Speaker
Description
Inspired by the BESIII newest observation of X(2370) glueball-like particle production in e+e- collisions, we study its production in e+e- and proton-proton collisions at \SQRT{ s } = 4.95 and 13 TeV with a parton and hadron cascade model PACIAE, respectively. In this model, the final partonic state (FPS) and final hadronic state (FHS) are consecutively simulated and recorded. The X(2370) glueball- or tetraquark-state is then recombined by two gluons or four strange quarks $ s s \bar{s} \bar{s} $ in the FPS using the quantum
statistical mechanics inspired dynamically constrained phase-space coalescence (DCPC) model. The X(2370) molecular-state is recombined by the baryon-antibaryon of $ \Lambda - \bar{ \Lambda }, \Sigma - \bar{ \Sigma }$, or three mesons of $ \pi^+ \pi^- \eta , K^+ K^- \eta $, or $ K^0_S K^0_S \eta $ in the FHS using DCPC model. Significant discrepancies in the transverse momentum ( $p_T$ ) and rapidity ( $ y $ ) distributions among the X(2370) glueball-, tetraquark-, and molecular-state are observed. Thus both of pT and y distributions could serve as valuable criteria to identify different states of the X(2370).
| Internet talk | No |
|---|---|
| Is this an abstract from experimental collaboration? | No |
| Is the speaker for that presentation defined? | Yes |
