Conveners
Dosimetry of Particle Minibeam production and application
- Peracchi Stefania (Australia's Nuclear Science and Technology Organisation)
Using TRS-398, primary standard level dose measurements for calibrating ionisation chambers are currently realised in a 60Co beam. The upcoming UK IPEM Code of Practice for Proton Radiotherapy will provide a new protocol for the direct calibration of ionization chambers in a proton beam using the NPL Primary Standard Portable Calorimeter (PSPC) reducing the uncertainty on reference absorbed...
This work presents the realization and complete characterization of a low energy electron mini-beam flash beam. This beam can vary the Flash parameters (Dose per pulse, average dose rate, intra-pulse dose rate) and the mini-beam parameters (Peak-to-Valley Dose Ratio (PVDR), FWHM and center-to-center (ctc) distance) independently from one and another. We utilize the Triode-Gun equipped...
An experimental campaign was conducted at Institut Curie, France, to perform dosimetry with the Primary Standard Proton Calorimeter (PSPC) developed by the National Physical Laboratory (NPL), UK, in proton minibeams. The minibeams were produced using a collimator with 400µm wide slits of 5cm length and 4mm separation. Dosimetry was also performed with EBT3 radiochromic film and PTW Roos...
Particle therapy has many advantages over conventional photon therapy, particularly for treating deep-seated solid tumours due to its greater conformal energy deposition achieved in the form of the Bragg peak (BP). The benefits of spatially fractionated radiation fields leading to increased healthy tissue dose tolerance have been demonstrated with high intensity photon microbeam studies. The...
