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Isospin quantum number of D_{s0}^+(2317)

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arxiv hep-ph/0410393 v2 pith:35DZ7HL3 submitted 2004-10-29 hep-ph hep-exnucl-th

Arata Hayashigaki , Kunihiko Terasaki This is my paper
classification hep-phhep-exnucl-th
keywords assigningconstraintdecaysfour-quarkassignmentcharmedconventionalexperimental
verification ladder T0 review T1 audit T2 compute T3 formal
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The D_s^+ pi^0 and D_s^{*+} gamma decays of the D_{s0}^+(2317) are studied by assigning it to various charmed strange scalar mesons. As a result, it is found that its assignment to an iso-triplet four-quark meson is favored by the severest experimental constraint on the ratio of the rates for these decays, while assigning it to an I=0 state (a four-quark or a conventional {c\bar{s}}) is inconsistent with this constraint.

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Cited by 3 Pith papers

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

  1. Singly heavy tetraquarks

    hep-ph 2026-07 conditional novelty 6.0 of 10

    A hybrid quark model with gluon and meson exchange predicts that LHCb's T-c̄s̄0(2870) and T-cs̄0(2900) are compact tetraquarks, and that Ds0(2317), Ds1(2460), Tbs(5568), and Tcs(2327) are not.

  2. 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.

  3. Unquenched Charmonium and Beyond

    hep-ph 2026-02 conditional novelty 2.0 of 10

    This Lanzhou-group review argues that coupled-channel (unquenched) effects, not exotic constituents, are the common thread explaining charmonium anomalies from the rho-pi puzzle to the Y-problem states.

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