K-shell photoionization of Be-like carbon ions: experiment and theory for C2+

Autor: R. A. Phaneuf, Aaron Covington, Alex Aguilar, Brendan M. McLaughlin, Erik D. Emmons, S W J Scully, Jon C. Levin, Daniela Leitner, Alfred S. Schlachter, Alfred Müller, Stefan Schippers, Ralph Püttner, M. Halka, M S Lubell
Rok vydání: 2005
Předmět:
Zdroj: Journal of Physics B: Atomic, Molecular and Optical Physics. 38:1967-1975
ISSN: 1361-6455
0953-4075
DOI: 10.1088/0953-4075/38/12/011
Popis: Absolute cross-section measurements for K-shell photoionization of Be-like C2+ ions have been performed in the photon energy range 292 325 eV. These measurements have been made using the photon ion merged-beam endstation at the Advanced Light Source, Lawrence Berkeley National Laboratory. Absolute measurements compared with theoretical results from the R-matrix method indicate that the primary C2+ ion beam consisted of 62 percent ground-state (1s22s2 1S) and 38 percent metastable state (1s22s2p 3Po) ions. Reasonable agreement is seen between theory and experiment for absolute photoionization cross sections, resonance energies and autoionization line widths of K-shell-vacancy Auger states.
Databáze: OpenAIRE