Condon, P.E.
PBAR P --> PHI PI+ PI-
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Analysis of $\bar{p}p\to K^+ K^- \pi^+ \pi^-$ around 1 GeV/c

Price, L.R. ; Burns, R.R. ; Condon, P.E. ; et al.
Nucl.Phys.B 85 (1975) 326-336, 1975.
Inspire Record 1392681 DOI 10.17182/hepdata.32088

Approximately 100 000 four-prong antiproton annihilations in hydrogen were measured. A clean, unbiased sample of 842 K + K − π + π − events was obtained. This reaction is dominated by K ∗ (∼45%) and ϱ 0 (∼20%) production, with smaller amounts of A 2 0 (∼15%) and ϕ (∼5%) production. 25% of the reactions involved double resonance production. No significant three-body resonance production is observed.

1 data table
Table 1

ERRORS INCLUDE SYSTEMATICS.


Strange Particle Production in anti-p p Annihilation from 1.22-GeV/c to 1.35-GeV/c

Handler, T. ; Plano, R.J. ; Brucker, E.B. ; et al.
Nucl.Phys.B 110 (1976) 173-188, 1976.
Inspire Record 100479 DOI 10.17182/hepdata.35744

Experimental results on antiproton-proton annihilations at 5 incident momenta in the range 1.22–1.35 GeV/ c into final states with at least one visible K 1 0 meson are presented. Based on a total of 5855 events, cross sections and resonance fractions for all experimentally accessible final states are determined. The total cross section for annihilation into strange particles with at least one visible K 1 0 is 2069 ± 45 ub. Copious resonance production is observed but there is no significant evidence for the formation of a resonance in the s -channel.

7 data tables
Table 1

No description provided.

Table 2

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

Table 3

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

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