Measurement of charged-particle spectra in Pb+Pb collisions at $\sqrt{{s}_\mathsf{{NN}}} = 2.76$ TeV with the ATLAS detector at the LHC

The ATLAS collaboration
JHEP 09 (2015) 050, 2015.

Abstract (data abstract)
CERN-LHC. Charged-particle spectra obtained in 0.15 nb${}^{-1}$ of Pb+Pb interactions at $\sqrt{{s}_\mathsf{{NN}}}=2.76$TeV and 4.2 pb${}^{-1}$ of pp interactions at $\sqrt{s}=2.76$ TeV with the ATLAS detector at the LHC are presented in a wide transverse momentum ($0.5 < p_{\mathrm{T}} < 150$ GeV) and pseudorapidity ($|\eta|<2$) range. For Pb+Pb collisions, the spectra are presented as a function of collision centrality, which is determined by the response of the forward calorimeter located on both sides of the interaction point. The nuclear modification factors $R_{\mathrm{AA}}$ and $R_{\mathrm{CP}}$ are presented in detail as function of centrality, $p_{\mathrm{T}}$ and $\eta$. They show a distinct $p_{\mathrm{T}}$-dependence with a pronounced minimum at about 7 GeV. Above 60 GeV, $R_{\mathrm{AA}}$ is consistent with a plateau at a centrality-dependent value, within the uncertainties. The value is $0.55\pm0.01(stat.)\pm0.04(syst.)$ in the most central collisions. The $R_{\mathrm{AA}}$ distribution is consistent with flat $|\eta|$ dependence over the whole transverse momentum range in all centrality classes.

  • Table 1

    Data from F10

    10.17182/hepdata.67531.v1/t1

    Charged-particle spectra for pp.

  • Table 2

    Data from F10

    10.17182/hepdata.67531.v1/t2

    Charged-particle spectra in different centrality intervals for Pb+Pb.

  • Table 3

    Data from F10

    10.17182/hepdata.67531.v1/t3

    Charged-particle spectra in different centrality intervals for Pb+Pb.

  • Table 4

    Data from F10

    10.17182/hepdata.67531.v1/t4

    Charged-particle spectra in different centrality intervals for Pb+Pb.

  • Table 5

    Data from F10

    10.17182/hepdata.67531.v1/t5

    Charged-particle spectra in different centrality intervals for Pb+Pb.

  • Table 6

    Data from F10

    10.17182/hepdata.67531.v1/t6

    Charged-particle spectra in different centrality intervals for Pb+Pb.

  • Table 7

    Data from F11

    10.17182/hepdata.67531.v1/t7

    Charged-particle spectra in different eta intervals for pp.

  • Table 8

    Data from F11

    10.17182/hepdata.67531.v1/t8

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 9

    Data from F11

    10.17182/hepdata.67531.v1/t9

    Charged-particle spectra in different eta intervals for pp.

  • Table 10

    Data from F11

    10.17182/hepdata.67531.v1/t10

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 11

    Data from F11

    10.17182/hepdata.67531.v1/t11

    Charged-particle spectra in different eta intervals for pp.

  • Table 12

    Data from F11

    10.17182/hepdata.67531.v1/t12

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 13

    Data from F11

    10.17182/hepdata.67531.v1/t13

    Charged-particle spectra in different eta intervals for pp.

  • Table 14

    Data from F11

    10.17182/hepdata.67531.v1/t14

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 15

    Data from F11

    10.17182/hepdata.67531.v1/t15

    Charged-particle spectra in different eta intervals for pp.

  • Table 16

    Data from F11

    10.17182/hepdata.67531.v1/t16

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 17

    Data from F11

    10.17182/hepdata.67531.v1/t17

    Charged-particle spectra in different eta intervals for pp.

  • Table 18

    Data from F11

    10.17182/hepdata.67531.v1/t18

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 19

    Data from F11

    10.17182/hepdata.67531.v1/t19

    Charged-particle spectra in different eta intervals for pp.

  • Table 20

    Data from F11

    10.17182/hepdata.67531.v1/t20

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 21

    Data from F11

    10.17182/hepdata.67531.v1/t21

    Charged-particle spectra in different eta intervals for pp.

  • Table 22

    Data from F11

    10.17182/hepdata.67531.v1/t22

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 23

    Data from F12

    10.17182/hepdata.67531.v1/t23

    Rcp in different centrality intervals.

  • Table 24

    Data from F12

    10.17182/hepdata.67531.v1/t24

    Rcp in different centrality intervals.

  • Table 25

    Data from F12

    10.17182/hepdata.67531.v1/t25

    Rcp in different centrality intervals.

  • Table 26

    Data from F12

    10.17182/hepdata.67531.v1/t26

    Rcp in different centrality intervals.

  • Table 27

    Data from F13

    10.17182/hepdata.67531.v1/t27

    Raa in different centrality intervals.

  • Table 28

    Data from F13

    10.17182/hepdata.67531.v1/t28

    Raa in different centrality intervals.

  • Table 29

    Data from F13

    10.17182/hepdata.67531.v1/t29

    Raa in different centrality intervals.

  • Table 30

    Data from F13

    10.17182/hepdata.67531.v1/t30

    Raa in different centrality intervals.

  • Table 31

    Data from F13

    10.17182/hepdata.67531.v1/t31

    Raa in different centrality intervals.

  • Table 32

    Data from F14

    10.17182/hepdata.67531.v1/t32

    Raa in different eta intervals.

  • Table 33

    Data from F14

    10.17182/hepdata.67531.v1/t33

    Raa in different eta intervals.

  • Table 34

    Data from F14

    10.17182/hepdata.67531.v1/t34

    Raa in different eta intervals.

  • Table 35

    Data from F14

    10.17182/hepdata.67531.v1/t35

    Raa in different eta intervals.

  • Table 36

    Data from F14

    10.17182/hepdata.67531.v1/t36

    Raa in different eta intervals.

  • Table 37

    Data from F14

    10.17182/hepdata.67531.v1/t37

    Raa in different eta intervals.

  • Table 38

    Data from F14

    10.17182/hepdata.67531.v1/t38

    Raa in different eta intervals.

  • Table 39

    Data from F14

    10.17182/hepdata.67531.v1/t39

    Raa in different eta intervals.

  • Table 40

    Data from F15

    10.17182/hepdata.67531.v1/t40

    Raa.

  • Table 41

    Data from F16

    10.17182/hepdata.67531.v1/t41

    Raa as a function of .

  • Table 42

    Data from F16

    10.17182/hepdata.67531.v1/t42

    Raa as a function of .

  • Table 43

    Data from F16

    10.17182/hepdata.67531.v1/t43

    Raa as a function of .

  • Table 44

    Data from F16

    10.17182/hepdata.67531.v1/t44

    Raa as a function of .

  • Table 45

    Data from F17

    10.17182/hepdata.67531.v1/t45

    Charged-particle spectra in different eta intervals for pp.

  • Table 46

    Data from F17

    10.17182/hepdata.67531.v1/t46

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 47

    Data from F17

    10.17182/hepdata.67531.v1/t47

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 48

    Data from F17

    10.17182/hepdata.67531.v1/t48

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 49

    Data from F17

    10.17182/hepdata.67531.v1/t49

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 50

    Data from F17

    10.17182/hepdata.67531.v1/t50

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 51

    Data from F17

    10.17182/hepdata.67531.v1/t51

    Charged-particle spectra in different eta intervals for pp.

  • Table 52

    Data from F17

    10.17182/hepdata.67531.v1/t52

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 53

    Data from F17

    10.17182/hepdata.67531.v1/t53

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 54

    Data from F17

    10.17182/hepdata.67531.v1/t54

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 55

    Data from F17

    10.17182/hepdata.67531.v1/t55

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 56

    Data from F17

    10.17182/hepdata.67531.v1/t56

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 57

    Data from F17

    10.17182/hepdata.67531.v1/t57

    Charged-particle spectra in different eta intervals for pp.

  • Table 58

    Data from F17

    10.17182/hepdata.67531.v1/t58

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 59

    Data from F17

    10.17182/hepdata.67531.v1/t59

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 60

    Data from F17

    10.17182/hepdata.67531.v1/t60

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 61

    Data from F17

    10.17182/hepdata.67531.v1/t61

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 62

    Data from F17

    10.17182/hepdata.67531.v1/t62

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 63

    Data from F17

    10.17182/hepdata.67531.v1/t63

    Charged-particle spectra in different eta intervals for pp.

  • Table 64

    Data from F17

    10.17182/hepdata.67531.v1/t64

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 65

    Data from F17

    10.17182/hepdata.67531.v1/t65

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 66

    Data from F17

    10.17182/hepdata.67531.v1/t66

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 67

    Data from F17

    10.17182/hepdata.67531.v1/t67

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 68

    Data from F17

    10.17182/hepdata.67531.v1/t68

    Charged-particle spectra in different eta intervals for Pb+Pb.

  • Table 69

    Data from F18

    10.17182/hepdata.67531.v1/t69

    Raa in different eta intervals.

  • Table 70

    Data from F18

    10.17182/hepdata.67531.v1/t70

    Raa in different eta intervals.

  • Table 71

    Data from F18

    10.17182/hepdata.67531.v1/t71

    Raa in different eta intervals.

  • Table 72

    Data from F18

    10.17182/hepdata.67531.v1/t72

    Raa in different eta intervals.

  • Table 73

    Data from F18

    10.17182/hepdata.67531.v1/t73

    Raa in different eta intervals.

  • Table 74

    Data from F18

    10.17182/hepdata.67531.v1/t74

    Raa in different eta intervals.

  • Table 75

    Data from F18

    10.17182/hepdata.67531.v1/t75

    Raa in different eta intervals.

  • Table 76

    Data from F18

    10.17182/hepdata.67531.v1/t76

    Raa in different eta intervals.

  • Table 77

    Data from F18

    10.17182/hepdata.67531.v1/t77

    Raa in different eta intervals.

  • Table 78

    Data from F18

    10.17182/hepdata.67531.v1/t78

    Raa in different eta intervals.

  • Table 79

    Data from F18

    10.17182/hepdata.67531.v1/t79

    Raa in different eta intervals.

  • Table 80

    Data from F18

    10.17182/hepdata.67531.v1/t80

    Raa in different eta intervals.

  • Table 81

    Data from F18

    10.17182/hepdata.67531.v1/t81

    Raa in different eta intervals.

  • Table 82

    Data from F18

    10.17182/hepdata.67531.v1/t82

    Raa in different eta intervals.

  • Table 83

    Data from F18

    10.17182/hepdata.67531.v1/t83

    Raa in different eta intervals.

  • Table 84

    Data from F18

    10.17182/hepdata.67531.v1/t84

    Raa in different eta intervals.

  • Table 85

    Data from F18

    10.17182/hepdata.67531.v1/t85

    Raa in different eta intervals.

  • Table 86

    Data from F18

    10.17182/hepdata.67531.v1/t86

    Raa in different eta intervals.

  • Table 87

    Data from F18

    10.17182/hepdata.67531.v1/t87

    Raa in different eta intervals.

  • Table 88

    Data from F18

    10.17182/hepdata.67531.v1/t88

    Raa in different eta intervals.

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