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Observation of the $\Upsilon\textrm{(3S)}$ meson and sequential suppression of $\Upsilon$ states in PbPb collisions at $\sqrt{\mathrm{s_{NN}}}=5.02~\mathrm{TeV}$
The production of $\Upsilon\textrm{(2S)}$ and $\Upsilon\textrm{(3S)}$ mesons in lead-lead (PbPb) and proton-proton (pp) collisions is studied using the CMS detector at the LHC. Their nuclear modification factors, $R_{\textrm{AA}}$, derived from the ratio of yields measured in PbPb to pp collisions,...
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2022
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| Acceso en línea: | http://cds.cern.ch/record/2805926 |