HEPData

Abstract (data abstract)

CERN-LHC. Rapidity distributions are presented for events containing either a Z boson or a photon with a single jet in proton-proton collisions produced at the CERN LHC. The data, collected with the CMS detector at sqrt(s) = 7 TeV, correspond to an integrated luminosity of 5.0 fb^-1. The individual rapidity distributions of the boson and the jet are consistent within 5% with expectations from perturbative QCD. However, QCD predictions for the sum and the difference in rapidities of the two final-state objects show discrepancies with CMS data. In particular, next-to-leading-order QCD calculations, and two common Monte Carlo event generators using different methods to match matrix-element partons with parton showers, appear inconsistent with the data as well as with each other.

Table 1

Data from Figure 1a

10.17182/hepdata.65267.v1/t1

Distributions of |YZ| normalized to unity. The data are shown after correcting for efficiency and resolution, and displayed with statistical...
https://www.hepdata.net/record/data/57564yaml https://www.hepdata.net/record/data/57564/csvcsv
Table 2

Data from Figure 1b

10.17182/hepdata.65267.v1/t2

Distributions of |YJet| normalized to unity. The data are shown after correcting for efficiency and resolution, and displayed with statistical...
https://www.hepdata.net/record/data/57565yaml https://www.hepdata.net/record/data/57565/csvcsv
Table 3

Data from Figure 1c

10.17182/hepdata.65267.v1/t3

Distributions of 0.5*|YZ+YJet| normalized to unity. The data are shown after correcting for efficiency and resolution, and displayed with statistical...
https://www.hepdata.net/record/data/57566yaml https://www.hepdata.net/record/data/57566/csvcsv
Table 4

Data from Figure 1d

10.17182/hepdata.65267.v1/t4

Distributions of 0.5*|YZ-YJet| normalized to unity. The data are shown after correcting for efficiency and resolution, and displayed with statistical...
https://www.hepdata.net/record/data/57567yaml https://www.hepdata.net/record/data/57567/csvcsv
Table 5

Data from Figure 2a

10.17182/hepdata.65267.v1/t5

Distributions of |YPho| normalized to unity. The data are shown after correcting for efficiency and resolution, and displayed with statistical...
https://www.hepdata.net/record/data/57568yaml https://www.hepdata.net/record/data/57568/csvcsv
Table 6

Data from Figure 2b

10.17182/hepdata.65267.v1/t6

Distributions of |YJet| normalized to unity. The data are shown after correcting for efficiency and resolution, and displayed with statistical...
https://www.hepdata.net/record/data/57569yaml https://www.hepdata.net/record/data/57569/csvcsv
Table 7

Data from Figure 2c

10.17182/hepdata.65267.v1/t7

Distributions of 0.5*|YPho+YJet| normalized to unity. The data are shown after correcting for efficiency and resolution, and displayed with statistical...
https://www.hepdata.net/record/data/57570yaml https://www.hepdata.net/record/data/57570/csvcsv
Table 8

Data from Figure 2d

10.17182/hepdata.65267.v1/t8

Distributions of 0.5*|YPho-YJet| normalized to unity. The data are shown after correcting for efficiency and resolution, and displayed with statistical...
https://www.hepdata.net/record/data/57571yaml https://www.hepdata.net/record/data/57571/csvcsv

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