Search for dissertations about: "ATLAS experiment"

Showing result 16 - 20 of 69 swedish dissertations containing the words ATLAS experiment.

  2. 16. Measurements of luminosity and a search for dark matter in the ATLAS experiment

    Author : Patrawan Pasuwan; Sara Strandberg; Christophe Clement; Erin O'Sullivan; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; particle physics; ATLAS; luminosity; track counting; dark matter; simplified model; fysik; Physics;

    Abstract : This licentiate thesis presents contributions to the luminosity measurement from the data recorded by the ATLAS detector in 2017 using a track-counting technique, as well as a search for dark matter in the ATLAS experiment using 139 fb-1 of √s = 13 TeV pp collision data delivered by the LHC from 2015 to 2018. Track-counting luminosity measurements in low-luminosity operations are performed to study the effect of low collision rates on luminosity determination. READ MORE

  4. 17. Electromagnetic Calorimetry for the ATLAS Experiment and Studies of R-Parity Violating Supersymmetry

    Author : Christophe Clement; KTH; []
    Keywords : ATLAS; Large Hadron Collider; calorimeter; presampler; supersymmetry; R-parity violation; mSUGRA; MSSM;

    Abstract : .... READ MORE

  5. 18. Constraining the top-Z coupling using the (ttWj)EW process with the ATLAS experiment : A search for physics beyond the Standard Model

    Author : Nabila Ahlgren; Jörgen Sjölin; Robert Schöfbeck; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; particle physics; ATLAS; top physics; fysik; Physics;

    Abstract : The Standard Model (SM) of particle physics, having been confirmed by numerous experiments, is one of the most successful theories in physics. It describes all known elementary particles and their interactions through the electromagnetic, strong and weak force. READ MORE

  6. 19. Search for Dark Matter and Extra Dimensions in Monojet Final States with the ATLAS Experiment

    Author : Olof Lundberg; Christophe Clement; Chad Finley; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Dark Matter; LHC; ATLAS; Extra Dimension; Gravity; Calorimeter; High Energy Physics; högenergifysik;

    Abstract : The CERN Large Hadron Collider (LHC) is the most powerful particle ac- celerator ever built, in terms of luminosity and center-of-mass energy of the collisions. This thesis presents a search for Dark Matter and Extra Dimen- sions in the proton-proton collisions as recorded by the ATLAS detector. READ MORE

  7. 20. Searches for Dark Matter and Large Extra Dimensions in Monojet Final States with the ATLAS Experiment

    Author : Olof Lundberg; Christophe Clement; Shahram Rahatlou; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; particle physics; bsm; gravity; extra dimensions; dark matter; ATLAS; LHC; fysik; Physics;

    Abstract : This thesis presents searches for evidence for Weakly Interacting Massive Particles (WIMPs) and Extra Dimensions in proton-proton collisions recorded by the ATLAS experiment at the CERN Large Hadron Collider (LHC). The WIMP is one of the main candidates to constitute the particle content of Dark Matter. READ MORE