Academic Journal
On the Importance of Electron Diffusion in a Bulk-Matter Test of the Pauli Exclusion Principle
| العنوان: | On the Importance of Electron Diffusion in a Bulk-Matter Test of the Pauli Exclusion Principle |
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| المؤلفون: | Edoardo Milotti, Sergio Bartalucci, Sergio Bertolucci, Massimiliano Bazzi, Mario Bragadireanu, Michael Cargnelli, Alberto Clozza, Catalina Curceanu, Luca De Paolis, Jean-Pierre Egger, Carlo Guaraldo, Mihail Iliescu, Matthias Laubenstein, Johann Marton, Marco Miliucci, Andreas Pichler, Dorel Pietreanu, Kristian Piscicchia, Alessandro Scordo, Hexi Shi, Diana Laura Sirghi, Florin Sirghi, Laura Sperandio, Oton Vázquez Doce, Eberhard Widmann, Johann Zmeskal |
| المصدر: | Entropy, Vol 20, Iss 7, p 515 (2018) |
| بيانات النشر: | MDPI AG, 2018. |
| سنة النشر: | 2018 |
| المجموعة: | LCC:Science LCC:Astrophysics LCC:Physics |
| مصطلحات موضوعية: | Pauli exclusion principle, X-rays, diffusion processes, fundamental symmetries, Science, Astrophysics, QB460-466, Physics, QC1-999 |
| الوصف: | The VIolation of Pauli (VIP) experiment (and its upgraded version, VIP-2) uses the Ramberg and Snow (RS) method (Phys. Lett. B 1990, 238, 438) to search for violations of the Pauli exclusion principle in the Gran Sasso underground laboratory. The RS method consists of feeding a copper conductor with a high direct current, so that the large number of newly-injected conduction electrons can interact with the copper atoms and possibly cascade electromagnetically to an already occupied atomic ground state if their wavefunction has the wrong symmetry with respect to the atomic electrons, emitting characteristic X-rays as they do so. In their original data analysis, RS considered a very simple path for each electron, which is sure to return a bound, albeit a very weak one, because it ignores the meandering random walks of the electrons as they move from the entrance to the exit of the copper sample. These complex walks bring the electrons close to many more atoms than in the RS calculation. Here, we consider the full description of these walks and show that this leads to a nontrivial and nonlinear X-ray emission rate. Finally, we obtain an improved bound, which sets much tighter constraints on the violation of the Pauli exclusion principle for electrons. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 1099-4300 |
| Relation: | http://www.mdpi.com/1099-4300/20/7/515; https://doaj.org/toc/1099-4300 |
| DOI: | 10.3390/e20070515 |
| URL الوصول: | https://doaj.org/article/36ccd844a2a7405abe1cbbe7b663e5d0 |
| رقم الانضمام: | edsdoj.36ccd844a2a7405abe1cbbe7b663e5d0 |
| قاعدة البيانات: | Directory of Open Access Journals |
Full Text Finder | تدمد: | 10994300 |
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| DOI: | 10.3390/e20070515 |