# High-pT Neutral Pion Production in Heavy Ion Collisions at SPS and RHIC

Source: [High-pT Neutral Pion Production in Heavy Ion Collisions at SPS and RHIC](<https://www.sota2.com/research/paper/68fa3a4e1e209131ce8c9ba0>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-24T23:59:39.870Z

Authors: K. Reygers

Published: 2002-02-15T15:02:01.000Z

## Abstract

Transverse momentum spectra for neutral pions have been measured by the WA98 experiment in sqrt{s\_{nn}}=17.3 GeV Pb+Pb collisions at the CERN SPS and by the PHENIX experiment in sqrt{s\_{nn}}=130 GeV Au+Au collisions at RHIC. The neutral pion yields in central collisions for both reaction systems are compared to scaled transverse momentum spectra for nucleon-nucleon reactions at the respective energy. At SPS energies neutral pion production at high $p\_T$ is enhanced compared to the n+n reference while at RHIC a significant suppression of high-pT neutral pions is observed.

## Recorded benchmark results

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/nucl-ex/0202018>)

[PDF](<https://arxiv.org/pdf/nucl-ex/0202018.pdf>)