Callot, O.
DSIG/DYRAP
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rivet Analysis
Rapid Growth of Charged Particle Multiplicity in High-Energy e+ e- Annihilations

The TASSO collaboration Brandelik, R. ; Braunschweig, W. ; Gather, K. ; et al.
Phys.Lett.B 89 (1980) 418-422, 1980.
Inspire Record 143691 DOI 10.17182/hepdata.27273

Hadron production by e + e − annihilation has been studied for c.m. energies W between 13 and 31.6 GeV. As a function of 1n W the charged particle multiplicity grows faster at high energy than at lower energies. This is correlated with a rise in the plateau of the rapidity distribution. The cross section s d σ /d x is found to scale within ±30% for x > 0.2 and 5 ⩽ W ⩽ 31.6 GeV.

7 data tables
Table 1

CHARGED PARTICLE MULTIPLICITIES.

Table 2

RAPIDITY DISTRIBUTION.

Table 3

RAPIDITY DISTRIBUTION.

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First Evidence for $\Upsilon$ Production by Pions

The Saclay-CERN-College de France-Ecole Poly-Orsay collaboration Badier, J. ; Boucrot, J. ; Burgun, G. ; et al.
Phys.Lett.B 86 (1979) 98-102, 1979.
Inspire Record 142739 DOI 10.17182/hepdata.27309

We have measured the production of massive muon pairs in hadronic collisions at the CERN Super Proton Synchrotron (SPS). A clear signal of production of the ϒ resonance by π + of 200 GeV/ c and π − of 200 and 280 GeV/ c on a platinum target is observed.

2 data tables
Table 1

No description provided.

Table 2

No description provided.