HEPData

Abstract (data abstract)

CERN-LHC. The nuclear modification factors of J/psi and psi(2S) mesons are measured in PbPb collisions at a centre-of-mass energy per nucleon pair of 5.02 TeV. The analysis is based on PbPb and pp data samples collected by CMS at the LHC in 2015, corresponding to integrated luminosities of 464 inverse microbarns and 28 inverse picobarns, respectively. The measurements are performed in the dimuon rapidity range of abs(y)< 2.4 as a function of centrality, rapidity, and transverse momentum (pT) from pT= 3 GeV/c in the most forward region and up to 50 GeV/c. Both prompt and nonprompt (coming from b hadron decays) J/psi mesons are observed to be increasingly suppressed with centrality, with a magnitude similar to the one observed at 2.76 TeV for the two J/psi meson components. No dependence on rapidity is observed for either prompt or nonprompt J/psi mesons. An indication of a lower prompt J/psi meson suppression at pT > 25 GeV/c is seen with respect to that observed at intermediate pT. The prompt psi(2S) meson yield is found to be more suppressed than that of the prompt J/psi mesons in the entire pT range.

Table 1

Data from Figure 2a

10.17182/hepdata.80816.v1/t1

Fraction of J/psi mesons coming from the decay of b hadrons, i.e. nonprompt J/psi meson fraction, as a function of...
https://www.hepdata.net/record/data/280452yaml https://www.hepdata.net/record/data/280452/csvcsv
Table 2

Data from Figure 2b

10.17182/hepdata.80816.v1/t2

Fraction of J/psi mesons coming from the decay of b hadrons, i.e. nonprompt J/psi meson fraction, as a function of...
https://www.hepdata.net/record/data/280453yaml https://www.hepdata.net/record/data/280453/csvcsv
Table 3

Data from Figure 3a

10.17182/hepdata.80816.v1/t3

Differential cross section of prompt J/psi mesons as a function of dimuon pT in pp and PbPb collisions. The PbPb...
https://www.hepdata.net/record/data/280454yaml https://www.hepdata.net/record/data/280454/csvcsv
Table 4

Data from Figure 3b

10.17182/hepdata.80816.v1/t4

Differential cross section of J/psi mesons from b hadrons as a function of dimuon pT in pp and PbPb collisions....
https://www.hepdata.net/record/data/280455yaml https://www.hepdata.net/record/data/280455/csvcsv
Table 5

Data from Figure 3c

10.17182/hepdata.80816.v1/t5

Differential cross section of prompt J/psi mesons as a function of dimuon rapidty in pp and PbPb collisions. The PbPb...
https://www.hepdata.net/record/data/280456yaml https://www.hepdata.net/record/data/280456/csvcsv
Table 6

Data from Figure 3d

10.17182/hepdata.80816.v1/t6

Differential cross section of J/psi mesons from b hadrons as a function of dimuon rapidty in pp and PbPb collisions....
https://www.hepdata.net/record/data/280457yaml https://www.hepdata.net/record/data/280457/csvcsv
Table 7

Data from Figure 4a

10.17182/hepdata.80816.v1/t7

Nuclear modification factor of prompt J/psi mesons as a function of dimuon rapidity. Global uncertainties arise from the integrated luminosity...
https://www.hepdata.net/record/data/280458yaml https://www.hepdata.net/record/data/280458/csvcsv
Table 8

Data from Figure 4b

10.17182/hepdata.80816.v1/t8

Nuclear modification factor of prompt J/psi mesons as a function of collision centrality. Global uncertainties arise from the full pp...
https://www.hepdata.net/record/data/280459yaml https://www.hepdata.net/record/data/280459/csvcsv
Table 9

Data from Figure 4c

10.17182/hepdata.80816.v1/t9

Nuclear modification factor of prompt J/psi mesons as a function of dimuon pT. Global uncertainties arise from the integrated luminosity...
https://www.hepdata.net/record/data/280460yaml https://www.hepdata.net/record/data/280460/csvcsv
Table 10

Data from Figure 5a

10.17182/hepdata.80816.v1/t10

Nuclear modification factor of prompt J/psi mesons as a function of dimuon pT in the mid-rapidity interval. Global uncertainties arise...
https://www.hepdata.net/record/data/280461yaml https://www.hepdata.net/record/data/280461/csvcsv
Table 11

Data from Figure 5a

10.17182/hepdata.80816.v1/t11

Nuclear modification factor of prompt J/psi mesons as a function of dimuon pT in the most forward rapidity interval. Global...
https://www.hepdata.net/record/data/280462yaml https://www.hepdata.net/record/data/280462/csvcsv
Table 12

Data from Figure 5b

10.17182/hepdata.80816.v1/t12

Nuclear modification factor of prompt J/psi mesons as a function of collision centrality in the mid- and most forward rapidity...
https://www.hepdata.net/record/data/280463yaml https://www.hepdata.net/record/data/280463/csvcsv
Table 13

Data from Figure 6a

10.17182/hepdata.80816.v1/t13

Nuclear modification factor of prompt J/psi mesons as a function of pT in three centrality bins. Global uncertainties arise from...
https://www.hepdata.net/record/data/280464yaml https://www.hepdata.net/record/data/280464/csvcsv
Table 14

Data from Figure 6b

10.17182/hepdata.80816.v1/t14

Nuclear modification factor of prompt J/psi mesons as a function of collision centrality in the most forward rapidity range at...
https://www.hepdata.net/record/data/280465yaml https://www.hepdata.net/record/data/280465/csvcsv
Table 15

Data from Figure 7a

10.17182/hepdata.80816.v1/t15

Nuclear modification factor of prompt J/psi mesons as a function of collision centrality in the mid-rapidity range. Global uncertainties arise...
https://www.hepdata.net/record/data/280466yaml https://www.hepdata.net/record/data/280466/csvcsv
Table 16

Data from Figure 7a

10.17182/hepdata.80816.v1/t16

Nuclear modification factor of prompt psi(2S) mesons as a function of collision centrality in the mid-rapidity range. Global uncertainties arise...
https://www.hepdata.net/record/data/280467yaml https://www.hepdata.net/record/data/280467/csvcsv
Table 17

Data from Figure 7a

10.17182/hepdata.80816.v1/t17

95% CL intervals on the nuclear modification factor of prompt psi(2S) mesons as a function of collision centrality in the...
https://www.hepdata.net/record/data/280468yaml https://www.hepdata.net/record/data/280468/csvcsv
Table 18

Data from Figure 7b

10.17182/hepdata.80816.v1/t18

Nuclear modification factor of prompt J/psi and psi(2S) mesons as a function of dimuon pT in the mid-rapidity range. Global...
https://www.hepdata.net/record/data/280469yaml https://www.hepdata.net/record/data/280469/csvcsv
Table 19

Data from Figure 7c

10.17182/hepdata.80816.v1/t19

Nuclear modification factor of prompt J/psi mesons as a function of collision centrality in the forward rapidity range. Global uncertainties...
https://www.hepdata.net/record/data/280470yaml https://www.hepdata.net/record/data/280470/csvcsv
Table 20

Data from Figure 7c

10.17182/hepdata.80816.v1/t20

Nuclear modification factor of prompt psi(2S) mesons as a function of collision centrality in the forward rapidity range. Global uncertainties...
https://www.hepdata.net/record/data/280471yaml https://www.hepdata.net/record/data/280471/csvcsv
Table 21

Data from Figure 7c

10.17182/hepdata.80816.v1/t21

95% CL intervals on the nuclear modification factor of prompt psi(2S) mesons as a function of collision centrality in the...
https://www.hepdata.net/record/data/280472yaml https://www.hepdata.net/record/data/280472/csvcsv
Table 22

Data from Figure 7d

10.17182/hepdata.80816.v1/t22

Nuclear modification factor of prompt J/psi mesons as a function of dimuon pT in the forward rapidity range. Global uncertainties...
https://www.hepdata.net/record/data/280473yaml https://www.hepdata.net/record/data/280473/csvcsv
Table 23

Data from Figure 7d

10.17182/hepdata.80816.v1/t23

Nuclear modification factor of prompt psi(2S) mesons as a function of dimuon pT in the forward rapidity range. Global uncertainties...
https://www.hepdata.net/record/data/280474yaml https://www.hepdata.net/record/data/280474/csvcsv
Table 24

Data from Figure 7d

10.17182/hepdata.80816.v1/t24

95% CL intervals on the nuclear modification factor of prompt psi(2S) mesons as a function of dimuon pT in the...
https://www.hepdata.net/record/data/280475yaml https://www.hepdata.net/record/data/280475/csvcsv
Table 25

Data from Figure 8a

10.17182/hepdata.80816.v1/t25

Nuclear modification factor of nonprompt J/psi mesons as a function of dimuon rapidity. Global uncertainties arise from the integrated luminosity...
https://www.hepdata.net/record/data/280476yaml https://www.hepdata.net/record/data/280476/csvcsv
Table 26

Data from Figure 8b

10.17182/hepdata.80816.v1/t26

Nuclear modification factor of nonprompt J/psi mesons as a function of collision centrality. Global uncertainties arise from the full pp...
https://www.hepdata.net/record/data/280477yaml https://www.hepdata.net/record/data/280477/csvcsv
Table 27

Data from Figure 8c

10.17182/hepdata.80816.v1/t27

Nuclear modification factor of nonprompt J/psi mesons as a function of dimuon pT. Global uncertainties arise from the integrated luminosity...
https://www.hepdata.net/record/data/280478yaml https://www.hepdata.net/record/data/280478/csvcsv
Table 28

Data from Figure 9a

10.17182/hepdata.80816.v1/t28

Nuclear modification factor of nonprompt J/psi mesons as a function of dimuon pT in the mid-rapidity interval. Global uncertainties arise...
https://www.hepdata.net/record/data/280479yaml https://www.hepdata.net/record/data/280479/csvcsv
Table 29

Data from Figure 9a

10.17182/hepdata.80816.v1/t29

Nuclear modification factor of nonprompt J/psi mesons as a function of dimuon pT in the most forward rapidity interval. Global...
https://www.hepdata.net/record/data/280480yaml https://www.hepdata.net/record/data/280480/csvcsv
Table 30

Data from Figure 9b

10.17182/hepdata.80816.v1/t30

Nuclear modification factor of nonprompt J/psi mesons as a function of collision centrality in the mid- and most forward rapidity...
https://www.hepdata.net/record/data/280481yaml https://www.hepdata.net/record/data/280481/csvcsv
Table 31

Data from Figure 10a

10.17182/hepdata.80816.v1/t31

Nuclear modification factor of nonprompt J/psi mesons as a function of pT in three centrality bins. Global uncertainties arise from...
https://www.hepdata.net/record/data/280482yaml https://www.hepdata.net/record/data/280482/csvcsv
Table 32

Data from Figure 10b

10.17182/hepdata.80816.v1/t32

Nuclear modification factor of nonprompt J/psi mesons as a function of collision centrality in the most forward rapidity range at...
https://www.hepdata.net/record/data/280483yaml https://www.hepdata.net/record/data/280483/csvcsv

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