Abstract
We present results on CPT symmetry tests in decays of positronium performed with the precision at the level of 10−4, and positronium images determined with the prototype of the J-PET tomograph. The first full scale prototype apparatus consists of 192 plastic scintillator strips read out from both ends with vacuum tube photomultipliers. Signals produced by photomultipliers are probed in the amplitude domain and are digitized by FPGA based readout boards in triggerless mode. In this contribution we report on the first two- and three-photon positronium images and tests of CPT symmetry in positronium decays.
| Original language | English |
|---|---|
| Article number | 033 |
| Number of pages | 5 |
| Journal | Proceedings of Science |
| Volume | 380 |
| DOIs | |
| Publication status | Published - 24 May 2022 |
| Event | 22nd Particles and Nuclei International Conference, PANIC 2021 - Virtual, Online, Portugal Duration: 5 Sept 2021 → 10 Sept 2021 |
Funding
We acknowledge the support by FNP TEAM POIR.04.04.00-00-4204/17, NCN 2019/35/B/ST2/03562, and Jagiellonian University project no. CRP/0641.221.2020.
Austrian Fields of Science 2012
- 103034 Particle physics
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