Measurements of inner-shell excited levels of Na-, Mg-, and Al-like europium on the LLNL EBIT

We report on a measurement of several n = 3 → n = 2 inner-shell transitions in sodiumlike, magnesiumlike, and aluminumlike europium, performed at the EBIT-I electron beam ion trap facility at the Lawrence Livermore National Laboratory using an x-ray calorimeter. Although the inner-shell x-ray lines...

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Veröffentlicht in:	Journal of physics. B, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2020-09, Vol.53 (17), p.175001
Hauptverfasser:	Panchenko, D, Beiersdorfer, P, Hell, N, Brown, G V, Kelley, R L, Kilbourne, C A, Porter, F S
Format:	Artikel
Sprache:	eng
Schlagworte:	ATOMIC AND MOLECULAR PHYSICS EBIT europium x-rays
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container_title	Journal of physics. B, Atomic, molecular, and optical physics
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creator	Panchenko, D Beiersdorfer, P Hell, N Brown, G V Kelley, R L Kilbourne, C A Porter, F S
description	We report on a measurement of several n = 3 → n = 2 inner-shell transitions in sodiumlike, magnesiumlike, and aluminumlike europium, performed at the EBIT-I electron beam ion trap facility at the Lawrence Livermore National Laboratory using an x-ray calorimeter. Although the inner-shell x-ray lines of such M-shell ions are typically dominated by electric dipole allowed transitions, we have also identified a weak feature that appears to be the result of electric quadrupole decay in sodiumlike Eu52+. We compare the measured transitions energies to the calculated values obtained using the flexible atomic code. We find agreement in most cases within 2 eV or better.
doi_str_mv	10.1088/1361-6455/ab9a94
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subjects	ATOMIC AND MOLECULAR PHYSICS EBIT europium x-rays
title	Measurements of inner-shell excited levels of Na-, Mg-, and Al-like europium on the LLNL EBIT
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