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The triple–alpha reaction leading to the formation of stable carbon in the Universe is one of the most important nuclear astrophysical processes. This project is aiming to improve our knowledge of the triple-alpha reaction rate from the direct observation of the electron-positron pair decays of the Hoyle state in 12C.
The lifetimes of excited quantum states in the atomic nucleus give extremely important information about nuclear structure and the shape of the nucleus. This project will commission a new array of of LaBr3 detectors to measure nuclear lifetimes, with the aim to replace conventional analog electronics with digital signal processing.
Motivated by exciting prospects for measurements of the magnetism of rare isotopes produced by the new radioactive beam accelerators internationally, this computational project seeks to understand the enormous magnetic fields produced at the nucleus of highly charged ions by their atomic electron configuration.
Exotic nuclei, in their long-lived ground and excited states, are produced in nuclear reactions, transported through an 8T superconducting solenoid magnet to separate them in time and space from the intense beam-induced background, before studying their decay with an array of electron and gamma-ray detectors.
A novel technique devised at ANU has recently given a breakthrough in the precision with which the magnetic moments of picosecond-lived excited states in sd-shell nuclei (i.e. isotopes of oxygen through to calcium) may be measured. A sequence of precise measurements will be performed to comprehensively test the shell model.
The measurement of the lifetimes of excited nuclear states is foundational for understanding nuclear excitations. This project will solve a current puzzle in nuclear lifetime measurements based on the Doppler-broadened line shape method and also develop a generalized analysis program for such measurements.
There is growing recognition that molecularly targeted radiopharmaceuticals that incorporate low energy electron emitting radioisotopes can provide a precise means of delivering lethal doses to cancer cells while sparing the neighbouring healthy ones. This unique therapeutic effect is due to the high energy deposition of low-energy electrons passing through the biological medium.
This experimental project will characterize the hyperfine fields of ions emerging from target foils as highly charged ions. The data will test theoretical models we are developing, and underpin nuclear magnetism measurements on rare isotopes produced at international radioactive beam facilities such as GANIL (France), ISOLDE-CERN (Switzerland) and NSCL (USA).
Auger electrons are emitted after nuclear decay and are used for medical purposes. The number of Auger electrons generated per nuclear decay is not known accurately, a fact that hinders medical applications. This project aims to obtain a experimental estimate of the number of Auger electrons emitted per nuclear decay.
Electric monopole (E0) transitions between nuclear states with same parity and spin are very sensitive tools to examine structural changes. This project is aiming to develop a new high resolution setup to measure angular correlations between conversion electrons and gamma rays.
The project is aiming to develop a high resolution conversion electron spectrometer to study electric monopole transitions in atomic nuclei.
This project aims to develop biophysics and radiobiological applications of beams from the Heavy Ion Accelerator Facility with a view to advancing the medical applications of nuclear technology.
This project seeks to develop and use a new proton-gamma detector system to investigate the level structure of a range of nuclei in the N=Z=20 to 28 region, specifically to determine the electric monopole strengths between 0+ states and invesitgate the presence and degree of shape coexistence in this region.
Investigate the internal structure of atomic nuclei by constructing the spectrum of excited states using time-correlated, gamma-ray coincidence spectroscopy.
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