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${\mathit m}_{{{\mathit T}_{{cc}}^{+}}}$ $−$ (${\mathit m}_{{{\mathit D}^{*+}}}$ + ${\mathit m}_{{{\mathit D}^{0}}}$)

INSPIRE   PDGID:

M265DM

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $\bf{ -0.27 \pm0.06}$ OUR FIT $-0.273$ $\pm0.061$ ${}^{+0.012}_{-0.015}$ 117 1 AAIJ 2022 E LHCB ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit D}^{0}}{{\mathit D}^{0}}{{\mathit \pi}^{+}}{{\mathit X}}$ 1  The fit assumes a relativistic ${\mathit P}{\mathrm -wave}$ Breit Wigner function modified by Blatt-Weisskopf form factor with radius 3.5 GeV${}^{-1}$. The significance for ${\mathit m}_{{{\mathit T}_{{cc}}^{+}}}−({\mathit m}_{{{\mathit D}^{*+}}}$ + ${\mathit m}_{{{\mathit D}^{0}}}$) $<$ 0 is 4.3 $\sigma $.

References:

AAIJ 2022E NATP 18 751 Observation of an exotic narrow doubly charmed tetraquark