Search Results - "LIESEN, D"
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Wavelength-dispersive spectroscopy in the hard x-ray regime of a heavy highly-charged ion: the 1s Lamb shift in hydrogen-like gold
Published in New journal of physics (18-07-2018)“…Accurate spectroscopy of highly-charged high-Z ions in a storage ring is demonstrated to be feasible by the use of specially adapted crystal optics. The method…”
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2
Quantum electrodynamics in strong electric fields : The ground-state lamb shift in hydrogenlike uranium
Published in Physical review letters (10-06-2005)“…X-ray spectra following radiative recombination of free electrons with bare uranium ions (U92+) were measured at the electron cooler of the ESR storage ring…”
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3
First measurement of the linear polarization of radiative electron capture transitions
Published in Physical review letters (01-12-2006)“…For radiative electron capture into the K shell of bare uranium ions, a study of the polarization properties has been performed. For this purpose a position…”
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4
Theory of the polarization of highly charged ions in storage rings: Production, preservation, observation and application to the search for a violation of the fundamental symmetries
Published in Physics reports (01-10-2011)“…Theoretical concepts for the production, preservation and control of polarized highly charged ion beams in storage rings are investigated. It is argued that…”
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5
Considerations towards the possibility of the observation of parity nonconservation in highly charged ions in storage rings
Published in Physica scripta (01-02-2018)“…The feasibility of an experiment for the observation of parity nonconserving effects using He-like highly charged ions in storage rings is discussed…”
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6
High‐resolution wavelength‐dispersive spectroscopy of K‐shell transitions in hydrogen‐like gold
Published in X-ray spectrometry (01-01-2020)“…We present a measurement of K‐shell transitions in H‐like gold (Au78+) using specially developed transmission type crystal spectrometers combined with Ge(i)…”
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7
Observation of the 2p3/2→2s1/2 intra-shell transition in He-like uranium
Published in Europhysics letters (09-10-2009)“…We present the first observation of the 1s2p 3P2 → 1s2s 3S1 transition in He-like uranium. The experiment was performed at the internal gas-jet target of the…”
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8
Measurements of high energy loss rates of fast highly charged U ions channeled in thin silicon crystals
Published in Physical review. B, Condensed matter and materials physics (19-07-2011)“…The results of two channeling experiments show that highly charged heavy ions at moderate velocities (v<<Zv{sub 0}) may lose more energy in the traversal of a…”
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9
Electron-electron interaction in strong electromagnetic fields: the two-electron contribution to the ground-state energy in He-like uranium
Published in Physical review letters (21-05-2004)“…Radiative recombination transitions into the ground state of cooled bare and hydrogenlike uranium ions were measured at the storage ring ESR. By comparing the…”
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10
Schemes for radiative polarization of ion beams in storage rings
Published in Physics letters. B (13-11-2003)“…It is argued that in storage rings hydrogen-like ions can be polarized due to their large magnetic moment and the existence of hyperfine ground-state levels…”
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11
Linear polarization of x-ray photons in HFQ transitions of polarized He-like ions with application to the search for parity nonconservation effects
Published in Physica scripta (01-06-2011)Get full text
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12
Inner-shell couplings in transiently formed superheavy quasimolecules
Published in Physica scripta (01-06-2011)Get full text
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13
Crystal optics for hard-X-ray spectroscopy of highly charged ions
Published in Spectrochimica acta. Part B: Atomic spectroscopy (01-08-2009)“…A twin crystal-spectrometer assembly, operated in the focusing compensated asymmetric Laue geometry has been developed for accurate spectroscopy of fast highly…”
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14
Differential energy measurement between He- and Li-like uranium intra-shell transitions
Published in Physica scripta (01-06-2011)“…We present the first clear identification and highly accurate measurement of the intra-shell transition $1s2p\, ^3\!P_2 \to 1s2s\, ^3\!S_1$ of He-like uranium…”
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15
Near-threshold photoionization of hydrogenlike uranium studied in ion-atom collisions via the time-reversed process
Published in Physical review letters (05-02-2001)“…Radiative electron capture, the time-reversed photoionization process occurring in ion-atom collisions, provides presently the only access to photoionization…”
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16
Atomic physics with highly-charged heavy ions at the GSI future facility: The scientific program of the SPARC collaboration
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-05-2005)“…The proposed new international accelerator Facility for Antiproton and Ion Research (FAIR) will open up exciting and far-reaching perspectives for atomic…”
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17
The FOCAL spectrometer for accurate X-ray spectroscopy of fast heavy ions
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-04-2006)“…A system of two crystal spectrometers for accurate wavelength measurements of hard X-rays emitted by heavy ions in flight is presently being completed. The…”
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FOCAL: X-ray optics for accurate spectroscopy
Published in Spectrochimica acta. Part B: Atomic spectroscopy (08-10-2004)“…A crystal spectrometer has been constructed in the Focusing Compensated Asymmetric Laue geometry covering the energy range between 30 and 120 keV. We summarize…”
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19
Probing superheavy quasimolecular collisions with incoming inner shell vacancies
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-04-2006)“…With the advanced accelerator technologies used at the SIS/ESR heavy ion facility at GSI, the highest charge states (bare, H-like, etc.) even for the heaviest…”
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20
The enhancement effect in K-shell radiative recombination of U92+ ions with cooling electrons
Published in The European physical journal. Special topics (01-03-2009)Get full text
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