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- Title
Feasibility Study of the Time Reversal Symmetry Tests in Decay of Metastable Positronium Atoms with the J-PET Detector.
- Authors
Gajos, A.; Curceanu, C.; Czerwiński, E.; Dulski, K.; Gorgol, M.; Gupta-Sharma, N.; Hiesmayr, B. C.; Jasińska, B.; Kacprzak, K.; Kapłon, Ł.; Kisielewska, D.; Korcyl, G.; Kowalski, P.; Kozik, T.; Krzemień, W.; Kubicz, E.; Mohammed, M.; Niedźwiecki, Sz.; Pałka, M.; Pawlik-Niedźwiecka, M.
- Abstract
This article reports on the feasibility of testing of the symmetry under reversal in time in a purely leptonic system constituted by positronium atoms using the J-PET detector. The present state of T symmetry tests is discussed with an emphasis on the scarcely explored sector of leptonic systems. Two possible strategies of searching for manifestations of T violation in nonvanishing angular correlations of final state observables in the decay of metastable triplet states of positronium available with J-PET are proposed and discussed. Results of a pilot measurement with J-PET and assessment of its performance in reconstruction of three-photon decays are shown along with an analysis of its impact on the sensitivity of the detector for the determination of T-violation sensitive observables.
- Subjects
POSITRONIUM; METASTABLE states; LEPTONS (Nuclear physics); POSITRON emission tomography; DETECTORS
- Publication
Advances in High Energy Physics, 2018, p1
- ISSN
1687-7357
- Publication type
Article
- DOI
10.1155/2018/8271280