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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2511.17273 |
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Table of Contents:
- The light nuclei yields and yield ratios, as sensitive probes of the QCD phase transition, have been precisely measured at various collision energies.However, due to limited detector acceptance, the full $p_{\rm T}$ integral yield often requires extrapolation of the measured transverse momentum spectra to the unmeasured low-$p_{\rm T}$ region via functional fitting.Simulations with the AMPT-HC transport model and an after-burner coalescence approach indicate a significant low-$p_{\rm T}$ enhancement in peripheral collisions or forward rapidities, primarily originating from spectator nucleons.Consequently, conventional extrapolations tend to underestimate the true light nuclei yields.