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F. GuatieriDepartment of Physics, University of TrentoS. AghionPolitecnico of MilanoC. AmslerStefan Meyer Institute for Subatomic PhysicsG. AngelaLaboratory for High Energy Physics, Albert Einstein Center for Fundamental Physics, University of BernG. BonomiINFN PaviaR.S. BrusaTIFPA/INFN TrentoM. CacciaDepartment of Science, University of InsubriaR. CaravitaDepartment of Physics, University of GenovaF. CastelliIstituto Nazionale di Fisica Nucleare, Sezione di MilanoG. CerchiariMax Planck Institute for Nuclear PhysicsD. ComparatÉcole Normale Supérieure Paris-SaclayGiovanni ConsolatiPolitecnico of MilanoA. DemetrioKirchhoff-Institute for Physics, Heidelberg UniversityL. Di NotoINFN GenovaM. DoserPhysics Department, CERNC. EvansIstituto Nazionale di Fisica Nucleare, Sezione di MilanoM. FanìINFN GenovaR. FerragutIstituto Nazionale di Fisica Nucleare, Sezione di MilanoJ. FeselPhysics Department, CERNA. FontanaINFN PaviaS. GerberPhysics Department, CERNM. GiammarchiIstituto Nazionale di Fisica Nucleare, Sezione di MilanoA. GligorovaInstitute of Physics and Technology, University of BergenS. HaiderPhysics Department, CERNA. HinterbergerPhysics Department, CERNH. HolmestadDepartment of Physics, University of OsloA. KellerbauerMax Planck Institute for Nuclear PhysicsD. KrasnickýDepartment of Physics, University of GenovaV. LagomarsinoDepartment of Physics, University of GenovaP. LansonneurInstitute of Nuclear Physics, CNRS/IN2p3P. LebrunInstitute of Nuclear Physics, CNRS/IN2p3C. MalbrunotStefan Meyer Institute for Subatomic Physics, Austrian Academy of SciencesS. MariazziINFN PadovaV. MatveevJoint Institute for Nuclear Research, DubnaZ. MazzottaDepartment of Physics, Università degli Studi di MilanoSimon MüllerKirchhoff-Institute for Physics, Heidelberg UniversityG. NebbiaINFN PadovaP. NédélecInstitute of Nuclear Physics, CNRS/IN2p3Markus K. OberthalerKirchhoff (Germany)N. PacificoInstitute of Physics and Technology, University of BergenD. PaganoINFN PaviaL. PenasaDepartment of Physics, University of TrentoV. PetráčekCzech Technical University, PragueF. PrelzIstituto Nazionale di Fisica Nucleare, Sezione di MilanoM. PrevedelliUniversity of BolognaB. RienaeckerPhysics Department, CERNJ. RobertLaboratoire Aimé Cotton, Université Paris-Sud, ENS Cachan, CNRSO.M. Rhne.Department of Physics, University of OsloA. RotondiINFN PaviaM. SacerdotiDepartment of Physics, Università degli Studi di MilanoH. SandakerDepartment of Physics, University of OsloR. SantoroIstituto Nazionale di Fisica Nucleare, Sezione di MilanoM. C. SimonStefan Meyer Institute for Subatomic PhysicsL. SmestadThe Research Council of NorwayF. SorrentinoINFN GenovaG. TesteraINFN GenovaI.C. TietjePhysics Department, CERNE. WidmannStefan Meyer Institute for Subatomic Physics, Austrian Academy of SciencesP. YzombardMax Planck Institute for Nuclear PhysicsChristian ZimmerMax Planck Institute for Nuclear PhysicsJ. ZmeskalStefan Meyer Institute for Subatomic PhysicsN. ZurloDepartment of Civil Engineering, University of Brescia

EPJ Web of Conferencesjournal2018en

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Annotatsiya

The validity of the Weak Equivalence Principle (WEP) as predicted by General Relativity has been tested up to astounding precision using ordinary matter. The lack hitherto of a stable source of a probe being at the same time electrically neutral, cold and stable enough to be measured has prevented highaccuracy testing of the WEP on anti-matter. The AEg̅IS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) experiment located at CERN's AD (Antiproton Decelerator) facility aims at producing such a probe in the form of a pulsed beam of cold anti-hydrogen, and at measuring by means of a moiré deflectometer the gravitational force that Earth's mass exerts on it. Low temperature and abundance of the H̅ are paramount to attain a high precision measurement. A technique employing a charge-exchange reaction between antiprotons coming from the AD and excited positronium atoms is being developed at AEg̅IS and will be presented hereafter, alongside an overview of the experimental apparatus and the current status of the experiment

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Mavzular

Atomic and Molecular Physics Muon and positron interactions and applications Quantum Mechanics and Applications

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DOI: 10.1051/epjconf/201718101037

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