Multielectron spectroscopy: energy levels of Kn+ and Rbn+ ions (n = 2, 3, 4)

A magnetic bottle time-of-flight spectrometer has been used to perform spectroscopy of Kn+ and Rbn+ states with ionization degrees n of 2, 3 and 4. Energy levels are directly measured by detecting in coincidence the n electrons that are emitted as a result of single photon absorption. Experimental r...

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Veröffentlicht in:	Journal of physics. B, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2017-11, Vol.50 (22)
Hauptverfasser:	Khalal, M A, Soronen, J, Jänkälä, K, Huttula, S-M, Huttula, M, Bizau, J-M, Cubaynes, D, Guilbaud, S, Ito, K, Andric, L, Feng, J, Lablanquie, P, Palaudoux, J, Penent, F
Format:	Artikel
Sprache:	eng
Schlagworte:	electron coincidence magnetic bottle time-of-flight spectrometer
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	A magnetic bottle time-of-flight spectrometer has been used to perform spectroscopy of Kn+ and Rbn+ states with ionization degrees n of 2, 3 and 4. Energy levels are directly measured by detecting in coincidence the n electrons that are emitted as a result of single photon absorption. Experimental results are compared with the energies from the NIST atomic database and ab initio multiconfiguration Dirac-Fock calculations. Previously unidentified 3p4(3P)3d1 4D energy levels of K2+ are assigned.
ISSN:	0953-4075 1361-6455
DOI:	10.1088/1361-6455/aa90d6