Abeysekara, U.
E+ E- --> HADRONS
[1.0, 2.0]
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rivet Analysis
Total Cross-section for Hadron Production by Electron - Positron Annihilation at Adone

Ambrosio, M. ; Paternoster, G. ; Tortora, L. ; et al.
Phys.Lett.B 91 (1980) 155-160, 1980.
Inspire Record 152630 DOI 10.17182/hepdata.27239

The total cross section for electron-positron annihilation into three or more hadrons has been measured for centre of mass energies between 1.4 and 2.0 GeV. The data were obtained at ADONE by the BB̄ experiment.

1 data table
Table 1

NOTE THAT THIS MEASUREMENT OF R EXCLUDES TWO-BODY FINAL STATE EVENTS. RADIATIVE CORRECTIONS WERE APPLIED.


Evidence for a Resonant Structure of the Hadron Production from e+ e- Annihilations in the 1700-MeV-1950-MeV Center-Of-Mass Energy Region

Ambrosio, M. ; Barbarino, G. ; Barbiellini, G. ; et al.
Phys.Lett.B 68 (1977) 397-401, 1977.
Inspire Record 119882 DOI 10.17182/hepdata.27553

We present experimental evidence for a resonant behaviour of the hadron production from e + e − annihilations at the e + e − storage ring ADONE. A Breit-Wigner fit to the enhancement present between 1800 and 1850 MeV gives the following parameters M = 1812 −13 +7 MeV, Γ = 34 −15 +21 MeV.

1 data table
Table 1

MULTIHADRON EVENTS (AT LEAST THREE CHARGED TRACKS) PER UNIT LUMINOSITY.