{"id":{"repo_id":"mit","oai_identifier":"oai:dspace.mit.edu:1721.1/99314"},"canonical_url":"https://search.dev.ndltd.org/etd/mit/oai:dspace.mit.edu:1721.1/99314","repository":{"repo_id":"mit","name":"MIT","base_url":"https://dspace.mit.edu/oai/request"},"display":{"title":"A model of the directional sensitivity of low-pressure CF₄ dark matter detectors","abstract":"Identification of the composition of dark matter is one of the major unsolved puzzles in modern physics. Detectors with sensitivity to the direction of certain classes of dark matter particles have potentially very powerful discrimination ability against more mundane backgrounds. The Dark Matter Time Projection Chamber (DMTPC) collaboration is actively working on a directional detection method using low-pressure CF₄ gas detectors with optical readout. This work constructs a model for the directional reconstruction ability of DMTPC detectors, evaluates the model against calibration data, and finally uses the model to project the directional sensitivity of the under-construction next generation DMTPC detector. This detector is expected to have a cubic meter of fiducial volume which, at 30 Torr, corresponds to a fluorine target mass of 120 g.","abstract_html":"Identification of the composition of dark matter is one of the major unsolved puzzles in modern physics. Detectors with sensitivity to the direction of certain classes of dark matter particles have potentially very powerful discrimination ability against more mundane backgrounds. The Dark Matter Time Projection Chamber (DMTPC) collaboration is actively working on a directional detection method using low-pressure CF₄ gas detectors with optical readout. This work constructs a model for the directional reconstruction ability of DMTPC detectors, evaluates the model against calibration data, and finally uses the model to project the directional sensitivity of the under-construction next generation DMTPC detector. This detector is expected to have a cubic meter of fiducial volume which, at 30 Torr, corresponds to a fluorine target mass of 120 g.","abstract_has_math":false,"creators":["Deaconu, Cosmin Ştefan"],"institution":"Massachusetts Institute of Technology","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":"Massachusetts Institute of Technology. Department of Physics.","school":null,"contributors":[],"advisors":["Peter Fisher."],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015","date_published":"2015","updated_at":"2026-07-22T22:21:07Z","subjects":["Physics."],"languages":["eng"],"rights":["M.I.T. theses 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. See provided URL for inquiries about permission."],"rights_urls":["http://dspace.mit.edu/handle/1721.1/7582"],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/1721.1/99314","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Peter Fisher."]},{"key":"dc:contributor.department","label":"Department","values":["Massachusetts Institute of Technology. Department of Physics."]},{"key":"dc:contributor.other","label":"Dc Contributor Other","values":["Massachusetts Institute of Technology. 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They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission."]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://dspace.mit.edu/handle/1721.1/7582"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/1721.1/99314"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Thesis: Ph. D., Massachusetts Institute of Technology, Department of Physics, 2015.","Cataloged from PDF version of thesis.","Includes bibliographical references (pages 169-175)."]},{"key":"dc:description.abstract","label":"Abstract","values":["Identification of the composition of dark matter is one of the major unsolved puzzles in modern physics. Detectors with sensitivity to the direction of certain classes of dark matter particles have potentially very powerful discrimination ability against more mundane backgrounds. The Dark Matter Time Projection Chamber (DMTPC) collaboration is actively working on a directional detection method using low-pressure CF₄ gas detectors with optical readout. This work constructs a model for the directional reconstruction ability of DMTPC detectors, evaluates the model against calibration data, and finally uses the model to project the directional sensitivity of the under-construction next generation DMTPC detector. This detector is expected to have a cubic meter of fiducial volume which, at 30 Torr, corresponds to a fluorine target mass of 120 g."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Ph. 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Detectors with sensitivity to the direction of certain classes of dark matter particles have potentially very powerful discrimination ability against more mundane backgrounds. The Dark Matter Time Projection Chamber (DMTPC) collaboration is actively working on a directional detection method using low-pressure CF₄ gas detectors with optical readout. This work constructs a model for the directional reconstruction ability of DMTPC detectors, evaluates the model against calibration data, and finally uses the model to project the directional sensitivity of the under-construction next generation DMTPC detector. This detector is expected to have a cubic meter of fiducial volume which, at 30 Torr, corresponds to a fluorine target mass of 120 g."],"dc:description.degree":["Ph. D."],"dc:identifier.uri":["http://hdl.handle.net/1721.1/99314"],"dc:language.iso":["eng"],"dc:publisher":["Massachusetts Institute of Technology"],"dc:rights":["M.I.T. theses 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. See provided URL for inquiries about permission."],"dc:rights.uri":["http://dspace.mit.edu/handle/1721.1/7582"],"dc:subject":["Physics."],"dc:title":["A model of the directional sensitivity of low-pressure CF₄ dark matter detectors"],"dc:type":["Thesis"]},"updated_at":"2026-07-22T22:21:07Z"}