Y. Xu

activity

20072024

most citedSTCF Conceptual Design Report: Volume 1 -- Physics & Detector

219 citations · 785 across the 74 of their papers we have counts for

collaborators

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72 papers · 1 filter

hep-ex2024★ 3 cited

Observation of the semileptonic decays $D^{0} \to K_{S}^{0} π^{-} π^{0} e^{+} ν_{e}$ and $D^{+} \to K_{S}^{0} π^{+} π^{-} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

By analyzing $e^{+} e^{-}$ annihilation data corresponding to an integrated luminosity of 2.93 $f b^{- 1}$ collected at a center-of-mass energy of 3.773 GeV with the \text{BESIII} det…

hep-ex2024

Search for the production of deuterons and antideuterons in e^+e^- annihilation at center-of-mass energies between 4.13 and 4.70 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +603

Using a data sample of $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 19 fb $^{- 1}$ collected with the BESIII detector at the BEPCII collider, we search for th…

hep-ex2024

First measurements of the absolute branching fraction of $Λ_{c} (2625)^{+} \to Λ_{c}^{+} π^{+} π^{-}$ and upper limit on $Λ_{c} (2595)^{+} \to Λ_{c}^{+} π^{+} π^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +613

The absolute branching fraction of the decay $Λ_{c} (2625)^{+} \to Λ_{c}^{+} π^{+} π^{-}$ is measured for the first time to be $(50.7 \pm 5. 0_{stat.} \pm 4. 9_{syst.}) %$ with 36…

hep-ex2024★ 4 cited

Observation of $D^{+} \to f_{0} (500) μ^{+} ν_{μ}$ and study of $D^{+} \to π^{+} π^{-} ℓ^{+} ν_{ℓ}$ decay dynamics

BESIII Collaboration, M. Ablikim, M. N. Achasov +619

Using $2.93 fb^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at the center-of-mass energy of 3.773 GeV,we investigate the semileptonic decays $D^+\to…

hep-ex2024★ 1 cited

Partial Wave Analysis of $J / ψ \to γ γ ϕ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

Using a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected by the BESIII detector at the BEPCII collider, a partial-wave analysis of the decay $γ γ ϕ$ is performed to invest…

hep-ex2023

Search for $D^{0} \to K_{S}^{0} K^{-} e^{+} ν_{e}$ , $D^{+} \to K_{S}^{0} K_{S}^{0} e^{+} ν_{e}$ , and $D^{+} \to K^{+} K^{-} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

A search has been performed for the semileptonic decays $D^{0} \to K_{S}^{0} K^{-} e^{+} ν_{e}$ , $D^{+} \to K_{S}^{0} K_{S}^{0} e^{+} ν_{e}$ and $D^{+} \to K^{+} K^{-} e^{+} ν_{e}$ , using…

hep-ex2023★ 40 cited

Determination of spin-parity quantum numbers of X(2370) as $0^{-+}$ from $J / ψ \to γ K_{S}^{0} K_{S}^{0} η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +616

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, a partial wave analysis of the decay $J / ψ \to γ K_{S}^{0} K_{S}^{0} η^{'}$ is performed…

hep-ex2023★ 5 cited

Measurement of the cross sections for $e^{+} e^{-} \to η π^{+} π^{-}$ at center-of-mass energies between 2.00 and 3.08 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +616

Using data samples collected at center-of-mass energies between 2.000 and 3.080 GeV with the BESIII detector operating at the BEPCII collider, a partial-wave analysis is performed…

hep-ex2023★ 5 cited

Improved measurement of the decays $η^{'} \to π^{+} π^{-} π^{+ (0)} π^{- (0)}$ and search for the rare decay $η^{'} \to 4 π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +617

Using a sample of 10 billion $J / ψ$ events collected with the BESIII detector, the decays $η^{'} \to π^{+} π^{-} π^{+} π^{-}$ , $η^{'} \to π^{+} π^{-} π^{0} π^{0}$ and $η^{'} \to 4 π^{0}$ are studi…

hep-ex2023

Study of the decay $J / ψ \to ϕ π^{0} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

Based on $(10.09 \pm 0.04) \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector operating at the BEPCII collider, a partial wave analysis of the decay $J / ψ \to ϕ π^{0} η$ is p…

hep-ex2023★ 7 cited

Evidence of the Singly Cabibbo Suppressed decay $Λ_{c}^{+} \to p π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +610

Evidence for the singly Cabibbo suppressed decay $Λ_{c}^{+} \to p π^{0}$ is reported for the first time with a statistical significance of $3.7 σ$ based on 6.0 $fb^{- 1}$ of $e^+e^-…

hep-ex2023

Observation and branching fraction measurement of the decay $J / ψ \to p ˉ Σ^{+} K_{S}^{0} + c . c .$

M. Ablikim, M. N. Achasov, P. Adlarson +612

The first observation of the decays $J / ψ \to p ˉ Σ^{+} K_{S}^{0}$ and $J / ψ \to p Σ ˉ^{-} K_{S}^{0}$ is reported using $(10087 \pm 44) \times 1 0^{6}$ $J\!/\!…

hep-ex2023★ 2 cited

Observation of the $ψ (3686)$ decays into $Σ^{+} Σ ˉ^{-} ω$ and $Σ^{+} Σ ˉ^{-} ϕ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

Based on $(27.08 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the $ψ (3686) \to Σ^{+} Σ ˉ^{-} ω$ and $Σ^{+} Σ ˉ^{-} ϕ$ d…

hep-ex2023★ 1 cited

Search for $J / ψ$ weak decays containing $D$ meson

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

Using a sample of about 10 billion $J / ψ$ events with the BESIII detector, we search for the weak decays of $J / ψ \to D ˉ^{0} π^{0} + c . c .$ , $J / ψ \to D ˉ^{0} η + c . c .$ , $J/ψ\to \bar{D}^…

hep-ex2023★ 17 cited

Observation of the Anomalous Shape of $X (1840)$ in $J / ψ \to γ 3 (π^{+} π^{-})$ Indicating a Second Resonance Near $p p ˉ$ Threshold

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

Using a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events, which is about 45 times larger than that was previously analyzed, a further investigation on the $J/ψ\rightarrow γ3(π^+π^-…

hep-ex2023★ 5 cited

Measurements of the absolute branching fractions of $Ω^{-}$ decays and test of the $Δ I = 1/2$ rule

BESIII Collaboration, M. Ablikim, M. N. Achasov +610

Based on a data set of $(27.12 \pm 0.10) \times 1 0^{8}$ $ψ (3686)$ events collected at the BESIII experiment, the absolute branching fractions of the three dominant $Ω^{-}$ decays are meas…

hep-ex2023★ 6 cited

Novel method to extract the femtometer structure of strange baryons using the vacuum polarization effect

BESIII Collaboration, M. Ablikim, M. N. Achasov +572

One of the fundamental goals of particle physics is to gain microscopic understanding of the strong interaction. Electromagnetic form factors quantify the structure of hadrons in t…

hep-ex2023

Search for the semileptonic decays $D_{s}^{+} \to K_{1} (1270)^{0} e^{+} ν_{e}$ and $D_{s}^{+} \to b_{1} (1235)^{0} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

By analyzing 7.33\,fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, we search for the semileptonic de…

hep-ex2023★ 3 cited

A coupled-channel analysis of the $X (3872)$ lineshape with BESIII data

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

We perform a study of the $X (3872)$ lineshape using the data samples of $e^{+} e^{-} \to γ X (3872)$ , $X (3872) \to D^{0} D ˉ^{0} π^{0}$ and $π^{+} π^{-} J / ψ$ collected with the BESIII detector. The…

hep-ex2023

Investigation of the $Δ I = 1/2$ rule and test of CP violation through the measurement of decay asymmetry parameters in $Ξ^{-}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, numerous $Ξ^{-}$ and $Λ$ decay asymmetry parameters are simultaneously determined from the process…

hep-ex2023★ 3 cited

Measurement of the $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0} π^{0}$ cross sections from $s =$ 2.000 to 3.080 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

Based on $e^{+} e^{-}$ collision data collected at center-of-mass energies from 2.000 to 3.080 GeV by the BESIII detector at the BEPCII collider, a partial wave analysis is performe…

hep-ex2023★ 12 cited

Observation of $D^{+} \to K_{S}^{0} a_{0} (980)^{+}$ in the amplitude analysis of $D^{+} \to K_{S}^{0} π^{+} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

We perform for the first time an amplitude analysis of the decay $D^{+} \to K_{S}^{0} π^{+} η$ and report the observation of the decay $D^{+} \to K_{S}^{0} a_{0} (980)^{+}$ using 2.93 fb$^…

hep-ex2023★ 14 cited

Measurement of the cross section of $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ at center-of-mass energies between 3.510 and 4.843 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +610

Using $e^{+} e^{-}$ collision data corresponding to a total integrated luminosity of 12.9 $f b^{- 1}$ collected with the BESIII detector at the BEPCII collider, the exclusive Born cross s…

hep-ex2023

Improved measurement of the branching fractions for $J / ψ \to γ π^{0}$ , $γ η$ and $γ η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +609

Using a data sample of $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected with the BESIII detector, the decays of $J / ψ \to γ π^{0} (η, η^{'}) \to γ γ γ$ are studied. Newly measu…

Observation of the semileptonic decays D0→KS0​π−π0e+νe​ and D+→KS0​π+π−e+νe​

Search for the production of deuterons and antideuterons in e^+e^- annihilation at center-of-mass energies between 4.13 and 4.70 GeV

First measurements of the absolute branching fraction of Λc​(2625)+→Λc+​π+π− and upper limit on Λc​(2595)+→Λc+​π+π−

Observation of D+→f0​(500)μ+νμ​ and study of D+→π+π−ℓ+νℓ​ decay dynamics

Partial Wave Analysis of J/ψ→γγϕ

Search for D0→KS0​K−e+νe​, D+→KS0​KS0​e+νe​, and D+→K+K−e+νe​

Determination of spin-parity quantum numbers of X(2370) as 0−+ from J/ψ→γKS0​KS0​η′

Measurement of the cross sections for e+e−→ηπ+π− at center-of-mass energies between 2.00 and 3.08 GeV

Improved measurement of the decays η′→π+π−π+(0)π−(0) and search for the rare decay η′→4π0

Study of the decay J/ψ→ϕπ0η

Evidence of the Singly Cabibbo Suppressed decay Λc+​→pπ0

Observation and branching fraction measurement of the decay J/ψ→pˉ​Σ+KS0​+c.c.

Observation of the ψ(3686) decays into Σ+Σˉ−ω and Σ+Σˉ−ϕ

Search for J/ψ weak decays containing D meson

Observation of the Anomalous Shape of X(1840) in J/ψ→γ3(π+π−) Indicating a Second Resonance Near ppˉ​ Threshold

Measurements of the absolute branching fractions of Ω− decays and test of the ΔI=1/2 rule

Novel method to extract the femtometer structure of strange baryons using the vacuum polarization effect

Search for the semileptonic decays Ds+​→K1​(1270)0e+νe​ and Ds+​→b1​(1235)0e+νe​

A coupled-channel analysis of the X(3872) lineshape with BESIII data

Investigation of the ΔI=1/2 rule and test of CP violation through the measurement of decay asymmetry parameters in Ξ− decays

Measurement of the e+e−→KS0​KL0​π0 cross sections from s​= 2.000 to 3.080 GeV

Observation of D+→KS0​a0​(980)+ in the amplitude analysis of D+→KS0​π+η

Measurement of the cross section of e+e−→Ξ−Ξˉ+ at center-of-mass energies between 3.510 and 4.843 GeV

Improved measurement of the branching fractions for J/ψ→γπ0, γη and γη′

Observation of the semileptonic decays $D^{0} \to K_{S}^{0} π^{-} π^{0} e^{+} ν_{e}$ and $D^{+} \to K_{S}^{0} π^{+} π^{-} e^{+} ν_{e}$

First measurements of the absolute branching fraction of $Λ_{c} (2625)^{+} \to Λ_{c}^{+} π^{+} π^{-}$ and upper limit on $Λ_{c} (2595)^{+} \to Λ_{c}^{+} π^{+} π^{-}$

Observation of $D^{+} \to f_{0} (500) μ^{+} ν_{μ}$ and study of $D^{+} \to π^{+} π^{-} ℓ^{+} ν_{ℓ}$ decay dynamics

Partial Wave Analysis of $J / ψ \to γ γ ϕ$

Search for $D^{0} \to K_{S}^{0} K^{-} e^{+} ν_{e}$ , $D^{+} \to K_{S}^{0} K_{S}^{0} e^{+} ν_{e}$ , and $D^{+} \to K^{+} K^{-} e^{+} ν_{e}$

Determination of spin-parity quantum numbers of X(2370) as $0^{-+}$ from $J / ψ \to γ K_{S}^{0} K_{S}^{0} η^{'}$

Measurement of the cross sections for $e^{+} e^{-} \to η π^{+} π^{-}$ at center-of-mass energies between 2.00 and 3.08 GeV

Improved measurement of the decays $η^{'} \to π^{+} π^{-} π^{+ (0)} π^{- (0)}$ and search for the rare decay $η^{'} \to 4 π^{0}$

Study of the decay $J / ψ \to ϕ π^{0} η$

Evidence of the Singly Cabibbo Suppressed decay $Λ_{c}^{+} \to p π^{0}$

Observation and branching fraction measurement of the decay $J / ψ \to p ˉ Σ^{+} K_{S}^{0} + c . c .$

Observation of the $ψ (3686)$ decays into $Σ^{+} Σ ˉ^{-} ω$ and $Σ^{+} Σ ˉ^{-} ϕ$

Search for $J / ψ$ weak decays containing $D$ meson

Observation of the Anomalous Shape of $X (1840)$ in $J / ψ \to γ 3 (π^{+} π^{-})$ Indicating a Second Resonance Near $p p ˉ$ Threshold

Measurements of the absolute branching fractions of $Ω^{-}$ decays and test of the $Δ I = 1/2$ rule

Search for the semileptonic decays $D_{s}^{+} \to K_{1} (1270)^{0} e^{+} ν_{e}$ and $D_{s}^{+} \to b_{1} (1235)^{0} e^{+} ν_{e}$

A coupled-channel analysis of the $X (3872)$ lineshape with BESIII data

Investigation of the $Δ I = 1/2$ rule and test of CP violation through the measurement of decay asymmetry parameters in $Ξ^{-}$ decays

Measurement of the $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0} π^{0}$ cross sections from $s =$ 2.000 to 3.080 GeV

Observation of $D^{+} \to K_{S}^{0} a_{0} (980)^{+}$ in the amplitude analysis of $D^{+} \to K_{S}^{0} π^{+} η$

Measurement of the cross section of $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ at center-of-mass energies between 3.510 and 4.843 GeV

Improved measurement of the branching fractions for $J / ψ \to γ π^{0}$ , $γ η$ and $γ η^{'}$