PoS - Proceedings of Science
Volume 414 - 41st International Conference on High Energy physics (ICHEP2022) - Heavy Ions
Very low-p_{T} di-muon production in peripheral Au+Au collision at 200 GeV at STAR
Z. Li
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Pre-published on: November 23, 2022
Published on: June 15, 2023
We present the recent measurements of very low transverse momentum ($p_{\rm T}$) dilepton and J/$\psi$ production in peripheral Au+Au collisions via the $\mu^+\mu^-$ channel by the STAR experiment. Significant J/$\psi$ and $\mu^{+}\mu^{-}$ enhancements are observed at very low $p_{\rm T}$ compared to the expectation of hadronic production. The comparison to model calculations is presented, and its physics implications are discussed.
DOI: https://doi.org/10.22323/1.414.0498
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