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Search for Dark Matter with ATLAS

Using Events with a Highly Energetic Jet and Missing Transverse Momentum in Proton-Proton Collisions at √s = 8 TeV   

  • Book
  • © 2016

Overview

Authors:
  1. Ruth Pöttgen

    1. Fysikum, Stockholms Universitet (SU), Stockholm, Sweden

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  • Nominated as an outstanding PhD thesis by the CERN, Geneva
  • Winner of ATLAS thesis award 2016
  • Provides in-depth descriptions of analysis techniques and challenges particularly relevant for but not restricted to the mono-jet signature
  • Documents cutting-edge results from the Large Hadron Collider run-1 in the search for WIMPs as dark matter candidates in the mono-jet signature, embedded in the overall scientific context beyond particle physics
  • Includes a detailed description of the run-1 ATLAS Central Trigger, important operational challenges, and its upgrade for Large Hadron Collider run-2
  • Includes supplementary material: sn.pub/extras

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

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Table of contents (17 chapters)

  1. Front Matter

    Pages i-xv
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  2. Introduction

    • Ruth Pöttgen
    Pages 1-4

  3. Theory and Motivation

    1. Front Matter

      Pages 5-5
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    2. The Standard Model of Particle Physics

      • Ruth Pöttgen
      Pages 7-20

    3. Dark Matter

      • Ruth Pöttgen
      Pages 21-43

    4. Proton-Proton Collisions

      • Ruth Pöttgen
      Pages 45-60

    5. Mono-Jet Events as Dark Matter Signature at Colliders

      • Ruth Pöttgen
      Pages 61-72

  4. Experimental Facilities

    1. Front Matter

      Pages 73-73
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    2. The Large Hadron Collider

      • Ruth Pöttgen
      Pages 75-81

    3. The ATLAS Experiment

      • Ruth Pöttgen
      Pages 83-114

  5. Operation and Upgrade of the Central Trigger

    1. Front Matter

      Pages 115-115
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    2. Operation of the Central Trigger During Run-I

      • Ruth Pöttgen
      Pages 117-130

    3. Upgrade of the Central Trigger

      • Ruth Pöttgen
      Pages 131-146

  6. Analysis

    1. Front Matter

      Pages 147-147
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    2. Analysis Strategy

      • Ruth Pöttgen
      Pages 149-158

    3. Data and Simulated Samples

      • Ruth Pöttgen
      Pages 159-169

    4. Physics Objects Definitions

      • Ruth Pöttgen
      Pages 171-175

    5. Event Selection

      • Ruth Pöttgen
      Pages 177-193

    6. Background Estimation

      • Ruth Pöttgen
      Pages 195-250

    7. Results and Interpretation

      • Ruth Pöttgen
      Pages 251-276
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Keywords

About this book

This thesis describes in detail a search for weakly interacting massive particles as possible dark matter candidates, making use of so-called mono-jet events. It includes a detailed description of the run-1 system, important operational challenges, and the upgrade for run-2. The nature of dark matter, which accounts for roughly 25% of the energy-matter content of the universe, is one of the biggest open questions in fundamental science. The analysis is based on the full set of proton-proton collisions collected by the ATLAS experiment at the Large Hadron Collider at √s = 8 TeV. Special attention is given to the experimental challenges and analysis techniques, as well as the overall scientific context beyond particle physics. The results complement those of non-collider experiments and yield some of the strongest exclusion bounds on parameters of dark matter models by the end of the Large Hadron Collider run-1.


Details of the upgrade of the ATLAS Central Trigger for run-2 are also included. 

 


Authors and Affiliations

  • Fysikum, Stockholms Universitet (SU), Stockholm, Sweden

    Ruth Pöttgen

About the author

The author obtained her Diploma in Physics at the University of Mainz (JGU), Germany, in 2011 upon completion of her research project on a differential cross-section measurement of Z-boson production with the ATLAS experiment. As a CERN doctoral student, funded by a Wolfgang-Gentner-Scholarship, she made essential contributions to the operation and upgrade of the ATLAS Central Trigger and conducted a search for Dark Matter in so-called mono-jet events. She obtained her PhD "with distinction" at JGU in May 2015 and was awarded prizes for an outstanding thesis both from the ATLAS collaboration and from the physics department of JGU. Since March 2015 she has been a postdoctoral researcher at Stockholm University, coordinating the ATLAS search for leptoquarks.

Bibliographic Information

  • Book Title: Search for Dark Matter with ATLAS

  • Book Subtitle: Using Events with a Highly Energetic Jet and Missing Transverse Momentum in Proton-Proton Collisions at √s = 8 TeV   

  • Authors: Ruth Pöttgen

  • Series Title: Springer Theses

  • DOI: https://doi.org/10.1007/978-3-319-41045-6

  • Publisher: Springer Cham

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

  • Copyright Information: Springer International Publishing Switzerland 2016

  • Hardcover ISBN: 978-3-319-41044-9Published: 07 July 2016

  • Softcover ISBN: 978-3-319-82251-8Published: 31 May 2018

  • eBook ISBN: 978-3-319-41045-6Published: 29 June 2016

  • Series ISSN: 2190-5053

  • Series E-ISSN: 2190-5061

  • Edition Number: 1

  • Number of Pages: XV, 322

  • Number of Illustrations: 10 b/w illustrations, 124 illustrations in colour

  • Topics: Elementary Particles, Quantum Field Theory, Cosmology, Classical and Quantum Gravitation, Relativity Theory

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