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K- P --> K0 XI(2370)0
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Observation of a Xi* (2370) Produced in 8.25-{GeV}/$c K^- p$ Interactions

The Birmingham-CERN-Glasgow-Michigan State-Paris collaboration Amirzadeh, J. ; Baubillier, M. ; Bloodworth, I.J. ; et al.
Phys.Lett.B 90 (1980) 324-326, 1980.
Inspire Record 143786 DOI 10.17182/hepdata.27255

We observe production of a Ξ * (2370) in the reactions K − p→ [YK¯π] K, [YK¯π] Kπ and [ΩK] (K or Kπ) at 8.25 GeV/ c in a high statistics bubble chamber experiment. The mass and width are determined to be 2373 ± 8 MeV and 80 ± 25 MeV, respectively. The I = 1/2 assignment is strongly favoured.

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Table 1

CROSS SECTIONS FOR PRODUCTION OF XI(2370) --> (LAMBDA + SIGMA) AK PI. BREIT-WIGNER FIT WITH POLYNOMIAL BACKGROUND. XI(2370) PRODUCED BY BARYON EXCHANGE. CORRECTED FOR NEUTRAL DECAYS AND GEOMETRICAL LOSSES. <OMEGA-KAON> DECAY SEEN. OBSERVED RATIO OF CHARGED TO NEUTRAL XI(2370) PRODUCTION IS 2.7 +- 0.9.