/ nucl-ex arXiv:1712.07993

Centrality determination of Au+Au with HADES

Abstract: The centrality determination for Au+Au, 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 $\sqrt{s_{\mathrm{NN}}} = 2.42$ 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.

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Запись создана 2018-01-09, последняя модификация 2018-01-09

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