Abstract

The production of a Z boson, decaying to two charged leptons, in association with jets in proton-proton collisions at a centre-of-mass energy of 13 TeV is measured. Data recorded with the CMS detector at the LHC are used that correspond to an integrated luminosity of 2.19 fb$^{-1}$. The cross section is measured as a function of the jet multiplicity and its dependence on the transverse momentum of the Z boson, the jet kinematic variables (transverse momentum and rapidity), the scalar sum of the jet momenta, which quantifies the hadronic activity, and the balance in transverse momentum between the reconstructed jet recoil and the Z boson. The measurements are compared with predictions from four different calculations. The first two merge matrix elements with different parton multiplicities in the final state and parton showering, one of which includes one-loop corrections. The third is a fixed-order calculation with next-to-next-to-leading order accuracy for the process with a Z boson and one parton in the final state. The fourth combines the fully differential next-to-next-to-leading order calculation with next-to-next-to-leading logarithm resummation and parton showering.

Table 1a

Fig. 4 and Table 3 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t1

Measured cross section for Z+jets as a function of the exclusive jet multiplicity, $N_{\text{jets}}$, and breakdown of the relative uncertainty.
Table 1b

Fig. 4 and Table 3 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t2

Bin-to-bin correlation in the measured cross section for Z+jets as a function of the exclusive jet multiplicity, $N_{\text{jets}}$.
Table 2a

Fig. 4 and Table 4 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t3

Measured cross section for Z+jets as a function of inclusive jet multiplicity, $N_{\text{jets}}^{\text{min}}$, and breakdown of the relative uncertainty.
Table 2b

Fig. 4 and Table 4 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t4

Bin-to-bin correlation in the measured cross section for Z+jets as a function of inclusive jet multiplicity, $N_{\text{jets}}^{\text{min}}$.
Table 3a

Fig. 5 and Table 5 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t5

Measured cross section for Z+jets as a function of the transverse momementum of the Z boson, $p_{\text{T}}(\text{Z})$, for events with...
Table 3b

Fig. 5 and Table 5 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t6

Bin-to-bin correlation in the measured cross section for Z+jets as a function of the transverse momementum of the Z boson,...
Table 4a

Fig. 6 and Table 6 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t7

Measured cross section for Z+jets as a function of the transverse momenum of the first jet, $p_{\text{T}}(\text{j}_1)$, and breakdown of...
Table 4b

Fig. 6 and Table 6 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t8

Bin-to-bin correlation in the measured cross section for Z+jets as a function of the transverse momenum of the first jet,...
Table 5a

Fig. 7 and Table 7 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t9

Measured cross section for Z+jets as a function of the transverse momenum of the second jet, $p_{\text{T}}(\text{j}_2)$, and breakdown of...
Table 5b

Fig. 7 and Table 7 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t10

Bin-to-bin correlation in the measured cross section for Z+jets as a function of the transverse momenum of the second jet,...
Table 6a

Fig. 7 and Table 8 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t11

Measured cross section for Z+jets as a function of the transverse momenum of the third jet, $p_{\text{T}}(\text{j}_3)$, and breakdown of...
Table 6b

Fig. 7 and Table 8 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t12

Bin-to-bin correlation in the measured cross section for Z+jets as a function of the transverse momenum of the third jet,...
Table 7a

Fig. 8 and Table 9 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t13

Measured cross section for Z+jets as a function of the absolute rapidity of the first jet, $|y(\text{j}_1)|$, and breakdown of...
Table 7b

Fig. 8 and Table 9 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t14

Bin-to-bin correlation in the measured cross section for Z+jets as a function of the absolute rapidity of the first jet,...
Table 8a

Fig. 8 and Table 10 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t15

Measured cross section for Z+jets as a function of the absolute rapidity of the second jet, $|y(\text{j}_2)|$, and breakdown of...
Table 8b

Fig. 8 and Table 10 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t16

Bin-to-bin correlation in the measured cross section for Z+jets as a function of the absolute rapidity of the second jet,...
Table 9a

Fig. 9 and Table 11 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t17

Measured cross section for Z+jets as a function of the absolute rapidity of the third jet, $|y(\text{j}_3)|$, and breakdown of...
Table 9b

Fig. 9 and Table 11 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t18

Bin-to-bin correlation in the measured cross section for Z+jets as a function of the absolute rapidity of the third jet,...
Table 10a

Fig. 10 and Table 12 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t19

Measured cross section for Z+jets as a function of the $H_{\text{T}}$ observable for event with at least one jet and...
Table 10b

Fig. 10 and Table 12 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t20

Bin-to-bin correlation in the measured cross section for Z+jets as a function of the $H_{\text{T}}$ observable for event with at...
Table 11a

Fig. 11 and Table 13 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t21

Measured cross section for Z+jets as a function of the $H_{\text{T}}$ observable for event with at least two jets and...
Table 11b

Fig. 11 and Table 13 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t22

Bin-to-bin correlation in the measured cross section for Z+jets as a function of the $H_{\text{T}}$ observable for event with at...
Table 12a

Fig. 11 and Table 14 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t23

Measured cross section for Z+jets as a function of the $H_{\text{T}}$ observable for event with at least three jets and...
Table 12b

Fig. 11 and Table 14 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t24

Bin-to-bin correlation in the measured cross section for Z+jets as a function of the $H_{\text{T}}$ observable for event with at...
Table 13a

Fig. 12 and Table 15 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t25

Measured cross section for Z+jets as a function of the transverse momentum balance between the Z boson and the accompanying...
Table 13b

Fig. 12 and Table 15 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t26

Bin-to-bin correlation in the measured cross section for Z+jets as a function of the transverse momentum balance between the Z...
Table 14a

Fig. 12 and Table 16 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t27

Measured cross section for Z+jets as a function of the transverse momentum balance between the Z boson and the accompanying...
Table 14b

Fig. 12 and Table 16 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t28

Bin-to-bin correlation in the measured cross section for Z+jets as a function of the transverse momentum balance between the Z...
Table 15a

Fig. 13 and Table 17 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t29

Measured cross section for Z+jets as a function of the transverse momentum balance between the Z boson and the accompanying...
Table 15b

Fig. 13 and Table 17 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t30

Bin-to-bin correlation in the measured cross section for Z+jets as a function of the transverse momentum balance between the Z...
Table 16a

Fig. 14 and Table 18 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t31

Measured cross section for Z+jets as a function of the JZB variable with no restriction on $p_{\text{T}}(\text{Z})$ and breakdown of...
Table 16b

Fig. 14 and Table 18 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t32

Bin-to-bin correlation in the measured cross section for Z+jets as a function of the JZB variable with no restriction on...
Table 17a

Fig. 15 and Table 19 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t33

Measured cross section for Z+jets as a function of the JZB variable for $p_{\text{T}}(\text{Z})\leq50\,$GeV) and breakdown of the relative uncertainty.
Table 17b

Fig. 15 and Table 19 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t34

Bin-to-bin correlation in the measured cross section for Z+jets as a function of the JZB variable for $p_{\text{T}}(\text{Z})\leq50\,$GeV).
Table 18a

Fig. 15 and Table 20 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t35

Measured cross section for Z+jets as a function of the JZB variable for $p_{\text{T}}(\text{Z})>50\,$GeV and breakdown of the relative uncertainty.
Table 18b

Fig. 15 and Table 20 of https://doi.org/10.1140/epjc/s10052-018-6373-0

10.17182/hepdata.91404.v1/t36

Bin-to-bin correlation in the measured cross section for Z+jets as a function of the JZB variable for $p_{\text{T}}(\text{Z})>50\,$GeV.

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