Dijet imbalance measurements in Au+Au and pp collisions at sNN =200 GeV at STAR

STAR Collaboration

研究成果: Article同行評審

24 引文 斯高帕斯(Scopus)

摘要

We report the first dijet transverse momentum asymmetry measurements from Au+Au and pp collisions at RHIC. The two highest-energy back-to-back jets reconstructed from fragments with transverse momenta above 2 GeV/c display a significantly higher momentum imbalance in heavy-ion collisions than in the pp reference. When reexamined with correlated soft particles included, we observe that these dijets then exhibit a unique new feature - momentum balance is restored to that observed in pp for a jet resolution parameter of R=0.4, while rebalancing is not attained with a smaller value of R=0.2.

原文English
文章編號062301
期刊Physical review letters
119
發行號6
DOIs
出版狀態Published - 2017 八月 10

All Science Journal Classification (ASJC) codes

  • 物理與天文學 (全部)

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