Strange Hadron Production from STAR Fixed-Target Program
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Pre-published on:
January 16, 2018
Published on:
January 22, 2018
Abstract
We report the transverse mass spectra and yield ($dN/dy$) for strange hadrons ($\mathrm{K}^{0}_{\mathrm S}$ and $\Lambda$) in rapidity interval of $0.25 < |y| < 1.75$ from the first dedicated run of the STAR Fixed-Target program in 2015 with Au+Au collisions at $\sqrt{\mathrm{s}_{_{\mathrm{NN}}}}$ = 4.5 GeV and Al+Au at $\sqrt{\mathrm{s}_{_{\mathrm{NN}}}}$ 4.9 GeV. These results are compared with the previous published results from different AGS experiments. The reasonable agreements demonstrate that STAR has good event reconstruction and particle identification capabilities in fixed-target configuration. The physics implications for collision dynamics of these results and the future STAR Fixed-Target program are discussed.
DOI: https://doi.org/10.22323/1.311.0073
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.