Analysis of FCNC ΞqQ → Λql+l- decay in light-cone sum rules

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2022-8-01

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Alıyev, Tahmasıb
Savcı, Mustafa
Bilmiş, Selçuk

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© 2022 authors. Published by the American Physical Society.The weak decays of doubly heavy ΞQQ baryon induced by flavor changing b→d and c→u flavor changing neutral current within the light-cone sum rules are studied. The sum rules are constructed and analyzed for the corresponding transition form factors using the parallel components of the light-cone distribution amplitudes for ΛQ baryon. Having the results for the form factors, the corresponding branching ratios for ΞQQ→ΛQl+l- decays are estimated. While the branching ratio due to b→d transition is around 10-9, in c→u transition case, it is found as around 10-13. Hence, Ξbb→Λbl+l- decay has the potential of being discovered at LHCb. However, Ξbb→Λbl+l- is difficult to be measured due to the extremely small values of obtained branching ratio. Our results on the branching ratio are also compared with the results of the light-front approach.

URI

https://hdl.handle.net/11511/99662

Journal

Physical Review D

DOI

https://doi.org/10.1103/physrevd.106.034017

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Department of Physics, Article

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Citation Formats

T. Alıyev, M. Savcı, and S. Bilmiş, “Analysis of FCNC ΞqQ → Λql+l- decay in light-cone sum rules,” Physical Review D, vol. 106, no. 3, 2022, Accessed: 00, 2022. [Online]. Available: https://hdl.handle.net/11511/99662.