Particle astrophysics with the Pierre Auger observatory. Australia's scientific reputation is enhanced through participation in international collaborations that aim to solve long-standing mysteries in science. The Pierre Auger Observatory covers a huge 3000 square km in western Argentina, where we are attempting to solve one of the biggest puzzles in modern astrophysics - the origin of the highest energy cosmic rays, particles 100 million times more energetic than we can produce on Earth. Ade ....Particle astrophysics with the Pierre Auger observatory. Australia's scientific reputation is enhanced through participation in international collaborations that aim to solve long-standing mysteries in science. The Pierre Auger Observatory covers a huge 3000 square km in western Argentina, where we are attempting to solve one of the biggest puzzles in modern astrophysics - the origin of the highest energy cosmic rays, particles 100 million times more energetic than we can produce on Earth. Adelaide scientists were founding members of the Auger project, and now have leading roles within the experiment. This is providing our students with access to world-class facilities and researchers in a field which has moved to the mainstream of astrophysics research.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0238884
Funder
Australian Research Council
Funding Amount
$220,000.00
Summary
Development of the CANGAROO III Very High Energy Gamma-ray telescope. This international project will explore the only part of the electromagnetic spectrum yet to be subjected to detailed astronomical study. CANGAROO III will span the energy range from ~100GeV to >10TeV, expanding upwards the range of satellite observations, and downwards the range accessible from previous ground-based systems. Gamma-ray observations have opened a new window on the universe and it is clear that there is much to ....Development of the CANGAROO III Very High Energy Gamma-ray telescope. This international project will explore the only part of the electromagnetic spectrum yet to be subjected to detailed astronomical study. CANGAROO III will span the energy range from ~100GeV to >10TeV, expanding upwards the range of satellite observations, and downwards the range accessible from previous ground-based systems. Gamma-ray observations have opened a new window on the universe and it is clear that there is much to be discovered with this new instrument. This project will provide an Australian infrastructure contribution to support the multi-million dollar contribution of our Japanese partners, and thus provide Australian access to a key astrophysical field at very modest cost.Read moreRead less
Detecting cosmic rays using precision radio imaging. This project's aim is to identify the source of the highest-energy particles in nature, cosmic rays, and discover new physical processes at energies unreachable by the Large Hadron Collider.
It will do this by using the Murchison Widefield Array radio telescope to detect the sub-microsecond pulses from cosmic ray interactions in the Earth's atmosphere. The project's intended outcome is a sample of thousands of cosmic ray events, and a new tec ....Detecting cosmic rays using precision radio imaging. This project's aim is to identify the source of the highest-energy particles in nature, cosmic rays, and discover new physical processes at energies unreachable by the Large Hadron Collider.
It will do this by using the Murchison Widefield Array radio telescope to detect the sub-microsecond pulses from cosmic ray interactions in the Earth's atmosphere. The project's intended outcome is a sample of thousands of cosmic ray events, and a new technique to analyse the structure within them.
The anticipated benefits are the establishment of the Murchison Widefield Array as a world-leading instrument for astroparticle physics, new knowledge of high-energy astro and particle physics, and advances and training in fast signal processing methods.Read moreRead less
Deep-sea observatories for astrophysics - stardust on the ocean floor. This project aims to study the past 10 million years for unique signatures trapped in Earth’s deep ocean archives. It will investigate how and where the heavy elements are made in nature, and if nearby supernovae impacted on Earth. The project will provide a detailed time history of close-by supernova events. The set of radionuclide data can also be utilised for Earth’s climate record. The training included will provide quali ....Deep-sea observatories for astrophysics - stardust on the ocean floor. This project aims to study the past 10 million years for unique signatures trapped in Earth’s deep ocean archives. It will investigate how and where the heavy elements are made in nature, and if nearby supernovae impacted on Earth. The project will provide a detailed time history of close-by supernova events. The set of radionuclide data can also be utilised for Earth’s climate record. The training included will provide qualified researchers for many fields, such as nuclear technology, nonproliferation, medical physics and nuclear safeguards, important for national security, health and economy.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE200100078
Funder
Australian Research Council
Funding Amount
$250,000.00
Summary
A particle detector array for the Murchison Widefield Array. The project will construct a particle detector array for the Murchison Widefield Array radio telescope. The array will identify cosmic ray interactions in the Earth's atmosphere, and trigger radio observations. The outcome will be a new capability to study the origin of the highest-energy particles in nature, cosmic rays, and discover new physical processes at energies unreachable by the Large Hadron Collider.
The anticipated benefits ....A particle detector array for the Murchison Widefield Array. The project will construct a particle detector array for the Murchison Widefield Array radio telescope. The array will identify cosmic ray interactions in the Earth's atmosphere, and trigger radio observations. The outcome will be a new capability to study the origin of the highest-energy particles in nature, cosmic rays, and discover new physical processes at energies unreachable by the Large Hadron Collider.
The anticipated benefits are the establishment of the Murchison Widefield Array as a world-leading instrument for astroparticle physics; to lay the foundations for future research with the Square Kilometre Array; and to provide answers to long-standing scientific questions of public interest.Read moreRead less
Solving the mystery of ultra luminous fast radio burst emission . Fast Radio Bursts are a recently discovered inexplicable astronomical phenomenon whose millisecond-timescale emission is generated by regions less than 300 kilometres across yet so luminous it is visible at cosmological distances. Using the Australian Square Kilometre Array Pathfinder we have already localised these bursts, which made the front cover of Science, and recently used them to find the missing baryonic matter in the Uni ....Solving the mystery of ultra luminous fast radio burst emission . Fast Radio Bursts are a recently discovered inexplicable astronomical phenomenon whose millisecond-timescale emission is generated by regions less than 300 kilometres across yet so luminous it is visible at cosmological distances. Using the Australian Square Kilometre Array Pathfinder we have already localised these bursts, which made the front cover of Science, and recently used them to find the missing baryonic matter in the Universe. Next, we will scrutinise these bursts at three nanosecond time resolution, reaching the timescale necessary to probe the mechanism by which their ultra-luminous radiation is generated. This project will reveal previously inaccessible properties of the radiation to unlock the secrets of how they are produced.Read moreRead less
Relativistic Particles in Star-Forming Galaxies. This project aims to understand how galactic evolution is shaped by the relativistic particles known as cosmic rays that fill interstellar space. We understand only poorly how cosmic rays interact with non-relativistic interstellar matter, which in turn limits our understanding of how they affect galaxies. The project seeks to resolve this question by calculating how cosmic ray-matter interaction gives rise to light and neutrinos that we can obser ....Relativistic Particles in Star-Forming Galaxies. This project aims to understand how galactic evolution is shaped by the relativistic particles known as cosmic rays that fill interstellar space. We understand only poorly how cosmic rays interact with non-relativistic interstellar matter, which in turn limits our understanding of how they affect galaxies. The project seeks to resolve this question by calculating how cosmic ray-matter interaction gives rise to light and neutrinos that we can observe using current and future telescopes, enabling us to use observations from these telescopes to solve the problem of cosmic ray-matter interaction. This would resolve the question of how cosmic rays shape galaxy evolution, and thus represent a substantial advance in the theory of galaxy formation.Read moreRead less
The role of radiation and cosmic rays in galaxy formation. This project aims to solve the enduring question about galaxy formation of why galaxies are so inefficient at turning gas into stars. This project will investigate two possible agents for this inefficiency, the pressures exerted by starlight photons and the relativistic cosmic rays produced by supernovae, using a combination of numerical simulations, basic physical analysis, and comparison to observations. The expected outcome will be a ....The role of radiation and cosmic rays in galaxy formation. This project aims to solve the enduring question about galaxy formation of why galaxies are so inefficient at turning gas into stars. This project will investigate two possible agents for this inefficiency, the pressures exerted by starlight photons and the relativistic cosmic rays produced by supernovae, using a combination of numerical simulations, basic physical analysis, and comparison to observations. The expected outcome will be a greatly improved understanding of the physics of the interaction of radiation and cosmic rays with star-forming interstellar gas. This will help complete the picture of how galaxies like our own came to be, and will provide tools for both future simulations and the interpretation of observations.Read moreRead less
The galactic centre: a laboratory for starburst galaxies. The Milky Way's centre is one of its most captivating regions; here star-formation, and potentially, the region's supermassive black hole, inject enormous amounts of energy and drive a powerful wind of plasma and cosmic rays above the galactic plane. This project will elucidate these processes and help us understand other galactic nuclei.
The Carina Nebula: a massive star factory and the anchor for calibrating extragalactic star formation. Massive stars are vital to the life cycle of a galaxy, providing material and controlling the environment where new stars are made. This project will use the Australia Telescope to map the spectacular Carina Nebula, a hotbed of massive stars, to provide a picture of its stars and gas and a template for understanding star formation in distant galaxies.