H. P. Peng

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hep-ex2026

Observation of the $χ_{c J}$ decays into $p K^{-} Λ ˉ η + c.c.$

BESIII Collaboration, M. Ablikim, M. N. Achasov +780

By analyzing $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the decays $χ_{cJ} \to pK^{-}\barΛη+ \mathrm{c.…

hep-ex2026

Evidence for $η_{c} (2 S) \to p p ˉ π^{+} π^{-} π^{0}$ and observation of $χ_{c J} \to p p ˉ π^{+} π^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +771

Using $(2.712 \pm 0.014) \times 1 0^{9}$ $ψ (3686)$ events collected by the BESIII detector at the BEPCII collider, the $ψ (3686) \to γ p p ˉ π^{+} π^{-} π^{0}$ process is investigated. Evidence…

hep-ex2026

First measurements of the branching fractions of $J / ψ$ and $ψ (3686) \to Σ^{0} Σ ˉ^{0} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +771

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ and $(2712 \pm 14) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, the hadronic decays $J/ψ\to…

hep-ex2026

High-precision measurement of the space-like $η^{'}$ transition form factor

BESIII Collaboration, M. Ablikim, M. N. Achasov +779

Using a data sample corresponding to an integrated luminosity of $20.3 fb^{- 1}$ , collected with the BESIII detector at a center-of-mass energy of $3.773 GeV$ at the…

hep-ex2026

Precision Measurement of Decay Dynamics in $D^{0 (+)} \to π^{- (0)} ℓ^{+} ν_{ℓ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +773

The branching fractions of $D^{0} \to π^{-} e^{+} ν_{e}$ , $D^{0} \to π^{-} μ^{+} ν_{μ}$ , $D^{+} \to π^{0} e^{+} ν_{e}$ , and $D^{+} \to π^{0} μ^{+} ν_{μ}$ are precisely measured, using 20.3 fb $^{- 1}$ of $e^{+} e^{-}$ collision dat…

hep-ex2026

Precision measurements of semleptonic decays $D^{0} \to π^{-} ℓ^{+} ν_{ℓ}$ and $D^{+} \to π^{0} ℓ^{+} ν_{ℓ}$ ( $ℓ = e, μ$ )

BESIII Collaboration, M. Ablikim, M. N. Achasov +773

The branching fractions of $D^{0} \to π^{-} e^{+} ν_{e}$ , $D^{0} \to π^{-} μ^{+} ν_{μ}$ , $D^{+} \to π^{0} e^{+} ν_{e}$ , and $D^{+} \to π^{0} μ^{+} ν_{μ}$ are measured to be $(2.950\pm0.017_{\rm stat.}\pm 0.017_{\rm syst.})\t…

hep-ex2026

Measurement of Born Cross Section for $e^{+} e^{-} \to K_{S}^{0} Ξ ˉ^{+} Σ^{-} + c.c.$ at $s = 3.51 - 4.95$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +759

Using $e^{+} e^{-}$ collision data collected with the BESIII detector at the BEPCII collider corresponding to a total integrated luminosity of 44~fb $^{- 1}$ , we present the first measure…

hep-ex2026

Observation of $η_{c} \to p p ˉ η$ via $ψ (3686) \to γ p p ˉ η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +766

The decay $η_{c} \to p p ˉ η$ is observed for the first time with a significance of exceeding $10 σ$ . It is found by analyzing $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events accumu…

hep-ex2026

Observation and branching fraction measurements of $J / ψ \to p p ˉ K_{S}^{0} K_{S}^{0}$ and $ψ (3686) \to p p ˉ K_{S}^{0} K_{S}^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +765

Using $(10.087 \pm 0.044) \times 1 0^{9}$ $J / ψ$ events and $(2.712 \pm 0.014) \times 1 0^{9}$ $ψ (3686)$ events collected by the BESIII detector operating at the BEPCII collider, we report the fi…

hep-ex2026

Measurement of Born Cross Sections for $e^{+} e^{-} \to K^{+} Ξ^{0} Σ ˉ^{-}$ at $s = 3.51 - 4.95$ GeV and Observation of $ψ (3770) \to K^{+} Ξ^{0} Σ ˉ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +771

Using 44.55 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected by the BESIII detector at the BEPCII collider, we report the first measurement of the Born cross sections for the $e^+e^-…

hep-ex2026

Observation of $η_{c} (1 S) \to Σ^{0} Σ ˉ^{0}$ and search for $h_{c} (1 P) \to Σ^{0} Σ ˉ^{0}$ via $ψ (3686)$ transitions

BESIII Collaboration, M. Ablikim, M. N. Achasov +776

Using $(2712.4 \pm 14.3) \times 1 0^{6} ψ (3686)$ events collected by the BESIII detector operating at the BEPCII collider, the hadronic decay $η_{c} \to Σ^{0} Σ^{0} ˉ$ is observed fo…

hep-ex2026

Amplitude analysis and branching fraction measurement of the decay $D^{0} \to K^{+} K^{-} π^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +770

An amplitude analysis of the singly Cabibbo-suppressed decay $D^{0} \to K^{+} K^{-} π^{0} π^{0}$ is performed, for the first time, to determine the relative magnitudes and phases of differen…

Observation of the χcJ​ decays into pK−Λˉη+c.c.

Evidence for ηc​(2S)→ppˉ​π+π−π0 and observation of χcJ​→ppˉ​π+π−π0

First measurements of the branching fractions of J/ψ and ψ(3686)→Σ0Σˉ0η

High-precision measurement of the space-like η′ transition form factor

Precision Measurement of Decay Dynamics in D0(+)→π−(0)ℓ+νℓ​

Precision measurements of semleptonic decays D0→π−ℓ+νℓ​ and D+→π0ℓ+νℓ​ (ℓ=e,μ)

Measurement of Born Cross Section for e+e−→KS0​Ξˉ+Σ−+c.c. at s​=3.51−4.95 GeV

Observation of ηc​→ppˉ​η via ψ(3686)→γppˉ​η

Observation and branching fraction measurements of J/ψ→ppˉ​KS0​KS0​ and ψ(3686)→ppˉ​KS0​KS0​

Measurement of Born Cross Sections for e+e−→K+Ξ0Σˉ− at s​=3.51−4.95 GeV and Observation of ψ(3770)→K+Ξ0Σˉ−

Observation of ηc​(1S)→Σ0Σˉ0 and search for hc​(1P)→Σ0Σˉ0 via ψ(3686) transitions

Amplitude analysis and branching fraction measurement of the decay D0→K+K−π0π0

Observation of the $χ_{c J}$ decays into $p K^{-} Λ ˉ η + c.c.$

Evidence for $η_{c} (2 S) \to p p ˉ π^{+} π^{-} π^{0}$ and observation of $χ_{c J} \to p p ˉ π^{+} π^{-} π^{0}$

First measurements of the branching fractions of $J / ψ$ and $ψ (3686) \to Σ^{0} Σ ˉ^{0} η$

High-precision measurement of the space-like $η^{'}$ transition form factor

Precision Measurement of Decay Dynamics in $D^{0 (+)} \to π^{- (0)} ℓ^{+} ν_{ℓ}$

Precision measurements of semleptonic decays $D^{0} \to π^{-} ℓ^{+} ν_{ℓ}$ and $D^{+} \to π^{0} ℓ^{+} ν_{ℓ}$ ( $ℓ = e, μ$ )

Measurement of Born Cross Section for $e^{+} e^{-} \to K_{S}^{0} Ξ ˉ^{+} Σ^{-} + c.c.$ at $s = 3.51 - 4.95$ GeV

Observation of $η_{c} \to p p ˉ η$ via $ψ (3686) \to γ p p ˉ η$

Observation and branching fraction measurements of $J / ψ \to p p ˉ K_{S}^{0} K_{S}^{0}$ and $ψ (3686) \to p p ˉ K_{S}^{0} K_{S}^{0}$

Measurement of Born Cross Sections for $e^{+} e^{-} \to K^{+} Ξ^{0} Σ ˉ^{-}$ at $s = 3.51 - 4.95$ GeV and Observation of $ψ (3770) \to K^{+} Ξ^{0} Σ ˉ^{-}$

Observation of $η_{c} (1 S) \to Σ^{0} Σ ˉ^{0}$ and search for $h_{c} (1 P) \to Σ^{0} Σ ˉ^{0}$ via $ψ (3686)$ transitions

Amplitude analysis and branching fraction measurement of the decay $D^{0} \to K^{+} K^{-} π^{0} π^{0}$