G. Zhao

collaborators

5 papers

hep-ex2025

Precision measurement of the branching fraction for the decay $ψ (2 S) \to τ^{+} τ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +684

Using $(2259.3 \pm 11.1) \times 1 0^{6}$ $ψ (2 S)$ events acquired with the BESIII detector, the branching fraction of $ψ (2 S) \to τ^{+} τ^{-}$ is measured with improved precision t…

hep-ex2025

Search for $η_{c} (2 S) \to p p ˉ K^{+} K^{-}$ and measurement of $χ_{c J} \to p p ˉ K^{+} K^{-}$ in $ψ (3686)$ radiative decays

M. Ablikim, M. N. Achasov, P. Adlarson +647

A search for $η_{c} (2 S) \to p p ˉ K^{+} K^{-}$ , together with measurement of branching fractions of $χ_{c J (J = 0, 1, 2)} \to p p ˉ K^{+} K^{-}$ in the $ψ (3686) \to γ η_{c} (2 S)$ and the $ψ(3686) \to…

hep-ex2024

Measurement of the Branching Fraction for the Decay $χ_{c J} \to p p ˉ η π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +650

Using $(2712.4 \pm 14.3) \times 1 0^{6} ψ (3686)$ events collected by the BESIII detector operating at the BEPCII collider, we present the first observations of the decays $χ_{cJ}(J=0,1,2…

hep-ex2024

Search for $η_{c} (2 S) \to p p ˉ$ and branching fraction measurements of $χ_{c J} \to p p ˉ$ via $ψ (2 S)$ radiative decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +648

Using $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (2 S)$ events collected by the BESIII detector operating at BEPCII, we search for the decay $η_{c} (2 S) \to p p ˉ$ via the process $ψ(2S)\to γη…

hep-ex2024

Measurement of the branching fraction of the decay $J / ψ \to p p ˉ η$

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

A high precision measurement of the branching fraction of the decay $J / ψ \to p p ˉ η$ is performed using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events recorded by the {BESIII} dete…

Precision measurement of the branching fraction for the decay ψ(2S)→τ+τ−

Search for ηc​(2S)→ppˉ​K+K− and measurement of χcJ​→ppˉ​K+K− in ψ(3686) radiative decays

Measurement of the Branching Fraction for the Decay χcJ​→ppˉ​ηπ0

Search for ηc​(2S)→ppˉ​ and branching fraction measurements of χcJ​→ppˉ​ via ψ(2S) radiative decays

Measurement of the branching fraction of the decay J/ψ→ppˉ​η

Precision measurement of the branching fraction for the decay $ψ (2 S) \to τ^{+} τ^{-}$

Search for $η_{c} (2 S) \to p p ˉ K^{+} K^{-}$ and measurement of $χ_{c J} \to p p ˉ K^{+} K^{-}$ in $ψ (3686)$ radiative decays

Measurement of the Branching Fraction for the Decay $χ_{c J} \to p p ˉ η π^{0}$

Search for $η_{c} (2 S) \to p p ˉ$ and branching fraction measurements of $χ_{c J} \to p p ˉ$ via $ψ (2 S)$ radiative decays

Measurement of the branching fraction of the decay $J / ψ \to p p ˉ η$