Physics – Atomic Physics
Scientific paper
2011-01-13
Nucl.Instrum.Meth.A632:23-31,2011
Physics
Atomic Physics
13 pages, 6 figures
Scientific paper
10.1016/j.nima.2010.12.145
A high-voltage divider with accuracy at the ppm level and collinear laser spectroscopy were used to calibrate the highvoltage installation at the radioactive ion beam facility ISOLDE at CERN. The accurate knowledge of this voltage is particularly important for collinear laser spectroscopy measurements. Beam velocity measurements using frequencycomb based collinear laser spectroscopy agree with the new calibration. Applying this, one obtains consistent results for isotope shifts of stable magnesium isotopes measured using collinear spectroscopy and laser spectroscopy on laser-cooled ions in a trap. The long-term stability and the transient behavior during recovery from a voltage dropout were investigated for the different power supplies currently applied at ISOLDE.
Catherall R.
Geppert Ch.
Hochschulz F.
Krämer J. J.
Krieger Andreas
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