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arxiv: hep-ex/0308019 · v3 · submitted 2003-08-08 · ✦ hep-ex

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Observation of the DsJ(2317) and DsJ(2457) in B decays

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classification ✦ hep-ex
keywords decaysgammadbardecayobservationbbarbellecollected
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We report the first observation of the B --> Dbar DsJ(2317) and B --> Dbar DsJ(2457) decays based on 123.8 10^6 BBar events collected with the Belle detector at KEKB. We observe the DsJ(2317) decay to Ds pi0 and DsJ(2457) decay to the Ds* pi0 and Ds gamma final states. We also set 90% CL upper limits for the decays DsJ(2317) --> Ds* gamma, DsJ(2457) --> Ds* gamma, DsJ(2457) --> Ds pi0 and DsJ(2457) --> Ds pi+ pi-.

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Cited by 2 Pith papers

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

  1. Observation of a new excited charm-strange meson $D_{s1}(2933)^+$ in $B^0\to D^+ D^- K^+ \pi^-$ decays

    hep-ex 2026-04 accept novelty 8.0

    A new charm-strange resonance D_s1(2933)^+ with J^P=1^+ is observed at >10 sigma in B^0 to D+ D- K+ pi- decays, with measured mass 2933 MeV and width 72 MeV.

  2. Coupled-channel study of the three-body $DDK$ and $D^{*}D^{*}K$

    hep-ph 2026-04 unverdicted novelty 5.0

    The DDK system supports a deeply bound compact state across wide parameters and possibly a shallow three-body halo state near the D-DK threshold, with negligible D*D*K coupling and no resonances.