Can positrons be used to study the composition of interstellar dust?

Mar 15, 2013 ... Eighty years ago today, the journal Physical Review published a paper by physicist Carl Anderson announcing the discovery of the positron. Contact us · Back to 'Particle and Nuclear Physics'. The Positron Imaging Centre is home to the technique of Positron Emission Particle Tracking (PEPT). The ... Sep 27, 2023 ... Positrons are unique probes of matter with important applications in medical imaging (positron ... Positrons in surface physics. Surf Sci Rep ( ... Jul 1, 1988 ... In the first part the authors discuss the process of positron moderation and technical aspects of positron ... The APS Physics logo and Physics ... Professor Gidley is developing and applying positron and positronium spectroscopies to probe porous materials at and below the nanometer scale. Oct 12, 2017 ... 596 votes, 39 comments. 3.2M subscribers in the Physics community. For physicists and physics students. See the rules before posting, ... Positron emission tomography (PET) is a type of nuclear medicine procedure that measures metabolic activity of the cells of body tissues. In all cases, the initial positron en- ergies are much higher than the thermal energies of the ambient particles. The positrons lose energy continuously via ... High Energy Electron-Positron Physics ... With the termination of the physics program at PETRA, and with the start of TRISTAN and the SLC and later LEP, an era of ... The physics of the emission, and the detection of the coincident photons, give PET imaging unique capabilities for both very high sensitivity and accurate ...