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OverviewThis thesis reports on the search for dark matter in data taken with the ATLAS detector at CERN’s Large Hadron Collider (LHC). The identification of dark matter and the determination of its properties are among the highest priorities in elementary particle physics and cosmology. The most likely candidate, a weakly interacting massive particle, could be produced in the high energy proton-proton collisions at the LHC. The analysis presented here is unique in looking for dark matter produced together with a Higgs boson that decays into its dominant decay mode, a pair of b quarks. If dark matter were seen in this mode, we would learn directly about the production mechanism because of the presence of the Higgs boson. This thesis develops the search technique and presents the most stringent production limit to date. Full Product DetailsAuthor: Yangyang ChengPublisher: Springer International Publishing AG Imprint: Springer International Publishing AG Edition: 1st ed. 2017 Dimensions: Width: 15.50cm , Height: 1.30cm , Length: 23.50cm Weight: 4.144kg ISBN: 9783319442174ISBN 10: 3319442171 Pages: 176 Publication Date: 07 October 2016 Audience: Professional and scholarly , Professional & Vocational Format: Hardback Publisher's Status: Active Availability: Manufactured on demand  We will order this item for you from a manufactured on demand supplier. Table of ContentsIntroduction.- The Standard Model and Beyond.- An Overview of Dark Matter.- The ATLAS Experiment at the Large Hadron Collider.- Dark Matter Searches at ATLAS.- Dark Matter + Higgs(→bb): Overview.- Dark Matter + Higgs(→bb): Z - 2HDM Simplified Model.- Dark Matter + Higgs(→bb): Physics Objects.- Dark Matter + Higgs(→bb): Event Selection.- Dark Matter + Higgs(→bb): Background Processes.- Dark Matter + Higgs(→bb): Systematic Uncertainties.- Dark Matter + Higgs(→bb): Results.- Conclusion.- References.ReviewsAuthor InformationYangyang Cheng was awarded the PhD degree by the University of Chicago in 2015, and is currently with the Cornell Laboratory for Accelerator-based Sciences and Education, Cornell University. She was recipient of the University of Chicago Physics Department Chairman’s Award for Distinguished Service in June 2015. Tab Content 6Author Website:Countries AvailableAll regions |
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