Measurement of Charmed Particle Lifetimes and Decay Branching Ratios
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Adamovich, M. I.; Bolta Alandete, José Miguel; Castillo Giménez, María Victoria; Higón Rodríguez, Emilio; Salt Cairols, José; Sanchis Lozano, Miguel Ángel; Bravo Sánchez, Laura; Niembro Bárcena, Ramón; Ruiz Jimeno, Alberto; Villar García, Eugenio
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Aquest document és un/a article, creat/da en: 1987
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The lifetimes of charmed hadrons photoproduced in nuclear emulsion have been computed from a practically background-free sample of 44 neutral particle decays and 42 charged-particle decays including 27D±, 11Λc+, 1Ds+ and 3 ambiguous decays. The values obtained are τ(D0, bar D0) = (3.6-0.8+1.2 ± 0.7) 10-13 s, τ(D±) = (5.0-1.0+1.5 ± 1.9) 10-13 s, τ(Λc+) = = (2.3-0.6+0.9 ± 0.4) 10-13 s. Branching ratios of various decay topologies were also obtained. |
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