Cloud Chamber Investigation of AnomalousParticles
- 15 March 1957
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 105 (6) , 1862-1871
- https://doi.org/10.1103/physrev.105.1862
Abstract
Eighteen anomalous , (), decay events observed in the California Institute of Technology magnet cloud chambers have been analyzed. Many of these decays are dynamically inconsistent with the scheme, but most are consistent with the decay processes: . However, at least one event is inconsistent with each decay scheme. From the locations of the decays in the cloud chamber, the lifetime is found to be significantly longer than that of the normal particle, called here the particle. Other differences in the behavior of the and particles were also observed in the (a) momentum distributions, (b) origin locations, (c) relative numbers of and particles traveling upward, and (d) the types of particles produced in association with the and . It is concluded that not all the decays can result from alternate decay modes of the . Moreover, many decays can be neither decays nor alternate decays of the .
Keywords
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