April 27, 2020 Master Thesis Open Access

Schillinger, Bettina

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        "affiliation": "KIT/ETP", 
        "name": "Schillinger, Bettina"
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    "description": "<p>In this thesis, the investigation of the cross section ratio of two established processes<br>\noccurring in proton-proton collisions is performed. This choice is motivated by the fact,<br>\nthat the comparison of two separate measurements in the form of cross section ratios<br>\npromises to benefit from reduced uncertainties.<br>\nThe first observable of interest is the inclusive dijet cross section. Dijet events are occurring<br>\nat high rates at the LHC, due to the abundant production of jets at hadron colliders.<br>\nInvestigation of the dijet spectrum allows for tests of QCD, as the particles within the jets follow the laws of the strong nuclear force. Furthermore, these QCD events are<br>\nthe background for many other physics searches, and consequently have to be precisely<br>\nunderstood in order to increase the accuracy of other measurements. Another advantage<br>\nof the dijet event topology is the fact that it covers a wide kinematic range.<br>\nThe second process of choice is the inclusive Z+jet cross section. The Z boson has been<br>\nstudied in various experiments and its properties are very well known. This process allows<br>\nfor precise measurements, because it leaves a clear signal in the detector. Together with<br>\nthe leading jet in the Z+jet event, this final state can be studied in an analogous manner<br>\nas the dijet final state.<br>\n&nbsp;</p>", 
    "keywords": [
      "QCD", 
      "dijets", 
      "Z+jet"
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    "language": "eng", 
    "publication_date": "2020-04-27", 
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      "report_number": "ETP-KA/2020-15", 
      "supervisors": [
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          "affiliation": "KIT/ETP", 
          "name": "Rabbertz, Klaus"
        }, 
        {
          "affiliation": "University of Helsinki/HIP", 
          "name": "Voutilainen, Mikko"
        }
      ]
    }, 
    "title": "Measurement of the Ratio of inclusive Jet  Cross Sections in Events with and without a high-pT Z Boson"
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