Wlodek, T.
E+ E- --> BQBAR BQ X
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Study of Z boson pair production in e+ e- interactions at s**(1/2) = 192-GeV - 202-GeV

The L3 collaboration Acciarri, M. ; Achard, P. ; Adriani, O. ; et al.
Phys.Lett.B 497 (2001) 23-38, 2001.
Inspire Record 534435 DOI 10.17182/hepdata.49829

The cross section for the production of Z boson pairs is measured using the data collected by the L3 detector at LEP in 1999 in e^+e^- collisions at centre-of-mass energies ranging from 192 GeV up to 202 GeV. Events in all the visible final states are selected, measuring the cross section of this process. The special case of final states containing b quarks is also investigated. All results are in agreement with the Standard Model predictions.

2 data tables
Table 1

Two methodics are used for evaluation of the cross section's values.

Table 2

The result is combination for different energies.


rivet Analysis
Measurement of the quark and gluon fragmentation functions in Z0 hadronic decays.

The DELPHI collaboration Abreu, P. ; Adam, W. ; Adye, T. ; et al.
Eur.Phys.J.C 6 (1999) 19-33, 1999.
Inspire Record 448370 DOI 10.17182/hepdata.47405

The transverse, longitudinal and asymmetric components of the fragmentation function are measured from the inclusive charged particles produced in$e^+e^-$collisi

9 data tables
Table 1

Transverse component of the differential cross section.

Table 2

Longitudinal component of the differential cross section.

Table 3

Asymmetric component of the differential cross section.

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