pdgLive Home   >   Meson Summary Table   >   ${{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(3900)}}$   >   ${{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(3900)}}$ WIDTH

${{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(3900)}}$ WIDTH

INSPIRE   JSON  (beta) PDGID:

M210W

VALUE (MeV) EVTS DOCUMENT ID TECN CHG  COMMENT $\bf{ 28.4 \pm2.6}$ OUR AVERAGE $44.4$ $\pm5.2$ $\pm14.0$ 1 ABLIKIM 2020 N BES3 0 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit J / \psi}}$ $32$ ${}^{+28}_{-21}$ ${}^{+26}_{-7}$ 2, 3 ABAZOV 2019 D0 $\pm{}$ 1.96 TeV ${{\mathit p}}$ ${{\overline{\mathit p}}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$ ${{\mathit X}}$ (nonprompt) $51.8$ $\pm4.6$ $\pm36.0$ 6 k 4 ABLIKIM 2017 J BES3 $\pm{}$ ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$ $35$ ${}^{+11}_{-12}$ $\pm15$ 2, 4 ABLIKIM 2015 AB BES3 0 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{0}}$( ${{\mathit D}}{{\overline{\mathit D}}^{*}}$) ${}^{0}$ $26.6$ $\pm2.0$ $\pm2.1$ 1248 2, 4 ABLIKIM 2015 AC BES3 $\pm{}$ ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}$( ${{\mathit D}}{{\overline{\mathit D}}^{*}}$) ${}^{-+}$ $24.8$ $\pm3.3$ $\pm11.0$ 1212 2, 4 ABLIKIM 2014 A BES3 $\pm{}$ ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{\pm}}$ (${{\mathit D}}{{\overline{\mathit D}}^{*}}){}^{-+}$ $63$ $\pm24$ $\pm26$ 159 2 LIU 2013 B BELL $\pm{}$ ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$ $37$ $\pm4$ $\pm8$ 81 2, 5 XIAO 2013 A $\pm{}$ 4.17 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$ • • We do not use the following data for averages, fits, limits, etc. • • $29.6$ $\pm8.2$ $\pm8.2$ 356 2, 6 ABLIKIM 2015 U BES3 0 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit J / \psi}}$ $46$ $\pm10$ $\pm20$ 307 2, 7 ABLIKIM 2013 T BES3 $\pm{}$ ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$ 1  Pole width obtained from a fit to a relativistic Breit-Wigner. 2  Neglecting interference between the ${{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(3900)}}$ and other processes. 3  Measured in weak decays of ${{\mathit b}}$-flavored hadrons (nonprompt). 4  Pole width obtained from a fit to a Flatte-like formula. 5  For $\mathit M{}^{2}({{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) $<$ 0.65 GeV${}^{2}$. Obtained by analyzing CLEO-c data but not authored by the CLEO Collaboration. 6  Superseded by ABLIKIM 2020N. 7  Superseded by ABLIKIM 2017J.

References