Doctoral Dissertation Open Access
Mormile, Michele
<?xml version='1.0' encoding='UTF-8'?> <record xmlns="http://www.loc.gov/MARC21/slim"> <leader>00000nam##2200000uu#4500</leader> <datafield tag="542" ind1=" " ind2=" "> <subfield code="l">open</subfield> </datafield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="a">Husemmann, Ulrich</subfield> <subfield code="u">KIT/ETP</subfield> <subfield code="4">ths</subfield> </datafield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="a">Jafari, Abideh</subfield> <subfield code="u">University of Isfahan</subfield> <subfield code="4">ths</subfield> </datafield> <datafield tag="041" ind1=" " ind2=" "> <subfield code="a">eng</subfield> </datafield> <datafield tag="260" ind1=" " ind2=" "> <subfield code="c">2024-12-04</subfield> </datafield> <datafield tag="653" ind1=" " ind2=" "> <subfield code="a">Top quark</subfield> </datafield> <datafield tag="653" ind1=" " ind2=" "> <subfield code="a">CMS</subfield> </datafield> <datafield tag="653" ind1=" " ind2=" "> <subfield code="a">Machine Learning</subfield> </datafield> <controlfield tag="005">20250213080826.0</controlfield> <datafield tag="100" ind1=" " ind2=" "> <subfield code="a">Mormile, Michele</subfield> <subfield code="u">KIT/ETP</subfield> </datafield> <datafield tag="520" ind1=" " ind2=" "> <subfield code="a"><p>This thesis work presents the first searches and the first evidences for the&nbsp;<span class="math-tex">\(tWZ \)</span>&nbsp;and&nbsp;<span class="math-tex">\(tW\gamma\)</span>&nbsp;processes at the LHC with the CMS experiment. The analyses employ proton-proton collision data corresponding to an integrated luminosity of 138 fb<span class="math-tex">\(^{-1}\)</span>&nbsp;collected during Run 2 of the LHC between 2016 and 2018.</p> <p>Purpose-built Machine Learning algorithms are developed in these&nbsp;searches in order&nbsp;to discriminate the rare signal processes from the large background, consisting mostly of production processes of top quark pairs in association with a <span class="math-tex">\(Z\)</span>&nbsp;boson or a photon.</p> <p>Additionally, this thesis describes the treatments&nbsp;used to describe the modeling and simulation of the <span class="math-tex">\(tWZ \)</span> and&nbsp;<span class="math-tex">\(tW\gamma\)</span>&nbsp;production process.</p></subfield> </datafield> <datafield tag="245" ind1=" " ind2=" "> <subfield code="a">Searches for the rare tWZ and tWγ processes at the LHC using machine learning techniques</subfield> </datafield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="a">thesis</subfield> <subfield code="b">phd-thesis</subfield> </datafield> <datafield tag="856" ind1="4" ind2=" "> <subfield code="s">13417290</subfield> <subfield code="u">https://publish.etp.kit.edu/record/22295/files/main.pdf</subfield> <subfield code="z">md5:05ba645b36b0313fa91689b6ff42518a</subfield> </datafield> <controlfield tag="001">22295</controlfield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="a">user-cms</subfield> </datafield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="a">user-etp</subfield> </datafield> <datafield tag="909" ind1="C" ind2="O"> <subfield code="o">oai:publish.etp.kit.edu:22295</subfield> <subfield code="p">user-cms</subfield> <subfield code="p">user-etp</subfield> </datafield> </record>