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High Precision Test of the Pauli Exclusion Principle for Electrons

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Centro Fermi—Museo Storico della Fisica e Centro Studi e Ricerche “Enrico Fermi”, 00184 Rome, Italy
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Laboratori Nazionali di Frascati, INFN, 00044 Frascati, Italy
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Politecnico di Milano, Dipartimento di Elettronica, Informazione e Bioingegneria and INFN Sezione di Milano, 20133 Milano, Italy
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Dipartimento di Fisica e Astronomia, Università di Bologna, 40126 Bologna, Italy
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IFIN-HH, Institutul National pentru Fizica si Inginerie Nucleara Horia Hulubei, Magurele 077125, Romania
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Stefan-Meyer-Institute for Subatomic Physics, Austrian Academy of Science, 1090 Vienna, Austria
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Institut de Physique, Université de Neuchâtel, CH-2000 Neuchâtel, Switzerland
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Laboratori Nazionali del Gran Sasso, INFN, 67100 Assergi, Italy
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Dipartimento di Fisica, Università di Trieste and INFN-Sezione di Trieste, 34127 Trieste, Italy
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Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Vienna, Austria
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Excellence Cluster Universe, Technische Universität München, D-85748 Garching, Germany
*
Author to whom correspondence should be addressed.
Condens. Matter 2019, 4(2), 45; https://doi.org/10.3390/condmat4020045
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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