The Electron Mass and Calcium Isotope Shifts: High-Precision by Florian Köhler-Langes PDF

By Florian Köhler-Langes

This thesis offers the 1st isotope-shift dimension of bound-electron g-factors of hugely charged ions and determines the main unique worth of the electron mass in atomic mass devices, which exceeds the worth within the literature by way of an element of thirteen. because the lightest primary titanic particle, the electron is considered one of nature’s few significant development blocks. an exact wisdom of its intrinsic houses, corresponding to its mass, is necessary for the main exact assessments in physics - the Quantum Electrodynamics assessments that describe one of many 4 proven primary interactions within the universe. The underlying dimension precept combines a high-precision dimension of the Larmor-to-cyclotron frequency ratio on a unmarried hydrogen-like carbon ion studied in a Penning capture with very actual calculations of the so-called bound-electron g-factor. For the isotope-shift dimension, the bound-electron g-factors of 2 lithium-like calcium isotopes were measured with relative uncertainties of some 10^{-10}, constituting an as but unequalled point of precision for lithium-like ions.
 

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The Electron Mass and Calcium Isotope Shifts: High-Precision Measurements of Bound-Electron g-Factors of Highly Charged Ions (Springer Theses) by Florian Köhler-Langes


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