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Measurement of muon pair production at 50-GeV < s**(1/2) < 86-GeV at LEP

The L3 collaboration Acciarri, M. ; Adam, A. ; Adriani, O. ; et al.
Phys.Lett.B 374 (1996) 331-340, 1996.
Inspire Record 416744 DOI 10.17182/hepdata.47586

Using the data recorded with the L3 detector at LEP, we study the process e + e − → μ + μ − ( γ ) for events with hard initial-state photon radiation. The effective centre-of-mass energies of the muons range from 50 GeV to 86 GeV. The data sample corresponds to an integrated luminosity of 103.5 pb −1 and yields 293 muon-pair events with a hard photon along the beam direction. The events are used to determine the cross sections and the forward-backward charge asymmetries at centre-of-mass energies below the Z resonance.

2 data tables match query
Table 2

Forward-Backward Asymmetry from fit as function of the reduced centre-of-mass energy.

Table 3

Background corrected Forward-Backward Asymmetry as function of the reduced centre-of-mass energy.