French, B.R.
PBAR P --> LAMBDABAR SIGMA0
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Study of the reactions anti-p p ---> anti-lambda lambda, anti-lambda sigma0 or anti-sigma0 lambda, anti-sigma+ sigma+ at 3.6 gev/c

Atherton, H.W. ; French, B.R. ; Moebes, J.P. ; et al.
Nucl.Phys.B 69 (1974) 1-14, 1974.
Inspire Record 94822 DOI 10.17182/hepdata.32345

The reactions p p → Λ Λ, Λ Σ 0 or Σ 0 Λ, Σ + Σ + are studied at an incident momentum of 3.6 GeV/ c in a 35.4 event/μb experiment performed in the CERN 2m HBC. Total and differential cross sections are presented. The polarization of the hyperons is measured as a function of t and for the reaction p p → Λ Λ the complete spin correlation matrix is given.

4 data tables
Table 1

35.4 event/mub data sample used.

Table 2

35.4 event/mub data sample used.

Table 3

35.4 event/mub data sample used.

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Two-body hyperon production by 5.7 gev/c anitprotons on protons

Atherton, H.W. ; Celnikier, L.M. ; French, B. ; et al.
Phys.Lett.B 30 (1969) 494-497, 1969.
Inspire Record 56634 DOI 10.17182/hepdata.28892

Total and differential cross sections are presented on the reactions: p ̄ p → Λ Λ, ΛΣ 0 + c.c. , Σ + Σ + at an incident momentum of 5.7 GeV/ c , from 200 000 photographs (13 events/ Σ b) of the CERN 2 metre hydrogen bubble chamber. The “forbidden” reaction p ̄ p → Σ − Σ − is also observed and its cross section is 1.3 ± 0.4 μ b. Polarization and correlation of polarizations are presented for the reaction p ̄ p → Λ Λ .

1 data table
Table 1

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