High pT identified hadrons in large and small systems measured by PHENIX

The PHENIX experiment at RHIC measured identified hadrons in several collision systems and centrality classes. Measurements were performed in different years and independent decay modes. The mesons show universal high-pT supression in the different collision systems which suggest no dependency on the size of the projectile. Yields of π 0, ɳ, KS , K* and Φ mesons measured in large systems show similar suppression pattern at SNN=200GeV for similar numbers of participant nucleons. In the intermediate pT region, between 2 and 5 GeV/c, a significant enhancement of baryon-to-meson ratios compared to those measured in pp collisions is observed. In small systems an ordering (R pA > R dA > R HeA) for the mesons (π 0 and Φ) at mid-pT was observed.

• Publication year

  2020

• Venue

  Journal of Physics: Conference Series

• Publication date

  2020-07-01

• Fields of study

  Physics

• Identifiers
  DOI 10.1088/1742-6596/1602/1/012020
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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