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Strange hadron collectivity in pPb and PbPb collisions

The CMS collaboration Tumasyan, Armen ; Adam, Wolfgang ; Andrejkovic, Janik Walter ; et al.

JHEP 05 (2023) 007, 2023.

https://inspirehep.net/literature/2075415 Inspire Record 2075415 DOI 10.17182/hepdata.115425 https://doi.org/10.17182/hepdata.115425

The collective behavior of K $_{S}^{0}$ and $Λ / \bar{Λ}$ strange hadrons is studied by measuring the elliptic azimuthal anisotropy ( $v_{2}$ ) using the scalar-product and multiparticle correlation methods. Proton-lead (pPb) collisions at a nucleon-nucleon center-of-mass energy $\sqrt{s_{NN}}$ = 8.16 TeV and lead-lead (PbPb) collisions at $\sqrt{s_{NN}}$ = 5.02 TeV collected by the CMS experiment at the LHC are investigated. Nonflow effects in the pPb collisions are studied by using a subevent cumulant analysis and by excluding events where a jet with transverse momentum greater than 20\GeV is present. The strange hadron $v_{2}$ values extracted in \pPb collisions via the four- and six-particle correlation method are found to be nearly identical, suggesting the collective behavior. Comparisons of the pPb and PbPb results for both strange hadrons and charged particles illustrate how event-by-event flow fluctuations depend on the system size.

55 data tables

table1

The elliptic flow $v_{2} {4}$ for charged hadron as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table2

The elliptic flow $v_{2} {6}$ for charged hadron as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table3

The elliptic flow $v_{2} {8}$ for charged hadron as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table4

The elliptic flow $v_{2} {S P}$ for charged hadron as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table5

The elliptic flow $v_{2} {4}$ for $K_{S}^{0}$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table6

The elliptic flow $v_{2} {6}$ for $K_{S}^{0}$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table7

The elliptic flow $v_{2} {8}$ for $K_{S}^{0}$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table8

The elliptic flow $v_{2} {S P}$ for $K_{S}^{0}$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table9

The elliptic flow $v_{2} {4}$ for $Λ$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table10

The elliptic flow $v_{2} {6}$ for $Λ$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table11

The elliptic flow $v_{2} {8}$ for $Λ$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table12

The elliptic flow $v_{2} {S P}$ for $Λ$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table13

The elliptic flow $v_{2} {4}$ for charged hadron as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table14

The elliptic flow $v_{2} {6}$ for charged hadron as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table15

The elliptic flow $v_{2} {8}$ for charged hadron as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table16

The elliptic flow $v_{2} {p - S P}$ for charged hadron as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table17

The elliptic flow $v_{2} {P b - S P}$ for charged hadron as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table18

The elliptic flow $v_{2} {4}$ for $K_{S}^{0}$ as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table19

The elliptic flow $v_{2} {6}$ for $K_{S}^{0}$ as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table20

The elliptic flow $v_{2} {p - S P}$ for $K_{S}^{0}$ as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table21

The elliptic flow $v_{2} {P b - S P}$ for $K_{S}^{0}$ as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table22

The elliptic flow $v_{2} {4}$ for $Λ$ as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table23

The elliptic flow $v_{2} {6}$ for $Λ$ as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table24

The elliptic flow $v_{2} {p - S P}$ for $Λ$ as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table25

The elliptic flow $v_{2} {P b - S P}$ for $Λ$ as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table26

The elliptic flow $v_{2} {4, v e t o}$ for charged hadron as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table27

The elliptic flow $v_{2} {6, v e t o}$ for charged hadron as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table28

The ratio $v_{2} {4, v e t o} / v_{2} {4}$ for charged hadron as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table29

The ratio $v_{2} {6, v e t o} / v_{2} {6}$ for charged hadron as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table30

The elliptic flow $v_{2} {4, S u b}$ for charged hadron as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table31

The elliptic flow $v_{2} {4, S u b}$ for $K_{S}^{0}$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table32

The elliptic flow $v_{2} {4, S u b}$ for $Λ$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table33

The elliptic flow $v_{2} {4, S u b}$ for $K_{S}^{0}$ as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table34

The elliptic flow $v_{2} {4, S u b}$ for $Λ$ as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table35

The elliptic flow $v_{2} {4, S u b}$ for charged hadron as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table36

The ratio $v_{2} {4, S u b} / v_{2} {4}$ for charged hadron as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table37

The ratio $v_{2} {4, S u b} / v_{2} {4}$ for $K_{S}^{0}$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table38

The ratio $v_{2} {4, S u b} / v_{2} {4}$ for $Λ$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table39

The ratio $v_{2} {4, S u b} / v_{2} {4}$ for charged hadron as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table40

The ratio $v_{2} {4, S u b} / v_{2} {4}$ for $K_{S}^{0}$ as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table41

The ratio $v_{2} {4, S u b} / v_{2} {4}$ for $Λ$ as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table42

The flow fluctuation $σ / ⟨ v_{2} ⟩$ for charged hadron as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table43

The flow fluctuation $σ / ⟨ v_{2} ⟩$ for $K_{S}^{0}$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table44

The flow fluctuation $σ / ⟨ v_{2} ⟩$ for $Λ$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table45

The flow fluctuation $σ / ⟨ v_{2} ⟩$ for $K_{S}^{0}$ as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table46

The flow fluctuation $σ / ⟨ v_{2} ⟩$ for $Λ$ as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table47

The flow fluctuation $σ / ⟨ v_{2} ⟩$ using $v_{2} {4}$ for charged hadron as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table48

The flow fluctuation $σ / ⟨ v_{2} ⟩$ using $v_{2} {6}$ for charged hadron as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table49

The flow fluctuation $σ / ⟨ v_{2} ⟩$ using $v_{2} {4, v e t o}$ for charged hadron as a function of $p_{T}$ in pPb collision at 8.16 TeV.

table50

The $v_{2} {6} / v_{2} {4}$ ratio for charged hadron as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table51

The $v_{2} {6} / v_{2} {4}$ ratio for $K_{S}^{0}$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table52

The $v_{2} {6} / v_{2} {4}$ ratio for $Λ$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table53

The $v_{2} {8} / v_{2} {4}$ ratio for charged hadron as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table54

The $v_{2} {8} / v_{2} {4}$ ratio for $K_{S}^{0}$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

table55

The $v_{2} {8} / v_{2} {4}$ ratio for $Λ$ as a function of $p_{T}$ in PbPb collision at 5.02 TeV.

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