STRANGE PARTICLE PRODUCTION IN ANTI-P P ANNIHILATIONS AT 8.8-GEV/C

Hill, J.C. ; Ansorge, R.E. ; Carter, J.R. ; et al.
Nucl.Phys.B 227 (1983) 387, 1983.
Inspire Record 196402 DOI 10.17182/hepdata.33929

Results are presented from an experiment at the SLAC 40″ hybrid facility (SHF) using an 8.8 GeV/ c antiproton beam. Using external detectors and an on-line trigger, a sample of events enriched in p p annihilations was obtained. pp interactions taken under the same conditions enabled the annihilations to be identified. Cross sections and distributions for the inclusive production of K s 0 and K ∗± (890), and cross sections for exclusive channels with a pair of strange particles are presented.

3 data tables

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anti-Proton-Proton Annihilations Between 1.5-GeV/c and 2.0-GeV/c: Final States with at Least One K0(L) Meson

Vuillemin, V. ; Gailloud, M. ; Rosselet, P. ; et al.
Nuovo Cim.A 33 (1976) 133, 1976.
Inspire Record 3307 DOI 10.17182/hepdata.37675

Antiproton-proton annihilations into final states containing one or two K10-mesons are studied on the basis of 450 000 pictures from the CERN 2 m HBC. The experiment covers the domain of antiproton incident momentum from 1.50 to 2.04 GeV/c. The resonance production rates are computed for the most abundant channels. The K10K10 threshold effect is explained through the inelastic channel π+π− → K10K10. The decay modes D, E → δ±(975)π∓, δ±(975) → K10K± are pointed out. The strange mesons C and C′ are observed in these annihilations and come mainly from the two-body channels \(p\bar p\) → (C, C′)K and\(p\bar p\) → (C, C′)K*.

9 data tables

RESONANCE FRACTIONS FOR AP P --> KS (K+ PI- + K- PI+).

RESONANCE FRACTIONS FOR AP P --> KS (K+ PI- + K- PI+) PI0.

RESONANCE FRACTIONS FOR AP P --> KS KS PI+ PI-.

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