Inclusive and exclusive decays ofmesons to final states including charm and charmonium mesons
- 1 January 1992
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 45 (1), 21-35
- https://doi.org/10.1103/physrevd.45.21
Abstract
We have studied hadronic decays of mesons. We report measurements of exclusive branching ratios of several charm decay modes of mesons to final states with a or and one to three charged pions or a charged and to final states with a or , a kaon, and up to two charged pions. We have also measured inclusive branching ratios for decays to and and the spectra of these particles in decays. The total charm content in decay is found to be (101±12)%. The branching ratios and spectra are compared to form-factor models. We extract the parameters and of the model of Bauer, Stech, and Wirbel and the decay constant. The masses of the and mesons are measured. The mass difference between and is found to be -0.4±0.6±0.5 MeV/.
Keywords
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