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Open AccessProceedings

Measurements of the Υ Meson Production in Au + Au Collisions by the STAR Experiment

by , on behalf of the STAR collaboration
Czech Technical University in Prague, 115 19 Praha, Czech Republic
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), 46; https://doi.org/10.3390/proceedings2019010046
Published: 5 May 2019
In ultra-relativistic heavy-ion collisions, creation of a novel state of matter, the quark-gluon plasma (QGP), has been observed. Suppressed production of quarkonia, caused by the colour screening of the binding force, has been proposed as a direct evidence of the QGP formation. At RHIC energies, other phenomena such as the regeneration and co-mover absorption, are expected to have a small effect for the bottomonium family, which makes Υ a cleaner probe of the screening effect compared to the J / ψ meson. In these proceedings, the latest measurements of the Υ production suppression in Au + Au collisions at s NN = 200 GeV via the di-muon and di-electron decay channels by the STAR experiment at RHIC are presented and compared with data from the LHC and theoretical calculations. Moreover, Υ production measurements in p + p and p + Au collisions are also reported, providing a baseline and a quantification of the cold nuclear matter effects, respectively.
Keywords: upsilon; quarkonium suppression; STAR upsilon; quarkonium suppression; STAR
MDPI and ACS Style

Matonoha, O., , on behalf of the STAR collaboration; Measurements of the Υ Meson Production in Au + Au Collisions by the STAR Experiment. Proceedings 2019, 10, 46. https://doi.org/10.3390/proceedings2019010046

AMA Style

Matonoha O , on behalf of the STAR collaboration. Measurements of the Υ Meson Production in Au + Au Collisions by the STAR Experiment. Proceedings. 2019; 10(1):46. https://doi.org/10.3390/proceedings2019010046

Chicago/Turabian Style

Matonoha, Oliver , on behalf of the STAR collaboration. 2019. "Measurements of the Υ Meson Production in Au + Au Collisions by the STAR Experiment" Proceedings 10, no. 1: 46. https://doi.org/10.3390/proceedings2019010046

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