Relative Modification of Prompt psi(2s) and j/psi yields from pp to pbpb collisions at sqrt(s[nn]) = 5.02 tev
dc.contributor.author | CMS Collaboration | |
dc.date.accessioned | 2018-10-17T20:25:41Z | |
dc.date.available | 2018-10-17T20:25:41Z | |
dc.date.issued | 2017-04-21 | |
dc.identifier.citation | Sirunyan, A. M., Tumasyan, A., Adam, W., Asilar, E., Bergauer, T., Brandstetter, J., ... & Friedl, M. (2017). Relative Modification of Prompt ψ (2 S) and J/ψ Yields from p p to PbPb Collisions at s N N= 5.02 TeV. Physical review letters, 118(16), 162301. | en_US |
dc.identifier.uri | http://hdl.handle.net/1808/26853 | |
dc.description.abstract | The relative modification of the prompt ψ(2S) and J/ψ yields from pp to PbPb collisions, at the center-of-mass energy of 5.02 TeV per nucleon pair, is presented. The analysis is based on pp and PbPb data samples collected by the CMS experiment at the LHC in 2015, corresponding to integrated luminosities of 28.0 pb−1 and 464 μb−1, respectively. The double ratio of measured yields of prompt charmonia reconstructed through their decays into muon pairs, (Nψ(2S)/NJ/ψ)PbPb/(Nψ(2S)/NJ/ψ)pp, is determined as a function of PbPb collision centrality and charmonium transverse momentum pT, in two kinematic intervals: |y|<1.6 covering 6.5<pT<30 GeV/c and 1.6<|y|<2.4 covering 3<pT<30 GeV/c. The centrality-integrated double ratios are 0.36±0.08(stat)±0.05(syst) in the first interval and 0.24±0.22(stat)±0.09(syst) in the second. The double ratio is lower than unity in all the measured bins, suggesting that the ψ(2S) yield is more suppressed than the J/ψ yield in the explored phase space. | en_US |
dc.publisher | American Physical Society | en_US |
dc.rights | Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. | en_US |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | en_US |
dc.title | Relative Modification of Prompt psi(2s) and j/psi yields from pp to pbpb collisions at sqrt(s[nn]) = 5.02 tev | en_US |
dc.type | Article | en_US |
kusw.kudepartment | Physics and Astronomy | en_US |
dc.identifier.doi | 10.1103/PhysRevLett.118.162301 | en_US |
kusw.oaversion | Scholarly/refereed, publisher version | en_US |
kusw.oapolicy | This item meets KU Open Access policy criteria. | en_US |
dc.rights.accessrights | openAccess | en_US |
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Except where otherwise noted, this item's license is described as: Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.