Bose-Einstein correlations of charged hadrons in proton-proton collisions at $\sqrt{s} =$ 13 TeV

The CMS collaboration
JHEP 03 (2020) 014, 2020.

Abstract (data abstract)
Bose-Einstein correlations of charged hadrons are measured over a broad multiplicity range, from a few particles up to about 250 reconstructed charged hadrons in proton-proton collisions at 13 TeV. The results are based on data collected using the CMS detector at the LHC during runs with a special low-pileup configuration. Three analysis techniques with different degrees of dependence on simulations are used to remove the non-Bose-Einstein background from the correlation functions. All three methods give consistent results. The measured lengths of homogeneity are studied as functions of particle multiplicity as well as average pair transverse momentum and mass. The results are compared with data from both CMS and ATLAS at 7 TeV, as well as with theoretical predictions.

  • Figure 5a

    Data from Figure 5 (left)

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    The Rinv fit parameters as a function of particle-level multiplicities using the HCS method in pp collisions at 13 TeV.

  • Figure 5b

    Data from Figure 5 (right)

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    The Rinv fit parameters as a function of particle-level multiplicities (for p_T^trk>0.1GeV) using the HCS method in pp collisions at...

  • Figure 4c

    Data from Figure 4 (lower left)

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    The Rinv fit parameters as a function of kT using the HCS method in pp collisions at 13 TeV.

  • Figure 4d

    Data from Figure 4 (lower right)

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    The intercept parameter as a function of kT using the HCS method in pp collisions at 13 TeV.

  • Figure 7a

    Data from Figure 7 (left)

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    1/Rinv^2 as a function of mT using the HCS method in pp collisions at 13 TeV.

  • Figure 11a

    Data from Figure 11 (left)

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    The depth of the anticorrelation as function of multiplicity for kT integrated values.

  • Figure 10a

    Data from Figure 10a

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    Correlation function from the double ratio technique, integrated in the range 0 < kT < 1 GeV, for 0=<Ntrkoffline<=4. The...

  • Figure 10b

    Data from Figure 10b

    10.17182/hepdata.106132.v1/t8

    Correlation function from the double ratio technique, integrated in the range 0 < kT < 1 GeV, for 10=<Ntrkoffline<=12. The...

  • Figure 10c

    Data from Figure 10c

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    Correlation function from the double ratio technique, integrated in the range 0 < kT < 1 GeV, for 31=<Ntrkoffline<=33. The...

  • Figure 10d

    Data from Figure 10d

    10.17182/hepdata.106132.v1/t10

    Correlation function from the double ratio technique, integrated in the range 0 < kT < 1 GeV, for 80=<Ntrkoffline<=84. The...

  • Figure 10e

    Data from Figure 10e

    10.17182/hepdata.106132.v1/t11

    Correlation function from the double ratio technique, integrated in the range 0 < kT < 1 GeV, for 105=<Ntrkoffline<=109. The...

  • Figure 10f

    Data from Figure 10f

    10.17182/hepdata.106132.v1/t12

    Correlation function from the double ratio technique, integrated in the range 0 < kT < 1 GeV, for 130=<Ntrkoffline<=250. The...

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