002698580 001__ 2698580
002698580 005__ 20200614080330.0
002698580 0248_ $$aoai:cds.cern.ch:2698580$$pcerncds:FULLTEXT$$pcerncds:cms-pas
002698580 037__ $$aCMS-PAS-HIN-19-002
002698580 035__ $$9Inspire$$a1763365
002698580 110__ $$aCMS Collaboration
002698580 245__ $$aMeasurement of the elliptic flow of $\Upsilon\textrm{(1S)}$ and $\Upsilon\textrm{(2S)}$ mesons in PbPb collisions at $\sqrt{\mathrm{s_{NN}}}=5.02~\mathrm{TeV}$
002698580 260__ $$c2019
002698580 269__ $$aGeneva$$bCERN
002698580 520__ $$aThe second-order Fourier coefficients ($v_{2}$) characterizing the azimuthal dependence of $\Upsilon\textrm{(1S)}$ and $\Upsilon\textrm{(2S)}$ mesons arising from PbPb collisions at $\sqrt{\mathrm{s_{NN}}}=5.02~\mathrm{TeV}$ are determined. The $\Upsilon$ mesons are reconstructed using the di-muon decay channel as measured using the CMS detector. The dataset was obtained in 2018 and corresponds to an integrated luminosity of 1.7 $\mathrm{nb^{-1}}$. The scalar product method is used for the $v_{2}$ analysis. Results are reported for the rapidity range $|y| < 2.4$, with $0 < p_{\mathrm{T}} < 50~\mathrm{GeV}$, and in four centrality classes of 0-$10\%$, 10-$30\%$, 30-$50\%$ and 50-$90\%$, with 0-$10\%$ corresponding to the most central collisions. The average $v_{2}$ value for $\Upsilon\textrm{(1S)}$ mesons is 0.007 $\pm$ 0.011 (stat) $\pm$ 0.005 (syst) in the 10-$90\%$ centrality interval. The observed $v_{2}$ values are consistent with zero for all $p_{\mathrm{T}}$ and centrality ranges, with a maximum offset of 2.5 standard deviations. The $v_{2}$ value for $\Upsilon\textrm{(2S)}$ mesons is measured for the first time and found to be -0.063 $\pm$ 0.085 (stat) $\pm$ 0.037 (syst) in the 10-$90\%$ centrality interval.
002698580 6531_ $$9CMS$$aMonte-Carlo
002698580 65017 $$2SzGeCERN$$aNuclear Physics - Experiment
002698580 693__ $$aCERN LHC$$eCMS
002698580 690C_ $$aCERN
002698580 710__ $$gCMS Collaboration
002698580 78502 $$isuperseded by$$rCERN-EP-2020-039$$w2720752
002698580 8564_ $$uhttp://cms.cern.ch/iCMS/analysisadmin/cadi?ancode=HIN-19-002$$yAdditional information for the analysis (restricted access)
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002698580 859__ [email protected]
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002698580 980__ $$aNOTE
002698580 980__ $$aCMS-PHYSICS-ANALYSIS-SUMMARIES