Abstract
One of the features of the triplet state of positronium (ortho-Positronium)atoms is its relatively longer lifetime when compared to the singlet states ofpositronium (para-Positronium) atoms. The most probable decay of ortho-Positronium is into three annihilation photons. In order to test the discretesymmetry using the time-reversal symmetry odd-operator, it is importantto identify ortho-Positronium decay. Identification of the decay of ortho-Positronium atoms by measuring the positronium annihilation lifetime withthe Jagiellonian-Positron Emission Tomograph (J-PET) is presented in this article.
Highlights
The increasing numbers of proton facilities and successful proton treatments [1] indicate that the relevance of Proton Beam Therapy (PBT) as a technique for tumor radiation therapy is rapidly growing
We study the feasibility of Jagiellonian-positron emission tomography (PET) detector technology for proton beam therapy range monitoring by means of Monte Carlo (MC) simulations of the β+ activity induced in a phantom-by-proton beams and present preliminary results of PET image reconstruction
It is calculated as DRBE = D × RBE, where D is the physical dose expressed in Gy and RBE is the Relative Biological Effectiveness
Summary
INVESTIGATIONS ON PHYSICAL AND BIOLOGICAL RANGE UNCERTAINTIES IN KRAKÓW PROTON BEAM THERAPY CENTRE∗. Physical and biological range uncertainties limit the clinical potential of Proton Beam Therapy (PBT). In these proceedings, we report on two research projects, which we are conducting in parallel and which both tackle the problem of range uncertainties. We report on our development and pre-clinical application of a GPU-accelerated Monte Carlo (MC) simulation toolkit Fred. Concerning the letter, we report on our investigations of plastic-scintillator-based PET detectors for particle therapy delivery monitoring. Using a GPU-accelerated Monte Carlo simulation toolkit Fred and plastic-scintillator-based PET detectors, we aim at improving the patient treatment quality with protons
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