Observation of the decay D*+→D0π+

G. J. Feldman, I. Peruzzi, M. Piccolo, G. S. Abrams, M. S. Alam, A. M. Boyarski, M. Breidenbach, J. Dorfan, W. Chinowsky, D. Fryberger, G. Goldhaber, G. Hanson, J. A. Jaros, A. D. Johnson, J. A. Kadyk, R. R. Larsen, D. Lüke, V. Lüth, R. J. Madaras, H. K. NguyenJ. M. Paterson, M. L. Perl, T. P. Pun, P. Rapidis, B. Richter, R. F. Schwitters, W. Tanenbaum, G. H. Trilling, J. S. Whitaker, J. E. Wiss

Research output: Contribution to journalArticle


We have observed the decay D*+→D0π+ and have measured its Q value to be 5.7±0.5 MeV. The decay width of the D*+ is less than 2.0 MeV/c2. The observation of D*+→(K-π+)π+ but not of D*+→(K+π-)π+ sets an upper limit on the amount of D0-D̄0 mixing.

Original languageEnglish (US)
Pages (from-to)1313-1315
Number of pages3
JournalPhysical review letters
Issue number23
StatePublished - 1977

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Feldman, G. J., Peruzzi, I., Piccolo, M., Abrams, G. S., Alam, M. S., Boyarski, A. M., Breidenbach, M., Dorfan, J., Chinowsky, W., Fryberger, D., Goldhaber, G., Hanson, G., Jaros, J. A., Johnson, A. D., Kadyk, J. A., Larsen, R. R., Lüke, D., Lüth, V., Madaras, R. J., ... Wiss, J. E. (1977). Observation of the decay D*+→D0π+. Physical review letters, 38(23), 1313-1315. https://doi.org/10.1103/PhysRevLett.38.1313