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Semileptonic bc to cc and bb to bc baryon decays and heavy quark spin symmetry

AuthorsNieves, Juan Miguel CSIC ORCID; Hernández, Eliecer; Flynn, J. M.
KeywordsHeavy quark spin symmetry
Semileptonic decays
Constituent quark models
Issue DateSep-2010
PublisherChinese Physical Society
CitationChinese Physics C 34 (9): 1364-1367 (2010)
AbstractWe study the semileptonic decays of the lowest-lying be baryons to the lowest-lying cc baryons (Xi((t*))(bc) -> Xi((*))(cc) and Omega((t*))(bc) -> Omega((*))(cc)), in the limit mb, m(c) >> Lambda(QCD) and close to the zero recoil point The separate heavy quark spin symmetries make it possible to describe all these decays using a single form factor We also show how these constraints can be used to test the validity of different quark model calculations bb to bc baryon decays are also discussed.
Description5th International Conference on Quarks and Nuclear Physics (QNP09). Inst High Energy Phys Chinese Acad Sci, Beijing, PEOPLES R CHINA, SEP 21-25, 2009
Appears in Collections:(IFIC) Comunicaciones congresos

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