Volume 481 - 9th Symposium on Prospects in the Physics of Discrete Symmetries (DISCRETE2024) - Neutrinos and ALPs 2
Testing the Pauli Exclusion Principle and fundamental symmetries with the VIP underground experiment
F. Napolitano*, M. Bazzi, N. Bortolotti, M. Bragadireanu, M. Cargnelli, A. Clozza, L. De Paolis, R. Del Grande, C. Guaraldo, M. Iliescu, M. Laubenstein, S. Manti, J. Marton, K. Piscicchia, A. Porcelli, A. Scordo, F. Sgaramella, D.L. Sirghi, F. Sirghi, J. Zmeskal and C. Curceanu
*: corresponding author
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Published on: April 10, 2025
Abstract
The Pauli Exclusion Principle (PEP) is a fundamental pillar of quantum theory. Potential violations of PEP could indicate physics beyond the Standard Model, including existence of extra dimensions, Lorentz invariance violations, or non-commutative space-time geometries. The VIP Collaboration conducts high precision X-ray spectroscopy experiments at INFN’s Gran Sasso Underground National Laboratory to search for atomic transitions that violate PEP. The current VIP-2 experiment, using copper as target material, aims to improve the exclusion limit for PEP violation to \(\beta^2/2 < 4 \times 10^{-31}\), enhancing the previous constraint by two orders of magnitude. We present our main experimental results so far, and introduce the upcoming experimental upgrade. Additionally, we discuss the VIP-Lead experiment, which specifically explores PEP violations in lead atoms within the context of Non-Commutative Quantum Gravity frameworks.
DOI: https://doi.org/10.22323/1.481.0047
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