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Measurement of the Inclusive Electron Cross-Section from Heavy-Flavour Decays and Search for Compressed Supersymmetric Scenarios with the ATLAS Experiment

  • Book
  • © 2014

Overview

Authors:
  1. Moritz Backes

    1. PH Division, CERN, Geneva 23, Switzerland

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  • Nominated as an outstanding Ph.D. thesis by University of Geneva, Switzerland
  • Presents the first LHC results on compressed super symmetry with low pT leptons in the final state
  • Describes the first measurement of the inclusive cross-section for electron production from heavy flavour decays at ATLAS
  • Includes supplementary material: sn.pub/extras

Part of the book series: Springer Theses (Springer Theses)

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Table of contents (7 chapters)

  1. Front Matter

    Pages i-xvi
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  2. Introduction

    • Moritz Backes
    Pages 1-2

  3. Theoretical Background

    • Moritz Backes
    Pages 3-49

  4. Experimental Setup

    • Moritz Backes
    Pages 51-70

  5. Data Acquisition and Data Processing

    • Moritz Backes
    Pages 71-96

  6. Measurement of the Inclusive Electron Cross-Section from Heavy-Flavour Decays with 2010 Data

    • Moritz Backes
    Pages 97-145

  7. Search for Compressed Supersymmetry with 2011 Data

    • Moritz Backes
    Pages 147-224

  8. Conclusion

    • Moritz Backes
    Pages 225-227

  9. Back Matter

    Pages 229-256
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Keywords

About this book

The first part of this thesis presents the measurement of the inclusive cross-section for electron production from heavy-flavour decays in the electron transverse momentum range 7 GeV < pT < 26 GeV using 1.3 pb−1 of 7 TeV proton-proton collision data collected by the ATLAS experiment at the Large Hadron Collider in 2010. The measured value of the cross-section within the fiducial range of the analysis is σ_e^HF = 0.946 ± 0.020(stat.) ± 0.146(syst.) ± 0.032(lumi.) μb. Theoretical predictions are in good agreement with the measurement. The second part of this thesis is a search for compressed supersymmetric scenarios in events with missing transverse energy, jets and one isolated low-pT lepton in the final state using 4.7 fb-1 of ATLAS data collected at 7 TeV center-of-mass energy in 2011. No significant excess of events over the Standard Model expectation is observed and exclusion limits are derived for a number of supersymmetric models.

Authors and Affiliations

  • PH Division, CERN, Geneva 23, Switzerland

    Moritz Backes

About the author

The author began his undergraduate studies in physics at the University of Hamburg, Germany. During a study-abroad year at the University of Melbourne, Australia, he specialized in experimental particle physics and subsequently concluded his Diploma in Physics with a study on background estimation in searches for Supersymmetry with the ATLAS experiment. During his PhD studies at the University of Geneva, Switzerland, he performed a measurement of the inclusive electron cross-section from heavy-flavour decays and a search for compressed super symmetric scenarios with ATLAS. At present he is employed as fellow at the European Organization for Nuclear Research (CERN).

Bibliographic Information

  • Book Title: Measurement of the Inclusive Electron Cross-Section from Heavy-Flavour Decays and Search for Compressed Supersymmetric Scenarios with the ATLAS Experiment

  • Authors: Moritz Backes

  • Series Title: Springer Theses

  • DOI: https://doi.org/10.1007/978-3-319-07136-7

  • Publisher: Springer Cham

  • eBook Packages: Physics and Astronomy, Physics and Astronomy (R0)

  • Copyright Information: Springer International Publishing Switzerland 2014

  • Hardcover ISBN: 978-3-319-07135-0Published: 01 July 2014

  • Softcover ISBN: 978-3-319-38387-3Published: 17 September 2016

  • eBook ISBN: 978-3-319-07136-7Published: 11 June 2014

  • Series ISSN: 2190-5053

  • Series E-ISSN: 2190-5061

  • Edition Number: 1

  • Number of Pages: XVI, 256

  • Number of Illustrations: 57 b/w illustrations, 54 illustrations in colour

  • Topics: Elementary Particles, Quantum Field Theory, Quantum Field Theories, String Theory

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