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Entropy 2017, 19(7), 319; doi:10.3390/e19070319

CSL Collapse Model Mapped with the Spontaneous Radiation

1
CENTRO FERMI—Museo Storico della Fisica e Centro Studi e Ricerche “Enrico Fermi”, 00184 Rome, Italy
2
Istituto Nazionale di Fisica Nucleare (INFN), Laboratori Nazionali di Frascati, 00044 Frascati, Italy
3
Department of Physics, University of Trieste, 34151 Miramare-Trieste, Italy
4
Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, Via Valerio 2, 34127 Trieste, Italy
5
Institute of Theoretical Physics, Ulm University, Albert-Einstein-Allee 11 D, 89069 Ulm, Germany
6
Faculty of Physics, University of Vienna, Boltzmanngasse 5, 1090 Vienna, Austria
7
Stefan-Meyer-Institut für Subatomare Physik, 1090 Vienna, Austria
*
Author to whom correspondence should be addressed.
Received: 30 April 2017 / Revised: 13 June 2017 / Accepted: 25 June 2017 / Published: 29 June 2017
(This article belongs to the Special Issue Quantum Information and Foundations)
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Abstract

In this paper, new upper limits on the parameters of the Continuous Spontaneous Localization (CSL) collapse model are extracted. To this end, the X-ray emission data collected by the IGEX collaboration are analyzed and compared with the spectrum of the spontaneous photon emission process predicted by collapse models. This study allows the obtainment of the most stringent limits within a relevant range of the CSL model parameters, with respect to any other method. The collapse rate λ and the correlation length r C are mapped, thus allowing the exclusion of a broad range of the parameter space. View Full-Text
Keywords: quantum mechanics; the measurement problem; collapse models; X-rays quantum mechanics; the measurement problem; collapse models; X-rays
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Piscicchia, K.; Bassi, A.; Curceanu, C.; Grande, R.D.; Donadi, S.; Hiesmayr, B.C.; Pichler, A. CSL Collapse Model Mapped with the Spontaneous Radiation. Entropy 2017, 19, 319.

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