Adair, R.K.
DSIG/DX
[2.0, 5.0]
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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
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