dc.contributor.advisor | Fairbank, William M. |
dc.contributor.author | Walton, Timothy |
dc.contributor.committeemember | Berger, Bruce |
dc.contributor.committeemember | Van Orden, Alan |
dc.contributor.committeemember | Wilson, Robert |
dc.date.accessioned | 2016-07-12T23:03:11Z |
dc.date.available | 2016-07-12T23:03:11Z |
dc.date.issued | 2016 |
dc.description | 2016 Spring. |
dc.description | Includes bibliographical references. |
dc.description.abstract | The nEXO experiment will search for neutrinoless double beta decay of the isotope 136Xe in a ton-scale liquid xenon time projection chamber, in order to probe the Majorana nature of neutrinos. Detecting the daughter 136Ba of double beta decay events, called barium tagging, is a technique under investigation which would provide a veto for a background-free measurement. This would involve detecting a single barium ion from within a macroscopic volume of liquid xenon. One proposed barium tagging method is to trap the barium ion in solid xenon at the end of a cold probe, and then detect it by its fluorescence in the solid xenon. In this thesis, new studies on the spectroscopy of deposits of Ba and Ba+ in solid xenon are presented. Imaging of barium atoms in solid xenon is demonstrated with sensitivity down to the single atom level. Achievement of this level of sensitivity is a major step toward barium tagging by this method. |
dc.format.medium | born digital |
dc.format.medium | doctoral dissertations |
dc.identifier | Walton_colostate_0053A_13458.pdf |
dc.identifier.uri | http://hdl.handle.net/10217/173350 |
dc.language | English |
dc.publisher | Colorado State University. Libraries |
dc.relation.ispartof | 2000-2019 - CSU Theses and Dissertations |
dc.rights | Copyright of the original work is retained by the author. |
dc.subject | matrix isolation |
dc.subject | tagging |
dc.subject | barium |
dc.subject | xenon |
dc.subject | spectroscopy |
dc.title | Imaging single barium atoms in solid xenon for barium tagging in the nEXO neutrinoless double beta decay experiment |
dc.type | Text |
dcterms.rights.dpla | The copyright and related rights status of this Item has not been evaluated (https://rightsstatements.org/vocab/CNE/1.0/). Please refer to the organization that has made the Item available for more information. |
thesis.degree.discipline | Physics |
thesis.degree.grantor | Colorado State University |
thesis.degree.level | Doctoral |
thesis.degree.name | Doctor of Philosophy (Ph.D.) |