Direct Observation of the Spontaneous Emission of the Hyperfine Transition {ital F}{bold =4} to {ital F}{bold =3} in Ground State Hydrogenlike {sup {bold 165}}Ho{sup {bold 66+}} in an Electron Beam Ion Trap

Journal Article · Mon Jul 01 00:00:00 EDT 1996 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.77.826· OSTI ID:286770

Crespo Lopez-Urrutia, J R; Beiersdorfer, P; Savin, D; Widmann, K ^[1]

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1. Lawrence Livermore National Laboratory, Livermore, California 94550 (United States)

We report the first direct laboratory measurement of the spontaneous emission due to the hyperfine splitting of the ground state of a highly charged hydrogenlike ion excited by electron collisions. The transition between the {ital F}=4 and {ital F}=3 levels of the 1{ital s}{sup 2}{ital S}{sub 1/2} configuration of hydrogenlike {sup 165}Ho{sup 65+} was observed and its wavelength was determined to 5726.4{plus_minus}1.5. After taking into account relativistic, nuclear charge distribution, Bohr-Weisskopf, and QED corrections, we observe a significant deviation from commonly tabulated values of the nuclear dipole magnetic moment of this nucleus. {copyright} {ital 1996 The American Physical Society.}

• Research Organization: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 286770
• Journal Information: Physical Review Letters, Vol. 77, Issue 5; Other Information: PBD: Jul 1996
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
HYPERFINE STRUCTURE
ENERGY-LEVEL TRANSITIONS
HOLMIUM 165
ELECTRON BEAMS
TRAPS
GROUND STATES
CHARGE DISTRIBUTION
WAVELENGTHS
EXCITED STATES
ELECTRON COLLISIONS
MAGNETIC MOMENTS
DIPOLE MOMENTS
EMISSION