Time-resolved soft-x-ray spectroscopy of a magnetic octupole transition in nickel-like xenon, cesium, and barium ions

Journal Article · Fri Nov 11 00:00:00 EST 2005 · The Physical Review A, vol. 73, no. 2, February 15, 2006, pp. 022508

OSTI ID:936433

Trabert, E; Beiersdorfer, P; Brown, G V; Boyce, K; Kelley, R L; Kilbourne, C A; Porter, F S; Szymkowiak, A

A microcalorimeter with event mode capability for time-resolved soft-x-ray spectroscopy, and a high-resolution flat-field EUV spectrometer have been employed at the Livermore EBIT-I electron beam ion trap for observations and wavelength measurements of M1, E2, and M3 decays of long-lived levels in the Ni-like ions Xe{sup 26+}, Cs{sup 27+}, and Ba{sup 28+}. Of particular interest is the lowest excited level, 3d{sup 9}4s {sup 3}D{sub 3}, which can only decay via a magnetic octupole (M3) transition. For this level in Xe an excitation energy of (590.40 {+-} 0.03eV) and a level lifetime of (11.5 {+-} 0.5 ms) have been determined.

• Research Organization: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 936433
• Report Number(s): UCRL-JRNL-217181; TRN: US0805512
• Journal Information: The Physical Review A, vol. 73, no. 2, February 15, 2006, pp. 022508, Vol. 73, Issue 2
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
BARIUM IONS
CESIUM
DECAY
ELECTRON BEAMS
EXCITATION
LIFETIME
M3-TRANSITIONS
OCTUPOLES
SPECTROMETERS
SPECTROSCOPY
WAVELENGTHS
XENON