Search for S=-2 negative heavy meson in nuclear emulsions

Y. Eisenberg*, M. Friedmann, G. Alexander, D. Kessler

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A search for the D- meson was conducted in an emulsion stack exposed to the 300-Mev/c K- beam at Berkeley. The stars initiated by the beam particles were investigated for possible emission of two strangeness-carrying particles, and in addition mass measurements were done on the short-range tracks. In about 10 000 events examined, no possible S=-2 particle has been observed. Hence the upper limit for the D - meson occurrence in the present experimental conditions is ∼1100 from the double strangeness observation and ∼16000 from direct mass determinations.

Original languageEnglish
Pages (from-to)1021-1022
Number of pages2
JournalPhysical Review
Volume120
Issue number3
DOIs
StatePublished - 1960
Externally publishedYes

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