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Investigation of $B\bar B$ four-quark systems using lattice QCD

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arxiv 1602.07621 v2 pith:BPFF4OC5 submitted 2016-02-24 hep-lat hep-exhep-ph

Antje Peters , Pedro Bicudo , Krzysztof Cichy , Marc Wagner This is my paper · ORCID
classification hep-lathep-exhep-ph
keywords latticepotentialsquarkssystemsattractivebottomonium-likeboundcandidate
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

We investigate $B \bar B$ systems by computing potentials of two static quarks in the presence of two quarks of finite mass using lattice QCD. By solving the Schr\"odinger equation we check whether these potentials are sufficiently attractive to host bound states. Particular focus is put on the experimentally most promising bottomonium-like tetraquark candidate $Z_b^\pm$ with quantum numbers $I(J^P)=1(1^+)$.

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Cited by 1 Pith paper

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  1. Zb tetraquark channel and $B\bar B^*$ interaction from lattice QCD

    hep-lat 2019-09 conditional novelty 6.0 of 10

    A lattice QCD calculation finds strong B B* attraction in the Zb channel and, under an assumed potential, predicts a near-threshold virtual state and a deep bound state.

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