Energy Levels, Lifetimes, and Transition Properties for N <span style="font-variant: small-caps">iii</span> – <span style="font-variant: small-caps">v</span>
We present excitation energies, transition wavelengths, electric dipole (E1) transition rates, oscillator strengths, line strengths, and lifetimes for the 86 lowest states up to and including <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline&quo...
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| author | Meichun Li Juan Du Kaijian Huang Wenxian Li |
| author_facet | Meichun Li Juan Du Kaijian Huang Wenxian Li |
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| description | We present excitation energies, transition wavelengths, electric dipole (E1) transition rates, oscillator strengths, line strengths, and lifetimes for the 86 lowest states up to and including <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mrow><mn>1</mn><msup><mi mathvariant="normal">s</mi><mn>2</mn></msup></mrow><mn>2</mn><msup><mi mathvariant="normal">s</mi><mn>2</mn></msup><mn>7</mn><mi mathvariant="normal">f</mi></mrow></semantics></math></inline-formula> in N <span style="font-variant: small-caps;">iii</span>, the 125 lowest states up to and including <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mrow><mn>1</mn><msup><mi mathvariant="normal">s</mi><mn>2</mn></msup></mrow><mn>2</mn><mi mathvariant="normal">s</mi><mn>7</mn><mi mathvariant="normal">f</mi></mrow></semantics></math></inline-formula> in N <span style="font-variant: small-caps;">iv</span>, and the 53 lowest states up to <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>1</mn><msup><mi mathvariant="normal">s</mi><mn>2</mn></msup><mn>8</mn><mi mathvariant="normal">g</mi></mrow></semantics></math></inline-formula> in N <span style="font-variant: small-caps;">v</span> using the multiconfiguration Dirac–Hartree–Fock (MCDHF) and relativistic configuration interaction (RCI) methods. The computed results are then compared with data from the Atomic Spectra Database of the National Institute of Standards and Technology (NIST-ASD), experimental results, and other theoretical studies. For all levels in N <span style="font-variant: small-caps;">iii</span> – <span style="font-variant: small-caps;">v</span>, the root mean square energy differences from the NIST values are 130, 103, and 6 cm<sup>−1</sup>, respectively. Compared to previous multiconfiguration Hartree–Fock and the Breit–Pauli (MCHF-BP) calculations, 89.3%, 98.5%, and 100% of the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>log</mo><mo>(</mo><mi>g</mi><mi>f</mi><mo>)</mo></mrow></semantics></math></inline-formula> values for N <span style="font-variant: small-caps;">iii</span> – <span style="font-variant: small-caps;">v</span> agree within 5%, respectively. |
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| spelling | doaj-art-c761c0ef21954b2da74f0a7bea6a71c72025-08-20T02:24:31ZengMDPI AGAtoms2218-20042025-06-011364910.3390/atoms13060049Energy Levels, Lifetimes, and Transition Properties for N <span style="font-variant: small-caps">iii</span> – <span style="font-variant: small-caps">v</span>Meichun Li0Juan Du1Kaijian Huang2Wenxian Li3School of Electronic Information and Electrical Engineering, Huizhou University, Huizhou 516007, ChinaSchool of Electronic Information and Electrical Engineering, Huizhou University, Huizhou 516007, ChinaSchool of Electronic Information and Electrical Engineering, Huizhou University, Huizhou 516007, ChinaState Key Laboratory of Solar Activity and Space Weather, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100190, ChinaWe present excitation energies, transition wavelengths, electric dipole (E1) transition rates, oscillator strengths, line strengths, and lifetimes for the 86 lowest states up to and including <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mrow><mn>1</mn><msup><mi mathvariant="normal">s</mi><mn>2</mn></msup></mrow><mn>2</mn><msup><mi mathvariant="normal">s</mi><mn>2</mn></msup><mn>7</mn><mi mathvariant="normal">f</mi></mrow></semantics></math></inline-formula> in N <span style="font-variant: small-caps;">iii</span>, the 125 lowest states up to and including <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mrow><mn>1</mn><msup><mi mathvariant="normal">s</mi><mn>2</mn></msup></mrow><mn>2</mn><mi mathvariant="normal">s</mi><mn>7</mn><mi mathvariant="normal">f</mi></mrow></semantics></math></inline-formula> in N <span style="font-variant: small-caps;">iv</span>, and the 53 lowest states up to <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>1</mn><msup><mi mathvariant="normal">s</mi><mn>2</mn></msup><mn>8</mn><mi mathvariant="normal">g</mi></mrow></semantics></math></inline-formula> in N <span style="font-variant: small-caps;">v</span> using the multiconfiguration Dirac–Hartree–Fock (MCDHF) and relativistic configuration interaction (RCI) methods. The computed results are then compared with data from the Atomic Spectra Database of the National Institute of Standards and Technology (NIST-ASD), experimental results, and other theoretical studies. For all levels in N <span style="font-variant: small-caps;">iii</span> – <span style="font-variant: small-caps;">v</span>, the root mean square energy differences from the NIST values are 130, 103, and 6 cm<sup>−1</sup>, respectively. Compared to previous multiconfiguration Hartree–Fock and the Breit–Pauli (MCHF-BP) calculations, 89.3%, 98.5%, and 100% of the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>log</mo><mo>(</mo><mi>g</mi><mi>f</mi><mo>)</mo></mrow></semantics></math></inline-formula> values for N <span style="font-variant: small-caps;">iii</span> – <span style="font-variant: small-caps;">v</span> agree within 5%, respectively.https://www.mdpi.com/2218-2004/13/6/49atomic datatransition probabilitiesoscillator strengthlifetime |
| spellingShingle | Meichun Li Juan Du Kaijian Huang Wenxian Li Energy Levels, Lifetimes, and Transition Properties for N <span style="font-variant: small-caps">iii</span> – <span style="font-variant: small-caps">v</span> Atoms atomic data transition probabilities oscillator strength lifetime |
| title | Energy Levels, Lifetimes, and Transition Properties for N <span style="font-variant: small-caps">iii</span> – <span style="font-variant: small-caps">v</span> |
| title_full | Energy Levels, Lifetimes, and Transition Properties for N <span style="font-variant: small-caps">iii</span> – <span style="font-variant: small-caps">v</span> |
| title_fullStr | Energy Levels, Lifetimes, and Transition Properties for N <span style="font-variant: small-caps">iii</span> – <span style="font-variant: small-caps">v</span> |
| title_full_unstemmed | Energy Levels, Lifetimes, and Transition Properties for N <span style="font-variant: small-caps">iii</span> – <span style="font-variant: small-caps">v</span> |
| title_short | Energy Levels, Lifetimes, and Transition Properties for N <span style="font-variant: small-caps">iii</span> – <span style="font-variant: small-caps">v</span> |
| title_sort | energy levels lifetimes and transition properties for n span style font variant small caps iii span span style font variant small caps v span |
| topic | atomic data transition probabilities oscillator strength lifetime |
| url | https://www.mdpi.com/2218-2004/13/6/49 |
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