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 journalArticle

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
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Sandweiss, J., Cardello, T., Cooper, P., Dhawan, S., Kellogg, R., Ljung, D., Ludlam, T., Majka, R., McBride, P., Némethy, P., Rosselet, L., Slaughter, A. J., Taft, H. D., Teig, L., Tzeng, L., Ecklund, S., & Johnson, M. (1980). Observation of the production of short-lived particles in a high-resolution streamer-chamber experiment. Physical Review Letters, 44(17), 1104-1107. https://doi.org/10.1103/PhysRevLett.44.1104