Effective collision strengths for transitions in singly ionized nitrogen

ABSTRACT The R‐matrix method has been used to calculate effective collision strengths for the electron‐impact excitation of the carbon‐like ion N ii. The lowest 23 LS target states are included in the expansion of the total wavefunction, consisting of the nine n= 2 states with configurations 2s22p2...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 2004-03, Vol.348 (4), p.1275-1281
Hauptverfasser:	Hudson, C. E., Bell, K. L.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy atomic processes Atomic processes and interactions Earth, ocean, space Exact sciences and technology Fundamental aspects of astrophysics Fundamental astronomy and astrophysics. Instrumentation, techniques, and astronomical observations line: formation methods: analytical
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