H. Bao

activity

20242026

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Hyperons

8 citations · 60 across the 128 of their papers we have counts for

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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

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

Evidence of $ψ (3770) \to π^{0} J / ψ$

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

We report the first evidence for the hadronic transition $ψ (3770) \to π^{0} J / ψ$ using a data sample of $20.3 fb^{- 1}$ collected at $s = 3.773$ ~GeV with the BESIII de…

hep-ex2026

Strong and electromagnetic amplitudes, direct $C P$ and isospin asymmetries in the decays $J / ψ \to K_{S}^{0} K^{+} π^{-} + c . c .$

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

Using $e^{+} e^{-}$ annihilation data collected at 26 center-of-mass energy points between 3000.00 and $3119.88 MeV$ with the BESIII detector, corresponding to a total integrated…

hep-ex2026

Unexpected large relative strong phase and search for isospin breaking and $C P$ asymmetries in $J/ψ\to K^*(892)\bar K

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

Using a direct scan of 26 energy points near the $J / ψ$ resonance, we perform the first measurement of the relative phase $ϕ_{γ, 3 g}$ between the strong and electromagnetic amplitud…

hep-ex2026

Updated measurement of the branching fraction of $D_{s}^{+} \to τ^{+} ν_{τ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +703

Using a dataset of 7.33 fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data collected with the BESIII detector at center-of-mass energies from 4.128 to 4.226 GeV, we report an updated measure…

hep-ex2026

Measurement of the branching fraction of $D_{s}^{*+} \to e^{+} e^{-} D_{s}^{+}$

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

The branching fraction of the electromagnetic Dalitz decay $D_{s}^{*+} \to e^{+} e^{-} D_{s}^{+}$ is measured with an $e^{+} e^{-}$ collision data sample collected by the BESIII experi…

hep-ex2026

Measurement of the ratio of branching fractions $B (B_{c}^{+} \to J / ψ τ^{+} ν_{τ}) / B (B_{c}^{+} \to J / ψ μ^{+} ν_{μ})$

LHCb collaboration, R. Aaij, M. Abdelfatah +1121

A measurement of the ratio of semileptonic branching fractions $R (J ψ)$ , defined as $\mathcal{R}(J/ψ) \equiv \mathcal{B}(B_c^+ \to J/ψτ^+ ν_τ)/\mathcal{B}(B_c^+ \to J/ψμ^+…

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

Study of $ϕ \to K K ˉ$ in the amplitude analysis of $D^{+} \to K_{S}^{0} K_{L}^{0} π^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +772

We present the first amplitude analysis and branching fraction measurement of $D^{+} \to K_{S}^{0} K_{L}^{0} π^{+}$ decay. The analysis uses a dataset corresponding to an int…

hep-ex2026

Measurement of the Absolute Branching Fraction of Xi(1530)^{-} to (Xi pi)^{-} and Updated Measurement of the Branching Fraction of psi(3686) to anti-Xi^{+} Xi(1530)^{-} + c.c

BESIII Collaboration, M. Ablikim, M. N. Achasov +758

Based on (2712.4+-14.3)*10^{6} psi(3686) events collected with the BESIII detector, the decays Xi(1530)^{-} to Xi^{0} pi^{-} and Xi(1530)^{-} to Xi^{-} pi^{0} are investigated join…

hep-ex2026

Observation of the $X (2370)$ in $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ and $J / ψ \to γ π^{0} π^{0} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +769

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, the $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ and $J / ψ \to γ π^{0} π^{0} η$ processes are stu…

hep-ex2026

Measurement of branching fractions of $D_{s}^{+} \to K_{S}^{0} K_{S}^{0} π^{+} π^{0}$ and $D_{s}^{+} \to K_{S}^{0} K^{+} π^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +683

By analyzing $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 7.33~fb $^{- 1}$ collected with the BESIII detector at center-of-mass energies ranging from 4.128 to…

hep-ex2026

Measurement of the double Dalitz decay $η \to e^{+} e^{-} e^{+} e^{-}$

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

Using a data sample of $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected with the BESIII detector, we study the rare double Dalitz decay of $η \to e^{+} e^{-} e^{+} e^{-}$ …

hep-ex2026

Observation of the charmless purely baryonic decay $Λ_{b}^{0} \to Λ p p$

LHCb collaboration, R. Aaij, M. Abdelfatah +1103

A search for the charmless purely baryonic decay $Λ_{b}^{0} \to Λ p p$ is performed using proton-proton collision data recorded by the LHCb experi…

hep-ex2026

Measurement of $γ$ using $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ decays with $D \to K_{S}^{0} π^{+} π^{-}$ and $D \to K_{S}^{0} K^{+} K^{-}$

LHCb collaboration, R. Aaij, M. Abdelfatah +1105

A measurement of the CKM angle $γ$ using the decay channels $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ , where the $D$ meson decays to $D\rightarrow K_{\rm S}^{…

hep-ex2026

First energy scan measurement of $e^{+} e^{-} \to K^{+} K^{-}$ around the $ψ (2 S)$ resonance

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

We report the precise energy scan measurement of the cross section lineshape of $ψ (2 S) \to K^{+} K^{-}$ . The analysis is based on $e^{+} e^{-}$ collision data corresponding to an inte…

hep-ex2026

Observation of $Λ_{c}^{+} \to n π^{+} η$ and search for $Λ_{c}^{+} \to n a_{0} (980)^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +719

By analysing 6.1 $fb^{- 1}$ of data collected at center-of-mass energies between $s = 4.600$ and 4.843 $GeV$ with the BESIII detector at the BEPCII collider, we obser…

hep-ex2026

Amplitude Analysis of Singly Cabibbo-Suppressed Decay $Λ_{c}^{+} \to p K^{+} K^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +683

Using a sample of $e^{+} e^{-}$ annihilation data corresponding to an integrated luminosity of 4.4 $fb^{- 1}$ collected with the BESIII detector at the BEPCII collider and produ…

hep-ex2026

Improved measurements of the coherence factors and strong-phase differences in $D \to K^{-} π^{+} π^{+} π^{-}$ and $D \to K^{-} π^{+} π^{0}$ with quantum-correlated $D D ˉ$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +680

Improved measurements of the coherence factors and strong-phase differences in $D \to K^{-} π^{+} π^{+} π^{-}$ and $D \to K^{-} π^{+} π^{0}$ decays are reported, using quantum-correlated $D D ˉ$ pai…

hep-ex2026

Measurement of the singly Cabibbo-suppressed decay $Λ_{c}^{+} \to p η^{'}$ with Deep Learning

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

Using $4.5$ fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at center-of-mass energies from 4.600 to 4.699 GeV, we report a measurement of the singly Cabibb…

hep-ex2026

Study of $Λ ˉ$ - $p$ Annihilation into Light Mesons

BESIII Collaboration, M. Ablikim, M. N. Achasov +758

The annihilation of $Λ ˉ$ - $p$ into light mesons is studied using $(10.087 \pm 0.044) \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector at the BEPCII storage ring. The $\…

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

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​

Evidence of ψ(3770)→π0J/ψ

Strong and electromagnetic amplitudes, direct CP and isospin asymmetries in the decays J/ψ→KS0​K+π−+c.c.

Unexpected large relative strong phase and search for isospin breaking and CP asymmetries in $J/ψ\to K^*(892)\bar K

Updated measurement of the branching fraction of Ds+​→τ+ντ​

Measurement of the branching fraction of Ds∗+​→e+e−Ds+​

Measurement of the ratio of branching fractions B(Bc+​→J/ψτ+ντ​)/B(Bc+​→J/ψμ+νμ​)

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

Study of ϕ→KKˉ in the amplitude analysis of D+→KS0​KL0​π+

Measurement of the Absolute Branching Fraction of Xi(1530)^{-} to (Xi pi)^{-} and Updated Measurement of the Branching Fraction of psi(3686) to anti-Xi^{+} Xi(1530)^{-} + c.c

Observation of the X(2370) in J/ψ→γKS0​KS0​π0 and J/ψ→γπ0π0η

Measurement of branching fractions of Ds+​→KS0​KS0​π+π0 and Ds+​→KS0​K+π0π0

Measurement of the double Dalitz decay η→e+e−e+e−

Observation of the charmless purely baryonic decay Λb0​→Λpp​

Measurement of γ using B±→DK± and B±→Dπ± decays with D→KS0​π+π− and D→KS0​K+K−

First energy scan measurement of e+e−→K+K− around the ψ(2S) resonance

Observation of Λc+​→nπ+η and search for Λc+​→na0​(980)+

Amplitude Analysis of Singly Cabibbo-Suppressed Decay Λc+​→pK+K−

Improved measurements of the coherence factors and strong-phase differences in D→K−π+π+π− and D→K−π+π0 with quantum-correlated DDˉ decays

Measurement of the singly Cabibbo-suppressed decay Λc+​→pη′ with Deep Learning

Study of Λˉ-p Annihilation into Light Mesons

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

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 $ψ (3686) \to p p ˉ K_{S}^{0} K_{S}^{0}$

Evidence of $ψ (3770) \to π^{0} J / ψ$

Strong and electromagnetic amplitudes, direct $C P$ and isospin asymmetries in the decays $J / ψ \to K_{S}^{0} K^{+} π^{-} + c . c .$

Unexpected large relative strong phase and search for isospin breaking and $C P$ asymmetries in $J/ψ\to K^*(892)\bar K

Updated measurement of the branching fraction of $D_{s}^{+} \to τ^{+} ν_{τ}$

Measurement of the branching fraction of $D_{s}^{*+} \to e^{+} e^{-} D_{s}^{+}$

Measurement of the ratio of branching fractions $B (B_{c}^{+} \to J / ψ τ^{+} ν_{τ}) / B (B_{c}^{+} \to J / ψ μ^{+} ν_{μ})$

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

Study of $ϕ \to K K ˉ$ in the amplitude analysis of $D^{+} \to K_{S}^{0} K_{L}^{0} π^{+}$

Observation of the $X (2370)$ in $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ and $J / ψ \to γ π^{0} π^{0} η$

Measurement of branching fractions of $D_{s}^{+} \to K_{S}^{0} K_{S}^{0} π^{+} π^{0}$ and $D_{s}^{+} \to K_{S}^{0} K^{+} π^{0} π^{0}$

Measurement of the double Dalitz decay $η \to e^{+} e^{-} e^{+} e^{-}$

Observation of the charmless purely baryonic decay $Λ_{b}^{0} \to Λ p p$

Measurement of $γ$ using $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ decays with $D \to K_{S}^{0} π^{+} π^{-}$ and $D \to K_{S}^{0} K^{+} K^{-}$

First energy scan measurement of $e^{+} e^{-} \to K^{+} K^{-}$ around the $ψ (2 S)$ resonance

Observation of $Λ_{c}^{+} \to n π^{+} η$ and search for $Λ_{c}^{+} \to n a_{0} (980)^{+}$

Amplitude Analysis of Singly Cabibbo-Suppressed Decay $Λ_{c}^{+} \to p K^{+} K^{-}$

Improved measurements of the coherence factors and strong-phase differences in $D \to K^{-} π^{+} π^{+} π^{-}$ and $D \to K^{-} π^{+} π^{0}$ with quantum-correlated $D D ˉ$ decays

Measurement of the singly Cabibbo-suppressed decay $Λ_{c}^{+} \to p η^{'}$ with Deep Learning

Study of $Λ ˉ$ - $p$ Annihilation into Light Mesons