Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Swaraj Tayal"'
Autor:
Oleg Zatsarinny, Swaraj Tayal
Publikováno v:
Atoms, Vol 8, Iss 3, p 51 (2020)
Partial and total photoionization cross sections of iron-peak elements are important for the determination of abundances in late-type stars and nebular objects. We have investigated photoionization of neutral chromium from the ground and excited stat
Externí odkaz:
https://doaj.org/article/186b677483094e65a2b57644bfbcf5a7
Publikováno v:
Zatsarinny, O, Bartschat, K, Fernandez Menchero, L & Tayal, S S 2019, ' Photoionization of neutral iron from the ground and excited states ', Physical Review A, vol. 99, no. 2, pp. 023430 . https://doi.org/10.1103/PhysRevA.99.023430
The B-spline R-matrix method is used to investigate the photoionization of neutral iron from the ground and excited states in the energy region from the ionization thresholds to 2 Ry. The multiconfiguration Hartree-Fock method in connection with adju
Publikováno v:
Journal of Physics: Conference Series. 1412:102005
Synopsis The B-spline R-matrix method is used to investigate the photoionization of neutral iron from its ground and the lowest 43 excited states in the energy region from the ionization thresholds to 2 Ry. The sensitivity of the predictions is check
Autor:
Swaraj Tayal, Oleg Zatsarinny
Publikováno v:
The Astrophysical Journal. 888:10
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 39:1237-1249
The B-spline R-matrix method is employed to investigate the low-energy elastic electron scattering by atomic oxygen. Flexible non-orthogonal sets of radial functions are used to construct the target description and to represent the scattering functio
Autor:
Swaraj Tayal
Publikováno v:
The Astrophysical Journal. 582:550-557
The Breit-Pauli R-matrix with pseudostates approach has been used to calculate electron collisional excitation strengths for transitions between the 24 lowest fine-structure levels belonging to 14 LS terms (ns 2S, np 2P0 [n = 2-5], nd 2D [n = 3-5], n
Autor:
Swaraj Tayal, Oleg Zatsarinny
Publikováno v:
The Astrophysical Journal. 850:147
Transition probabilities, electron excitation collision strengths, and rate coefficients for a large number of O iii lines over a broad wavelength range, from the infrared to ultraviolet, have been reported. The collision strengths have been calculat
Autor:
Swaraj Tayal, Oleg Zatsarinny
Publikováno v:
Journal of Physics: Conference Series. 875:052002
Autor:
Swaraj Tayal
Publikováno v:
The Astrophysical Journal. 544:575-580
Electron excitation collision strengths for fine-structure transitions in Fe X, Fe XI, and Fe XIII are calculated using full Breit-Pauli R-matrix approach. We included 49 fine-structure levels of Fe X, 38 fine-structure levels of Fe XI, and 26 fine-s
Publikováno v:
The Astrophysical Journal. 541:501-505
Experimental and theoretical collisional excitation cross sections are reported for the 3s23p2 3P → 3s3p3 5So spin-forbidden transition in S2+. The transition energies (wavelengths) are 7.171 eV (1728.9 A, J = 2 → 2) and 7.237 eV (1713.1 A, J = 2