Identification of 3d–4p transitions in Co-like W xlvii and Tm xliii and in Cu-like W xlvi and Tm xli from laser-produced plasmas

Klapisch, M.; Mandelbaum, P.; Bar‐Shalom, A.; Schwob, J. L.; Zigler, A.; Jäckel, S.

doi:10.1364/josa.71.001276

Cited by 12 publications

(12 citation statements)

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“…It was shown in Ref. [12] that most of the 3d-4p Cu-like intensities come from the (3s 2 3p 6 3d 10 4s-3s 2 3p 6 3d 9 4s4p), (3s 2 3p 6 3d 10 4p-3s 2 3p 6 3d 9 4p 2 ), (3s 2 3p 6 3d 10 4d-3s 2 3p 6 3d 9 4p4d), and (3s 2 3p 6 3d 10 4f -3s 2 3p 6 3d 9 4p4f ) transitions. The wave lengths and transition probabilities were calculated in Ref.…”

Section: Introductionmentioning

confidence: 78%

“…The upper indices are used in the COWAN code to differentiate between atomic terms. Designations used are 3p 6 3d 9 nln l = 3dnln l and 3p 5 3d 10 [12] values of gA a are listed in Table IV to illustrate our work. [27,30,44].…”

Section: Energy Levels Transition Probabilities and Autoionizatmentioning

confidence: 99%

“…Measurements of 3d-4p transitions in Cu-like W and Tm were done by Klapisch et al in Ref. [12] by classification of x-ray spectra from laser-produced plasmas in the range 6-9Å. It was shown in Ref.…”

Section: Introductionmentioning

confidence: 99%

“…The wave lengths and transition probabilities were calculated in Ref. [12] by the relativistic parametric potential atomic structure code (RELAC) method [13]. The same method was extended by Mandelbaum et al in Ref.…”

Section: Introductionmentioning

confidence: 99%

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Relativistic atomic data for Cu-like tungsten

Safronova

Beiersdörfer

2012

Phys. Rev. A

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Energy levels, radiative transition probabilities, and autoionization rates for [Ne]3s 2 3p 6 3d 9 4l nl, [Ne]3s 2 3p 5 3d 10 4l nl (n = 4-6), and [Ne]3s 2 3p 6 3d 9 5l nl (n = 5-7) states in Cu-like tungsten (W 45+ ) are calculated using the relativistic many-body perturbation theory method (RMBPT code), the multiconfiguration relativistic Hebrew University Lawrence Livermore Atomic Code (HULLAC), and the Hartree-Fock relativistic method (COWAN code). Autoionizing levels above the [Ne]3s 2 3p 6 3d 10 threshold are considered. It is found that configuration mixing among [Ne]3s 2 3p 6 3d 9 4l nl and [Ne]3s 2 3p 5 3d 10 4l nl plays an important role for all atomic characteristics. Branching ratios relative to the first threshold and intensity factors are calculated for satellite lines, and dielectronic recombination (DR) rate coefficients are determined for the singly excited [Ne]3s 2 3p 6 3d 10 nl (n = 5-7) as well as doubly excited, nonautoionizing [Ne]3s 2 3p 6 3d 9 4s4l (l = s,p,d,f ), [Ne]3s 2 3p 6 3d 9 4p4l (l = p,d,f ), [Ne]3s 2 3p 6 3d 9 4d 2 , [Ne]3s 2 3p 5 3d 10 4s4l (l = s,p,d), and [Ne]3s 2 3p 5 3d 10 4p 2 states in Cu-like W 45+ ions. Contributions from the autoionizing doubly excited [Ne]3s 2 3p 6 3d 9 4l nl, [Ne]3s 2 3p 5 3d 10 4l nl, and [Ne]3s 2 3p 6 3d 9 5l nl states (with n up to 500), which are particulary important for calculating total DR rates, are estimated. Synthetic dielectronic satellite spectra from Cu-like W are simulated in a broad spectral range from 3 to 70Å. These calculations provide highly accurate values for a number of W 45+ properties useful for a variety of applications, including fusion applications.

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Section: Introductionmentioning

confidence: 78%

Section: Energy Levels Transition Probabilities and Autoionizatmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Relativistic atomic data for Cu-like tungsten

Safronova

Beiersdörfer

2012

Phys. Rev. A

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“…It was shown that most of the Cu-like 3d − 4p line radiation came from (3s 2 3p 6 3d 10 4s − 3s 2 3p 6 3d 9 4s4p), (3s 2 3p 6 3d 10 4p − 3s 2 3p 6 3d 9 4p 2 ), (3s 2 3p 6 3d 10 4d − 3s 2 3p 6 3d 9 4p4d), and (3s 2 3p 6 3d 10 4f − 3s 2 3p 6 3d 9 4p4f ) transitions. Wavelengths and transition probabilities were calculated in [3] by the relativistic parametric potential method [4]. The same method was extended by Mandelbaum et al [5] to study x-ray spectra from laser produced plasmas of atoms from Tm (Z = 69) up to Pt (Z = 78).…”

Section: Introductionmentioning

confidence: 99%

Relativistic many-body calculations of excitation energies and transition rates from core-excited states in copperlike ions

et al. 2003

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Energies of (3s 2 3p 6 3d 9 4l4l ′ ), (3s 2 3p 5 3d 10 4l4l ′ ), and (3s3p 6 3d 10 4l4l ′ ) states for Cu-like ions with Z = 30 -100 are evaluated to second order in relativistic many-body perturbation theory (RMBPT) starting from a Ni-like Dirac-Fock potential. Second-order Coulomb and Breit-Coulomb interactions are included. Correction for the frequency-dependence of the Breit interaction is taken into account in lowest order. The Lamb shift correction to energies is also included in lowest order. Intrinsic particle-particle-hole contributions to energies are found to be 20-30% of the sum of one-and twobody contributions. Transition rates and line strengths are calculated for the 3l − 4l ′ electric-dipole (E1) transitions in Cu-like ions with nuclear charge Z = 30 -100. RMBPT including the Breit interaction is used to evaluate retarded E1 matrix elements in length and velocity forms. First-order RMBPT is used to obtain intermediate coupling coefficients and second-order RMBPT is used to calculate transition matrix elements. A detailed discussion of the various contributions to the dipole matrix elements and energy levels is given for copperlike tungsten (Z = 74). The transition energies used in the calculation of oscillator strengths and transition rates are from second-order RMBPT. Trends of the transition rates as functions of Z are illustrated graphically for selected transitions. Comparisons are made with available experimental data. These atomic data are important in modeling of M-shell radiation spectra of heavy ions generated in electron beam ion trap experiments and in M-shell diagnostics of plasmas.

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