scholarly journals EUV Beam-Foil Spectra of Titanium, Iron, Nickel, and Copper

Atoms ◽  
2021 ◽  
Vol 9 (3) ◽  
pp. 45
Author(s):  
Elmar Träbert
Keyword(s):  
Electron Beam ◽  
Line Intensity ◽  
Ion Trap ◽  
Extreme Ultraviolet ◽  
Single Element ◽  
Time Resolved ◽  
Electron Beam Ion Trap ◽  
Iron Nickel ◽  
Intensity Ratios ◽  
Beam Foil

Beam–foil spectroscopy offers the efficient excitation of the spectra of a single element as well as time-resolved observation. Extreme-ultraviolet (EUV) beam–foil survey and detail spectra of Ti, Fe, Ni, and Cu are presented, as well as survey spectra of Fe and Ni obtained at an electron beam ion trap. Various details are discussed in the context of line intensity ratios, yrast transitions, prompt and delayed spectra, and intercombination transitions.

scholarly journals Emission-Line Intensity Ratios in F[CLC]e[/CLC] [CSC]xvii[/CSC] Observed with a Microcalorimeter on an Electron Beam Ion Trap

2000 ◽  
Vol 545 (2) ◽  
pp. L161-L164 ◽  
Author(s):  
J. M. Laming ◽  
I. Kink ◽  
E. Takacs ◽  
J. V Porto ◽  
J. D. Gillaspy ◽  
...  
Keyword(s):  
Electron Beam ◽  
Emission Line ◽  
Line Intensity ◽  
Ion Trap ◽  
Electron Beam Ion Trap ◽  
Intensity Ratios

scholarly journals EUV Beam-Foil Spectra of Scandium, Vanadium, Chromium, Manganese, Cobalt, and Zinc

Atoms ◽  
2021 ◽  
Vol 9 (2) ◽  
pp. 23
Author(s):  
Elmar Träbert
Keyword(s):  
Survey Data ◽  
Light Source ◽  
Line Intensity ◽  
Extreme Ultraviolet ◽  
Single Element ◽  
Ultraviolet Spectra ◽  
Intensity Ratios ◽  
Beam Foil

Beam-foil extreme-ultraviolet spectra of Sc, V, Cr, Mn, Co and Zn are presented that provide survey data of a single element exclusively. Various details are discussed in the context of line intensity ratios, yrast transitions, delayed spectra and peculiar properties of the beam-foil light source.

scholarly journals Intercombination Transitions in the n = 4 Shell of Zn-, Ga-, and Ge-Like Ions of Elements Kr through Xe

Atoms ◽  
2018 ◽  
Vol 6 (3) ◽  
pp. 40 ◽  
Author(s):  
Elmar Träbert ◽  
Juan Santana ◽  
Pascal Quinet ◽  
Patrick Palmeri
Keyword(s):  
Electron Beam ◽  
Ion Trap ◽  
State Of The Art ◽  
Light Sources ◽  
Electron Beam Ion Trap ◽  
Beam Foil ◽  
Cu And Zn

Earlier beam-foil measurements have targeted 4s-4p intercombination transitions in the Zn-, Ga- and Ge-like ions of Nb (Z=41), Mo (Z=42), Rh (Z=44), Ag (Z=47) and I (Z=53). At the time, the spectra were calibrated with literature data on prominent lines in the Cu- and Zn-like ions. Corresponding literature data on the intercombination transitions in Ga- and Ge-like ions were largely lacking, which caused some ambiguity in the line identifications. We review the (mostly computational) progress made since. We find that a consistent set of state-of-the-art computations of Ga- and Ge-like ions would be highly desirable for revisiting the beam-foil data and the former line identifications for the elements from Kr (Z=36) to Xe (Z=54). We demonstrate that the literature data for these two isoelectronic sequences are insufficient, and we contribute reference computations in the process. We discuss the option of electron beam ion trap measurements as an alternative to the earlier use of classical light sources, beam-foil interaction and laser-produced plasmas, with the example of Xe (Z=54).

EXTREME-ULTRAVIOLET SPECTROSCOPY OF Fe VI-Fe XV AND ITS DIAGNOSTIC APPLICATION FOR ELECTRON BEAM ION TRAP PLASMAS

2009 ◽  
Vol 696 (2) ◽  
pp. 2275-2289 ◽  
Author(s):  
G. Y. Liang ◽  
T. M. Baumann ◽  
J. R. Crespo López-Urrutia ◽  
S. W. Epp ◽  
H. Tawara ◽  
...  
Keyword(s):  
Electron Beam ◽  
Ion Trap ◽  
Extreme Ultraviolet ◽  
Ultraviolet Spectroscopy ◽  
Diagnostic Application ◽  
Electron Beam Ion Trap

Spectroscopic analysis of M- and N-intrashell transitions in Co-like to Na-like Yb ions

2021 ◽  
Author(s):  
Roshani Silwal ◽  
Dipti Dipti ◽  
Endre Takacs ◽  
Joan M. Dreiling ◽  
Samuel C Sanders ◽  
...  
Keyword(s):  
Electron Beam ◽  
Magnetic Dipole ◽  
Large Scale ◽  
Ion Trap ◽  
Extreme Ultraviolet ◽  
Wavelength Region ◽  
Grazing Incidence ◽  
Spectral Lines ◽  
Electron Beam Ion Trap ◽  
Large Scale Simulations

Abstract The M-intrashell spectra from Co-like Yb43+ through Na-like Yb59+ ions produced in an electron beam ion trap (EBIT) at the National Institute of Standards and Technology have been studied in the extreme ultraviolet (EUV) range. A few N-intrashell transitions for Co-like Yb43+ and Fe-like Yb44+ are also reported. The EUV radiation was observed with a flat-field grazing incidence spectrometer in the wavelength region of about 7.5 nm to 26.2 nm. The electron beam energies were varied between 3.6 keV and 18 keV to produce the ionization stages of interest. The line identifications were based on the large-scale simulations of the EBIT plasma emission using the non-Maxwellian collisional-radiative code NOMAD. A total of 76 previously unobserved spectral lines corresponding to electric-dipole and magnetic-dipole transitions in the above mentioned ions were identified and discussed. In particular, our accurate wavelength of 24.3855±0.0005 nm for a magnetic-dipole (M1) transition in the ground configuration of Co-like ion presents a solid benchmark for comparisons with the most advanced theories of atomic structure.

Accurate wavelengths of resonance lines in Zn-like heavy ions

2003 ◽  
Vol 81 (7) ◽  
pp. 911-918 ◽  
Author(s):  
S B Utter ◽  
P Beiersdorfer ◽  
E Träbert
Keyword(s):  
Electron Beam ◽  
Heavy Ions ◽  
Ion Trap ◽  
Extreme Ultraviolet ◽  
Electron Beam Ion Trap ◽  
Flat Field ◽  
Improved Accuracy

Using an electron-beam ion trap and a flat-field spectrometer, the extreme ultraviolet resonance lines of Zn-like ions of Yb, W, Au, Pb, Th, and U were observed and their wavelengths measured with greatly improved accuracy. The results are compared to those from laser-produced plasmas and to theory, and significant differences are found. PACS Nos.: 32.30.Jc, 39.30.+w

scholarly journals Extended-range grazing-incidence spectrometer for high-resolution extreme ultraviolet measurements on an electron beam ion trap

2014 ◽  
Vol 85 (11) ◽  
pp. 11E422 ◽  
Author(s):  
P. Beiersdorfer ◽  
E. W. Magee ◽  
G. V. Brown ◽  
N. Hell ◽  
E. Träbert ◽  
...  
Keyword(s):  
Electron Beam ◽  
High Resolution ◽  
Ion Trap ◽  
Extreme Ultraviolet ◽  
Grazing Incidence ◽  
Electron Beam Ion Trap ◽  
Extended Range
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