{"id":{"repo_id":"duke","oai_identifier":"oai:dukespace.lib.duke.edu:10161/8734"},"canonical_url":"https://search.dev.ndltd.org/etd/duke/oai:dukespace.lib.duke.edu:10161/8734","repository":{"repo_id":"duke","name":"Duke University","base_url":"https://dukespace.lib.duke.edu/server/oai/request"},"display":{"title":"Measurement of Muon Neutrino Disappearance with the T2K Experiment","abstract":"<p>We describe the measurement of muon neutrino disappearance due to</p><p>neutrino oscillation using the Tokai-2-Kamiokande (T2K) experiment's Run 1-4 (6.57&times;10<super>20</super> POT)</p><p>data set. We analyze the data using the conventional</p><p>Pontecorvo-Maki-Nakagawa-Sakata (PMNS) mixing</p><p>matrix for the three Standard Model neutrinos. The output of the</p><p>analysis is a measurement of the parameters sin<super>2</super>&theta;<sub>23</sub>, &Delta;m<super>2</super><sub>32</sub> for the normal hierarchy and sin<super>2</super>&theta;<sub>23</sub>, &Delta;m<super>2</super><sub>13</sub> for</p><p>the inverted hierarchy. The best-fit oscillation</p><p>parameters for the normal hierarchy are found to be</p><p>(sin<super>2</super>&theta;<sub>23</sub>, &Delta;m<super>2</super><sub>32</sub>) = ( 0.514, 2.51&times;10<super>-3</super> eV<super>2</super>/c<super>4</super>}). The 90% 1D confidence interval -- determined for both parameters</p><p>using the Feldman-Cousins procedure -- is for the normal hierarchy</p><p>0.428 < sin<super>2</super>&theta;<sub>23</sub> < 0.598 and</p><p>2.34&times;10<super>-3</super> eV<super>2</super>/c<super>4</super> < &Delta;m<super>2</super><sub>32</sub> < 2.68\\times10^{-3} eV<super>2</super>/c<super>4</super>. </p><p>For the inverted hierarchy, the best-fit oscillation parameters are</p><p>(sin<super>2</super>&theta;<sub>23</sub>, &Delta;m<super>2</super><sub>13</sub>) = (0.511, 2.48&times;10<super>-3</super> eV<super>2</super>/c<super>4</super>. The 90\\% 1D Feldman-Cousins confidence intervals for the inverted hierarchy are 2.31&times;10<super>-3</super> eV<super>2</super>/c<super>4</super> < \\Delta m^2_{13} < 2.64&times;10<super>-3</super> eV<super>2</super>/c<super>4</super>.</p>","abstract_html":"&lt;p&gt;We describe the measurement of muon neutrino disappearance due to&lt;/p&gt;&lt;p&gt;neutrino oscillation using the Tokai-2-Kamiokande (T2K) experiment&#x27;s Run 1-4 (6.57&amp;times;10&lt;super&gt;20&lt;/super&gt; POT)&lt;/p&gt;&lt;p&gt;data set. We analyze the data using the conventional&lt;/p&gt;&lt;p&gt;Pontecorvo-Maki-Nakagawa-Sakata (PMNS) mixing&lt;/p&gt;&lt;p&gt;matrix for the three Standard Model neutrinos. The output of the&lt;/p&gt;&lt;p&gt;analysis is a measurement of the parameters sin&lt;super&gt;2&lt;/super&gt;&amp;theta;&lt;sub&gt;23&lt;/sub&gt;, &amp;Delta;m&lt;super&gt;2&lt;/super&gt;&lt;sub&gt;32&lt;/sub&gt; for the normal hierarchy and sin&lt;super&gt;2&lt;/super&gt;&amp;theta;&lt;sub&gt;23&lt;/sub&gt;, &amp;Delta;m&lt;super&gt;2&lt;/super&gt;&lt;sub&gt;13&lt;/sub&gt; for&lt;/p&gt;&lt;p&gt;the inverted hierarchy. The best-fit oscillation&lt;/p&gt;&lt;p&gt;parameters for the normal hierarchy are found to be&lt;/p&gt;&lt;p&gt;(sin&lt;super&gt;2&lt;/super&gt;&amp;theta;&lt;sub&gt;23&lt;/sub&gt;, &amp;Delta;m&lt;super&gt;2&lt;/super&gt;&lt;sub&gt;32&lt;/sub&gt;) = ( 0.514, 2.51&amp;times;10&lt;super&gt;-3&lt;/super&gt; eV&lt;super&gt;2&lt;/super&gt;/c&lt;super&gt;4&lt;/super&gt;}). The 90% 1D confidence interval -- determined for both parameters&lt;/p&gt;&lt;p&gt;using the Feldman-Cousins procedure -- is for the normal hierarchy&lt;/p&gt;&lt;p&gt;0.428 &lt; sin&lt;super&gt;2&lt;/super&gt;&amp;theta;&lt;sub&gt;23&lt;/sub&gt; &lt; 0.598 and&lt;/p&gt;&lt;p&gt;2.34&amp;times;10&lt;super&gt;-3&lt;/super&gt; eV&lt;super&gt;2&lt;/super&gt;/c&lt;super&gt;4&lt;/super&gt; &lt; &amp;Delta;m&lt;super&gt;2&lt;/super&gt;&lt;sub&gt;32&lt;/sub&gt; &lt; 2.68\\times10^{-3} eV&lt;super&gt;2&lt;/super&gt;/c&lt;super&gt;4&lt;/super&gt;. &lt;/p&gt;&lt;p&gt;For the inverted hierarchy, the best-fit oscillation parameters are&lt;/p&gt;&lt;p&gt;(sin&lt;super&gt;2&lt;/super&gt;&amp;theta;&lt;sub&gt;23&lt;/sub&gt;, &amp;Delta;m&lt;super&gt;2&lt;/super&gt;&lt;sub&gt;13&lt;/sub&gt;) = (0.511, 2.48&amp;times;10&lt;super&gt;-3&lt;/super&gt; eV&lt;super&gt;2&lt;/super&gt;/c&lt;super&gt;4&lt;/super&gt;. The 90\\% 1D Feldman-Cousins confidence intervals for the inverted hierarchy are 2.31&amp;times;10&lt;super&gt;-3&lt;/super&gt; eV&lt;super&gt;2&lt;/super&gt;/c&lt;super&gt;4&lt;/super&gt; &lt; \\Delta m^2_{13} &lt; 2.64&amp;times;10&lt;super&gt;-3&lt;/super&gt; eV&lt;super&gt;2&lt;/super&gt;/c&lt;super&gt;4&lt;/super&gt;.&lt;/p&gt;","abstract_has_math":false,"creators":["Wongjirad, Taritree"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Scholberg, Kate"],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014","date_published":"2014","updated_at":"2026-07-24T02:06:56Z","subjects":["Physics","Particle physics","Astrophysics","muon neutrino disappearance","neutrino","neutrino oscillation","T2K"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/10161/8734","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Scholberg, Kate"]},{"key":"dc:creator","label":"Author","values":["Wongjirad, Taritree"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-05-14T19:18:37Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-05-14T19:18:37Z"]},{"key":"dc:date.issued","label":"Date","values":["2014"]},{"key":"dc:type","label":"Dc Type","values":["Dissertation"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Physics","Particle physics","Astrophysics","muon neutrino disappearance","neutrino","neutrino oscillation","T2K"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://hdl.handle.net/10161/8734"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["<p>We describe the measurement of muon neutrino disappearance due to</p><p>neutrino oscillation using the Tokai-2-Kamiokande (T2K) experiment's Run 1-4 (6.57&times;10<super>20</super> POT)</p><p>data set. We analyze the data using the conventional</p><p>Pontecorvo-Maki-Nakagawa-Sakata (PMNS) mixing</p><p>matrix for the three Standard Model neutrinos. The output of the</p><p>analysis is a measurement of the parameters sin<super>2</super>&theta;<sub>23</sub>, &Delta;m<super>2</super><sub>32</sub> for the normal hierarchy and sin<super>2</super>&theta;<sub>23</sub>, &Delta;m<super>2</super><sub>13</sub> for</p><p>the inverted hierarchy. The best-fit oscillation</p><p>parameters for the normal hierarchy are found to be</p><p>(sin<super>2</super>&theta;<sub>23</sub>, &Delta;m<super>2</super><sub>32</sub>) = ( 0.514, 2.51&times;10<super>-3</super> eV<super>2</super>/c<super>4</super>}). The 90% 1D confidence interval -- determined for both parameters</p><p>using the Feldman-Cousins procedure -- is for the normal hierarchy</p><p>0.428 < sin<super>2</super>&theta;<sub>23</sub> < 0.598 and</p><p>2.34&times;10<super>-3</super> eV<super>2</super>/c<super>4</super> < &Delta;m<super>2</super><sub>32</sub> < 2.68\\times10^{-3} eV<super>2</super>/c<super>4</super>. </p><p>For the inverted hierarchy, the best-fit oscillation parameters are</p><p>(sin<super>2</super>&theta;<sub>23</sub>, &Delta;m<super>2</super><sub>13</sub>) = (0.511, 2.48&times;10<super>-3</super> eV<super>2</super>/c<super>4</super>. The 90\\% 1D Feldman-Cousins confidence intervals for the inverted hierarchy are 2.31&times;10<super>-3</super> eV<super>2</super>/c<super>4</super> < \\Delta m^2_{13} < 2.64&times;10<super>-3</super> eV<super>2</super>/c<super>4</super>.</p>"]},{"key":"dc:title","label":"Title","values":["Measurement of Muon Neutrino Disappearance with the T2K Experiment"]}]}],"canonical_facts":{"dc:contributor.advisor":["Scholberg, Kate"],"dc:creator":["Wongjirad, Taritree"],"dc:date.accessioned":["2014-05-14T19:18:37Z"],"dc:date.available":["2014-05-14T19:18:37Z"],"dc:date.issued":["2014"],"dc:description.abstract":["<p>We describe the measurement of muon neutrino disappearance due to</p><p>neutrino oscillation using the Tokai-2-Kamiokande (T2K) experiment's Run 1-4 (6.57&times;10<super>20</super> POT)</p><p>data set. We analyze the data using the conventional</p><p>Pontecorvo-Maki-Nakagawa-Sakata (PMNS) mixing</p><p>matrix for the three Standard Model neutrinos. The output of the</p><p>analysis is a measurement of the parameters sin<super>2</super>&theta;<sub>23</sub>, &Delta;m<super>2</super><sub>32</sub> for the normal hierarchy and sin<super>2</super>&theta;<sub>23</sub>, &Delta;m<super>2</super><sub>13</sub> for</p><p>the inverted hierarchy. The best-fit oscillation</p><p>parameters for the normal hierarchy are found to be</p><p>(sin<super>2</super>&theta;<sub>23</sub>, &Delta;m<super>2</super><sub>32</sub>) = ( 0.514, 2.51&times;10<super>-3</super> eV<super>2</super>/c<super>4</super>}). The 90% 1D confidence interval -- determined for both parameters</p><p>using the Feldman-Cousins procedure -- is for the normal hierarchy</p><p>0.428 < sin<super>2</super>&theta;<sub>23</sub> < 0.598 and</p><p>2.34&times;10<super>-3</super> eV<super>2</super>/c<super>4</super> < &Delta;m<super>2</super><sub>32</sub> < 2.68\\times10^{-3} eV<super>2</super>/c<super>4</super>. </p><p>For the inverted hierarchy, the best-fit oscillation parameters are</p><p>(sin<super>2</super>&theta;<sub>23</sub>, &Delta;m<super>2</super><sub>13</sub>) = (0.511, 2.48&times;10<super>-3</super> eV<super>2</super>/c<super>4</super>. The 90\\% 1D Feldman-Cousins confidence intervals for the inverted hierarchy are 2.31&times;10<super>-3</super> eV<super>2</super>/c<super>4</super> < \\Delta m^2_{13} < 2.64&times;10<super>-3</super> eV<super>2</super>/c<super>4</super>.</p>"],"dc:identifier.uri":["https://hdl.handle.net/10161/8734"],"dc:subject":["Physics","Particle physics","Astrophysics","muon neutrino disappearance","neutrino","neutrino oscillation","T2K"],"dc:title":["Measurement of Muon Neutrino Disappearance with the T2K Experiment"],"dc:type":["Dissertation"]},"updated_at":"2026-07-24T02:06:56Z"}