Unravelling the neutron lifetime puzzle with lattice quantum chromodynamics. This project will perform supercomputer simulations to confront one of the outstanding puzzles of nuclear and particle physics, the neutron lifetime. New knowledge will be generated through the development of novel theoretical and numerical techniques to increase the precision of the leading theoretical inputs required to predict the neutron lifetime. The outcomes will provide crucial theoretical guidance into understan ....Unravelling the neutron lifetime puzzle with lattice quantum chromodynamics. This project will perform supercomputer simulations to confront one of the outstanding puzzles of nuclear and particle physics, the neutron lifetime. New knowledge will be generated through the development of novel theoretical and numerical techniques to increase the precision of the leading theoretical inputs required to predict the neutron lifetime. The outcomes will provide crucial theoretical guidance into understanding the neutron; helping to guide the next-generation neutron experiments, from particle physics to applications in advanced materials science. The results will have immediate benefit by resolving the neutron lifetime puzzle, while enabling Australian scientists to take a leadership role in this area of fundamental science.Read moreRead less
Imaging the spatial distribution of forces that bind quarks to a proton. This project will perform supercomputer simulations to resolve the distribution of forces acting on quarks inside the proton. New knowledge will be generated in the area of fundamental strong-interaction physics by developing innovative approaches to image novel features that have not been possible in the past. The outcomes will therefore open new research possibilities by expanding the capacity of the international communi ....Imaging the spatial distribution of forces that bind quarks to a proton. This project will perform supercomputer simulations to resolve the distribution of forces acting on quarks inside the proton. New knowledge will be generated in the area of fundamental strong-interaction physics by developing innovative approaches to image novel features that have not been possible in the past. The outcomes will therefore open new research possibilities by expanding the capacity of the international community to study strong interaction physics—including direct relevance to experimental research at the recently-upgraded Jefferson Lab in the US. In analogy to Rutherford's atomic model, the results will have benefit to future generations of humanity with a deeper understanding of the structure of matter.Read moreRead less
Nuclear vibrations under scrutiny in near-spherical and deformed nuclei. This Project aims to elucidate the nature of nuclear vibrations. Evidence is mounting that nuclear excitations long identified as vibrations cannot truly be so. This shakes the foundations of nuclear theory. Coulomb excitation and transfer reaction experiments are to be developed to probe the structure of these quantum states. Expected outcomes include clarification of their true nature and a deeper understanding of why nuc ....Nuclear vibrations under scrutiny in near-spherical and deformed nuclei. This Project aims to elucidate the nature of nuclear vibrations. Evidence is mounting that nuclear excitations long identified as vibrations cannot truly be so. This shakes the foundations of nuclear theory. Coulomb excitation and transfer reaction experiments are to be developed to probe the structure of these quantum states. Expected outcomes include clarification of their true nature and a deeper understanding of why nuclei differ from other many-body quantum systems that do vibrate. Anticipated benefits include enduring methodologies to facilitate international research engagement, and rigorous hands-on training in nuclear methods, to help meet Australia’s need for nuclear-qualified personnel in health, mining, industry and security.Read moreRead less
Supercomputing the tomography of the proton. This project aims to produce theoretical determinations of the quark and gluon distributions of the proton through advanced supercomputer simulations. The project will generate new knowledge in the area of fundamental strong-interaction physics by developing innovative approaches to image structures that have not been possible in the past. This project expects to expand the capacity of the international community to study strong interaction physics, i ....Supercomputing the tomography of the proton. This project aims to produce theoretical determinations of the quark and gluon distributions of the proton through advanced supercomputer simulations. The project will generate new knowledge in the area of fundamental strong-interaction physics by developing innovative approaches to image structures that have not been possible in the past. This project expects to expand the capacity of the international community to study strong interaction physics, including direct relevance to experimental research at the recently-upgraded Jefferson Lab in the US. In analogy to Rutherford's atomic model, the results will have benefit to future generations of humanity with a deeper understanding of the structure of matter.Read moreRead less
Emergent Phenomena in the Foundation of Matter. This project aims to explore the finite-matter-density features of the relativistic field theory of the strong interactions, Quantum Chromodynamics (QCD). Drawing on national supercomputing resources, this project will undertake QCD calculations of unprecedented complexity to discover emergent phenomena in the ground-state quantum fields that form the foundation of matter. By studying their evolution under temperature and matter density and explori ....Emergent Phenomena in the Foundation of Matter. This project aims to explore the finite-matter-density features of the relativistic field theory of the strong interactions, Quantum Chromodynamics (QCD). Drawing on national supercomputing resources, this project will undertake QCD calculations of unprecedented complexity to discover emergent phenomena in the ground-state quantum fields that form the foundation of matter. By studying their evolution under temperature and matter density and exploring their contribution to the structure of the nucleon and its excitations, the research will advance theoretical understanding and challenge experimental programs. Benefits include transferable skills in advanced analytical techniques, high-performance computing, and scientific data visualisation.Read moreRead less
Auger, Quantum Electro-Dynamics, Axions and New Technology. New technology developed by Australia, Sweden and the United States will be applied to major questions about the application of relativistic quantum mechanics to atomic structure and dynamics and spectroscopy, especially including critical issues in quantum electro-dynamics for atomic physics and applications. Discrepancies in quantum electro-dynamics have dominated international debate for decades, with claimed explanations annually fa ....Auger, Quantum Electro-Dynamics, Axions and New Technology. New technology developed by Australia, Sweden and the United States will be applied to major questions about the application of relativistic quantum mechanics to atomic structure and dynamics and spectroscopy, especially including critical issues in quantum electro-dynamics for atomic physics and applications. Discrepancies in quantum electro-dynamics have dominated international debate for decades, with claimed explanations annually failing to reveal the cause. Also a pattern of discrepancies has been seen at X-ray energies in first row metal atoms, with a similar sign and magnitude. A combined experimental an theoretical investigation will aim to reveal new light on these anomalies and serve to develop our understanding of the universe.Read moreRead less
Exploiting new breakthroughs in understanding nuclear fission. This project aims to characterise and quantify the quantum energy levels crucial in determining the mass and energy distributions of nuclear fission products, which recent results show are far from understood. Combining new techniques and concepts, distributions will be measured down to the fission barrier energies, maximising sensitivity to quantum effects. The project exploits newly enhanced Australian accelerator infrastructure, w ....Exploiting new breakthroughs in understanding nuclear fission. This project aims to characterise and quantify the quantum energy levels crucial in determining the mass and energy distributions of nuclear fission products, which recent results show are far from understood. Combining new techniques and concepts, distributions will be measured down to the fission barrier energies, maximising sensitivity to quantum effects. The project exploits newly enhanced Australian accelerator infrastructure, world-best detector capabilities, and the latest findings in reactions of light cluster nuclei. The results will test new high-profile quantum many-body predictions and guide fundamental model developments, with implications ranging from future energy to understanding production of heavy elements in the universe.Read moreRead less
Quantum tunnelling of composite systems. This project aims to investigate profound physics problem of quantum tunnelling of composite systems such as atoms, molecules and atomic nuclei. Using new theoretical concepts and tools to describe low-energy fusion between atomic nuclei, this project is expected to generate new knowledge and improve understanding of nuclear reactions, the formation of elements in the cosmos, and underpin future nuclear technologies. The project aims to leverage Australia ....Quantum tunnelling of composite systems. This project aims to investigate profound physics problem of quantum tunnelling of composite systems such as atoms, molecules and atomic nuclei. Using new theoretical concepts and tools to describe low-energy fusion between atomic nuclei, this project is expected to generate new knowledge and improve understanding of nuclear reactions, the formation of elements in the cosmos, and underpin future nuclear technologies. The project aims to leverage Australian capacity in quantum and nuclear theory to produce the first predictive model of quantum tunnelling with a modern microscopic treatment of nuclear dynamics. It will provide new theoretical guidance to experimental programs with exotic beams and focussing on nucleosynthesis.Read moreRead less
Space for Australia on the periodic table: creating new superheavy elements. This project aims to apply innovative methods developed in Australia to determine the optimal nuclear fusion reactions to synthesise new superheavy elements. As part of a major international collaboration aiming to discover elements 119 and 120, the project leverages our new conceptual approach, unique detector instrumentation and Australia's Heavy Ion Accelerator Facility. Anticipated outcomes include the first direct ....Space for Australia on the periodic table: creating new superheavy elements. This project aims to apply innovative methods developed in Australia to determine the optimal nuclear fusion reactions to synthesise new superheavy elements. As part of a major international collaboration aiming to discover elements 119 and 120, the project leverages our new conceptual approach, unique detector instrumentation and Australia's Heavy Ion Accelerator Facility. Anticipated outcomes include the first direct Australian contribution to the discovery of new elements, improved understanding of nuclear fusion and fission at the limits of nuclear existence, tests of our new theoretical approach to energy dissipation in many-body quantum systems, strengthened international links, and top-level nuclear science and accelerator training.Read moreRead less
Time-space resolved photoelectron emission to control molecular processes. This project aims to resolve simultaneously the timing and space localisation of photoelectron emission from atoms and molecules as a means for targeted breaking of molecular bonds. Existing techniques determine the timing and spatial characteristics of photoemission independently. The simultaneous time-space resolution will allow for the precise manipulation of photoelectrons by a sequence of phase-stabilised laser pulse ....Time-space resolved photoelectron emission to control molecular processes. This project aims to resolve simultaneously the timing and space localisation of photoelectron emission from atoms and molecules as a means for targeted breaking of molecular bonds. Existing techniques determine the timing and spatial characteristics of photoemission independently. The simultaneous time-space resolution will allow for the precise manipulation of photoelectrons by a sequence of phase-stabilised laser pulses, a technique known as coherent control. The benefit of this project will be the coherently controlled breaking of molecular bonds in oxide, carbonyl and hydrocarbon molecules. The outcome will be a significant step forward in driving complex photochemical reactions in industry.Read moreRead less