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Comparison of dilepton events in simulation and $pp$ collision data at $\sqrt s = 8\tev$ gathered by the ATLAS detector at the LHC
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics. (ATLAS)
2014 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis presents the results of a comparison between collision data and simulations based on Monte Carlo methods. The experimental dataset consists of $20.3\,\mathrm{fb}^{-1}$ of proton-proton collision data at $\sqrt s = 8\tev$ collected during 2012 by the ATLAS experiment located at the Large Hadron Collider. The final state used is $e\mu + \mathrm{jets}$. Four regions are defined, pretag ($\geq0$ jets, $\geq0$ $b$-jets), $\geq1$-tag ($\geq1$ jets, $\geq1$ $b$-jets), $\geq2$-jet ($\geq2$ jets, $\geq0$ $b$-jets), and 2-tag ($\geq2$ jets, 2 $b$-jets). Data and simulations are consistent in all regions considered.

Place, publisher, year, edition, pages
2014. , 45 p.
Keyword [en]
charged, higgs, boson, high energy physics, hep, monte carlo, collision data, dilepton, control region, atlas, lhc, leptons
National Category
Subatomic Physics
URN: urn:nbn:se:uu:diva-239226OAI: diva2:773846
Educational program
Master Programme in Physics
2014-12-05, Å82114, Ångströmlaboratoriet, Uppsala, 15:45 (English)
Available from: 2015-02-23 Created: 2014-12-19 Last updated: 2015-02-23Bibliographically approved

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