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| Format: | Preprint |
| Published: |
2026
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| Online Access: | https://arxiv.org/abs/2604.17974 |
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| _version_ | 1866917422298038272 |
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| author | Strangmann, Nicolas |
| author_facet | Strangmann, Nicolas |
| contents | We present the first results on the $π^0$ nuclear modification factor $R_{OO}$ in OO collisions at LHC energies by the ALICE experiment. The measurement of the modification of hadron production in nuclear collisions compared to a vacuum baseline in pp collisions is a valuable probe for parton energy loss in the hot medium. The ALICE $R_{OO}$ results show significant (up to 4$σ$) suppression of $π^0$ production in OO collisions compared to the pp reference, and up to 2.4$σ$ deviation w.r.t. model predictions that include only cold nuclear matter effects. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_17974 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Nuclear Modification of $π^0$ Production in OO Collisions with ALICE Strangmann, Nicolas Nuclear Experiment We present the first results on the $π^0$ nuclear modification factor $R_{OO}$ in OO collisions at LHC energies by the ALICE experiment. The measurement of the modification of hadron production in nuclear collisions compared to a vacuum baseline in pp collisions is a valuable probe for parton energy loss in the hot medium. The ALICE $R_{OO}$ results show significant (up to 4$σ$) suppression of $π^0$ production in OO collisions compared to the pp reference, and up to 2.4$σ$ deviation w.r.t. model predictions that include only cold nuclear matter effects. |
| title | Nuclear Modification of $π^0$ Production in OO Collisions with ALICE |
| topic | Nuclear Experiment |
| url | https://arxiv.org/abs/2604.17974 |