Chronology of Milestone Events in Particle Physics - PLANO 1957
Chronology of Milestone Events in Particle Physics

PLANO 1957

Plano, R.; Samios, N.P.; Schwartz, M.; Steinberger, J.;
Demonstration of the Existence of the 0 Hyperon and a Measurement of its Mass
Nuovo Cim. 5 (1957) 216;

Summary
Three events, demonstrating the existence of the o hyperon, have been found in a propane bubble chamber. The Q-value for the decay o 0 + Q has been measured to be (73.0 ± 3.5) MeV.

Accelerator BNL-COSMOTRON Detectors HLBC-12IN

Related references
See also
T. Nakano and K. Nishijima, Progr. of Theor. Phys. 10 (1953) 581;
M. Ceccarelli et al., Pisa Conference (1955);
M. Gell-Mann and A. Pais, Proc. of the Glasgow Conference.;
W. W. Chupp, G. Goldhaber, S. Goldhaber, and F. B. Webb, Pisa Conference.;
Analyse data from
R. Budde et al., Phys. Rev. 103 (1956) 1827;
W. D. Walker and W. D. Shephard, Phys. Rev. 101 (1956) 1810;
W. B. Fowler et al., Phys. Rev. 98 (1955) 121;

Reactions
  p o Ko 1.15 GeV (Tlab) cs
  o p
  p

Particles studied
  o ex, mass

Record comments
Confirmation of the existence of the o hyperon. First measurement of the o mass.
    
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