Irregularities in Energy Sequences of Ni- Like Ions. Applications to Wavelengths Calculations of the Self-Photo Pumped 4f1P1 ? 4d 1P1 X-ray Laser Transition

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Ivanova E.P.
Ivanova E.P.
1 Institute of spectroscopy of RAS, Troitsk, 108840 Moscow region

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Irregularities in Energy Sequences of Ni- Like Ions. Applications to Wavelengths Calculations of the Self-Photo Pumped 4f1P1 ? 4d 1P1 X-ray Laser Transition Banner
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The energies of the Ni-like ions with Z=36-51 are calculated. The energies of the low 3d 3/2 4d 3/2 [J=1] and upper 3d 3/2 4f 5/2 [J=1] working levels of the self-photopumped X-ray laser are analyzed along the sequence. We studied irregularities in the crossing Z-points of each working level with another level of the same parity. The irregularities are the features of the energy levels and of the radiative transition probabilities (RTP) associated with this level. They result in a decrease in the radiative transition probability (RTP) in one transition channel and an enhancement of RTP in another channel. The list of elements that lase on the self-photopumped transition can be extended much further than originally known. We present the first calculation of the wavelengths of this transition in Ni-like sequence to Z = 79 using the relativistic perturbation theory with a zero approximation model potential.

26 Cites in Articles

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Funding

No external funding was declared for this work.

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The authors declare no conflict of interest.

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No ethics committee approval was required for this article type.

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Ivanova E.P.. 2017. \u201cIrregularities in Energy Sequences of Ni- Like Ions. Applications to Wavelengths Calculations of the Self-Photo Pumped 4f1P1 ? 4d 1P1 X-ray Laser Transition\u201d. Global Journal of Science Frontier Research - F: Mathematics & Decision GJSFR-F Volume 17 (GJSFR Volume 17 Issue F6): .

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Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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GJSFR-F Classification: MSC 2010: 00A69
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v1.2

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November 8, 2017

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English

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The energies of the Ni-like ions with Z=36-51 are calculated. The energies of the low 3d 3/2 4d 3/2 [J=1] and upper 3d 3/2 4f 5/2 [J=1] working levels of the self-photopumped X-ray laser are analyzed along the sequence. We studied irregularities in the crossing Z-points of each working level with another level of the same parity. The irregularities are the features of the energy levels and of the radiative transition probabilities (RTP) associated with this level. They result in a decrease in the radiative transition probability (RTP) in one transition channel and an enhancement of RTP in another channel. The list of elements that lase on the self-photopumped transition can be extended much further than originally known. We present the first calculation of the wavelengths of this transition in Ni-like sequence to Z = 79 using the relativistic perturbation theory with a zero approximation model potential.

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Irregularities in Energy Sequences of Ni- Like Ions. Applications to Wavelengths Calculations of the Self-Photo Pumped 4f1P1 ? 4d 1P1 X-ray Laser Transition

Ivanova E.P.
Ivanova E.P. Institute of spectroscopy of RAS, Troitsk, 108840 Moscow region

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