Searches for the violation of Pauli exclusion principle at LNGS in VIP(-2) experiment

H Shi; S Bartalucci; S Bertolucci; C Berucci; A M Bragadireanu; M Cargnelli; A Clozza; C Curceanu; L De Paolis; S Di Matteo; A d’Ufflzi; J-P Egger; C Guaraldo; M Iliescu; T Ishiwatari; J Marton; M Laubenstein; E Milotti; D Pietreanu; K Piscicchia; T Ponta; A Romero Vidal; E Sbardella; A Scordo; D L Sirghi; F Sirghi; L Sperandio; O Vazquez Doce; E Widmann; J Zmeskal

doi:10.1088/1742-6596/718/4/042055

Journal of Physics: Conference Series

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Searches for the violation of Pauli exclusion principle at LNGS in VIP(-2) experiment

H Shi¹, S Bartalucci¹, S Bertolucci², C Berucci^3,1, A M Bragadireanu^1,4, M Cargnelli³, A Clozza¹, C Curceanu^1,4,5, L De Paolis¹, S Di Matteo⁶, A d'Ufflzi¹, J-P Egger⁷, C Guaraldo¹, M Iliescu¹, T Ishiwatari², J Marton², M Laubenstein⁸, E Milotti⁹, D Pietreanu^1,4, K Piscicchia^1,5, T Ponta⁴, A Romero Vidal¹⁰, E Sbardella¹, A Scordo¹, D L Sirghi^1,4, F Sirghi^1,4, L Sperandio¹, O Vazquez Doce¹¹, E Widmann² and J Zmeskal²

Published under licence by IOP Publishing Ltd
Journal of Physics: Conference Series, Volume 718, Issue 4 Citation H Shi et al 2016 J. Phys.: Conf. Ser. 718 042055 DOI 10.1088/1742-6596/718/4/042055

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hexishi@lnf.infn.it

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¹ INFN, Laboratori Nazionali di Frascati, Via E. Fermi 40, F00044 Frascati(Roma), Italy

² CERN, CH-1211, Geneva 23, Switzerland

³ Stefan-Meyer-Institut für Subatomare Physik, Boltzmanngasse 3, 1090 Wien, Austria

⁴ IFIN-HH, Institutul National pentru Fizica si Inginerie Nucleara Horia Hulubbei, Reactorului 30, Magurele, Romania

⁵ Museo Storico della Fisica e Centro Studi e Ricerche Enrico Fermi, Piazza del Viminale 1, 05583 Roma, Italy

⁶ Institut de Physique UMR CNRS-UR1 6251, Université de Rennesl, F-35042 Rennes, France

⁷ Institut de Physique, Université de Neuchâtel, 1 rue A.-L. Breguet, CH-2000 Neuchâtel, Switzerland

⁸ INFN, Laboratori Nazionali del Gran Sasso, S.S. 17/bis, 1-67010 Assergi (AQ), Italy

⁹ Dipartimento di Fisicá, Universitá di Trieste and INFN-Sezione di Trieste, Via Valerio, 2, 1-34127 Trieste, Italy

¹⁰ Universidade de Santiago de Compostela, Casas Reais 8, 15782 Santiago de Compostela, Spain

¹¹ Excellence Cluster Universe, Technische Universität München, Boltzmannstraβe 2, D-85748 Garching, Germany

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Abstract

The VIP (Violation of Pauli exclusion principle) experiment and its follow-up experiment VIP-2 at the Laboratori Nazionali del Gran Sasso (LNGS) search for X-rays from Cu atomic states that are prohibited by the Pauli Exclusion Principle (PEP). The candidate events, if they exist, will originate from the transition of a 2p orbit electron to the ground state which is already occupied by two electrons. The present limit on the probability for PEP violation for electron is 4.7 ×10^–29 set by the VIP experiment. With upgraded detectors for high precision X-ray spectroscopy, the VIP-2 experiment will improve the sensitivity by 2 orders of magnitude.

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Searches for the violation of Pauli exclusion principle at LNGS in VIP(-2) experiment

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