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Collinear Resonance Ionization Spectroscopy of Neutron-Rich Indium Isotopes


Collinear Resonance Ionization Spectroscopy of Neutron-Rich Indium Isotopes


Springer Theses

von: Adam Robert Vernon

96,29 €

Verlag: Springer
Format: PDF
Veröffentl.: 31.10.2020
ISBN/EAN: 9783030541897
Sprache: englisch

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Beschreibungen

This thesis describes the application of the collinear resonance laser spectroscopy to sensitively measure the electromagnetic nuclear observables of the neutron-rich indium isotopes&nbsp;<sup>115-131</sup>In. This entailed a systematic study of the efficiency of resonant ionization schemes to extract the hyperfine structure of the isotopes, the atomic charge exchange process and benchmarking of modern atomic calculations with a laser ablation ion source.&nbsp;<p>This allowed determination of the root-mean-square nuclear charge radii, nuclear magnetic dipole moments, nuclear electric quadrupole moments and nuclear spins of the&nbsp;<sup>113-131</sup>In isotopes with high accuracy.&nbsp;</p><p>With a proton hole in the Z = 50 nuclear shell closure of tin and several nuclear isomer states, these measurements of the indium (Z = 49) isotope chain provided an efficient probe of the evolution of nuclear structure properties towards and at the doubly-magic nuclear shell closure of&nbsp;<sup>132</sup>Sn (N = 82) - revealing unpredicted changes.</p>
Introduction.-&nbsp;Background Atomic and Nuclear Physics.- Experimental Method Background.- Laser Spectroscopy Setup for the Indium Experiments.- Analysis of Neutron-Rich Indium.- Evolution of Neutron-Rich Indium Proton-Hole States.- Conclusion.
This thesis describes the application of the collinear resonance laser spectroscopy to sensitively measure the electromagnetic nuclear observables of the neutron-rich indium isotopes&nbsp;<sup>115-131</sup>In. This entailed a systematic study of the efficiency of resonant ionization schemes to extract the hyperfine structure of the isotopes, the atomic charge exchange process and benchmarking of modern atomic calculations with a laser ablation ion source.&nbsp;<p>This allowed determination of the root-mean-square nuclear charge radii, nuclear magnetic dipole moments, nuclear electric quadrupole moments and nuclear spins of the&nbsp;<sup>113-131</sup>In isotopes with high accuracy.&nbsp;</p><p>With a proton hole in the Z = 50 nuclear shell closure of tin and several nuclear isomer states, these measurements of the indium (Z = 49) isotope chain provided an efficient probe of the evolution of nuclear structure properties towards and at the doubly-magic nuclear shell closure of&nbsp;<sup>132</sup>Sn (N = 82) - revealing unpredicted changes.</p>
Nominated as an outstanding Ph.D. thesis by the University of Manchester, Manchester, United Kingdom Measurements of fundamental electromagnetic observables of the most exotic neutron-rich indium (Z = 49) isotopes to-date using highly sensitive laser spectroscopy techniques Probes changes in nuclear structure in the doubly-magic 132Sn region

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