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- Title
Centrality determination of Au + Au collisions at 1.23A GeV with HADES.
- Authors
HADES Collaboration; Adamczewski-Musch, J.; Arnold, O.; Behnke, C.; Belounnas, A.; Belyaev, A.; Berger-Chen, J. C.; Biernat, J.; Blanco, A.; Blume, C.; Böhmer, M.; Bordalo, P.; Chernenko, S.; Chlad, L.; Deveaux, C.; Dreyer, J.; Dybczak, A.; Epple, E.; Fabbietti, L.; Fateev, O.
- Abstract
The centrality determination for Au + Au collisions at 1.23A GeV, as measured with HADES at the GSI-SIS18, is described. In order to extract collision geometry related quantities, such as the average impact parameter or number of participating nucleons, a Glauber Monte Carlo approach is employed. For the application of this model to collisions at this relatively low centre-of-mass energy of s NN =2.42<inline-graphic></inline-graphic> GeV special investigations were performed. As a result a well defined procedure to determine centrality classes for ongoing analyses of heavy-ion data is established.
- Subjects
QUANTUM theory; NUCLEAR magnetic resonance spectroscopy; X-ray crystallography; CRYSTAL structure; MIOCENE Epoch; MONTE Carlo method
- Publication
European Physical Journal A -- Hadrons & Nuclei, 2018, Vol 54, Issue 5, p1
- ISSN
1434-6001
- Publication type
Article
- DOI
10.1140/epja/i2018-12513-7