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Centrality determination of Au + Au collisions at 1.23A GeV with HADES
- Source :
- Eur.Phys.J.A, Eur.Phys.J.A, 2018, 54 (5), pp.85. 〈10.1140/epja/i2018-12513-7〉, Eur.Phys.J.A, 2018, 54 (5), pp.85. ⟨10.1140/epja/i2018-12513-7⟩, European Physical Journal A, European Physical Journal A, EDP Sciences, 2018, 54 (5), pp.85. ⟨10.1140/epja/i2018-12513-7⟩, Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos), Agência para a Sociedade do Conhecimento (UMIC)-FCT-Sociedade da Informação, instacron:RCAAP
- Publication Year :
- 2018
- Publisher :
- HAL CCSD, 2018.
-
Abstract
- International audience; 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 $ \sqrt{s_{{\rm NN}}} = 2.42$ 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 :
- Nuclear and High Energy Physics
experimental methods
heavy ion: scattering
geometry
Monte Carlo method
FOS: Physical sciences
Glauber
[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
time-of-flight
01 natural sciences
Nuclear physics
0103 physical sciences
Nuclear Experiment (nucl-ex)
[ PHYS.NEXP ] Physics [physics]/Nuclear Experiment [nucl-ex]
numerical calculations
010306 general physics
Nuclear Experiment
impact parameter
Monte Carlo
Physics
010308 nuclear & particles physics
nucleon
Order (ring theory)
resistive plate chamber
Collision
heavy ion
Automatic Keywords
HADES
1.23 GeV/nucleon 2.42 GeV-cms/nucleon
Impact parameter
Nucleon
Centrality
Energy (signal processing)
Subjects
Details
- Language :
- English
- ISSN :
- 14346001 and 1434601X
- Database :
- OpenAIRE
- Journal :
- Eur.Phys.J.A, Eur.Phys.J.A, 2018, 54 (5), pp.85. 〈10.1140/epja/i2018-12513-7〉, Eur.Phys.J.A, 2018, 54 (5), pp.85. ⟨10.1140/epja/i2018-12513-7⟩, European Physical Journal A, European Physical Journal A, EDP Sciences, 2018, 54 (5), pp.85. ⟨10.1140/epja/i2018-12513-7⟩, Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos), Agência para a Sociedade do Conhecimento (UMIC)-FCT-Sociedade da Informação, instacron:RCAAP
- Accession number :
- edsair.doi.dedup.....619e152857f6a8a5476009f3a6858404
- Full Text :
- https://doi.org/10.1140/epja/i2018-12513-7〉