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Two-body hyperon final states in antiproton interactions at 2.2 gev/c

Kwak, N. ; Manweiler, J.E. ; Nicholas, M.L. ;
Nuovo Cim.A 23 (1974) 610-617, 1974.
Inspire Record 97002 DOI 10.17182/hepdata.37751

The reactions\(\bar pp \to \bar \Lambda \Lambda \),\(\bar \Lambda \Sigma ^0+ C.C.\),\(\bar \Sigma ^ +\Sigma ^ +\) and\(\bar \Sigma ^ -\Sigma ^ -\) are studied at 2.2 GeV/c. The cross-section, differential cross-section, polarization and spin correlations (between the\(\bar \Lambda \) and Λ hyperons) are discussed.

4 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

LAMBDA AND ALAMBDA POLARIZATIONS ASSUMED EQUAL. SPIN CORRELATIONS ALSO ESTIMATED.

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Observation of the *forbidden* double charge exchange reaction anti-p p ---> antisigma- sigma- at 3.6 gev/c

Atherton, H.W. ; Celnikier, L.M. ; French, B.R. ; et al.
Phys.Lett.B 42 (1972) 522-526, 1972.
Inspire Record 84969 DOI 10.17182/hepdata.28179

Data are presented which firmly establish the existence of the double charge exchange reaction p p → Σ − Σ − at 3.6 GeV/ c . The forward cross section was found to be (5.9 ± 1.1) μb and the ratio of the “forbidden” to “allowed” forward cross section is R = σ( Σ − Σ − σ( Σ + Σ + ) = 0.09 ± 0.02 .

2 data tables
Table 1

No description provided.

Table 2

No description provided.