par Khachatryan, Vardan;Caillol, Cécile 
;Clerbaux, Barbara ;De Lentdecker, Gilles ;Dobur, Didar ;Favart, Laurent ;Gay, Arnaud ;Grebenyuk, Anastasia ;Leonard, Alexandre ;Mohammadi, Abdollah ;Pernie, Luca ;Reis, Thomas ;Seva, Tomislav ;Thomas, Laurent ;Vander Velde, Catherine ;Vanlaer, Pascal ;Wang, Jian ; [et al.]
Référence Physical review letters, 113, 26, 262301
Publication Publié, 2014-12
;Clerbaux, Barbara ;De Lentdecker, Gilles ;Dobur, Didar ;Favart, Laurent ;Gay, Arnaud ;Grebenyuk, Anastasia ;Leonard, Alexandre ;Mohammadi, Abdollah ;Pernie, Luca ;Reis, Thomas ;Seva, Tomislav ;Thomas, Laurent ;Vander Velde, Catherine ;Vanlaer, Pascal ;Wang, Jian ; [et al.]Référence Physical review letters, 113, 26, 262301
Publication Publié, 2014-12
Article révisé par les pairs
| Résumé : | The ratio between the prompt ψ(2S) and J/ψ yields, reconstructed via their decays into μ+μ-, is measured in Pb-Pb and p-p collisions at sNN=2.76 TeV. The analysis is based on Pb-Pb and p-p data samples collected by CMS at the Large Hadron Collider, corresponding to integrated luminosities of 150 μb-1 and 5.4 pb-1, respectively. The double ratio of measured yields (Nψ(2S)/NJ/ψ)Pb-Pb/(Nψ(2S)/NJ/ψ)p-p is computed in three Pb-Pb collision centrality bins and two kinematic ranges: one at midrapidity, |
