Measurement of Λ+ c and D+ s lifetimes

P. L. Frabetti, C. W. Bogart, H. W.K. Cheung, P. Coteus, S. Culy, J. P. Cumalat, D. Kaplan, J. N. Butler, F. Davenport, I. Gaines, P. H. Garbincius, S. Gourlay, D. J. Harding, P. Kasper, A. Kreymer, P. Lebrun, H. Mendez, S. Bianco, M. Enorini, F. L. FabbriA. Spallone, A. Zallo, R. Culbertson, M. Diesburg, G. Jaross, K. Lingel, P. D. Sheldon, J. R. Wilson, J. Wiss, G. Alimonti, G. Bellini, M. Di Corato, M. Giammarchi, P. Inzani, S. Malvezzi, P. F. Manfredi, D. Menasce, L. Moroni, D. Pedrini, L. Perasso, A. Sala, S. Sala, D. Torretta, M. Vittone, D. Buchholz, C. Castoldi, B. Gobbi, S. Park, R. Yoshida, J. M. Bishop, J. K. Busenitz, N. M. Cason, J. D. Cunningham, R. W. Gardner, C. J. Kennedy, E. J. Mannel, R. J. Mountain, D. L. Puseljic, R. C. Ruchti, W. D. Shephard, M. E. Zanabria, S. P. Ratti, A. Lopez

Research output: Contribution to journalArticlepeer-review

Abstract

Measurements of the lifetimes of the Λ+ c decaying into pK-π+ and of the D+ s decaying into φπ+ are presented. The data were accumulated in the Fermilab Wide-Band photoproduction experiment E687. The lifetimes of the Λ+ c and the D+ s are measured to be (0.20±0.03±3)× 10-12s and (0.50±0.06±0.03) × 10-12s respectively.

Original languageEnglish (US)
Pages (from-to)639-644
Number of pages6
JournalPhysics Letters B
Volume251
Issue number4
DOIs
StatePublished - Nov 29 1990
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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