Nuclear modification of Y states in pPb collisions at sNN=5.02TeV

Nuclear modification of Y states in pPb collisions at sNN=5.02TeV

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Production cross sections of Image 1, Image 2, and Image 3 states decaying into Image 4 in proton-lead (pPb) collisions are reported using data collected by the CMS experiment at sNN=5.02TeV.A comparison is made with corresponding cross sections obtained with pp data measured at the same collision energy and scaled by the Pb nucleus mass number.The nuclear modification factor for Image 1 is found to be Image 5.

Similar results for the Bike Accessories - Triathlon excited states indicate a sequential suppression pattern, such that Image 6.The suppression of all states is much less pronounced in pPb than in PbPb collisions, and independent of transverse momentum Image 7 and center-of-mass rapidity Image 8 of the individual Image 9 state in the studied range Image 10 and Image 11.Models that incorporate final-state effects of bottomonia in pPb collisions are in better agreement with the data than Teddy Bear With Shirt Gift Box those which only assume initial-state modifications.