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Lattice QCD study of heavy-heavy-light-light tetraquark candidates

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arxiv 1609.00181 v1 pith:CM3KYGA2 submitted 2016-09-01 hep-lat hep-ph

Antje Peters , Pedro Bicudo , Luka Leskovec , Stefan Meinel , Marc Wagner This is my paper · ORCID
classification hep-lathep-ph
keywords bottomquarksfour-quarkstatictetraquarkcandidatesevidenceexistence
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We investigate heavy-light four-quark systems $ud\bar b \bar b$ with bottom quarks of finite mass which are treated in the framework of NRQCD. We focus on $I(J^P)=0(1^+)$, where we recently found evidence for the existence of a tetraquark state using static bottom quarks. Furthermore, we report on an investigation of the $u \bar d b \bar b$ four-quark system with quantum numbers $I(J^P)=1(1^+)$ again using static bottom quarks.

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Cited by 1 Pith paper

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  1. Lattice perspectives on doubly heavy tetraquarks

    hep-lat 2025-02 accept novelty 1.0 of 10

    A review of lattice QCD results concludes that doubly heavy tetraquarks Tbb(ud/us) are firmly predicted as bound states, Tcc appears as a virtual state at nonphysical masses, and Tbc is under active study.

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