{"id":{"repo_id":"washington","oai_identifier":"oai:digital.lib.washington.edu:1773/20697"},"canonical_url":"https://search.dev.ndltd.org/etd/washington/oai:digital.lib.washington.edu:1773/20697","repository":{"repo_id":"washington","name":"University of Washington","base_url":"https://digital.lib.washington.edu/server/oai/request"},"display":{"title":"Measurement of the Z tau tau boson production cross-section in proton-proton collisions at sqrt(s) = TeV with the ATLAS detector","abstract":"The first measurement of the inclusive cross-section of the <italic>Z</italic> boson decaying to two tau leptons was measured with the ATLAS detector at the LHC. The data sample in this analysis represents an integrated luminosity of 35 pb<super>-1</super> of proton-proton collisions at a center of mass energy of sqrt(s)=7 TeV. Separate measurements were performed in four decay modes based on how the two tau leptons decay: to hadrons and an electron, to hadrons and a muon, to an electron and a muon, and to two muons. In all four final states, inclusive cross-section measurements were made both in the fiducial region of the ATLAS detector where acceptance is high and in the full phase space, restricted to the mass range of [66, 116] GeV. The measurements from the four individual channels were then combined to yield the combined <italic>Z</italic>→ττ cross-section of 970 ± 70 (stat.) ± 60 (sys.) ± 30 (lumi.) pb.","abstract_html":"The first measurement of the inclusive cross-section of the &lt;italic&gt;Z&lt;/italic&gt; boson decaying to two tau leptons was measured with the ATLAS detector at the LHC. The data sample in this analysis represents an integrated luminosity of 35 pb&lt;super&gt;-1&lt;/super&gt; of proton-proton collisions at a center of mass energy of sqrt(s)=7 TeV. Separate measurements were performed in four decay modes based on how the two tau leptons decay: to hadrons and an electron, to hadrons and a muon, to an electron and a muon, and to two muons. In all four final states, inclusive cross-section measurements were made both in the fiducial region of the ATLAS detector where acceptance is high and in the full phase space, restricted to the mass range of [66, 116] GeV. The measurements from the four individual channels were then combined to yield the combined &lt;italic&gt;Z&lt;/italic&gt;→ττ cross-section of 970 ± 70 (stat.) ± 60 (sys.) ± 30 (lumi.) pb.","abstract_has_math":false,"creators":["GRIFFITHS, Justin Adam"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Goussiou, Anna"],"committee_chairs":[],"committee_members":[],"year":2012,"date_issued":"2012-09-13","date_published":"2012-09-13","updated_at":"2026-07-24T05:57:59Z","subjects":["ATLAS; Cross-section; LHC; Zboson"],"languages":["en_US"],"rights":["Copyright is held by the individual authors."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/1773/20697","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Goussiou, Anna"]},{"key":"dc:creator","label":"Author","values":["GRIFFITHS, Justin Adam"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2012-09-13T17:30:16Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2012-09-13T17:30:16Z"]},{"key":"dc:date.issued","label":"Date","values":["2012-09-13"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["ATLAS; Cross-section; LHC; Zboson"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en_US"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright is held by the individual authors."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["GRIFFITHS_washington_0250E_10206.pdf"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/1773/20697"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Thesis (Ph.D.)--University of Washington, 2012"]},{"key":"dc:description.abstract","label":"Abstract","values":["The first measurement of the inclusive cross-section of the <italic>Z</italic> boson decaying to two tau leptons was measured with the ATLAS detector at the LHC. The data sample in this analysis represents an integrated luminosity of 35 pb<super>-1</super> of proton-proton collisions at a center of mass energy of sqrt(s)=7 TeV. Separate measurements were performed in four decay modes based on how the two tau leptons decay: to hadrons and an electron, to hadrons and a muon, to an electron and a muon, and to two muons. In all four final states, inclusive cross-section measurements were made both in the fiducial region of the ATLAS detector where acceptance is high and in the full phase space, restricted to the mass range of [66, 116] GeV. The measurements from the four individual channels were then combined to yield the combined <italic>Z</italic>→ττ cross-section of 970 ± 70 (stat.) ± 60 (sys.) ± 30 (lumi.) pb."]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Measurement of the Z tau tau boson production cross-section in proton-proton collisions at sqrt(s) = TeV with the ATLAS detector"]}]}],"canonical_facts":{"dc:contributor.advisor":["Goussiou, Anna"],"dc:creator":["GRIFFITHS, Justin Adam"],"dc:date.accessioned":["2012-09-13T17:30:16Z"],"dc:date.available":["2012-09-13T17:30:16Z"],"dc:date.issued":["2012-09-13"],"dc:description":["Thesis (Ph.D.)--University of Washington, 2012"],"dc:description.abstract":["The first measurement of the inclusive cross-section of the <italic>Z</italic> boson decaying to two tau leptons was measured with the ATLAS detector at the LHC. The data sample in this analysis represents an integrated luminosity of 35 pb<super>-1</super> of proton-proton collisions at a center of mass energy of sqrt(s)=7 TeV. Separate measurements were performed in four decay modes based on how the two tau leptons decay: to hadrons and an electron, to hadrons and a muon, to an electron and a muon, and to two muons. In all four final states, inclusive cross-section measurements were made both in the fiducial region of the ATLAS detector where acceptance is high and in the full phase space, restricted to the mass range of [66, 116] GeV. The measurements from the four individual channels were then combined to yield the combined <italic>Z</italic>→ττ cross-section of 970 ± 70 (stat.) ± 60 (sys.) ± 30 (lumi.) pb."],"dc:format.mimetype":["application/pdf"],"dc:identifier.other":["GRIFFITHS_washington_0250E_10206.pdf"],"dc:identifier.uri":["http://hdl.handle.net/1773/20697"],"dc:language.iso":["en_US"],"dc:rights":["Copyright is held by the individual authors."],"dc:subject":["ATLAS; Cross-section; LHC; Zboson"],"dc:title":["Measurement of the Z tau tau boson production cross-section in proton-proton collisions at sqrt(s) = TeV with the ATLAS detector"],"dc:type":["Thesis"]},"updated_at":"2026-07-24T05:57:59Z"}