Conveners
Saturday Noon Session
- Wojciech Wiślicki (NCBJ)
Abstract
Nanoscale geometric confinement changes the properties of materials. The most immediate effect is an enhancement in the surface area to volume ratio, which results in faster surface chemistry reaction rates, a property exploited in various nanomedicine approaches. Arguably more interesting, however, are changes in physical properties, including optical, electrical and magnetic...
Whole gamma imaging (WGI) is a novel concept of combined PET with Compton imaging. An additional detector ring, which is used as the scatterer, is inserted in a conventional PET ring so that single gamma rays can be detected by the Compton imaging method. In addition to a conventional PET mode, Compton imaging (single-gamma mode) is possible. Further large impact can be expected for triple...
stepanov@itep.ru
It is known that the concentration of the dissolved oxygen in malignant tumors is much lower than in healthy tissues. Therefore, cancer cells permanently live in conditions of oxygen starvation. On the other hand, dissolved oxygen efficiently shortens the lifetime of the ortho-Ps atom. It takes place because, firstly, oxygen may oxidize Ps (taking away an electron from it...
Positronium (Ps) is an exotic atom consisting of a positron and an electron, and around 1011 Ps atoms form in the human body during a PET scan. We have discussed little Ps in PET because its formation does not change the spatial information obtained by PET; Most Ps annihilates into back-to-back gamma-ray photons. However, Ps can provide other unique information due to the delay of...
Quantum entanglement is a phenomenon that shows the every working at small scales which differs strongly from the laws governing our daily world. Reading out this quantum information has the potential to reveal unknown processes and connections and on the long term to provide doctors with quantum indicators. This contribution focuses on the entanglement of two and three gammas emitted from...
First three-photon positronium image obtained with the J-PET scanner: towards multi-photon imaging
Aleksander Gajos
on behalf of the J-PET Collaboration
Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University,
S. Łojasiewicza 11, 30-348, Kraków, Poland
e-mail:...
