D and D meson production near 4 GeV in e+e- annihilation

G. Goldhaber, J. E. Wiss, G. S. Abrams, M. S. Alam, A. M. Boyarski, M. Breidenbach, W. Chinowsky, J. Dorfan, G. J. Feldman, G. Hanson, J. A. Jaros, A. D. Johnson, J. A. Kadyk, D. Lüke, V. Lüth, H. L. Lynch, R. J. Madaras, H. K. Nguyen, J. M. Paterson, M. L. PerlI. Peruzzi, M. Piccolo, F. M. Pierre, T. P. Pun, P. Rapidis, B. Richter, R. H. Schindler, R. F. Schwitters, J. Siegrist, W. Tanenbaum, G. H. Trilling

Research output: Contribution to journalArticlepeer-review


We have studied momentum spectra for D0 (D0) and D± mesons produced near 4 GeV in e+e- annihilation and find that production is dominated by two-body reactions involving D and D* states where the D* (charged and neutral) have masses near 2.01 GeV/c2. A detailed study of D momentum spectra near Ecm = 4.028 GeV allows determination of masses and branching ratios of D and D* states. Lastly we find that events containing a D0 meson conserve strangeness, thus establishing upper limits on D0-D0 mixing and on the effects of charm changing neutral currents.

Original languageEnglish (US)
Pages (from-to)503-507
Number of pages5
JournalPhysics Letters B
Issue number4
StatePublished - 1977
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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