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LANDE 1957

Lande, K.; Lederman, L.M.; Chinowsky, W.;
Report on Long-Lived K^o Mesons
Phys. Rev. 105 (1957) 1925;

Summary
The experiment previously reported (Lande et al., Phys. Rev. 103 (1956) 1901) which established the existence of a long-lived neutral V particle is being continued. In this report, we give evidence that

1. strengthens the previous surmise that these are indeed K-mass particles with decay modes primarily into π e ν and π μ ν,
2. establishes rather convincingly the existence of the π⁺ π^– π^o mode (Cooper et al., Nuovo cimento 4 (1956) 1433)
3. provides additional evidence for the particle mixture theory. (M. Gell-Mann and A. Pais, Phys. Rev. 97 (1955) 1387).

Accelerator BNL-COSMOTRON Detectors CLOUD

Related references
More (earlier) information appears in
K. Lande et al., Phys. Rev. 103 (1956) 1901;
See also
R. H. Dalitz, Phys. Rev. 99 (1955) 915;
D. O. Caldwell and Y. Pal, Rev. Sci. Inst. 27 (1956) 633;
L. N. Cooper et al., Nuovo Cim. 4 (1955) 1433;
M. Gell-Mann and A. Pais, Phys. Rev. 97 (1955) 1387;

Reactions

Ko π+ πo π–

Particles studied

KL

ex

Record comments
Confirmation of the existence of the K_L.

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