Springer Theses / Laser Assisted Nuclear Decay Spectroscopy
A New Method for Studying Neutron-Deficient Francium Isotopes
(Sprache: Englisch)
This work details an application of collinear resonance ionization spectroscopy for the separation of short-lived isomeric states and their subsequent study with decay spectroscopy. It reports the successful construction of a novel decay spectroscopy...
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This work details an application of collinear resonance ionization spectroscopy for the separation of short-lived isomeric states and their subsequent study with decay spectroscopy. It reports the successful construction of a novel decay spectroscopy apparatus that can operate at pressures below 1 x 10^-9 mbar. The method is demonstrated by separating the nuclear ground and isomeric states of 204Fr and performing alpha-decay spectroscopy. An equivalent mass spectrometer would require 4.6 million times as much resolution to achieve the same result. This work unambiguously confirms the existence of a second isomeric state in 204Fr. The author also demonstrates the effectiveness of this method for laser spectroscopy and identification of hyperfine-structure components with energy tagging. This method was successfully used in 202Fr to identify ground and isomeric states. The measurement of 202Fr reported in this thesis demonstrates a factor of 100 improvement in sensitivity compared to state-of-the-art fluorescence techniques. The work reported in this thesis won the author the IOP Nuclear Physics Group Early Career Prize.
Inhaltsverzeichnis zu „Springer Theses / Laser Assisted Nuclear Decay Spectroscopy “
Theoretical Considerations for Laser Spectroscopy.- Theoretical Considerations for Nuclear Decay Spectroscopy.- Experimental Setup at ISOLDE.- Collinear Resonance Ionization Spectroscopy.- Laser Assisted Nuclear Decay Spectroscopy.- Spectroscopic Studies of neutron-Deficient Francium.- Interpretation of Results.
Bibliographische Angaben
- Autor: Kara Marie Lynch
- 2014, 2015, XIII, 131 Seiten, 46 farbige Abbildungen, Masse: 16 x 24,1 cm, Gebunden, Englisch
- Verlag: Springer, Berlin
- ISBN-10: 3319071114
- ISBN-13: 9783319071114
- Erscheinungsdatum: 31.07.2014
Sprache:
Englisch
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