Content

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   Abstract
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   Zusammenfassung
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   List of Tables
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   List of Figures
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   List of Acronyms
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   Introduction
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   Theory
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  The standard model of particle physics
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   Bosons
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   Fermions
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   Interactions
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   Beyond the standard model
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   Fractionally charged particles
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   Summary of searches
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   Millicharged particles from the atmosphere
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  Light production processes
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   Cherenkov effect
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   Ionization
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   Pair production
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   Photonuclear interaction
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   Bremsstrahlung
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   Energy losses for fractionally charged particles
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   Survival probability for fractionally charged particles
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   Cosmic rays
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   Extensive Air showers
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   The IceCube Neutrino Observatory
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   The Antarctic ice
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   IceCube
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   DeepCore
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   The Digital Optical Module
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   Dark Noise
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   Triggering
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  Transmission and filtering
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   Transmission and filtering until 2023
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   Transmission and filtering from 2023 on
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   Neutrino signatures
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  Simulation
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  Signal simulation
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   Event generation
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   Event propagation
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   Detector simulation
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   Processing and Filtering
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   Effective area
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   FCP properties
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   The Faint Particle Trigger
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  Faint Particle Trigger DC version
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   Sliding time window
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   Cut 1: Number of hits
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   Cut 2: Number of Doubles
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   Cut 3: Directional consistency of Doubles
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   Cut 4: SLC fraction
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   Variation of the time window separation parameter
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   Summary of cuts and results
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  Faint Particle trigger full detector and IC79 versions
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   Input hit rate reduction
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   Isolated DOMs, all hits and IC79 versions
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   Comparison of all Faint Particle Trigger versions
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  Tests and deployment of the Faint Particle Trigger
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   The South Pole Test System
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   Test runs at the South Pole System
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   The Faint Particle Trigger rate trend
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   The Faint Particle Filter
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  The Faint Particle Filter algorithm
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   Input to the Faint Particle Filter
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   The only FPT branch
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   Multiple triggers/DC branch
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   NChannel vs. #HLC Cut in DC
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   NChannel vs. #HLC cut in IC
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   IceHive and CoincSuite
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   Cleaning and reconstruction
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   Faint Particle Filter results
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   Faint Particle Filter test runs
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  Improvements by the Faint Particle Trigger and Filter
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  Simulation sets and comparison levels
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   Simulation sets
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   Trigger level
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   Online Filter level
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   Filter level
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   Trigger efficiency comparison for various masses
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  Effective area comparison
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   Effective area in the isotropic scenario
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   Effect of the survival probability on the zenith distribution
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   Effective area for the non-isotropic scenario
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   Expected event rates for the MCP model
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   Conclusion and Outlook
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   Appendix A
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   Appendix B
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   Appendix C
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   Appendix D
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   Bibliography
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   Acknowledgements