pdgLive Home   >   CHARMED, STRANGE MESONS ($\mathit C$ = $\pm1$, $\mathit S$ = $\pm1$) (including possibly non-${\mathit {\mathit q}}$ ${\mathit {\overline{\mathit q}}}$ states)   >   ${{\mathit T}_{{{{{\overline{\mathit c}}} {{\overline{\mathit s}}} 1}}}^{*}{(2900)}^{0}}$

INSPIRE   JSON PDGID: M251

${{\mathit T}_{{{{{\overline{\mathit c}}} {{\overline{\mathit s}}} 1}}}^{*}{(2900)}^{0}}$ $I(J^P)$ = $?(1^{-})$

was ${{\mathit X}_{{{1}}}{(2900)}}$

An exotic state with minimal quark content ${{\overline{\mathit c}}}{{\mathit d}}{{\overline{\mathit s}}}{{\mathit u}}$. Observed by AAIJ 2020AI using full amplitude analysis of ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit D}^{+}}{{\mathit D}^{-}}{{\mathit K}^{+}}$ decays.

${{\mathit T}_{{{{{\overline{\mathit c}}} {{\overline{\mathit s}}} 1}}}^{*}{(2900)}^{0}}$ MASS $2904$ $\pm5$ MeV

${{\mathit T}_{{{{{\overline{\mathit c}}} {{\overline{\mathit s}}} 1}}}^{*}{(2900)}^{0}}$ WIDTH $106$ $\pm10$ MeV

${{\mathit T}_{{{{{\overline{\mathit c}}} {{\overline{\mathit s}}} 1}}}^{*}{(2900)}^{0}}$ DECAY MODES
Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit D}^{-}}{{\mathit K}^{+}}$ seen 743