{"id":{"repo_id":"qu-belfast","oai_identifier":"oai:pure.qub.ac.uk/portal:studenttheses/4143b054-7ed7-4938-af5d-c4a5c33f31c4"},"canonical_url":"https://search.dev.ndltd.org/etd/qu-belfast/oai:pure.qub.ac.uk/portal:studenttheses/4143b054-7ed7-4938-af5d-c4a5c33f31c4","repository":{"repo_id":"qu-belfast","name":"Queen's University Belfast","base_url":"https://pureadmin.qub.ac.uk/ws/oai"},"display":{"title":"Dirac R-matrix scattering calculations in support of plasma diagnostics","abstract":"The atomic structure of singly ionised nickel (Ni II), singly ionised tungsten (W II) and doubly ionised germanium (Ge III) are thoroughly analysed and subsequently incorporated into scattering calculations. W II is needed to ensure reliable erosion diagnostics when investigating the influx of impurities into magnetically confined fusion plasmas. The atomic data for Ni II and Ge III provide more interest for astrophysical plasmas. In order to accurately represent the collisional processes for these species, scattering calculations are carried out using the relativistic Dirac R-matrix (DARC) and the semi-relativistic Breit-Pauli (BP) R-matrix codes. The results from these calculations, along with the atomic structure data, are incorporated into collisional-radiative model programs. These collisional-radiative models provide great insight for plasma diagnostics and spectral line identification.<br/><br/><br/>","abstract_html":"The atomic structure of singly ionised nickel (Ni II), singly ionised tungsten (W II) and doubly ionised germanium (Ge III) are thoroughly analysed and subsequently incorporated into scattering calculations. W II is needed to ensure reliable erosion diagnostics when investigating the influx of impurities into magnetically confined fusion plasmas. The atomic data for Ni II and Ge III provide more interest for astrophysical plasmas. In order to accurately represent the collisional processes for these species, scattering calculations are carried out using the relativistic Dirac R-matrix (DARC) and the semi-relativistic Breit-Pauli (BP) R-matrix codes. The results from these calculations, along with the atomic structure data, are incorporated into collisional-radiative model programs. These collisional-radiative models provide great insight for plasma diagnostics and spectral line identification.&lt;br/&gt;&lt;br/&gt;&lt;br/&gt;","abstract_has_math":false,"creators":["Dunleavy, Nicole"],"institution":"Queen's University Belfast","degree_name":"Doctor of Philosophy","degree_level":"Doctoral Thesis","degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Ballance, Connor"],"committee_chairs":[],"committee_members":[],"year":2021,"date_issued":"2021-12","date_published":"2021-12","updated_at":"2026-07-24T03:56:11Z","subjects":["Scattering data","plasma","opacity","collisional","scattering","R-Matrix","atomic structure"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["oai:pure.qub.ac.uk/portal:studenttheses/4143b054-7ed7-4938-af5d-c4a5c33f31c4"],"render_values":[{"text":"oai:pure.qub.ac.uk/portal:studenttheses/4143b054-7ed7-4938-af5d-c4a5c33f31c4","href":null,"code":true}]}]},"links":{"outbound_url":"https://pure.qub.ac.uk/en/studentTheses/4143b054-7ed7-4938-af5d-c4a5c33f31c4","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Ballance, Connor"]},{"key":"dc:contributor.sponsor","label":"Sponsor","values":["Science & Technology Facilities Council"]},{"key":"dc:creator","label":"Author","values":["Dunleavy, Nicole"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2021-12"]},{"key":"dc:date.issued","label":"Date","values":["2021-12"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["School of Mathematics and Physics"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["Queen's University Belfast"]},{"key":"dc:relation.isreferencedby","label":"Dc Relation Isreferencedby","values":["https://pure.qub.ac.uk/en/studentTheses/4143b054-7ed7-4938-af5d-c4a5c33f31c4"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Doctoral Thesis"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["Doctor of Philosophy"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Scattering data","plasma","opacity","collisional","scattering","R-Matrix","atomic structure"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights.embargodate","label":"Dc Rights Embargodate","values":["2022-12-31"]},{"key":"dc:rights.embargoreason","label":"Dc Rights Embargoreason","values":["/dk/atira/pure/core/document/studentthesisembargoreason/publicationissues"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["oai:pure.qub.ac.uk/portal:studenttheses/4143b054-7ed7-4938-af5d-c4a5c33f31c4","https://pure.qub.ac.uk/en/studentTheses/4143b054-7ed7-4938-af5d-c4a5c33f31c4"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://pure.qub.ac.uk/files/252229073/Thesis_all_Actual_Submitted_Version_10_.pdf"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The atomic structure of singly ionised nickel (Ni II), singly ionised tungsten (W II) and doubly ionised germanium (Ge III) are thoroughly analysed and subsequently incorporated into scattering calculations. W II is needed to ensure reliable erosion diagnostics when investigating the influx of impurities into magnetically confined fusion plasmas. The atomic data for Ni II and Ge III provide more interest for astrophysical plasmas. In order to accurately represent the collisional processes for these species, scattering calculations are carried out using the relativistic Dirac R-matrix (DARC) and the semi-relativistic Breit-Pauli (BP) R-matrix codes. The results from these calculations, along with the atomic structure data, are incorporated into collisional-radiative model programs. These collisional-radiative models provide great insight for plasma diagnostics and spectral line identification.<br/><br/><br/>"]},{"key":"dc:title","label":"Title","values":["Dirac R-matrix scattering calculations in support of plasma diagnostics"]}]}],"canonical_facts":{"dc:contributor.advisor":["Ballance, Connor"],"dc:contributor.sponsor":["Science & Technology Facilities Council"],"dc:creator":["Dunleavy, Nicole"],"dc:date":["2021-12"],"dc:date.issued":["2021-12"],"dc:description.abstract":["The atomic structure of singly ionised nickel (Ni II), singly ionised tungsten (W II) and doubly ionised germanium (Ge III) are thoroughly analysed and subsequently incorporated into scattering calculations. W II is needed to ensure reliable erosion diagnostics when investigating the influx of impurities into magnetically confined fusion plasmas. The atomic data for Ni II and Ge III provide more interest for astrophysical plasmas. In order to accurately represent the collisional processes for these species, scattering calculations are carried out using the relativistic Dirac R-matrix (DARC) and the semi-relativistic Breit-Pauli (BP) R-matrix codes. The results from these calculations, along with the atomic structure data, are incorporated into collisional-radiative model programs. 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