Zobrazeno 1 - 10
of 42
pro vyhledávání: '"R H G Reid"'
Autor:
Catherine Ramsbottom, Brendan M. McLaughlin, Philip G. Burke, Margaret Scott, A.G. Sunderland, V.M. Burke, Kenneth L. Bell, R. H. G. Reid, Alan Hibbert, C.J. Noble
Publikováno v:
Atomic Data and Nuclear Data Tables. 93:55-104
Effective collision strengths are presented for the Fe-peak element Fe III at electron temperatures (Te in degrees Kelvin) in the range 2 × 103 to 1 × 106. Forbidden transitions results are given between the 3d6, 3d54s, and the 3d54p manifolds appl
Autor:
Kenneth G. Widing, Francis P. Keenan, A. C. Katsiyannis, Hong Lin Zhang, R. H. G. Reid, Anil K. Pradhan
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 346:58-62
New R-matrix calculations of electron impact excitation rates for transitions among the 2s 2 2p, 2s2p 2 and 2p 3 levels of Ar XIV are presented. These data are subsequently used to derive the theoretical electron density diagnostic emission-line inte
Publikováno v:
Solar Physics. 217:225-233
New R-matrix calculations of electron impact excitation rates in Ca xv are used to derive theoretical electron density diagnostic emission line intensity ratios involving 2s22p2–2s2p3 transitions, specifically R1=I(208.70 A)/I(200.98 A), R2=I(181.9
Autor:
Robert Ryans, R. H. G. Reid, A. C. Katsiyannis, Anil K. Pradhan, Francis P. Keenan, Hong Lin Zhang, Kenneth G. Widing
Publikováno v:
The Astrophysical Journal. 566:521-527
New -matrix calculations of electron impact excitation rates for transitions among the 2s22p, 2s2p2 and 2p3 levels of S XII are presented. These data are subsequently used to derive the theoretical electron density diagnostic emission line intensity
Si X emission lines in spectra obtained with the Solar EUV Rocket Telescope and Spectrograph (SERTS)
Autor:
Jeffrey W. Brosius, Roger J. Thomas, Anil K. Pradhan, Francis P. Keenan, A. C. Katsiyannis, R. H. G. Reid, Robert Ryans, Hong Lin Zhang, E. O'Shea
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 315:450-456
New R-matrix calculations of electron impact excitation rates for transitions among the 2s22p, 2s2p2 and 2p3 levels of Si x are presented. These data are subsequently used, in conjunction with recent estimates for proton excitation rates, to derive t
Publikováno v:
Atomic Data and Nuclear Data Tables. 73:1-42
We have calculated cross sections for excitation of the fine-structure transitions in carbon-like ions by proton, deuteron, triton, and α-particle impact via a close-coupled impact-parameter method. This technique includes the effects of dipole coup
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 32:1439-1450
We have calculated total and single differential cross sections for electron impact ionization of using a method that combines the distorted-wave Born approximation for the incident/scattered electron with an R-matrix treatment of the system. Our cal
Autor:
Catherine Ramsbottom, Kenneth L. Bell, R. H. G. Reid, V.J. Foster-Woods, Francis P. Keenan, M. McKeown
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 31:4477-4484
Extreme ultraviolet line intensity ratios for Ne VII involving transitions in the range are calculated for application to high-temperature plasmas, using electron-impact excitation rates generated with the R-matrix code. These results are compared wi
Autor:
Anil K. Pradhan, R. H. G. Reid, D. J. Pinfield, V. J. Woods, Francis P. Keenan, Kenneth G. Widing, Hong Lin Zhang, E. S. Conlon
Publikováno v:
The Astrophysical Journal. 503:953-958
New R-matrix calculations of electron impact excitation rates for transitions among the 2s22p, 2s2p2, and 2p3 levels of Ca XVI are presented. These data are subsequently used, in conjunction with recent estimates for proton excitation rates, to deriv
Publikováno v:
Atomic Data and Nuclear Data Tables. 67:99-177
Cross sections for excitation of the fine-structure transitions within the 1s22s22p2Poand 1s22s2p2 4Pemultiplets in boron-like ions by proton, deuteron, triton, and α-particle impact have been calculated using a close-coupled impact-parameter method