The Electron Mass And Calcium Isotope Shifts
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The Electron Mass and Calcium Isotope Shifts
Author | : Russell Duffy |
Publisher | : Createspace Independent Publishing Platform |
Total Pages | : 174 |
Release | : 2017-02-23 |
Genre | : |
ISBN | : 9781548311117 |
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This thesis presents the first isotope-shift measurement of bound-electron g-factors of highly charged ions and determines the most precise value of the electron mass in atomic mass units, which exceeds the value in the literature by a factor of 13. As the lightest fundamental massive particle, the electron is one of nature's few central building blocks. A precise knowledge of its intrinsic properties, such as its mass, is mandatory for the most accurate tests in physics - the Quantum Electrodynamics tests that describe one of the four established fundamental interactions in the universe. The underlying measurement principle combines a high-precision measurement of the Larmor-to-cyclotron frequency ratio on a single hydrogen-like carbon ion studied in a Penning trap with very accurate calculations of the so-called bound-electron g-factor.