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BUTTON 1960

Button, J.; Eberhard, P.H.; Kalbfleisch, G.R.; Lannutti, J.E.; Lynch, G.R.; Maglic, B.C.; Stevenson, M.L.;
Evidence for the Reaction anti-p p → anti-Σ^o Λ
Phys. Rev. Lett. 4 (1960) 530;

Summary
We have found an event which may be interpreted as the reaction anti-p p → anti-Σ^o Λ. The event was produced in the 72-in liquid hydrogen bubble chamber. A highly purified beam of antiprotons of 1.99 ± 0.03 BeV/c was produced by using three velocity-selecting spectrometers. The approximate composition of this beam under normal operating conditions was 1.0 anti-p : 1.5π^– : 1.9μ^– : 0.015K^–. A description of the beam will be presented in a later publication. (Extracted from the introductory part of the paper.).

Accelerator LBL Detectors HBC-72IN

Related references
Superseded by
J. Button et al., Phys. Rev. 121 (1961) 1788;

Reactions

anti-p p Λ anti-Σo

1.99 GeV (Plab)

cs

Particles studied

anti-Σo

ex, mass

Record comments
First evidence for the anti-Σ^o.

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