Observation of the production of short-lived particles in a high-resolution streamer-chamber experiment

J. Sandweiss, T. Cardello, P. Cooper, S. Dhawan, R. Kellogg, D. Ljung, T. Ludlam, R. Majka, P. McBride, P. Némethy, L. Rosselet, A. J. Slaughter, H. D. Taft, L. Teig, L. Tzeng, S. Ecklund, M. Johnson

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Short-lived particles produced in association with muons have been observed in the interactions of 350-GeV/c protons with neon in a high-resolution streamer chamber. The characteristics of these events are consistent with the expected properties of charmed particles if the average lifetime lies between 10-13 and 2×10-12 sec. With the assumption that the observed events are mainly D± mesons with lifetimes of approximately 10-12 sec, the production cross section is estimated to lie between 20 and 50 μb per nucleon.

    Original languageEnglish (US)
    Pages (from-to)1104-1107
    Number of pages4
    JournalPhysical Review Letters
    Volume44
    Issue number17
    DOIs
    StatePublished - 1980

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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