Updated measurements of absolute D+ and D0 hadronic branching fractions and σ (e+e- →d D ̄) at Ecm=3774MeV updated measurements of absolute D+ and ⋯g. Bonvicini et al.

G. Bonvicini, D. Cinabro, M. J. Smith, P. Zhou, P. Naik, J. Rademacker, K. W. Edwards, R. A. Briere, H. Vogel, J. L. Rosner, J. P. Alexander, D. G. Cassel, R. Ehrlich, L. Gibbons, S. W. Gray, D. L. Hartill, B. K. Heltsley, D. L. Kreinick, V. E. Kuznetsov, J. R. PattersonD. Peterson, D. Riley, A. Ryd, A. J. Sadoff, X. Shi, W. M. Sun, S. Das, J. Yelton, P. Rubin, N. Lowrey, S. Mehrabyan, M. Selen, J. Wiss, J. Libby, M. Kornicer, R. E. Mitchell, D. Besson, T. K. Pedlar, D. Cronin-Hennessy, J. Hietala, S. Dobbs, Z. Metreveli, K. K. Seth, A. Tomaradze, T. Xiao, A. Powell, C. Thomas, G. Wilkinson, D. M. Asner, G. Tatishvili, J. Y. Ge, D. H. Miller, I. P.J. Shipsey, B. Xin, G. S. Adams, J. Napolitano, K. M. Ecklund, J. Insler, H. Muramatsu, L. J. Pearson, E. H. Thorndike, M. Artuso, S. Blusk, R. Mountain, T. Skwarnicki, S. Stone, J. C. Wang, L. M. Zhang, P. U.E. Onyisi

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Abstract

Utilizing the full CLEO-c data sample of 818pb-1 of e+e- data taken at the ψ(3770) resonance, we update our measurements of absolute hadronic branching fractions of charged and neutral D mesons. We previously reported results from subsets of these data. Using a double tag technique we obtain branching fractions for three D0 and six D+ modes, including the reference branching fractions B(D0→K-π+)=(3.934±0.021±0.061)% and B(D+→K-π+π+)=(9.224±0.059±0.157)%. The uncertainties are statistical and systematic, respectively. In these measurements we include the effects of final-state radiation by allowing for additional unobserved photons in the final state, and the systematic errors include our estimates of the uncertainties of these effects. Furthermore, using an independent measurement of the luminosity, we obtain the cross sections σ(e+e- →D0D̄0)=(3.607±0.017±0.056)nb and σ(e+e-→D+D- )=(2.882±0.018±0.042)nb at a center of mass energy, Ecm=3774±1MeV.

Original languageEnglish (US)
Article number072002
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume89
Issue number7
DOIs
StatePublished - Apr 2 2014

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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    Bonvicini, G., Cinabro, D., Smith, M. J., Zhou, P., Naik, P., Rademacker, J., Edwards, K. W., Briere, R. A., Vogel, H., Rosner, J. L., Alexander, J. P., Cassel, D. G., Ehrlich, R., Gibbons, L., Gray, S. W., Hartill, D. L., Heltsley, B. K., Kreinick, D. L., Kuznetsov, V. E., ... Onyisi, P. U. E. (2014). Updated measurements of absolute D+ and D0 hadronic branching fractions and σ (e+e- →d D ̄) at Ecm=3774MeV updated measurements of absolute D+ and ⋯g. Bonvicini et al. Physical Review D - Particles, Fields, Gravitation and Cosmology, 89(7), [072002]. https://doi.org/10.1103/PhysRevD.89.072002