{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T01:51:30Z","timestamp":1775181090557,"version":"3.50.1"},"reference-count":22,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2017,6,29]],"date-time":"2017-06-29T00:00:00Z","timestamp":1498694400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Entropy"],"abstract":"<jats:p>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    \u03bb    and the correlation length     r C     are mapped, thus allowing the exclusion of a broad range of the parameter space.<\/jats:p>","DOI":"10.3390\/e19070319","type":"journal-article","created":{"date-parts":[[2017,6,29]],"date-time":"2017-06-29T10:40:04Z","timestamp":1498732804000},"page":"319","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":52,"title":["CSL Collapse Model Mapped with the Spontaneous Radiation"],"prefix":"10.3390","volume":"19","author":[{"given":"Kristian","family":"Piscicchia","sequence":"first","affiliation":[{"name":"CENTRO FERMI\u2014Museo Storico della Fisica e Centro Studi e Ricerche \u201cEnrico Fermi\u201d, 00184 Rome, Italy"},{"name":"Istituto Nazionale di Fisica Nucleare (INFN), Laboratori Nazionali di Frascati, 00044 Frascati, Italy"}]},{"given":"Angelo","family":"Bassi","sequence":"additional","affiliation":[{"name":"Department of Physics, University of Trieste, 34151 Miramare-Trieste, Italy"},{"name":"Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, Via Valerio 2, 34127 Trieste, Italy"}]},{"given":"Catalina","family":"Curceanu","sequence":"additional","affiliation":[{"name":"Istituto Nazionale di Fisica Nucleare (INFN), Laboratori Nazionali di Frascati, 00044 Frascati, Italy"},{"name":"CENTRO FERMI\u2014Museo Storico della Fisica e Centro Studi e Ricerche \u201cEnrico Fermi\u201d, 00184 Rome, Italy"}]},{"given":"Raffaele","family":"Grande","sequence":"additional","affiliation":[{"name":"Istituto Nazionale di Fisica Nucleare (INFN), Laboratori Nazionali di Frascati, 00044 Frascati, Italy"}]},{"given":"Sandro","family":"Donadi","sequence":"additional","affiliation":[{"name":"Institute of Theoretical Physics, Ulm University, Albert-Einstein-Allee 11 D, 89069 Ulm, Germany"}]},{"given":"Beatrix","family":"Hiesmayr","sequence":"additional","affiliation":[{"name":"Faculty of Physics, University of Vienna, Boltzmanngasse 5, 1090 Vienna, Austria"}]},{"given":"Andreas","family":"Pichler","sequence":"additional","affiliation":[{"name":"Stefan-Meyer-Institut f\u00fcr Subatomare Physik, 1090 Vienna, Austria"}]}],"member":"1968","published-online":{"date-parts":[[2017,6,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"257","DOI":"10.1016\/S0370-1573(03)00103-0","article-title":"Dynamical reduction models","volume":"379","author":"Bassi","year":"2003","journal-title":"Phys. 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