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Jet properties in PbPb and pp collisions at $ \sqrt{s_{\mathrm{N}\;\mathrm{N}}}=5.02 $ TeV

The CMS collaboration
JHEP 1805 (2018) 006, 2018

Abstract
Modifications of the properties of jets in PbPb collisions, relative to those in pp collisions, are studied at a nucleon-nucleon center-of-mass energy of $ \sqrt{s_{\mathrm{N}\,\mathrm{N}}}=5.02 $ TeV via correlations of charged particles with the jet axis in relative pseudorapidity (Δη), relative azimuth (Δϕ), and relative angular distance from the jet axis $ \varDelta \mathrm{r}=\sqrt{{\left(\varDelta \eta \right)}^2+{\left(\varDelta \phi \right)}^2} $ . This analysis uses data collected with the CMS detector at the LHC, corresponding to integrated luminosities of 404 μb$^{−1}$ and 27.4 pb$^{−1}$ for PbPb and pp collisions, respectively. Charged particle number densities, jet fragmentation functions, and jet shapes are presented as a function of PbPb collision centrality and charged-particle track transverse momentum, providing a differential description of jet modifications due to interactions with the quark-gluon plasma.

  • Table 1

    Data from top and middle panels of Fig. 1

    10.17182/hepdata.83196.v1/t1

    The distribution of jet-correlated charged-particle tracks with $|{\Delta\phi}|<1.0$ as a function of $\Delta\eta$ in pp and PbPb collisions. The PbPb...

  • Table 2

    Data from bottom panel of Fig. 1

    10.17182/hepdata.83196.v1/t2

    The difference between the PbPb and pp measurements from Table 1.

  • Table 3

    Data from top and middle panels of Fig. 2

    10.17182/hepdata.83196.v1/t3

    The distribution of jet-correlated charged-particle tracks with $|{\Delta\eta}|<1.0$ as a function of $\Delta\phi$ in pp and PbPb collisions. The PbPb...

  • Table 4

    Data from bottom panel of Fig. 2

    10.17182/hepdata.83196.v1/t4

    The difference between the PbPb and pp measurements from Table 3.

  • Table 5

    Data from top and middle panels of Fig. 3

    10.17182/hepdata.83196.v1/t5

    The distribution of jet-correlated charged-particle tracks as a function of $\Delta\mathrm{r}$ in pp and PbPb collisions. The PbPb results are...

  • Table 6

    Data from bottom panel of Fig. 3

    10.17182/hepdata.83196.v1/t6

    The difference between the PbPb and pp measurements from Table 5.

  • Table 7

    Data from top panel of Fig. 4

    10.17182/hepdata.83196.v1/t7

    The distribution of jet-correlated charged-particle tracks with $\Delta\mathrm{r} <1$ as a function of ${p_{\mathrm{T}}^{\text{trk}}}$ in PbPb and pp collisions. The...

  • Table 8

    Data from bottom panel of Fig. 4

    10.17182/hepdata.83196.v1/t8

    The corresponding results for the difference between the PbPb and pp measurements from Table 7.

  • Table 9

    Data from top and middle panels of Fig. 5

    10.17182/hepdata.83196.v1/t9

    The radial jet momentum distribution $\mathrm{P}(\Delta\mathrm{r})$ of jets in pp and PbPb collisions. The PbPb results are shown for different...

  • Table 10

    Data from bottom panel of Fig. 5

    10.17182/hepdata.83196.v1/t10

    The ratio between PbPb and pp measurements from Table 9 for the indicated intervals of ${p_{\mathrm{T}}^{\text{trk}}}$.

  • Table 11

    Data from top and middle panels of Fig. 6

    10.17182/hepdata.83196.v1/t11

    The jet shape $\rho(\Delta\mathrm{r})$ in pp and PbPb collisions. The PbPb results are shown for different centrality regions.

  • Table 12

    Data from bottom panel of Fig. 6

    10.17182/hepdata.83196.v1/t12

    The ratio between the PbPb and pp measurements from Table 11 for the inclusive range $0.7< {p_{\mathrm{T}}^{\text{trk}}} <300GeV$.

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