Z. Y. Zhang

collaborators

3 papers

hep-ex2025

Precise Measurement of Chromoelectric Dipole Moment of the Charm Quark

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

The combined symmetry of charge conjugation and parity ( $C P$ ) is tested in the hadronic transition $ψ (3686) \to π^{+} π^{-} J / ψ$ , using a dataset of $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ(3686…

hep-ex2025

Observation of $χ_{c J} (J = 0, 1, 2) \to p p ˉ η η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +677

Using $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected by the BESIII detector operating at the BEPCII storage ring, the decays $χ_{c J} (J = 0, 1, 2) \to p p ˉ η η$ are obs…

hep-ex2024

Measurement of the $e^{+} e^{-} \to p p ˉ π^{0}$ cross section at $s = 2.1000 - 3.0800$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +645

The process $e^{+} e^{-} \to p p ˉ π^{0}$ is studied at 20 center-of-mass energies ranging from 2.1000 to 3.0800 GeV using 636.8 pb $^{- 1}$ of data collected with the BESIII detecto…

Precise Measurement of Chromoelectric Dipole Moment of the Charm Quark

Observation of χcJ​(J=0,1,2)→ppˉ​ηη

Measurement of the e+e−→ppˉ​π0 cross section at s​=2.1000−3.0800 GeV

Observation of $χ_{c J} (J = 0, 1, 2) \to p p ˉ η η$

Measurement of the $e^{+} e^{-} \to p p ˉ π^{0}$ cross section at $s = 2.1000 - 3.0800$ GeV