pdgLive Home   >   ${\mathit {\mathit c}}{\mathit {\overline{\mathit c}}}$ MESONS (including possibly non-${\mathit {\mathit q}}{\mathit {\overline{\mathit q}}}$ states)   >   ${{\mathit \chi}_{{{c2}}}{(3930)}}$   >   ${{\mathit \chi}_{{{c2}}}{(3930)}}$ MASS

${{\mathit \chi}_{{{c2}}}{(3930)}}$ MASS

INSPIRE   PDGID:

M050M

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $\bf{ 3922.5 \pm1.0}$ OUR AVERAGE  Error includes scale factor of 1.7.  See the ideogram below. $3926.8$ $\pm2.4$ $\pm0.8$ 1.2k 1 AAIJ 2020 AI LHCB ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit D}^{+}}{{\mathit D}^{-}}{{\mathit K}^{+}}$ $3921.9$ $\pm0.6$ $\pm0.2$ 2 AAIJ 2019 M LHCB ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit D}}{{\overline{\mathit D}}}{+}$ anything $3926.7$ $\pm2.7$ $\pm1.1$ $76$ $\pm17$ AUBERT 2010 G BABR 10.6 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit D}}{{\overline{\mathit D}}}$ $3929$ $\pm5$ $\pm2$ 64 UEHARA 2006 BELL 10.6 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit D}}{{\overline{\mathit D}}}$ 1  Obtained from the full amplitude analysis. Parameterized with the relativistic Breit-Wigner line shape. Previous measurements assumed a single state in this region. This analysis revealed the presence of ${{\mathit \chi}_{{{c0}}}{(3930)}}$ with the same mass. 2  Measured in prompt hadroproduction.

${{\mathit \chi}_{{{c2}}}{(3930)}}$ MASS (MeV)

References