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Measurement of top quark pair differential cross-sections in the dilepton channel in $pp$ collisions at $\sqrt{s}$ = 7 and 8 TeV with ATLAS

The collaboration
Phys.Rev. D94 (2016) 092003, 2016

Abstract (data abstract)
CERN-LHC. Measurements of normalized differential cross-sections of top quark pair ($t\bar t$) production are presented as a function of the mass, the transverse momentum and the rapidity of the $t\bar t$ system in proton-proton collisions at center-of-mass energies of $\sqrt{s}$ = 7 TeV and 8 TeV. The dataset corresponds to an integrated luminosity of 4.6 fb$^{-1}$ at 7 TeV and 20.2 fb$^{-1}$ at 8 TeV, recorded with the ATLAS detector at the Large Hadron Collider. Events with top quark pair signatures are selected in the dilepton final state, requiring exactly two charged leptons and at least two jets with at least one of the jets identified as likely to contain a $b$-hadron. The measured distributions are corrected for detector effects and selection efficiency to cross-sections at the parton level. The differential cross-sections are compared with different Monte Carlo generators and theoretical calculations of $t\bar t$ production. The results are consistent with the majority of predictions in a wide kinematic range.

• #### Table 1

Data from Table 4

10.17182/hepdata.75323.v1/t1

Parton-level normalized $t\bar t$ differential cross-sections for $t\bar t$ system mass $m_{t\bar t}$ at $\sqrt{s}$ = 7 TeV. The cross-sections...

• #### Table 2

Data from Table 4

10.17182/hepdata.75323.v1/t2

Parton-level normalized $t\bar t$ differential cross-sections for the $t\bar t$ system transverse momentum $p_{T, t\bar t}$ at $\sqrt{s}$ = 7...

• #### Table 3

Data from Table 4

10.17182/hepdata.75323.v1/t3

Parton-level normalized $t\bar t$ differential cross-sections for the $t\bar t$ system absolute rapidity $|y_{t\bar t}|$ at $\sqrt{s}$ = 7 TeV....

• #### Table 4

Data from Table 5

10.17182/hepdata.75323.v1/t4

Parton-level normalized $t\bar t$ differential cross-sections for $t\bar t$ system mass $m_{t\bar t}$ at $\sqrt{s}$ = 8 TeV. The uncertainties...

• #### Table 5

Data from Table 5

10.17182/hepdata.75323.v1/t5

Parton-level normalized $t\bar t$ differential cross-sections for the $t\bar t$ system transverse momentum $p_{T, t\bar t}$ at $\sqrt{s}$ = 8...

• #### Table 6

Data from Table 5

10.17182/hepdata.75323.v1/t6

Parton-level normalized $t\bar t$ differential cross-sections for the $t\bar t$ system absolute rapidity $|y_{t\bar t}|$ at $\sqrt{s}$ = 8 TeV....

• #### Table 7

Data from Table 7 in Auxiliary Material

10.17182/hepdata.75323.v1/t7

Parton-level absolute $t\bar t$ differential cross-sections for $t\bar t$ system mass $m_{t\bar t}$ at $\sqrt{s}$ = 7 TeV. The cross-sections...

• #### Table 8

Data from Table 7 in Auxiliary Material

10.17182/hepdata.75323.v1/t8

Parton-level absolute $t\bar t$ differential cross-sections for the $t\bar t$ system transverse momentum $p_{T, t\bar t}$ at $\sqrt{s}$ = 7...

• #### Table 9

Data from Table 7 in Auxiliary Material

10.17182/hepdata.75323.v1/t9

Parton-level absolute $t\bar t$ differential cross-sections for the $t\bar t$ system absolute rapidity $|y_{t\bar t}|$ at $\sqrt{s}$ = 7 TeV....

• #### Table 10

Data from Table 8 in Auxiliary Material

10.17182/hepdata.75323.v1/t10

Parton-level absolute $t\bar t$ differential cross-sections for $t\bar t$ system mass $m_{t\bar t}$ at $\sqrt{s}$ = 8 TeV. The uncertainties...

• #### Table 11

Data from Table 8 in Auxiliary Material

10.17182/hepdata.75323.v1/t11

Parton-level absolute $t\bar t$ differential cross-sections for the $t\bar t$ system transverse momentum $p_{T, t\bar t}$ at $\sqrt{s}$ = 8...

• #### Table 12

Data from Table 8 in Auxiliary Material

10.17182/hepdata.75323.v1/t12

Parton-level absolute $t\bar t$ differential cross-sections for the $t\bar t$ system absolute rapidity $|y_{t\bar t}|$ at $\sqrt{s}$ = 8 TeV....

• #### Table 13

Data from Table 9 in Auxiliary Material

10.17182/hepdata.75323.v1/t13

Full covariance matrix of the normalized $t\bar t$ differential cross-sections for $t\bar t$ system mass $m_{t\bar t}$ at $\sqrt{s}$ =...

• #### Table 14

Data from Table 9 in Auxiliary Material

10.17182/hepdata.75323.v1/t14

Full covariance matrix of the normalized $t\bar t$ differential cross-sections for $t\bar t$ system transverse momentum $p_{T, t\bar t}$ at...

• #### Table 15

Data from Table 9 in Auxiliary Material

10.17182/hepdata.75323.v1/t15

Full covariance matrix of the normalized $t\bar t$ differential cross-sections for $t\bar t$ system absolute rapidity $|y_{t\bar t}|$ at $\sqrt{s}$...

• #### Table 16

Data from Table 10 in Auxiliary Material

10.17182/hepdata.75323.v1/t16

Full covariance matrix of the normalized $t\bar t$ differential cross-sections for $t\bar t$ system mass $m_{t\bar t}$ at $\sqrt{s}$ =...

• #### Table 17

Data from Table 10 in Auxiliary Material

10.17182/hepdata.75323.v1/t17

Full covariance matrix of the normalized $t\bar t$ differential cross-sections for $t\bar t$ system transverse momentum $p_{T, t\bar t}$ at...

• #### Table 18

Data from Table 10 in Auxiliary Material

10.17182/hepdata.75323.v1/t18

Full covariance matrix of the normalized $t\bar t$ differential cross-sections for $t\bar t$ system absolute rapidity $|y_{t\bar t}|$ at $\sqrt{s}$...

• #### Table 19

Data from Table 11 in Auxiliary Material

10.17182/hepdata.75323.v1/t19

Full covariance matrix of the absolute $t\bar t$ differential cross-sections for $t\bar t$ system mass $m_{t\bar t}$ at $\sqrt{s}$ =...

• #### Table 20

Data from Table 11 in Auxiliary Material

10.17182/hepdata.75323.v1/t20

Full covariance matrix of the absolute $t\bar t$ differential cross-sections for $t\bar t$ system transverse momentum $p_{T, t\bar t}$ at...

• #### Table 21

Data from Table 11 in Auxiliary Material

10.17182/hepdata.75323.v1/t21

Full covariance matrix of the normalized $t\bar t$ differential cross-sections for $t\bar t$ system absolute rapidity $|y_{t\bar t}|$ at $\sqrt{s}$...

• #### Table 22

Data from Table 12 in Auxiliary Material

10.17182/hepdata.75323.v1/t22

Full covariance matrix of the absolute $t\bar t$ differential cross-sections for $t\bar t$ system mass $m_{t\bar t}$ at $\sqrt{s}$ =...

• #### Table 23

Data from Table 12 in Auxiliary Material

10.17182/hepdata.75323.v1/t23

Full covariance matrix of the absolute $t\bar t$ differential cross-sections for $t\bar t$ system transverse momentum $p_{T, t\bar t}$ at...

• #### Table 24

Data from Table 12 in Auxiliary Material

10.17182/hepdata.75323.v1/t24

Full covariance matrix of the normalized $t\bar t$ differential cross-sections for $t\bar t$ system absolute rapidity $|y_{t\bar t}|$ at $\sqrt{s}$...

• #### Table 25

Data from Table 13 in Auxiliary Material

10.17182/hepdata.75323.v1/t25

Statistical bin-to-bin correlations in the normalized $t\bar t$ differential cross-sections for $t\bar t$ system mass $m_{t\bar t}$ at $\sqrt{s}$ =...

• #### Table 26

Data from Table 13 in Auxiliary Material

10.17182/hepdata.75323.v1/t26

Statistical bin-to-bin correlations in the normalized $t\bar t$ differential cross-sections for $t\bar t$ system transverse momentum $p_{T, t\bar t}$ at...

• #### Table 27

Data from Table 13 in Auxiliary Material

10.17182/hepdata.75323.v1/t27

Statistical bin-to-bin correlations in the normalized $t\bar t$ differential cross-sections for $t\bar t$ system absolute rapidity $|y_{t\bar t}|$ at $\sqrt{s}$...

• #### Table 28

Data from Table 14 in Auxiliary Material

10.17182/hepdata.75323.v1/t28

Statistical bin-to-bin correlations in the normalized $t\bar t$ differential cross-sections for $t\bar t$ system mass $m_{t\bar t}$ at $\sqrt{s}$ =...

• #### Table 29

Data from Table 14 in Auxiliary Material

10.17182/hepdata.75323.v1/t29

Statistical bin-to-bin correlations in the normalized $t\bar t$ differential cross-sections for $t\bar t$ system transverse momentum $p_{T, t\bar t}$ at...

• #### Table 30

Data from Table 14 in Auxiliary Material

10.17182/hepdata.75323.v1/t30

Statistical bin-to-bin correlations in the normalized $t\bar t$ differential cross-sections for $t\bar t$ system absolute rapidity $|y_{t\bar t}|$ at $\sqrt{s}$...

• #### Table 31

Data from Table 15 in Auxiliary Material

10.17182/hepdata.75323.v1/t31

Statistical bin-to-bin correlations in the absolute $t\bar t$ differential cross-sections for $t\bar t$ system mass $m_{t\bar t}$ at $\sqrt{s}$ =...

• #### Table 32

Data from Table 15 in Auxiliary Material

10.17182/hepdata.75323.v1/t32

Statistical bin-to-bin correlations in the absolute $t\bar t$ differential cross-sections for $t\bar t$ system transverse momentum $p_{T, t\bar t}$ at...

• #### Table 33

Data from Table 15 in Auxiliary Material

10.17182/hepdata.75323.v1/t33

Statistical bin-to-bin correlations in the absolute $t\bar t$ differential cross-sections for $t\bar t$ system absolute rapidity $|y_{t\bar t}|$ at $\sqrt{s}$...

• #### Table 34

Data from Table 16 in Auxiliary Material

10.17182/hepdata.75323.v1/t34

Statistical bin-to-bin correlations in the absolute $t\bar t$ differential cross-sections for $t\bar t$ system mass $m_{t\bar t}$ at $\sqrt{s}$ =...

• #### Table 35

Data from Table 16 in Auxiliary Material

10.17182/hepdata.75323.v1/t35

Statistical bin-to-bin correlations in the absolute $t\bar t$ differential cross-sections for $t\bar t$ system transverse momentum $p_{T, t\bar t}$ at...

• #### Table 36

Data from Table 16 in Auxiliary Material

10.17182/hepdata.75323.v1/t36

Statistical bin-to-bin correlations in the absolute $t\bar t$ differential cross-sections for $t\bar t$ system absolute rapidity $|y_{t\bar t}|$ at $\sqrt{s}$...

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