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Insight into the Scalar Mesons from a Lattice Calculation

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arxiv hep-lat/0001023 v1 pith:AUBPXDIL submitted 2000-01-20 hep-lat hep-exhep-phnucl-th

Mark Alford (MIT) , R. L. Jaffe (MIT) This is my paper · ORCID
classification hep-lathep-exhep-phnucl-th
keywords qbarcalculationlatticemesonsquarkscalaramplitudesannihilation
verification ladder T0 review T1 audit T2 compute T3 formal
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We study the possibility that the light scalar mesons are (qbar qbar q q) states rather than (qbar q). We perform a lattice QCD calculation of pseudoscalar meson scattering amplitudes, ignoring quark loops and quark annihilation, and find indications that for sufficiently heavy quarks there is a stable four-quark bound state with J^{PC}=0^{++} and non-exotic flavor quantum numbers.

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Cited by 1 Pith paper

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  1. Systematic Analysis of $B_s \to SP$ Decays in Perturbative QCD Approach

    hep-ph 2025-02 conditional novelty 5.0 of 10

    A PQCD calculation predicts branching fractions and CP asymmetries for B_s to scalar-pseudoscalar decays, with several modes sensitive to whether light scalars are quark-antiquark states.

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