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Measurement of the centrality and pseudorapidity dependence of the integrated elliptic flow in lead-lead collisions at $\sqrt{s_{\mathrm {NN}}}=2.76$ TeV with the ATLAS detector

The collaboration
Eur.Phys.J. C74 (2014) 2982, 2014

Abstract (data abstract)
CERN-LHC. The integrated elliptic flow of charged particles produced in Pb+Pb collisions at $\sqrt{s_{NN}} = 2.76$ TeV has been measured with the ATLAS detector using data collected at the Large Hadron Collider. The anisotropy parameter, $v_{2}$, was measured in the pseudorapidity range $|\eta| \leq 2.5$ with the event-plane method. In order to include tracks with very low transverse momentum $p_{T}$, thus reducing the uncertainty in $v_{2}$ integrated over $p_{T}$, a 1$\mu b^{-1}$ data sample recorded without a magnetic field in the tracking detectors is used. The centrality dependence of the integrated $v_{2}$ is compared to other measurements obtained with higher $p_{T}$ thresholds. The integrated $v_{2}$ transformed to the rest frame of one of the colliding nuclei is compared to the lower-energy RHIC data. For more details see the paper.

• #### Table 1

Data from Figure 2, Page 4 of preprint

10.17182/hepdata.66180.v1/t1

Monte Carlo evaluation of the tracklet reconstruction efficiency as a function of pseudorapidity for the 0-10% centraliry interval.

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Data from Figure 2, Page 4 of preprint

10.17182/hepdata.66180.v1/t2

Monte Carlo evaluation of the tracklet reconstruction efficiency as a function of pseudorapidity for the 40-50% centraliry interval.

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Data from Figure 2, Page 4 of preprint

10.17182/hepdata.66180.v1/t3

Monte Carlo evaluation of the tracklet reconstruction efficiency as a function of pseudorapidity for the 70-80% centraliry interval.

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Data from Figure 4, Page 5 of preprint

10.17182/hepdata.66180.v1/t4

The transverse momentum, $p_{T}$, dependence of the pixel track (PXT) reconstruction efficiency for three pseudorapidity ranges in 0-10% centrality interval.

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Data from Figure 4, Page 5 of preprint

10.17182/hepdata.66180.v1/t5

The transverse momentum, $p_{T}$, dependence of the pixel track (PXT) reconstruction efficiency for three pseudorapidity ranges in 40-50% centrality interval.

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Data from Figure 4, Page 5 of preprint

10.17182/hepdata.66180.v1/t6

The transverse momentum, $p_{T}$, dependence of the pixel track (PXT) reconstruction efficiency for three pseudorapidity ranges in 70-80% centrality interval.

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Data from Figure 4, Page 5 of preprint

10.17182/hepdata.66180.v1/t7

The transverse momentum, $p_{T}$, dependence of the pixel track (PXT) reconstruction fake rate for three pseudorapidity ranges in 0-10% centrality...

• #### Table 8

Data from Figure 4, Page 5 of preprint

10.17182/hepdata.66180.v1/t8

The transverse momentum, $p_{T}$, dependence of the pixel track (PXT) reconstruction fake rate for three pseudorapidity ranges in 40-50% centrality...

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Data from Figure 4, Page 5 of preprint

10.17182/hepdata.66180.v1/t9

The transverse momentum, $p_{T}$, dependence of the pixel track (PXT) reconstruction fake rate for three pseudorapidity ranges in 70-80% centrality...

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Data from Figure 5, Page 6 of preprint

10.17182/hepdata.66180.v1/t10

The transverse momentum, $p_{T}$, dependence of the inner detector track (IDT) reconstruction efficiency for three pseudorapidity ranges in 0-10% centrality...

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Data from Figure 5, Page 6 of preprint

10.17182/hepdata.66180.v1/t11

The transverse momentum, $p_{T}$, dependence of the inner detector track (IDT) reconstruction efficiency for three pseudorapidity ranges in 40-50% centrality...

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Data from Figure 5, Page 6 of preprint

10.17182/hepdata.66180.v1/t12

The transverse momentum, $p_{T}$, dependence of the inner detector track (IDT) reconstruction efficiency for three pseudorapidity ranges in 70-80% centrality...

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Data from Figure 5, Page 6 of preprint

10.17182/hepdata.66180.v1/t13

The transverse momentum, $p_{T}$, dependence of the inner detector track (IDT) reconstruction fake rate for three pseudorapidity ranges in 0-10%...

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Data from Figure 5, Page 6 of preprint

10.17182/hepdata.66180.v1/t14

The transverse momentum, $p_{T}$, dependence of the inner detector track (IDT) reconstruction fake rate for three pseudorapidity ranges in 40-50%...

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Data from Figure 5, Page 6 of preprint

10.17182/hepdata.66180.v1/t15

The transverse momentum, $p_{T}$, dependence of the inner detector track (IDT) reconstruction fake rate for three pseudorapidity ranges in 70-80%...

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Data from Figure 8, Page 9 of preprint

10.17182/hepdata.66180.v1/t16

Elliptic flow $v_{2}$ integrated over transverse momentum $p_{T}>p_{T,0}$ as a function of $p_{T,0}$ for 0-10% centrality interval, obtained with different...

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Data from Figure 8, Page 9 of preprint

10.17182/hepdata.66180.v1/t17

Elliptic flow $v_{2}$ integrated over transverse momentum $p_{T}>p_{T,0}$ as a function of $p_{T,0}$ for 10-20% centrality interval, obtained with different...

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Data from Figure 8, Page 9 of preprint

10.17182/hepdata.66180.v1/t18

Elliptic flow $v_{2}$ integrated over transverse momentum $p_{T}>p_{T,0}$ as a function of $p_{T,0}$ for 20-30% centrality interval, obtained with different...

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Data from Figure 8, Page 9 of preprint

10.17182/hepdata.66180.v1/t19

Elliptic flow $v_{2}$ integrated over transverse momentum $p_{T}>p_{T,0}$ as a function of $p_{T,0}$ for 30-40% centrality interval, obtained with different...

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Data from Figure 8, Page 9 of preprint

10.17182/hepdata.66180.v1/t20

Elliptic flow $v_{2}$ integrated over transverse momentum $p_{T}>p_{T,0}$ as a function of $p_{T,0}$ for 40-50% centrality interval, obtained with different...

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Data from Figure 8, Page 9 of preprint

10.17182/hepdata.66180.v1/t21

Elliptic flow $v_{2}$ integrated over transverse momentum $p_{T}>p_{T,0}$ as a function of $p_{T,0}$ for 50-60% centrality interval, obtained with different...

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Data from Figure 8, Page 9 of preprint

10.17182/hepdata.66180.v1/t22

Elliptic flow $v_{2}$ integrated over transverse momentum $p_{T}>p_{T,0}$ as a function of $p_{T,0}$ for 60-70% centrality interval, obtained with different...

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Data from Figure 8, Page 9 of preprint

10.17182/hepdata.66180.v1/t23

Elliptic flow $v_{2}$ integrated over transverse momentum $p_{T}>p_{T,0}$ as a function of $p_{T,0}$ for 70-80% centrality interval, obtained with different...

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Data from Figure 10, Page 11 of preprint

10.17182/hepdata.66180.v1/t24

Pseudorapidity dependence of elliptic flow, $v_{2}$, integrated over transverse momentum, $p_{T}$, for different charged particle reconstruction methods and different low-$p_{T}$...

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Data from Figure 10, Page 11 of preprint

10.17182/hepdata.66180.v1/t25

Pseudorapidity dependence of elliptic flow, $v_{2}$, integrated over transverse momentum, $p_{T}$, for different charged particle reconstruction methods and different low-$p_{T}$...

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Data from Figure 10, Page 11 of preprint

10.17182/hepdata.66180.v1/t26

Pseudorapidity dependence of elliptic flow, $v_{2}$, integrated over transverse momentum, $p_{T}$, for different charged particle reconstruction methods and different low-$p_{T}$...

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Data from Figure 10, Page 11 of preprint

10.17182/hepdata.66180.v1/t27

Pseudorapidity dependence of elliptic flow, $v_{2}$, integrated over transverse momentum, $p_{T}$, for different charged particle reconstruction methods and different low-$p_{T}$...

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Data from Figure 10, Page 11 of preprint

10.17182/hepdata.66180.v1/t28

Pseudorapidity dependence of elliptic flow, $v_{2}$, integrated over transverse momentum, $p_{T}$, for different charged particle reconstruction methods and different low-$p_{T}$...

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Data from Figure 10, Page 11 of preprint

10.17182/hepdata.66180.v1/t29

Pseudorapidity dependence of elliptic flow, $v_{2}$, integrated over transverse momentum, $p_{T}$, for different charged particle reconstruction methods and different low-$p_{T}$...

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Data from Figure 10, Page 11 of preprint

10.17182/hepdata.66180.v1/t30

Pseudorapidity dependence of elliptic flow, $v_{2}$, integrated over transverse momentum, $p_{T}$, for different charged particle reconstruction methods and different low-$p_{T}$...

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Data from Figure 10, Page 11 of preprint

10.17182/hepdata.66180.v1/t31

Pseudorapidity dependence of elliptic flow, $v_{2}$, integrated over transverse momentum, $p_{T}$, for different charged particle reconstruction methods and different low-$p_{T}$...

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Data from Figure 12, Page 12 of preprint

10.17182/hepdata.66180.v1/t32

Integrated elliptic flow, $v_{2}$, as a function of $|\eta| - y_{beam}$ for three centrality intervals Error bars indicate statistical and...

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Data from Figure 13, Page 13 of preprint

10.17182/hepdata.66180.v1/t33

The transverse momentum, $p_{T}$, dependence of the TKT track reconstruction efficiency for $\pi^{\pm}$, $K^{\pm}$ and $p^{\pm}$ in the pseudorapidity range...

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Data from Figure 13, Page 13 of preprint

10.17182/hepdata.66180.v1/t34

The transverse momentum, $p_{T}$, dependence of the TKT track reconstruction efficiency for $\pi^{\pm}$, $K^{\pm}$ and $p^{\pm}$ in the pseudorapidity range...

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Data from Figure 13, Page 13 of preprint

10.17182/hepdata.66180.v1/t35

The transverse momentum, $p_{T}$, dependence of the TKT track reconstruction efficiency for $\pi^{\pm}$, $K^{\pm}$ and $p^{\pm}$ in the pseudorapidity range...

• #### Table 36

Data from Figure 13, Page 13 of preprint

10.17182/hepdata.66180.v1/t36

The transverse momentum, $p_{T}$, dependence of the PXT track reconstruction efficiency for $\pi^{\pm}$, $K^{\pm}$ and $p^{\pm}$ in the pseudorapidity range...

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Data from Figure 13, Page 13 of preprint

10.17182/hepdata.66180.v1/t37

The transverse momentum, $p_{T}$, dependence of the PXT track reconstruction efficiency for $\pi^{\pm}$, $K^{\pm}$ and $p^{\pm}$ in the pseudorapidity range...

• #### Table 38

Data from Figure 13, Page 13 of preprint

10.17182/hepdata.66180.v1/t38

The transverse momentum, $p_{T}$, dependence of the PXT track reconstruction efficiency for $\pi^{\pm}$, $K^{\pm}$ and $p^{\pm}$ in the pseudorapidity range...

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