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Open Bottom Production in Au Au Collisions at √sNN = 200 GeV with the STAR Experiment

1
Department of Modern Physics, University of Science and Technology of China (USTC), Hefei 230026, China
2
Department of Radiology, Lanzhou University Second Hospital, Lanzhou 730030, China
3
Key Laboratory of Medical Imaging of Gansu Province, Lanzhou 730030,China
Presented at Hot Quarks 2018—Workshop for young scientists on the physics of ultrarelativistic nucleus-nucleus collisions, Texel, The Netherlands, 7–14 September 2018.
Proceedings 2019, 10(1), 39; https://doi.org/10.3390/proceedings2019010039
Published: 24 April 2019
PDF [785 KB, uploaded 24 April 2019]

Abstract

In these proceedings, we present measurements of open bottom hadron production through multiple decay channels in Au + Au collisions at s NN = 200 GeV by the STAR experiment. Specifically, measurements of nuclear modification factors for electrons, J / ψ , and D 0 from open bottom hadron decays, enabled by the Heavy Flavor Tracker, are shown. A large suppression for non-prompt J / ψ and non-prompt D 0 are observed at high transverse momenta. On the other hand, there seems to be less suppression for electrons from bottom hadron decays than for those from charm hadron decays at ∼ 2 σ significance level.
Keywords: open bottom production; nuclear modification factors; non-prompt J/ψ; non-prompt D0; electrons from bottom hadron decays; quark-gluon plasma open bottom production; nuclear modification factors; non-prompt J/ψ; non-prompt D0; electrons from bottom hadron decays; quark-gluon plasma
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Zhang, S. Open Bottom Production in Au Au Collisions at √sNN = 200 GeV with the STAR Experiment. Proceedings 2019, 10, 39.

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