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High Precision Test of the Pauli Exclusion Principle for Electrons

Centro Fermi—Museo Storico della Fisica e Centro Studi e Ricerche “Enrico Fermi”, 00184 Rome, Italy
Laboratori Nazionali di Frascati, INFN, 00044 Frascati, Italy
Politecnico di Milano, Dipartimento di Elettronica, Informazione e Bioingegneria and INFN Sezione di Milano, 20133 Milano, Italy
Dipartimento di Fisica e Astronomia, Università di Bologna, 40126 Bologna, Italy
IFIN-HH, Institutul National pentru Fizica si Inginerie Nucleara Horia Hulubei, Magurele 077125, Romania
Stefan-Meyer-Institute for Subatomic Physics, Austrian Academy of Science, 1090 Vienna, Austria
Institut de Physique, Université de Neuchâtel, CH-2000 Neuchâtel, Switzerland
Laboratori Nazionali del Gran Sasso, INFN, 67100 Assergi, Italy
Dipartimento di Fisica, Università di Trieste and INFN-Sezione di Trieste, 34127 Trieste, Italy
Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Vienna, Austria
Excellence Cluster Universe, Technische Universität München, D-85748 Garching, Germany
Author to whom correspondence should be addressed.
Condens. Matter 2019, 4(2), 45;
Received: 6 March 2019 / Revised: 8 April 2019 / Accepted: 23 April 2019 / Published: 2 May 2019
(This article belongs to the Special Issue High Precision X-Ray Measurements)
The VIP-2 experiment aims to perform high precision tests of the Pauli Exclusion Principle for electrons. The method consists in circulating a continuous current in a copper strip, searching for the X radiation emission due to a prohibited transition (from the 2p level to the 1s level of copper when this is already occupied by two electrons). VIP already set the best limit on the PEP violation probability for electrons 1 2 β 2 < 4.7 × 10 29 , the goal of the upgraded VIP-2 (VIolation of the Pauli Exclusion Principle-2) experiment is to improve this result of two orders of magnitude at least. The experimental apparatus and the results of the analysis of a first set of collected data will be presented. View Full-Text
Keywords: Pauli exclusion principle; quantum foundations; X-ray spectroscopy; underground experiment Pauli exclusion principle; quantum foundations; X-ray spectroscopy; underground experiment
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Piscicchia, K.; Amirkhani, A.; Bartalucci, S.; Bertolucci, S.; Bazzi, M.; Bragadireanu, M.; Cargnelli, M.; Clozza, A.; Curceanu, C.; Del Grande, R.; De Paolis, L.; Egger, J.-P.; Fiorini, C.; Guaraldo, C.; Iliescu, M.; Laubenstein, M.; Marton, J.; Miliucci, M.; Milotti, E.; Pichler, A.; Pietreanu, D.; Scordo, A.; Shi, H.; Sirghi, D.L.; Sirghi, F.; Sperandio, L.; Doce, O.V.; Zmeskal, J. High Precision Test of the Pauli Exclusion Principle for Electrons. Condens. Matter 2019, 4, 45.

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