Experimental determination of the nuclear magnetic octupole moment of 137ba

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Experimental determination of the nuclear magnetic octupole moment of 137ba

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. nuclear magnetic octupole moment. Hence, the observation of the hyperfine (C) constant constitutes observation of the octupole moment. The first experiment involved measuring the hyperfine intervals of. trap. The idea of the experiment is to measure the hyperfine intervals to a high precision. This then allows the extraction of the hyperfine constants, one of which, (C), can be related to the nuclear magnetic. EXPERIMENTAL DETERMINATION OF THE NUCLEAR MAGNETIC OCTUPOLE MOMENT OF 137 Ba NICHOLAS CHARLES LEWTY MPhys (Hons) Physics with instrumentation, University of Leeds M.Sc. Physics, University of

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Mục lục

  • Summary

  • List of Publications

  • List of Tables

  • List of Figures

  • List of Acronyms

  • 1 Introduction

    • 1.1 Thesis outline

    • 2 Theory

      • 2.1 Hyperfine interaction

        • 2.1.1 Hyperfine structure

        • 2.2 Effect of external magnetic fields on the hyperfine structure

          • 2.2.1 Effect of magnetic field on 5D3/2 manifold

          • 2.2.2 Effect of magnetic field on 5D5/2 manifold

          • 2.3 Coherent photon-ion interactions

            • 2.3.1 Two-level atom

            • 2.3.2 Rf transitions

            • 2.3.3 Two photon Raman transitions

            • 2.3.4 Decoherence mechanisms

            • 3 Equipment

              • 3.1 Vacuum system

              • 3.2 Ion trap

                • 3.2.1 Linear Paul trap

                • 3.2.2 Barium oven

                • 3.3 Lasers

                  • 3.3.1 Overview of laser system

                  • 3.3.2 Diode laser design

                  • 3.3.3 High power 650 nm laser

                  • 3.3.4 1228 nm gain chip

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