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Measurement of the Ξc+ lifetime

  • A. H. Mahmood
  • , S. E. Csorna
  • , I. Danko
  • , Z. Xu
  • , G. Bonvicini
  • , D. Cinabro
  • , M. Dubrovin
  • , S. McGee
  • , A. Bornheim
  • , E. Lipeles
  • , S. P. Pappas
  • , A. Shapiro
  • , W. M. Sun
  • , A. J. Weinstein
  • , G. Masek
  • , H. P. Paar
  • , R. Mahapatra
  • , R. J. Morrison
  • , H. N. Nelson
  • , R. A. Briere
  • G. P. Chen, T. Ferguson, G. Tatishvili, H. Vogel, N. E. Adam, J. P. Alexander, C. Bebek, K. Berkelman, F. Blanc, V. Boisvert, D. G. Cassel, P. S. Drell, J. E. Duboscq, K. M. Ecklund, R. Ehrlich, R. S. Galik, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, L. Hsu, C. D. Jones, J. Kandaswamy, D. L. Kreinick, A. Magerkurth, H. Mahlke-Krüger, T. O. Meyer, N. B. Mistry, E. Nordberg, M. Palmer, J. R. Patterson, D. Peterson, J. Pivarski, D. Riley, A. J. Sadoff, H. Schwarthoff, M. R. Shepherd, J. G. Thayer, D. Urner, B. Valant-Spaight, G. Viehhauser, A. Warburton, M. Weinberger, S. B. Athar, P. Avery, C. Prescott, H. Stoeck, J. Yelton, G. Brandenburg, A. Ershov, D. Y.J. Kim, R. Wilson, K. Benslama, B. I. Eisenstein, J. Ernst, G. D. Gollin, R. M. Hans, I. Karliner, N. Lowrey, M. A. Marsh, C. Plager, C. Sedlack, M. Selen, J. J. Thaler, J. Williams, K. W. Edwards, R. Ammar, D. Besson, X. Zhao, S. Anderson, V. V. Frolov, Y. Kubota, S. J. Lee, S. Z. Li, R. Poling, A. Smith, C. J. Stepaniak, J. Urheim

Research output: Contribution to journalArticlepeer-review

Abstract

The Ξc+ lifetime is measured using 9.0 fb -1 of e+e- annihilation data collected on and just below the Y(45) resonance with the CLEO II.V detector at CESR. This is the first measurement of the Ξc+ lifetime from a collider experiment. Using an unbinned maximum likelihood fit, the Ξc + lifetime is measured to be 503 ±47(stat) ± 18(syst) fs. The precision of this measurement is comparable to previous measurements carried out by fixed target experiments with different sources of systematic uncertainties.

Original languageEnglish (US)
Article number031102
JournalPhysical Review D
Volume65
Issue number3
DOIs
StatePublished - 2002
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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