First Experimental Survey of a Whole Class of Non-Commutative Quantum Gravity Models in the VIP-2 Lead Underground Experiment

Author:

Piscicchia Kristian12,Marcianò Antonino23ORCID,Addazi Andrea24,Sirghi Diana Laura125,Bazzi Massimiliano2,Bortolotti Nicola16,Bragadireanu Mario25,Cargnelli Michael27,Clozza Alberto2,De Paolis Luca2,Del Grande Raffaele28,Guaraldo Carlo2ORCID,Iliescu Mihail2ORCID,Laubenstein Matthias9ORCID,Manti Simone2,Marton Johann2710,Miliucci Marco2,Napolitano Fabrizio2ORCID,Nola Federico211,Porcelli Alessio12,Scordo Alessandro2ORCID,Sgaramella Francesco2ORCID,Sirghi Florin25,Doce Oton Vazquez2,Zmeskal Johann27,Curceanu Catalina25

Affiliation:

1. Centro Ricerche Enrico Fermi—Museo Storico della Fisica e Centro Studi e Ricerche “Enrico Fermi”, Via Panisperna, 89a, 00184 Roma, Italy

2. Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare (INFN), Via Enrico Fermi 40, 00044 Roma, Italy

3. Center for Field Theory and Particle Physics & Department of Physics, Fudan University, 2005 Songhu Rd., Yangpu Qu, Shanghai 200438, China

4. Center for Theoretical Physics, College of Physics Science and Technology, Sichuan University, Chengdu 610064, China

5. IFIN-HH, Institutul National pentru Fizica si Inginerie Nucleara Horia Hulubei, Strada Reactorului 30, 077125 Măgurele, Romania

6. Physics Department, “Sapienza” University of Rome, 00185 Roma, Italy

7. Stefan-Meyer-Institute for Subatomic Physics, Austrian Academy of Science, Kegelgasse 27, 1030 Vienna, Austria

8. Physik Department E62, Technische Universität München, James-Franck-Straße, 85748 Garching, Germany

9. Laboratori Nazionali del Gran Sasso, Istituto Nazionale di Fisica Nucleare (INFN), Via Giovanni Acitelli, 22, 67100 L’Aquila, Italy

10. TU Wien—Atominstitut Stadionallee 2, 1020 Vienna, Austria

11. Macroarea di Scienze Matematiche Fisiche e Naturali, Università Degli Studi di Roma Tor Vergata, Via della Ricerca Scientifica, 1, 00133 Roma, Italy

Abstract

This study is aimed to set severe constraints on a whole class of non-commutative space-times scenarios as a class of universality for several quantum gravity models. To this end, slight violations of the Pauli exclusion principle—predicted by these models—are investigated by searching for Pauli forbidden Kα and Kβ transitions in lead. The selection of a high atomic number target material allows to test the energy scale of the space-time non-commutativity emergence at high atomic transition energies. As a consequence, the measurement is very sensitive to high orders in the power series expansion of the Pauli violation probability, which allows to set the first constraint to the “triply special relativity” model proposed by Kowalski-Glikman and Smolin. The characteristic energy scale of the model is bound to Λ>5.6·10−9 Planck scales.

Funder

John Templeton Foundation

Foundational Questions Institute and Fetzer Franklin Fund

H2020 FET TEQ

Austrian Science Foundation

Publisher

MDPI AG

Subject

General Physics and Astronomy

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