Home > Studies of $X(3872)$ and $\psi(2S)$ production in $p\bar{p}$ collisions at 1.96 TeV > Plots |
![]() | The invariant mass $M(J/\psi \pi^+ \pi^-)$ for (a) the $\psi(2S)$ and (b) the $X(3872)$ selection criteria for the 4-track selection. |
![]() | The invariant mass $M(J/\psi \pi^+ \pi^-)$ for (a) the $\psi(2S)$ and (b) the $X(3872)$ selection criteria for the 4-track selection. |
![]() | The invariant mass $M(J/\psi \pi^+ \pi^-)$ for (a) the $\psi(2S)$ and (b) the $X(3872)$ selection criteria for the 5-track selection. |
![]() | The invariant mass $M(J/\psi \pi^+ \pi^-)$ for (a) the $\psi(2S)$ and (b) the $X(3872)$ selection criteria for the 5-track selection. |
![]() | The short-lived component fraction $f_{SL}$ as a function of $p_T$ for the $\psi(2S)$ states. Only statistical uncertainties are shown. |
![]() | Normalized yields of the $\psi(2S)\pi$ (black open circles) and the $X(3872)\pi$ (blue triangles) as functions of isolation for the prompt sample. |
![]() | The ratio of the unnormalized $X(3872)$ and $\psi(2S)$ yields as a function of isolation for the prompt sample. |
![]() | $M(J/\psi \pi^+ \pi^-)$ distribution and fits for the $\psi(2S)$ signal for the prompt subsample for (a) all selected events and (b) events passing the $T(\psi(2S)\pi)<11.8$~MeV cut. |
![]() | $M(J/\psi \pi^+ \pi^-)$ distribution and fits for the $\psi(2S)$ signal for the prompt subsample for (a) all selected events and (b) events passing the $T(\psi(2S)\pi)<11.8$~MeV cut. |
![]() | $M(J/\psi \pi^+ \pi^-)$ distribution and fits for the $X(3872)$ signal for the prompt subsample for (a) all selected events and (b) events passing the $T(X\pi)<11.8$~MeV cut. |
![]() | $M(J/\psi \pi^+ \pi^-)$ distribution and fits for the $X(3872)$ signal for the prompt subsample for (a) all selected events and (b) events passing the $T(X\pi)<11.8$~MeV cut. |
![]() | Transverse momentum distribution of pion candidates for events above and below the $T(X\pi)=11.8$~MeV cutoff for prompt events in the mass range $3.75 |