Scrutinizing Al-like V 10+ 51, Cr 11+ 53, Mn 12+ 55, Fe 13+ 57, Co 14+ 59, Ni 15+ 61, and Cu 16+ 63 ions for atomic clocks with uncertainties below the 10− 19 level

Y Yu, BK Sahoo - Physical Review A, 2016 - APS
We investigate the transition between the fine structure levels of the ground state, 3 p 2 P
1/2→ 3 p 2 P 3/2, of the highly charged Al-like V 10+ 51, Cr 11+ 53, Mn 12+ 55, Fe 13+ 57 …

Accurate study on the properties of spectral lines for Na-like Cr13+

AK Singh, M Dimri, D Dawra, AKS Jha… - Canadian Journal of …, 2019 - cdnsciencepub.com
An extended calculation of energy levels, radiative rates, and lifetimes are reported for
sodium-like chromium. Extensive configuration interaction calculations have been …

Spectroscopic study of EUV and SXR transitions of Cu XIX with plasma parameters

AK Singh, M Dimri, D Dawra, AKS Jha, N Verma… - Radiation Physics and …, 2019 - Elsevier
Extensive and elaborate theoretical computations of Cu XIX have been performed by
employing multi-configuration Dirac-Fock (MCDF) method. We have presented energy …

Atomic structure and electron impact excitation of Al-like ions (Ga–Br)

HB Wang, G Jiang - Atomic Data and Nuclear Data Tables, 2022 - Elsevier
Dirac atomic R-matrix coupling (DARC) calculations were conducted on Al-like ions (31≤
Z≤ 35), which included a total of 163 fine structure levels in both the configuration …

Theoretical photoionization study of Ti9+ ion

H Wang, G Jiang - Canadian Journal of Physics, 2021 - cdnsciencepub.com
Photoionization (PI) of the Ti9+ ion is investigated using the Dirac R-matrix method. Multi-
configuration Dirac–Fock (MCDF) calculations are performed to construct accurate target …

Fully relativistic atomic structure calculations for W XLIV for determination of plasma diagnostic terms

A Goyal, R Sharma, AK Singh… - Canadian Journal of …, 2017 - cdnsciencepub.com
We report accurate calculations of W XLIV through application of multi-configuration Dirac–
Fock wave functions. We have calculated the energies for the lowest 100 fine structure …

Atomic structure of Cr XIII and photoionization of Cr XII

HB Wang - Indian Journal of Physics, 2022 - Springer
Abstract Photoionization (PI) of Cr XII is investigated using the Dirac atomic R-matrix
method. The present energy levels of Cr XIII are in accordance with experimental values and …

Spectroscopic study of EUV and SXR transitions of Cs XXV

A Goyal, I Khatri, N Singh, S Aggarwal… - Canadian Journal of …, 2018 - cdnsciencepub.com
We report an extensive and elaborate theoretical study of atomic data for Cs XXV by using
multi-configuration Dirac–Fock method and calculated energy levels for the lowest 110 fine …

Energy Levels, Wavelengths and Life Time for Transitions in Ag XIV

A Mera - 2020 International Youth Conference on Radio …, 2020 - ieeexplore.ieee.org
Atomic parameters were estimated for the 4s 2 4p 4, 4s 4p 4 4d, 4s 4p 5, 4s 2 4p 3 4d and 4s
2 4p 3 4f configurations for electric quadrupole (E2) and magnetic dipole (M1) transitions …

Research groups

M Mohan, AK Singh, AK Pradhan, SN Nahar, AKS Jha… - amdis.iaea.org
In recent years, the high quality observational data recorded by space missions such as
International Ultraviolet Explorer (EUVE), the Advanced Satellite for Cosmology and …