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Evidence for thermal equilibration in multifragmentation reactions probed with bremsstrahlung photons
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SYSNO ASEP 0185346 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Evidence for thermal equilibration in multifragmentation reactions probed with bremsstrahlung photons Author(s) de Enterria, D. G. (FR)
Aphecetche, L. (FR)
Chbihi, A. (FR)
Delagrange, H. (FR)
Díaz, J. (ES)
van Goethem, M. J. (NL)
Hefman, M. (NL)
Kugler, Andrej (UJF-V) RID, ORCID, SAI
Löhner, H. (DE)
Martínez, G. (FR)
Mora, M. J. (FR)
Ortega, R. (ES)
Ostendorf, R. W. (FR)
Schadmand, S. (DE)
Schutz, Y. (FR)
Siemssen, R. H. (NL)
Stracener, D. (US)
Tlustý, Pavel (UJF-V) ORCID, SAI
Turrisi, R. (FR)
Volkerts, M. (NL)
Wagner, Vladimír (UJF-V) RID, ORCID, SAI
Wilschut, H. W. (NL)
Yahlali, N. (ES)Source Title Physical Review Letters. - : American Physical Society - ISSN 0031-9007
Roč. 8702, č. 2 (2001), s. 2701-U35Number of pages 1 s. Language eng - English Country US - United States Subject RIV BG - Nuclear, Atomic and Molecular Physics, Colliders R&D Projects KSK1048102 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) Annotation The production of nuclear bremsstrahlung photons (E-gamma ) 30 MeV) has been studied in inclusive and exclusive measurements in four heavy-ion reactions at 60A MeV. The measured photon spectra, angular distributions, and multiplicities indicate that a significant fraction of the hard photons is emitted in secondary nucleon-nucleon collisions from a thermally equilibrated system. The observation of the thermal component in multifragment Ar-36 + Au-197 reactionssuggests that the breakup of the thermalized source produced in this system occurs on a rather long time scale. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2002
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