Search for 1st Generation Leptoquarks in the eejj channel with the DZero experiment

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An evidence of the existence of leptoquarks (LQ) would prove the validity of various extensions of the Standard Model of Particle Physics (SM). The search for first generation leptoquarks presented in this dissertation has been performed by analyzing a 1.02 fb{sup -1} sample of data collected by the D0 detector, events with a final state comprising two light jets and two electrons. The absence of an excess of events in comparison to SM expectations leads to exclude scalar LQ masses up to 292 GeV and vector LQ masses from 350 to 458 GeV, depending on the LQ-l-q coupling type. The ... continued below

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Barfuss, Anne-Fleur & /Marseille, CPPM September 1, 2008.

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An evidence of the existence of leptoquarks (LQ) would prove the validity of various extensions of the Standard Model of Particle Physics (SM). The search for first generation leptoquarks presented in this dissertation has been performed by analyzing a 1.02 fb{sup -1} sample of data collected by the D0 detector, events with a final state comprising two light jets and two electrons. The absence of an excess of events in comparison to SM expectations leads to exclude scalar LQ masses up to 292 GeV and vector LQ masses from 350 to 458 GeV, depending on the LQ-l-q coupling type. The great importance of a good jet energy measurement motivated the study of the instrumental backgrounds correlated to the calorimeter, as much as studies of the hadronic showers energy resolution in {gamma} + jets events.

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  • Report No.: FERMILAB-THESIS-2008-77
  • Grant Number: AC02-07CH11359
  • DOI: 10.2172/950056 | External Link
  • Office of Scientific & Technical Information Report Number: 950056
  • Archival Resource Key: ark:/67531/metadc926808

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  • September 1, 2008

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  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 7, 2016, 9:01 p.m.

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Barfuss, Anne-Fleur & /Marseille, CPPM. Search for 1st Generation Leptoquarks in the eejj channel with the DZero experiment, thesis or dissertation, September 1, 2008; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc926808/: accessed August 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.