The inclusion of excited nuclear clusters increases all cumulant ratios, with corrections ranging from 1% to 100% at low collision energies.
Effect estimate: null (95% CI null)
p-value: p=null
We calculate the contribution of the decay products of excited nuclear cluster states to the event-by-event fluctuations of protons in the energy range from sNN=2−5 GeV within the statistical model. We find that the inclusion of the excited nuclear clusters yields corrections to all cumulant ratios, ranging from 1% for ratio of second to first-order cumulant to 100% for the sixth to second order cumulant towards the lowest inspected energy. As expected the contribution of excited cluster states is most important at low energies sNN<3.5 GeV and becomes negligible at higher collision energies. Especially in light of the expected ultra-high precision data from CBM at FAIR, this new contribution is important to allow for a quantitative comparison with (potentially later available) lattice QCD or effective model results.
Tomášik et al. (Wed,) conducted a other in proton number fluctuations. decay products of excited nuclear cluster states was evaluated on cumulant ratios of proton number fluctuations (null, 95% CI null, p=null). The inclusion of excited nuclear clusters increases all cumulant ratios, with corrections ranging from 1% to 100% at low collision energies.
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