Quark spin structures of bottom-charmed threshold molecular states

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Abstract

The implementation of the heavy quark spin symmetry in possible molecular states at the mixed bottom-charm threshold is somewhat different from that at the open charm or bottom thresholds. In particular it depends on two parameters describing separately the symmetry for the bottom and for charmed quarks. The corresponding spin structures of the S-wave molecular states of the meson pairs B(∗)D(∗) are discussed as well as their consequences for properties of possible near-threshold resonances, analogs of the known charmoniumlike and bottomoniumlike X and Z states.

Original languageEnglish (US)
Article number074004
JournalPhysical Review D
Volume98
Issue number7
DOIs
StatePublished - Oct 1 2018

Bibliographical note

Funding Information:
This work is supported in part by U.S. Department of Energy Grant No. DE-SC0011842.

Publisher Copyright:
© 2018 authors. Published by the American Physical Society.

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