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Constraints on jet quenching in p-Pb collisions at $\mathbf{\sqrt{s_{NN}}}$ = 5.02 TeV measured by the event-activity dependence of semi-inclusive hadron-jet distributions

The ALICE collaboration
No Journal Information, 2017

Abstract (data abstract)
CERN-LHC. Measurement of semi-inclusive distributions of charged-particle jets recoiling from a high-transverse momentum trigger hadron in p-Pb collisions at sqrt(sNN)=5.02 TeV. Jets are reconstructed from charged-particle tracks using the anti-kT algorithm with resolution parameter R=0.2 and 0.4. A data-driven statistical approach is used to correct the uncorrelated background jet yield. Recoil jet distributions are reported for jet transverse momentum 15<p_{T,jet}^{ch} <50 GeV/c and are compared in various intervals of p-Pb event activity, based on charged-particle multiplicity and zero-degree neutral energy in the forward (Pb-going) direction. Analysis is based on data collected by ALICE in 2013. Charged tracks are constrained to the pseudorapidity range |eta_{track}| < 0.9. Trigger tracks are required to be in the pT ranges 12 to 50 GeV/c and 6 to 7 GeV/c. Pseudorapidity of reconstructed jets is constrained by a fiducial cut |eta_{jet}|<0.9 - R. Lowest p_{T} of a jet constituent track is 150 MeV/c. The angle enclosed by a trigger track and a recoiling jet is greater than pi - 0.6 rad.

  • Table 1

    Data from Figure 3

    10.17182/hepdata.83540.v1/t1

    Corrected Delta_{recoil} distribution of recoil jets with R=0.4 measured for p-Pb collisions at sqrt{s_{NN}} = 5.02 TeV without imposing event...

  • Table 2

    Data from Figure 3

    10.17182/hepdata.83540.v1/t2

    Corrected Delta_{recoil} distribution of recoil jets with R=0.4 measured for p-Pb collisions at sqrt{s_{NN}} = 5.02 TeV with event activity...

  • Table 3

    Data from Figure 3

    10.17182/hepdata.83540.v1/t3

    Corrected Delta_{recoil} distribution of recoil jets with R=0.4 measured for p-Pb collisions at sqrt{s_{NN}} = 5.02 TeV with event activity...

  • Table 4

    Data from Figure 3

    10.17182/hepdata.83540.v1/t4

    Corrected Delta_{recoil} distribution of recoil jets with R=0.4 measured for p-Pb collisions at sqrt{s_{NN}} = 5.02 TeV with event activity...

  • Table 5

    Data from Figure 3

    10.17182/hepdata.83540.v1/t5

    Corrected Delta_{recoil} distribution of recoil jets with R=0.4 measured for p-Pb collisions at sqrt{s_{NN}} = 5.02 TeV with event activity...

  • Table 6

    Data from Figure 3

    10.17182/hepdata.83540.v1/t6

    Corrected Delta_{recoil} distribution of recoil jets with R=0.2 measured for p-Pb collisions at sqrt{s_{NN}} = 5.02 TeV without imposing event...

  • Table 7

    Data from Figure 3

    10.17182/hepdata.83540.v1/t7

    Corrected Delta_{recoil} distribution of recoil jets with R=0.2 measured for p-Pb collisions at sqrt{s_{NN}} = 5.02 TeV with event activity...

  • Table 8

    Data from Figure 3

    10.17182/hepdata.83540.v1/t8

    Corrected Delta_{recoil} distribution of recoil jets with R=0.2 measured for p-Pb collisions at sqrt{s_{NN}} = 5.02 TeV with event activity...

  • Table 9

    Data from Figure 3

    10.17182/hepdata.83540.v1/t9

    Corrected Delta_{recoil} distribution of recoil jets with R=0.2 measured for p-Pb collisions at sqrt{s_{NN}} = 5.02 TeV with event activity...

  • Table 10

    Data from Figure 3

    10.17182/hepdata.83540.v1/t10

    Corrected Delta_{recoil} distribution of recoil jets with R=0.2 measured for p-Pb collisions at sqrt{s_{NN}} = 5.02 TeV with event activity...

  • Table 11

    Data from Figure 4

    10.17182/hepdata.83540.v1/t11

    Ratio of event activity biased Delta_{recoil} distributions corresponding to recoil jets with R=0.4.

  • Table 12

    Data from Figure 4

    10.17182/hepdata.83540.v1/t12

    Ratio of event activity biased Delta_{recoil} distributions corresponding to recoil jets with R=0.4.

  • Table 13

    Data from Figure 4

    10.17182/hepdata.83540.v1/t13

    Ratio of event activity biased Delta_{recoil} distributions corresponding to recoil jets with R=0.2.

  • Table 14

    Data from Figure 4

    10.17182/hepdata.83540.v1/t14

    Ratio of event activity biased Delta_{recoil} distributions corresponding to recoil jets with R=0.2.

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