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Published June 10, 2019 | Submitted + Published
Journal Article Open

An Estimate of the Inclusive Branching Ratio to B_c in Ξ_(bbq) Decay

Abstract

We estimate the branching ratio for the inclusive decays Ξ_(bbq) → B^((∗))_c+X_(c,s,q) to be approximately 1%. Our estimate is performed using non-relativistic potential quark model methods that are appropriate if the bottom and charm quarks are heavy compared to the strong interaction scale. Here the superscript (∗) denotes that we are summing over spin zero B_c and spin one B^∗_c mesons and the subscript q denotes a light quark. Our approach treats the two bottom quarks in the baryon Ξ_(bbq) as a small color anti-triplet. This estimate for the inclusive branching ratio to B_c and B^∗_c mesons also holds for decays of the lowest lying T_(bbqq) tetraquark states, provided they are stable against strong and electromagnetic decay.

Additional Information

© 2019 Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3. Received 21 March 2019, Accepted 8 April 2019, Available online 11 April 2019. This work was supported by the by DOE Grant DE-SC0011632. We are also grateful for the support provided by the Walter Burke Institute for Theoretical Physics. We thank Zoltan Ligeti for informing us of the work of Gershon and Poluektov. MBW also thanks Tim Gershon for discussions.

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Published - 1-s2.0-S0370269319302527-main.pdf

Submitted - 1902.04582.pdf

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Created:
August 19, 2023
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