A radio astronomy search for cold dark matter axions

Katharine Kelley

doi:10.26182/5d26cfb91ad11

A radio astronomy search for cold dark matter axions

Katharine Kelley

International Centre for Radio Astronomy Research (ICRAR)

Research output: Thesis › Doctoral Thesis

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Abstract

This thesis is a body of work that investigates the prospect of detecting an axion dark matter signature using radio telescopes. I present the key considerations for an astronomical search together with model flux and spectral profiles for a range of astrophysical sources. I focus on non-resonant conversion and explore the differences between the laboratory and sky based searches. I set out an equation for the photon production rate and examine the impact of the local environment. In so doing, I present results for the Milky Way, Galactic centre, Andromeda, Coma cluster and nearby pulsars using published axion models.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
Supervisors/Advisors	Quinn, Peter, Supervisor McArthur, Ian, Supervisor Staveley-Smith, Lister, Supervisor
Award date	21 Jun 2019
DOIs	https://doi.org/10.26182/5d26cfb91ad11
Publication status	Unpublished - 2019

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THESIS - DOCTOR OF PHILOSOPHY - KELLEY Katharine Anne - 2019
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AB - This thesis is a body of work that investigates the prospect of detecting an axion dark matter signature using radio telescopes. I present the key considerations for an astronomical search together with model flux and spectral profiles for a range of astrophysical sources. I focus on non-resonant conversion and explore the differences between the laboratory and sky based searches. I set out an equation for the photon production rate and examine the impact of the local environment. In so doing, I present results for the Milky Way, Galactic centre, Andromeda, Coma cluster and nearby pulsars using published axion models.

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A radio astronomy search for cold dark matter axions

Abstract

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