{"id":{"repo_id":"baylor","oai_identifier":"oai:baylor-ir.tdl.org:2104/12723"},"canonical_url":"https://search.dev.ndltd.org/etd/baylor/oai:baylor-ir.tdl.org:2104/12723","repository":{"repo_id":"baylor","name":"Baylor University","base_url":"https://baylor-ir.tdl.org/server/oai/request"},"display":{"title":"First search for electroweak supersymmetry in final states with hadronic decays of WW, WZ, or WH boson pair and missing transverse momentum.","abstract":"This dissertation presents a new search for particle physics beyond the standard model in the form of electroweak production of supersymmetric particles, specifically charginos and neutralinos. The novel search is performed using Run 2 data from the CMS experiment at the LHC with a total integrated luminosity of 137 fb−1 . The targeted final states include a pair of bosons (WW, WZ, or WH) with large missing transverse momentum arising from the lightest neutralinos (χe 0 1 ). Deep neural network large-radius jet taggers are used to identify hadronic decays of the bosons. The standard model backgrounds are estimated using data-driven techniques. No significant excess of events is observed relative to expectations from the standard model. Results are presented in terms of constraints on the cross sections for production of mass-degenerate wino-like superpartners of SU(2) gauge bosons, χe ± 1 /χe 0 2 , and higgsino-like supersymmetric particles, χe ± 1 /χe 0 2 /χe 0 3 , in both cases with the bino-like superpartner of U(1) gauge boson as the lightest supersymmetric particle. In the wino-bino scenario, wino masses are excluded up to 960 GeV. In the higgsino-bino scenario, the search excludes higgsino masses from 300 to 650 GeV. These exclusions are most stringent to date set by the CMS experiment. Sensitivity projections with future high-luminosity LHC data are also presented.","abstract_html":"This dissertation presents a new search for particle physics beyond the standard model in the form of electroweak production of supersymmetric particles, specifically charginos and neutralinos. The novel search is performed using Run 2 data from the CMS experiment at the LHC with a total integrated luminosity of 137 fb−1 . The targeted final states include a pair of bosons (WW, WZ, or WH) with large missing transverse momentum arising from the lightest neutralinos (χe 0 1 ). Deep neural network large-radius jet taggers are used to identify hadronic decays of the bosons. The standard model backgrounds are estimated using data-driven techniques. No significant excess of events is observed relative to expectations from the standard model. Results are presented in terms of constraints on the cross sections for production of mass-degenerate wino-like superpartners of SU(2) gauge bosons, χe ± 1 /χe 0 2 , and higgsino-like supersymmetric particles, χe ± 1 /χe 0 2 /χe 0 3 , in both cases with the bino-like superpartner of U(1) gauge boson as the lightest supersymmetric particle. In the wino-bino scenario, wino masses are excluded up to 960 GeV. In the higgsino-bino scenario, the search excludes higgsino masses from 300 to 650 GeV. These exclusions are most stringent to date set by the CMS experiment. Sensitivity projections with future high-luminosity LHC data are also presented.","abstract_has_math":false,"creators":["Kanuganti, Ankush Reddy, 1993-"],"institution":"Baylor University.","degree_name":"Ph.D.","degree_level":"Doctoral","degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Hatakeyama, Kenichi."],"committee_chairs":[],"committee_members":[],"year":2023,"date_issued":"2023-08","date_published":"2023-08","updated_at":"2026-07-24T01:07:56Z","subjects":["Supersymmetry.","Compact muon solenoid (CMS) detector.","Charginos.","Neutralinos."],"languages":["en"],"rights":["Baylor University works are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. 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Deep neural network large-radius jet taggers are used to identify hadronic decays of the bosons. The standard model backgrounds are estimated using data-driven techniques. No significant excess of events is observed relative to expectations from the standard model. Results are presented in terms of constraints on the cross sections for production of mass-degenerate wino-like superpartners of SU(2) gauge bosons, χe ± 1 /χe 0 2 , and higgsino-like supersymmetric particles, χe ± 1 /χe 0 2 /χe 0 3 , in both cases with the bino-like superpartner of U(1) gauge boson as the lightest supersymmetric particle. In the wino-bino scenario, wino masses are excluded up to 960 GeV. In the higgsino-bino scenario, the search excludes higgsino masses from 300 to 650 GeV. These exclusions are most stringent to date set by the CMS experiment. Sensitivity projections with future high-luminosity LHC data are also presented."]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["First search for electroweak supersymmetry in final states with hadronic decays of WW, WZ, or WH boson pair and missing transverse momentum."]}]}],"canonical_facts":{"dc:contributor.advisor":["Hatakeyama, Kenichi."],"dc:creator":["Kanuganti, Ankush Reddy, 1993-"],"dc:date.accessioned":["2024-05-17T13:32:59Z"],"dc:date.available":["2024-05-17T13:32:59Z"],"dc:date.issued":["2023-08"],"dc:description.abstract":["This dissertation presents a new search for particle physics beyond the standard model in the form of electroweak production of supersymmetric particles, specifically charginos and neutralinos. The novel search is performed using Run 2 data from the CMS experiment at the LHC with a total integrated luminosity of 137 fb−1 . The targeted final states include a pair of bosons (WW, WZ, or WH) with large missing transverse momentum arising from the lightest neutralinos (χe 0 1 ). Deep neural network large-radius jet taggers are used to identify hadronic decays of the bosons. The standard model backgrounds are estimated using data-driven techniques. No significant excess of events is observed relative to expectations from the standard model. Results are presented in terms of constraints on the cross sections for production of mass-degenerate wino-like superpartners of SU(2) gauge bosons, χe ± 1 /χe 0 2 , and higgsino-like supersymmetric particles, χe ± 1 /χe 0 2 /χe 0 3 , in both cases with the bino-like superpartner of U(1) gauge boson as the lightest supersymmetric particle. In the wino-bino scenario, wino masses are excluded up to 960 GeV. In the higgsino-bino scenario, the search excludes higgsino masses from 300 to 650 GeV. These exclusions are most stringent to date set by the CMS experiment. Sensitivity projections with future high-luminosity LHC data are also presented."],"dc:format.mimetype":["application/pdf"],"dc:identifier.uri":["https://hdl.handle.net/2104/12723"],"dc:language.iso":["en"],"dc:rights":["Baylor University works are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. Contact libraryquestions@baylor.edu for inquiries about permission."],"dc:subject":["Supersymmetry.","Compact muon solenoid (CMS) detector.","Charginos.","Neutralinos."],"dc:title":["First search for electroweak supersymmetry in final states with hadronic decays of WW, WZ, or WH boson pair and missing transverse momentum."],"dc:type":["Thesis"],"thesis:degree_level":["Doctoral"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["Baylor University."]},"updated_at":"2026-07-24T01:07:56Z"}