scholarly journals Quarkonium measurements in heavy-ion collisions with the STAR experiment

2018 ◽  
Vol 171 ◽  
pp. 18015
Author(s):  
Xinjie Huang
Keyword(s):  
Transverse Momentum ◽  
Nuclear Matter ◽  
Heavy Ion Collisions ◽  
Theoretical Calculations ◽  
Heavy Ion ◽  
Matter Effects ◽  
Nuclear Modification ◽  
Ion Collisions ◽  
Star Experiment ◽  
Nuclear Modification Factors

In these proceedings, we present the latest measurements of J/ψ and ϒ by the STAR experiment. The J/ψ and ϒ production measured in p+p collisions provide new baselines for similar measurements in Au+Au collisions, while the measurements in p+Au collisions can help quantify the cold nuclear matter effects. The J/ψ υ2 is measured in both U+U and Au+Au collisions to place constraints on the amount of J/ψ arising from recombination of deconfined charm and anti-charm pairs. Furthermore, the nuclear modification factors for ground and excited ϒ states as a function of transverse momentum and centrality are presented, and compared to those measured at the LHC as well as to theoretical calculations.

scholarly journals Production of quarkonia at RHIC

2016 ◽  
Vol 31 (28n29) ◽  
pp. 1645036 ◽  
Author(s):  
Róbert Vértesi
Keyword(s):  
Nuclear Matter ◽  
Heavy Ion ◽  
High Energy ◽  
Matter Effects ◽  
Nuclear Modification ◽  
Ion Collisions ◽  
Physics Program ◽  
Text Production ◽  
Wide Range ◽  
Energy Frontier

The production of different quarkonium states provides unique insight to the hot and cold nuclear matter effects in the strongly interacting medium that is formed in high energy heavy ion collisions. While LHC explores the energy frontier, RHIC has a broad physics program to explore the nuclear modification at different energies in a wide range of systems. Some of the most interesting recent results on [Formula: see text] and [Formula: see text]production in p+p, d+Au and A+A collisions from PHENIX and STAR are summarized in this work.

scholarly journals Recent results on hard probes with ALICE and STAR

2019 ◽  
Vol 206 ◽  
pp. 05003
Author(s):  
Yaxian Mao
Keyword(s):  
Fragmentation Function ◽  
Heavy Ion Collisions ◽  
Star Collaboration ◽  
Heavy Ion ◽  
Experimental Results ◽  
Nuclear Modification ◽  
Ion Collisions ◽  
Nuclear Modification Factors ◽  
Jet Fragmentation ◽  
Jet Shapes

This paper reviews recent experimental results on hard probes in heavy-ion collisions from the ALICE and STAR Collaboration. These studies include various observables characterizing jet properties like nuclear modification factors, recoil jet yields, di-jet and photon-jet energy imbalance, and the observables characterizing jet properties like jet fragmentation function and jet shapes; and measurements of high-pT charged hadrons from jet fragmentation and triggered particle correlations will be highlighted.

scholarly journals Skewness of mean transverse momentum fluctuations in heavy-ion collisions

2021 ◽  
Vol 103 (2) ◽  
Author(s):  
Giuliano Giacalone ◽  
Fernando G. Gardim ◽  
Jacquelyn Noronha-Hostler ◽  
Jean-Yves Ollitrault
Keyword(s):  
Transverse Momentum ◽  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Ion Collisions
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