Design studies for a multi-TeV gamma-ray telescope array : PeX (PeV eXplorer)
Jarrad Denman

TL;DR
This thesis proposes a design for a multi-TeV gamma-ray telescope array called PeX, utilizing large core distance events and a novel time-based image cleaning method to enhance detection capabilities in high background conditions.
Contribution
The work introduces a new array design inspired by existing systems and demonstrates a time-based image cleaning technique that significantly improves performance under high night sky background levels.
Findings
Time cleaning improves angular resolution by 1.5x at Galactic center background levels.
Sparse array design effectively detects multi-TeV gamma-ray sources.
Large core distance events enhance array performance for multi-TeV observations.
Abstract
(Abridged) This thesis presents work towards the design of a new array of Image Atmospheric Cherenkov Telescopes (IACTs) to detect multi-TeV gamma-ray sources. The array consists of 5 telescopes in a square layout with one central telescope, known as the Pevatron eXplorer or PeX. PeX is a PeV (10^{15} eV) cosmic ray explorer that aims to study and discover gamma-ray sources in the 1 to 500 TeV range. The initial PeX design has been influenced by the HEGRA CT-System and H.E.S.S. configurations. One important feature of multi-TeV air showers is their ability to trigger telescopes at large core distance (>400m). PeX will utilise large core distance events to improve the performance and illustrate the viability of a sparse array for multi-TeV gamma-ray astronomy. One important aspect of the thesis (Chapter 6) was the investigation of a new time-based image cleaning method. The arrival…
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Taxonomy
TopicsParticle Detector Development and Performance · Astrophysics and Cosmic Phenomena · Gamma-ray bursts and supernovae
