Zobrazeno 1 - 10
of 130
pro vyhledávání: '"N. Nahar"'
Publikováno v:
Results in Physics, Vol 5, Iss C, Pp 3-8 (2015)
Triple differential cross sections (TDCS) for the ionization of metastable 2P-state hydrogen atoms by electrons are calculated for various kinematic conditions in the asymmetric coplanar geometry. In this calculation, the final state is described by
Externí odkaz:
https://doaj.org/article/eff7efda4c1a4949abbfe215591a6782
Publikováno v:
Indian Journal of Physics. 94:565-574
Energies, weighted oscillator strengths (gf), line strengths (S) and radiative rates (A) for allowed and forbidden transitions are presented for 2s2p62S1/2 − 2s22p52P1/2, 2P3/2 and 2s22p52P1/2 − 2s22p52P3/2 transitions in fluorine-like Ca XII (Z
Autor:
Sultana N. Nahar
Publikováno v:
Atoms
Volume 8
Issue 4
Atoms, Vol 8, Iss 68, p 68 (2020)
Volume 8
Issue 4
Atoms, Vol 8, Iss 68, p 68 (2020)
The online atomic database of NORAD-Atomic-Data, where NORAD stands for Nahar OSU Radiative, is part of the data sources of the two international collaborations of the Opacity Project (OP) and the Iron Project (IP). It contains large sets of paramete
Autor:
Sultana N. Nahar
Publikováno v:
Atoms, Vol 9, Iss 73, p 73 (2021)
Atoms
Volume 9
Issue 4
Atoms
Volume 9
Issue 4
Single electron hydrogen or hydrogenic ions have analytical forms to evaluate the atomic parameters for the inverse processes of photoionization and electron-ion recombination (H I + hν↔ H II + e) where H is hydrogen. Studies of these processes ha
Autor:
Sultana N. Nahar
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 469:3225-3231
Autor:
Sultana N. Nahar
Publikováno v:
New Astronomy. 51:69-73
Photoionization cross sections of (Ca XV + hν → Ca XVI + e), with high energy resonant photo-absorption phenomena, of a large number of bound states, 701 in total with n ≤ 10 and l ≤ 9, are reported. They are obtained using the R-matrix method
Autor:
A. Morales-Mori, L. Hernández, K. C. Chartkunchand, A. Antillón, Aaron Covington, Sultana N. Nahar, O. González, A. M. Juarez, E.M. Hernández, Dag Hanstorp, G. Hinojosa
Publikováno v:
Journal of Quantitative Spectroscopy and Radiative Transfer. 187:215-223
An experimental and theoretical study of the single photoionization cross section of the P+ cation of phosphorus is presented. Photoionization (PI) cross sections are instrumental for the determination of abundances in the interstellar medium. The ex
Autor:
Sultana N. Nahar
Publikováno v:
New Astronomy. 50:19-24
Photoionization cross section (σPI) of P II, (hν + P II → P III + e), from ground and a large number of excited levels are presented. The study includes the resonant structures and the characteristics of the background in photoionization cross se
Autor:
Sultana N. Nahar
Publikováno v:
New Astronomy. 82:101447
This report presents i) various characteristic features in photoionization cross sections (σPI) of Cl II + hν → Cl III + e for many fine structure levels of Cl II, 392 in total with n ≤ 10 and l ≤ 9, ii) comparison of features with those obse
Autor:
Bobby Antony, Sultana N. Nahar
Publikováno v:
Atoms, Vol 8, Iss 29, p 29 (2020)
A review on the positron scattering from atoms and molecules is presented in this article. The focus on positron scattering studies is on the rise due to their presence in various fields and application of cross section data in such environments. Pos