| Issue |
EPJ Web Conf.
Volume 368, 2026
9th Heavy Ion Accelerator Symposium (HIAS 2025)
|
|
|---|---|---|
| Article Number | 00025 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/epjconf/202636800025 | |
| Published online | 13 May 2026 | |
https://doi.org/10.1051/epjconf/202636800025
A scintillator plus silicon photomultiplier heavy-ion detector array for g-factor measurements by the time-differential recoil-in-vacuum method
1 Department of Nuclear Physics and Accelerator Applications, Research School of Physics, The Australian National University, Canberra, ACT 2601, Australia
2 IJCLab, CNRS/IN2P3, Université Paris-Saclay, 91405 Orsay, France
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Published online: 13 May 2026
Abstract
A plunger device is being developed at the Australian Heavy Ion Accelerator Facility to perform g-factor measurements using the time-differential recoil-in-vacuum technique. The target chamber housing the device includes an array of particle detectors with an integrated amplification circuit. The array consists of 24 cerium-doped lutetium-yttrium oxyorthosilicate (LYSO:Ce) crystals coupled to silicon photomultipliers, configured into two rings. The array was tested with a light source, an α-particle source, and a heavy ion beam in order to examine the performance and stability of the device under vacuum. Thermal equilibrium was reached quickly, and the array showed no signs of signal degradation after an extended period of use. The rate dependence and mass dependence of the output was tested in beam.
© The Authors, published by EDP Sciences, 2026
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