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Weinberg's Compositeness

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arxiv 2209.08432 v1 pith:DXZEO6ET submitted 2022-09-18 hep-ph nucl-th

U. van Kolck This is my paper · ORCID
classification hep-phnucl-th
keywords weinbergcompositenessacquiredanothercontextcreationscriteriondiscovery
verification ladder T0 review T1 audit T2 compute T3 formal
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Nearly 60 years ago Weinberg suggested a criterion for particle "compositeness", which has acquired new life with the discovery of new, exotic hadrons. His idea resonates with model-based intuition. I discuss the role it plays in the context of another of Weinberg's creations, the model-independent framework of effective field theories.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Determining the width of $D_{s0}^{*}(2317)$ by using $T_{c\bar{s}0}^{a}(2327)$ in a molecular frame

    hep-ph 2025-07 conditional novelty 5.0 of 10

    Calibrating the DK molecular model on the newly measured Tcs0(2327) width predicts the Ds0*(2317) width to be 63 to 209 keV.

  2. A variation on "compositeness" (including higher partial waves)

    nucl-th 2025-02 accept novelty 5.0 of 10

    For finite-range potentials, the compositeness of a bound state is exactly proportional to the probability of finding the particle outside a chosen radius, with a universal factor depending on angular momentum.

  3. 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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