Charged particle multiplicity in e+ e-interactions at s**(1/2) = 130-GeV

Abreu, P.;Cortina Gil, Eduardo;DELPHI Collaboration;et.al.
(1996) Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics — Vol. 372, n° 1-2, p. 172-180 (1996)

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From the data collected by DELPHI at LEP in autumn 1995, the multiplicity of charged particles at a hadronic energy of 130 GeV has been measured to be 〈nch〉 = 23.84 ± 0.51 (stat) ± 0.52 (syst). When compared to lower energy data, the value measured is consistent with the evolution predicted by QCD with corrections at next-to-leading order, for a value αs(130 GeV) = 0.105 ± 0.003 (stat) ± 0.008 (syst).
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Abreu, P., Cortina Gil, E., DELPHI Collaboration, & et al. (1996). Charged particle multiplicity in e+ e-interactions at s**(1/2) = 130-GeV. Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, 372(1-2), 172-180. https://doi.org/10.1016/0370-2693(96)00134-7 (Original work published 1996)