PoS - Proceedings of Science
Volume 398 - The European Physical Society Conference on High Energy Physics (EPS-HEP2021) - T05: Heavy Ion Physics
Secondary nuclei from O-16 fragmentation at the LHC
A. Svetlichnyi*, R. Nepeivoda, N. Kozyrev and I.A. Pshenichnov
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Pre-published on: January 12, 2022
Published on:
Abstract
Fragmentation of relativistic $^{16}$O in nuclear emulsions and in future runs at the LHC was simulated with the Abrasion-Ablation Monte Carlo for Colliders (AAMCC) model. The calculated probabilities of production of specific elements as spectators in $^{16}$O--Em collisions were found in general agreement with measurements. However, the calculated multiplicity distributions of $^4$He fragments have demonstrated the underestimation of channels with single $^4$He and, especially with two and three $^4$He. Such a deficiency of multiple production of $^4$He can be attributed to $\alpha$-clustering in initial $^{16}$O. The cross sections of production of given numbers of spectator neutrons and nucleons as well as certain spectator nuclei were also calculated with AAMCC for $^{16}$O--$^{16}$O collisions at the LHC.
DOI: https://doi.org/10.22323/1.398.0310
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