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Chaos in nuclei: Theory and experiment

dc.contributor.authorMuñoz Muñoz, Laura
dc.contributor.authorMolina, R. A.
dc.contributor.authorGómez Gómez, José María
dc.date.accessioned2023-06-17T22:39:37Z
dc.date.available2023-06-17T22:39:37Z
dc.date.issued2018
dc.descriptionInternational School on Nuclear Physics, Neutron Physics and Applications (22nd. 2017. Varna, Bulgaria). This research was conducted with support of MINECO/FEDER Grant Nos. FIS2015-63770-P and FPA2015-65035-P.
dc.description.abstractDuring the last three decades the quest for chaos in nuclei has been quite intensive, both with theoretical calculations using nuclear models and with detailed analyses of experimental data. In this paper we outline the concept and characteristics of quantum chaos in two different approaches, the random matrix theory fluctuations and the time series fluctuations. Then we discuss the theoretical and experimental evidence of chaos in nuclei. Theoretical calculations, especially shell-model calculations, have shown a strongly chaotic behavior of bound states in regions of high level density. The analysis of experimental data has shown a strongly chaotic behavior of nuclear resonances just above the one-nucleon emission threshold. For bound states, combining experimental data of a large number of nuclei, a tendency towards chaotic motion is observed in spherical nuclei, while deformed nuclei exhibit a more regular behavior associated to the collective motion. On the other hand, it had never been possible to observe chaos in the experimental bound energy levels of any single nucleus. However, the complete experimental spectrum of the first 151 states up to excitation energies of 6.20 MeV in the Pb-208 nucleus have been recently identified and the analysis of its spectral fluctuations clearly shows the existence of chaotic motion.eng
dc.description.departmentDepto. de Estructura de la Materia, Física Térmica y Electrónica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Economía y Competitividad (España)
dc.description.sponsorshipEuropean Commission
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/51650
dc.identifier.citationMuñoz L, Molina R A and Gómez J M G 2018 Chaos in nuclei: Theory and experiment J. Phys.: Conf. Ser. 1023 012011
dc.identifier.doi10.1088/1742-6596/1023/1/012011
dc.identifier.issn1742-6588
dc.identifier.officialurlhttp://dx.doi.org/10.1088/1742-6596/1023/1/012011
dc.identifier.relatedurlhttps://iopscience.iop.org/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/18736
dc.journal.titleJournal of Physics Conference Series
dc.language.isoeng
dc.publisherIOP Publishing Ltd
dc.rightsAtribución 3.0 España
dc.rights.accessRightsopen access
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/es/
dc.subject.cdu539.1
dc.subject.keywordEnergy-levels
dc.subject.keywordFluctuation properties
dc.subject.keywordSpectrum
dc.subject.keywordPhysics
dc.subject.ucmFísica nuclear
dc.subject.unesco2207 Física Atómica y Nuclear
dc.titleChaos in nuclei: Theory and experiment
dc.typejournal article
dc.volume.number1023
dspace.entity.typePublication
relation.isAuthorOfPublication145acd47-d011-4f1d-864c-e9f7aa0751af
relation.isAuthorOfPublication41cdbde8-9afc-4edf-aa3c-1430d8ad268e
relation.isAuthorOfPublication.latestForDiscovery41cdbde8-9afc-4edf-aa3c-1430d8ad268e

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