ACTA

New Bunched Positron Beam at the AntiMatter Laboratory in Trento: Planned Quantum Experiments with Positronium

S. Mariazzi^{a, b}, R. Caravita^b, L. Penasa^{a, b}, A. Chehaimi^{a, b}, R.C. Ferguson^{a, b}, S. Salandini^a, M. Bettonte^{a, b}, R.S. Brusa^{a, b}
^aDepartment of Physics, University of Trento, Via Sommarive 14, 38123 Povo, Trento, Italy
^bTIFPA/INFN Via Sommarive 14, 38123 Povo, Trento, Italy

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At the AntiMatter Laboratory in Trento, a new setup to produce intense bunches of positrons with a time duration of 2.5 ns and positron kinetic energy from 0.5 to 15 keV is under commissioning. The apparatus is designed for carrying out two main fundamental quantum experiments, i.e., the study of entanglement of three positronium annihilation gammas and the measurements of accelerations of positronium (including gravitational acceleration). In addition to the bunched beam, production of positronium in vacuum and its excitation in long-lived states will be necessary. Based on the acquired know-how of the AntiMatter Laboratory, the design of the experiments will be described.

DOI:10.12693/APhysPolA.146.674
topics: positronium, positron beams, entanglements, inertial sensing