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Type: Journal article
Title: Cabibbo-suppressed non-leptonic decays of Λc and final state interaction
Other Titles: Cabibbo-suppressed non-leptonic decays of Lambda c and final state interaction
Author: Chen, Shao-Long
Guo, Xin-Heng
Li, Xue-Qian
Wang, Guo-Li
Citation: Communications in Theoretical Physics, 2003; 40(5):563-572
Publisher: Inst Academic Publications
Issue Date: 2003
ISSN: 0253-6102
School/Discipline: School of Chemistry and Physics : Physics and Mathematical Physics
Statement of
Chen, Shao-Long; Guo, Xin-Heng, Li, Xue-Qian and Wang, Guo-Li
Abstract: With the diquark structure of Λc, we investigate the branching ratio of Λc→nπ+ and pπ0. The results show that without considering the final state interaction (FSI), the branching ratio of Λc→pπ0 is only of order 10-6 whereas this ratio could reach 10-4 and is at the same order as Λc→nπ+ if taking into account the FSI effects. Concrete values depend on phenomenological parameters adopted in the calculations. These branching ratios can be measured in the experiments to come.
Keywords: heavy quark effective theory; diquark structure; Cabibbo-suppressed non-leptonic decay
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