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p-p-K$^{+}$ and p-p-K$^{-}$ femtoscopy in pp collisions at $\sqrt{s}$ = 13 TeV

Description

The figures show the results of the first p-p-K$^{+}$ and p-p-K$^{-}$ femtoscopic correlation study in high-multiplicity pp collisions at $\sqrt{s}$ = 13 TeV. The analysis aims to evaluate the contributions due to the genuine three-body effects in three-body systems with kaons. Genuine three-particle correlations are isolated in both systems employing the Kubo's cumulant expansion method. The latter requires the evaluation of the lower-order correlations, in which at least one particle is uncorrelated. This is done using both the event mixing technique and the newly developed projector method. The p-p-K$^{+}$ and p-p-K$^{-}$ correlation functions as well as the lower-order contributions (p-p)-K$^+$, p-(p-K$^+$), (p-p)-K$^{-}$ and p-(p-K$^{-}$) are measured. The resulting three-particle cumulants, which are linked to the three-body effects, are finally extracted.

p-p correlation function
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
pp_Data_0.eps
p-K$^{+}$ correlation function
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
pKplus_Data.eps
p-p correlation function (Projected)
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
pp_Projected.eps
p-K$^{+}$ correlation function (Projected)
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
pKplus_Projected.eps
p-p-K$^{+}$ correlation function
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
ppKplus_CF.eps
(p-p)-K$^{+}$ correlation function
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
ppKplus_ppSameKplusMixed_Data_0.eps
(p-p)-K$^{+}$ correlation function (data-driven approach VS projector method)
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
ppKplus_ppSameKplusMixed_DataVsProjected.eps
(p-K$^{+}$)-p correlation function
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
ppKplus_pKplusSamepMixed_Data.eps
(p-K$^{+}$)-p correlation function (data-driven approach VS projector method)
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
ppKplus_pKplusSamepMixed_DataVsProjected.eps
p-p-K$^{+}$ total lower-order correlations
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
ppKplus_LowerOrderCorrelations_Data.eps
p-p-K$^{+}$ total lower-order correlations (data-driven approach VS projector method)
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
ppKplus_LowerOrderCorrelations_DataVsProjected.eps
p-p-K$^{+}$ correlation function compared to the lower-order contributions (projector method)
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
ppKplus_CFvsLowerOrderCorrelationsProjected.eps
p-p-K$^{+}$ correlation function compared to the lower-order contributions
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
ppKplus_CFvsLowerOrderCorrelationsData.eps
p-p-K$^{+}$ cumulant
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
ppKplus_CumulantData.eps
p-p-K$^{+}$ cumulant (projector method)
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
ppKplus_CumulantProjected.eps
p-p-K$^{-}$ correlation function
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
ppKminus_CF.eps
(p-p)-K$^{-}$ correlation function
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
ppKminus_ppSameKminusMixed.eps
(p-K$^{-}$)-p correlation function
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
ppKminus_pKminusSamepMixed.eps
p-p-K$^{-}$ total lower-order correlations
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
ppKminus_LowerOrderCorrelations.eps
p-p-K$^{-}$ correlation function compared to the lower-order contributions
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
ppKminus_CFvsLowerOrderCorrelations.eps
p-p-K$^{-}$ cumulant
Energy
13 TeV
System
p-p
Scope: PWG
PWG-CF (Flow and Correlations)
Figure image (.eps)
ppKminus_Cumulant.eps