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This experiment will measure key backgrounds at the SABRE site and investigate implications for the dark matter search.
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.
This project will perform key experimental measurements for the SABRE dark matter particle detector and analyse the results.
Investigate the internal structure of atomic nuclei by constructing the spectrum of excited states using time-correlated, gamma-ray coincidence spectroscopy.
This experiment will characterise dark matter detector material. Lowest levels of natural radioactivity in high purity samples will be analysed via ultra-senstive single atom counting using acclerator mass spectrometry.
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).
This experiment will bring online key experimental hardware for the SABRE dark matter experiment.
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.
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.
Exotic nuclei far from stability can be produced in relativistic fragmentation reactions and stored as fully-stripped, hydrogen- or helium-like ions in a synchrotron. Measurement of the synchrotron frequency can be used to determine their mass to a precision of 1 in 108 and it is even possible to measure the energies of long-lived excited states through direct application of Einstein’s relation, E=mc2.
This project will develop key aspects of the SABRE dark matter detector model, and investigate the detector's sensitivity to dark matter and backgrounds.
Investigate the properties of radioactive nuclei using spectroscopic techniques.
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.
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