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Laser Assisted Nuclear Decay Spectroscopy = A New Method for Studying Neutron-Deficient Francium Isotopes /

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Laser Assisted Nuclear Decay Spectroscopy/ by Kara Marie Lynch.
Reminder of title:	A New Method for Studying Neutron-Deficient Francium Isotopes /
Author:	Lynch, Kara Marie.
Description:	XIII, 131 p. 95 illus., 46 illus. in color.online resource. :
Contained By:	Springer Nature eBook
Subject:	Nuclear physics. -
Online resource:	https://doi.org/10.1007/978-3-319-07112-1
ISBN:	9783319071121

Laser Assisted Nuclear Decay Spectroscopy = A New Method for Studying Neutron-Deficient Francium Isotopes /
Lynch, Kara Marie.

Laser Assisted Nuclear Decay SpectroscopyA New Method for Studying Neutron-Deficient Francium Isotopes /[electronic resource] :by Kara Marie Lynch. - 1st ed. 2015. - XIII, 131 p. 95 illus., 46 illus. in color.online resource. - Springer Theses, Recognizing Outstanding Ph.D. Research,2190-5053. - Springer Theses, Recognizing Outstanding Ph.D. Research,.

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.

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.

ISBN: 9783319071121

Standard No.: 10.1007/978-3-319-07112-1doiSubjects--Topical Terms:

591618
Nuclear physics.

LC Class. No.: QC770-798

Dewey Class. No.: 539.7092

Laser Assisted Nuclear Decay Spectroscopy = A New Method for Studying Neutron-Deficient Francium Isotopes /
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520 $a 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.
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