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Inclusive Production of Multistrange Hyperons From 11-{GeV}/$c K^- p$ Interactions

Aston, D. ; Carnegie, R.K. ; Dunwoodie, W.M. ; et al.
Phys.Rev.D 32 (1985) 2270, 1985.
Inspire Record 214256 DOI 10.17182/hepdata.70875

Large samples of inclusively produced Ξ−, Ω−, and Ξ0(1530) events are presented from a 1427 events/μb exposure of the large-aperture superconducting-solenoid spectrometer to an 11-GeV/c K− beam. Production characteristics of these states are compared with other data and shown to be consistent with hyperon exchange. Polarization of Ξ− shows an increase in magnitude with both Feynman x and transverse momentum. The Ξ− decay parameters are measured to be αΞ=-0.40±0.03 and ΦΞ=(5±10)° . Results of searches for higher-mass hyperons are presented. The Ξ−(1820)→Ξ0(1530)π− decay is observed, while we fail to confirm the existence of the Σ+(3170).

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.


Production of S = -2 and -3 Baryon States in 6.5-{GeV}/$c K^- P$ Interactions

Hassall, J.K. ; Ansorge, R.E. ; Carter, J.R. ; et al.
Nucl.Phys.B 189 (1981) 397-420, 1981.
Inspire Record 172448 DOI 10.17182/hepdata.34253

We present results from a high statistics (46 events/μ;b) experiment on K − p interactions in the Argonne 12 foot bubble chamber. In particular we make a systematic search for Ξ ∗ resonances. We confirm recent evidence of a Ξ(2370), and see a number of other well established states. We also give cross sections for various exclusive and inclusive reactions, including those in which θ − are produced.

1 data table
Table 1

THE PI0 ARE UNDETECTED.