra from a multi-level nuclear ensemble of 229Th doped in vacuum ultraviolet (VUV) transparent crystal for three- and four-level configurations interacting with one and two optical fields. Signature of the isomer excitation from quantum interference effects. Discussed design of precise experiments to determine the isomer transition energy by tuning the laser intensity and detuning. Population trapping in the isomeric state. Applications in nuclear quantum optics.

doi: 10.1103/PhysRevC.88.024601
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2013LI21      Phys.Rev. C 87, 054609 (2013)

W.-T.Liao, A.Palffy, C.H.Keitel

Three-beam setup for coherently controlling nuclear-state population

NUCLEAR REACTIONS 97Tc, 113Cd, 152Pm, 154Gd, 168Er, 172Yb, 185Re, 223Ra(γ, γ), E<1.8 MeV; calculated laser-induced coherent nuclear excitations using a collider system composed of two fully coherent XFEL beams together with an ion accelerator.

doi: 10.1103/PhysRevC.87.054609
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2012LI56      Phys.Rev.Lett. 109, 262502 (2012)

W.-T.Liao, S.Das, C.H.Keitel, A.Palffy

Coherence-Enhanced Optical Determination of the 229Th Isomeric Transition

ATOMIC PHYSICS 229Th; calculated isomeric transition, time spectra, fluorescence of thorium nuclei in a crystal lattice environment. Comparison with available data.

doi: 10.1103/PhysRevLett.109.262502
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2009IP02      Phys.Rev.Lett. 103, 152301 (2009)

A.Ipp, C.H.Keitel, J.Evers

Yoctosecond Photon Pulses from Quark-Gluon Plasmas

doi: 10.1103/PhysRevLett.103.152301
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2009SH16      Nucl.Phys. A821, 106 (2009)

A.Shahbaz, C.Muller, T.J.Burvenich, C.H.Keitel

Laser-induced nonresonant nuclear excitation in muonic atoms

NUCLEAR REACTIONS 16N, 19F, 235U(γ, X), E=1-10000 eV; calculated nuclear transition probabilities for laser-induced nuclear excitation in muonic atoms.

doi: 10.1016/j.nuclphysa.2009.02.008
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2008PA04      Phys.Lett. B 661, 330 (2008)

A.Palffy, Z.Harman, C.Kozhuharov, C.Brandau, C.H.Keitel, W.Scheid T.Stohlker

Nuclear excitation by electron capture followed by fast x-ray emission

RADIOACTIVITY 232Th, 238U(IT); calculated excited state T1/2 for nuclear excitation following electron capture for differently charged ions.

doi: 10.1016/j.physletb.2008.07.02.027
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2008PA08      Phys.Rev. C 77, 044602 (2008)

A.Palffy, J.Evers, C.H.Keitel

Electric-dipole-forbidden nuclear transitions driven by super-intense laser fields

NUCLEAR REACTIONS 83Kr, 137La, 151,153Sm, 151,153Eu, 156Gd, 161,162Dy, 165Ho, 169Tm, 173Yb, 181Ta, 187Os, 238U(γ, γ), E<12.4 keV; calculated nuclear excitation energies, B(E1), multipolarities.

doi: 10.1103/PhysRevC.77.044602
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2007PA40      Phys.Rev.Lett. 99, 172502 (2007)

A.Palffy, J.Evers, C.H.Keitel

Isomer Triggering via Nuclear Excitation by Electron Capture

RADIOACTIVITY 93Mo, 152Eu, 178Hf, 189Os, 204Pb, 235U, 242Am(IT); calculated total cross sections for nuclear excitation by electron capture.

doi: 10.1103/PhysRevLett.99.172502
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2006BU03      Phys.Rev.Lett. 96, 142501 (2006)

T.J.Burvenich, J.Evers, C.H.Keitel

Nuclear Quantum Optics with X-Ray Laser Pulses

NUCLEAR REACTIONS 223Ra(X-ray, X), E=low; calculated excitation rate, inversion vs time for laser-induced nuclear excitation.

doi: 10.1103/PhysRevLett.96.142501
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2006BU20      Phys.Rev. C 74, 044601 (2006)

T.J.Burvenich, J.Evers, C.H.Keitel

Dynamic nuclear Stark shift in superintense laser fields

NUCLEAR MOMENTS 16O, 168Er, 240Pu; calculated dynamic nuclear Stark shift in superintense laser fields.

doi: 10.1103/PhysRevC.74.044601
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