Multihadron production in e+ e- collisions up to 3 gev total center-of-mass energy

Ceradini, F. ; Conversi, M. ; D' Angelo, S. ; et al.
Phys.Lett.B 47 (1973) 80-84, 1973.
Inspire Record 95215 DOI 10.17182/hepdata.28037

New results on the multihadron production by electron and positron beams colliding with a total energy of up to 3 GeV are reported. Disregarding possible kaon final states, the ratio σ mh / σ μμ of the total multihadron cross-section to the point-like cross section for process e + e − → μ + μ − has an average value of 1.58 ± 0.25 in the energy interval 2.6–3.0 GeV. The average charged multiplicity over this energy range is 〈 n c 〉 = 2.9 ± 0.3.

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