Y. Lyu

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20242026

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13 citations · 54 across the 118 of their papers we have counts for

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hep-ex2026

First Observation of the Radiative Decay $D^{0} \to γ ω$

BESIII Collaboration, M. Ablikim, M. N. Achasov +767

We report the first observation of the radiative charm decay $D^{0} \to γ ω$ with a significance of $6.0 σ$ . The analysis uses 20.3\, $fb^{- 1}$ of $e^{+} e^{-}$ collision data collected…

hep-ex2026

Determination of $U$ -spin breaking parameters with an amplitude analysis of the decay $D^{0} \to K_{S, L}^{0} π^{+} π^{-}$

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

We perform a simultaneous amplitude analysis of the decays $D^{0} \to K_{S}^{0} π^{+} π^{-}$ and $D^{0} \to K_{L}^{0} π^{+} π^{-}$ using an $e^{+} e^{-}$ collision data sample, co…

hep-ex2026

Observation of $D^{+} \to K^{* 0} ρ^{+}$ and $D^{+} \to K^{*+} ρ^{0}$ in Doubly Cabibbo-Suppressed Decay $D^{+} \to K^{+} π^{+} π^{-} π^{0}$

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

By analyzing an $e^{+} e^{-}$ collision data sample with an integrated luminosity of 20.3 fb $^{- 1}$ collected with the BESIII detector at the center-of-mass energy of 3.773 GeV, we perf…

hep-ex2026

Observation of $η (2600)$ and Threshold Enhancements in the $Λ Λ ˉ$ System

BESIII Collaboration, M. Ablikim, M. N. Achasov +716

Using $2712.4 \pm 14.3$ million $ψ (3686)$ events collected with the BESIII detector, the $Λ Λ ˉ$ system produced in $ψ (3686)$ radiative decays is studied. A model-independent part…

hep-ex2026

Evidence for the semileptonic decay $Λ_{c}^{+} \to p π^{-} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +750

Based on $4.5 fb^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at the BEPCII collider at center-of-mass energies between $4.600 GeV$ and…

hep-ex2026

First Observation and Dynamical Study of the $D_{s}^{+} \to f_{0} (980) μ^{+} ν_{μ}$ Decay

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

Using 7.33 fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data recorded with the BESIII detector at center-of-mass energies from 4.128 to 4.226 GeV, we report the first observation and dynamic…

hep-ex2026

Search for the doubly Cabibbo-suppressed decays $D^{0} \to K^{+} π^{-} η^{'}$ and $D^{+} \to K^{+} π^{0} η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +774

We present the first search for the doubly Cabibbo-suppressed decays $D^{0} \to K^{+} π^{-} η^{'}$ and $D^{+} \to K^{+} π^{0} η^{'}$ using an $e^{+} e^{-}$ collision data sample corresponding to an…

hep-ex2026

Study of $K_{S}^{0}$ - $K_{L}^{0}$ asymmetry in the decays $D^{0} \to K_{S}^{0} ω$ and $D^{0} \to K_{L}^{0} ω$

BESIII Collaboration, M. Ablikim, M. N. Achasov +760

Based on $e^{+} e^{-}$ annihilation data corresponding to an integrated luminosity of 7.93~ $f b^{- 1}$ collected at a center-of-mass energy of 3.773 GeV with the BESIII detector at the B…

hep-ex2026

Measurement of Branching Fraction and Transition Magnetic Moment of the Hyperon Dalitz Decay $Σ^{0} \to Λ e^{+} e^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +685

Based on a data sample of 10 billion $J / ψ$ events collected with the BESIII detector operating at the BEPCII collider, the Dalitz decay $Σ^{0} \to Λ e^{+} e^{-}$ is studied experim…

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

Search for the charged lepton flavour violating decay $η^{'} \to e μ$

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

Based on $(8998 \pm 40) \times 1 0^{6}$ $J / ψ$ events collected in $e^{+} e^{-}$ collisions at $s = 3.097$ GeV with the BESIII detector, we present a search for the charged lepton flavou…

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

First Measurement of the Relative Phase between Proton Psionic Form Factors

BESIII Collaboration, M. Ablikim, M. N. Achasov +754

The relative phase between the time-like form factors of the proton is a crucial observable for a complete understanding of its internal structure, yet it has remained unmeasured d…

hep-ex2026

Search for an isoscalar partner of the $Z_{c} (3900)$ in $e^{+} e^{-} \to π^{+} π^{-} η J / ψ$

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

Using a data sample corresponding to an integrated luminosity of 20.3 fb $^{- 1}$ collected at center-of-mass energies from 4.18 to 4.95 GeV with the BESIII detector, we observe the…

hep-ex2026

Study of the $e^{+} e^{-} \to π^{+} π^{-} D_{s}^{+} D_{s}^{-}$ process from $s$ = 4.42 to 4.95 GeV at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +782

Based on $8.5 fb^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies between 4.42 and 4.95 GeV with the BESIII detector at the BEPCII storage ring, we inves…

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

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

First Measurement of the $D_{s}^{+} \to K^{} (892)^{0} μ^{+} ν_{μ}$ Decay, Study of Dynamics and Test of Lepton Universality with $D_{s}^{+} \to K^{} (892)^{0} ℓ^{+} ν_{ℓ}$ Decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +715

We report the first measurement of the semileptonic decay $D_{s}^{+} \to K^{*} (892)^{0} μ^{+} ν_{μ}$ and an improved measurement of the decay $D_{s}^{+} \to K^{*} (892)^{0} e^{+} ν_{e}$ usin…

hep-ex2026

Observation of a Doubly-strange Hyperon $Ξ (1720)$ in $J / ψ \to K^{-} Σ^{0} Ξ ˉ^{+} + c . c .$

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

Based on a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector at BEPCII, we report the first observation of the decay $J/ψ\rightarrow K^- Σ^0 \b…

hep-ex2026

Amplitude Analysis of the Isospin-Violating Decay $J / ψ \to γ η π^{0}$

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

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, we perform the first amplitude analysis of the process $J / ψ \to γ η π^{0}$ . The decay is dominated b…

hep-ex2026

Observation of the Exotic State $π_{1} (1600)$ in $ψ (2 S) \to γ χ_{c 1}, χ_{c 1} \to π^{+} π^{-} η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +750

A partial wave analysis of the process $ψ (2 S) \to γ χ_{c 1}, χ_{c 1} \to π^{+} π^{-} η^{'}$ is performed using $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (2 S)$ events collected with t…

hep-ex2026

Search for the radiative decays $D^{0} \to γ K ˉ_{1} (1270)^{0}$ and $D^{+} \to γ K_{1} (1270)^{+}$

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

A search for the radiative decays $D^{0} \to γ K ˉ_{1} (1270)^{0}$ and $D^{+} \to γ K_{1} (1270)^{+}$ is conducted using $20.3 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at the cen…

First Observation of the Radiative Decay D0→γω

Determination of U-spin breaking parameters with an amplitude analysis of the decay D0→KS,L0​π+π−

Observation of D+→K∗0ρ+ and D+→K∗+ρ0 in Doubly Cabibbo-Suppressed Decay D+→K+π+π−π0

Observation of η(2600) and Threshold Enhancements in the ΛΛˉ System

Evidence for the semileptonic decay Λc+​→pπ−e+νe​

First Observation and Dynamical Study of the Ds+​→f0​(980)μ+νμ​ Decay

Search for the doubly Cabibbo-suppressed decays D0→K+π−η′ and D+→K+π0η′

Study of KS0​-KL0​ asymmetry in the decays D0→KS0​ω and D0→KL0​ω

Measurement of Branching Fraction and Transition Magnetic Moment of the Hyperon Dalitz Decay Σ0→Λe+e−

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

Search for the charged lepton flavour violating decay η′→eμ

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)

First Measurement of the Relative Phase between Proton Psionic Form Factors

Search for an isoscalar partner of the Zc​(3900) in e+e−→π+π−ηJ/ψ

Study of the e+e−→π+π−Ds+​Ds−​ process from s​ = 4.42 to 4.95 GeV at BESIII

Evidence of ψ(3770)→π0J/ψ

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​

First Measurement of the Ds+​→K∗(892)0μ+νμ​ Decay, Study of Dynamics and Test of Lepton Universality with Ds+​→K∗(892)0ℓ+νℓ​ Decays

Observation of a Doubly-strange Hyperon Ξ(1720) in J/ψ→K−Σ0Ξˉ++c.c.

Amplitude Analysis of the Isospin-Violating Decay J/ψ→γηπ0

Observation of the Exotic State π1​(1600) in ψ(2S)→γχc1​,χc1​→π+π−η′

Search for the radiative decays D0→γKˉ1​(1270)0 and D+→γK1​(1270)+

First Observation of the Radiative Decay $D^{0} \to γ ω$

Determination of $U$ -spin breaking parameters with an amplitude analysis of the decay $D^{0} \to K_{S, L}^{0} π^{+} π^{-}$

Observation of $D^{+} \to K^{* 0} ρ^{+}$ and $D^{+} \to K^{*+} ρ^{0}$ in Doubly Cabibbo-Suppressed Decay $D^{+} \to K^{+} π^{+} π^{-} π^{0}$

Observation of $η (2600)$ and Threshold Enhancements in the $Λ Λ ˉ$ System

Evidence for the semileptonic decay $Λ_{c}^{+} \to p π^{-} e^{+} ν_{e}$

First Observation and Dynamical Study of the $D_{s}^{+} \to f_{0} (980) μ^{+} ν_{μ}$ Decay

Search for the doubly Cabibbo-suppressed decays $D^{0} \to K^{+} π^{-} η^{'}$ and $D^{+} \to K^{+} π^{0} η^{'}$

Study of $K_{S}^{0}$ - $K_{L}^{0}$ asymmetry in the decays $D^{0} \to K_{S}^{0} ω$ and $D^{0} \to K_{L}^{0} ω$

Measurement of Branching Fraction and Transition Magnetic Moment of the Hyperon Dalitz Decay $Σ^{0} \to Λ e^{+} e^{-}$

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

Search for the charged lepton flavour violating decay $η^{'} \to e μ$

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 $D^{+} \to π^{0} ℓ^{+} ν_{ℓ}$ ( $ℓ = e, μ$ )

Search for an isoscalar partner of the $Z_{c} (3900)$ in $e^{+} e^{-} \to π^{+} π^{-} η J / ψ$

Study of the $e^{+} e^{-} \to π^{+} π^{-} D_{s}^{+} D_{s}^{-}$ process from $s$ = 4.42 to 4.95 GeV at BESIII

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

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 $D_{s}^{+} \to τ^{+} ν_{τ}$

First Measurement of the $D_{s}^{+} \to K^{} (892)^{0} μ^{+} ν_{μ}$ Decay, Study of Dynamics and Test of Lepton Universality with $D_{s}^{+} \to K^{} (892)^{0} ℓ^{+} ν_{ℓ}$ Decays

Observation of a Doubly-strange Hyperon $Ξ (1720)$ in $J / ψ \to K^{-} Σ^{0} Ξ ˉ^{+} + c . c .$

Amplitude Analysis of the Isospin-Violating Decay $J / ψ \to γ η π^{0}$

Observation of the Exotic State $π_{1} (1600)$ in $ψ (2 S) \to γ χ_{c 1}, χ_{c 1} \to π^{+} π^{-} η^{'}$

Search for the radiative decays $D^{0} \to γ K ˉ_{1} (1270)^{0}$ and $D^{+} \to γ K_{1} (1270)^{+}$