What are the theoretical models that try to explain the observed positron fraction?

May 23, 2016 ... In this work, we review the physics and the scientific literature and evaluate the effect of these additional phenomena on the PET data for each of a series of ... Sep 29, 2017 ... A possible future collider such as the ILC, CLIC or FCC-ee would enable a unique top physics program far beyond the capabilities of the HL-LHC. Mar 7, 2019 ... Circular and linear electron–positron colliders are complimentary to each other, and together they could cover a wide range of energies and have ... Medical Physics Toggle Dropdown. Medical Physics Residency Program · Medical ... Positron Emission Tomography/Computed Tomography (PET/CT). Radiology ... Nov 23, 2022 ... Mills and Tom are using positrons to study positronium atoms. Such experiments can shed light on the fundamental properties of charged ... Positron Physics, applications in diagnostics. Research and development of a PET system. Positron Annihilation in matter. Doppler broadening of the ... ... positron beam." AIP Conference Proceedings, vol. 2182, no. 1, p. 050022 ... Physics, vol 71, pp. 73-116 (2020). Kimberley R. Cousins, Timothy Usher ... In particular, physics-guided deep learning will be developed to incorporate the physics domain knowledge of positronium in deep neural network. It will ... A review of Positron Physics. In the series Cambridge. Monographs on Atomic, Molecular and Chemical Physics. By M. CHARLTON and J. W. HUMBERSTON. (Cambridge. A positron is a positively charge subatomic particle that has the same mass and magnitude of charge as an electron.