X.-Y. Gao

activity

20042026

e^{+} e^{-} \to π^{+} π^{-} J / ψ

cross section at center-of-mass energies from 3.77 to 4.60 GeV

264 citations · 2.1k across the 51 of their papers we have counts for

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26 papers · 1 filter

hep-ex2017★ 13 cited

Measurement of higher-order multipole amplitudes in $ψ (3686) \to γ χ_{c 1, 2}$ with $χ_{c 1, 2} \to γ J / ψ$ and search for the transition $η_{c} (2 S) \to γ J / ψ$

M. Ablikim, M. N. Achasov, X. C. Ai +424

Using 106~million $ψ (3686)$ events collected with the BESIII detector, we measure multipole amplitudes for the decay $ψ (3686) \to γ χ_{c 1, 2} \to γ γ J / ψ$ beyond the dominant elect…

hep-ex2016★ 264 cited

Precise measurement of the $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ cross section at center-of-mass energies from 3.77 to 4.60 GeV

M. Ablikim, M. N. Achasov, X. C. Ai +412

The cross section for the process $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ is measured precisely at center-of-mass energies from 3.77 to 4.60~GeV using 9~fb $^{- 1}$ of data collected with the BESIII d…

hep-ex2016★ 13 cited

Observation of $J / ψ \to γ η π^{0}$

M. Ablikim, M. N. Achasov, X. C. Ai +412

We present the first study of the process $J / ψ \to γ η π^{0}$ using $(223.7 \pm 1.4) \times 1 0^{6}$ $J / ψ$ events accumulated with the BESIII detector at the BEPCII facility. The b…

hep-ex2016★ 33 cited

Measurement of the $D_{s}^{+} \to ℓ^{+} ν_{ℓ}$ branching fractions and the decay constant $f_{D_{s}^{+}}$

M. Ablikim, M. N. Achasov, X. C. Ai +412

Using 482~pb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at a center-of-mass energy of $s = 4.009$ GeV with the BESIII detector, we measure the branching fractions of the de…

hep-ex2016★ 18 cited

Measurements of the absolute branching fractions for $D_{s}^{+} \to η e^{+} ν_{e}$ and $D_{s}^{+} \to η^{'} e^{+} ν_{e}$

M. Ablikim, M. N. Achasov, X. C. Ai +412

By analyzing 482 pb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at $s = 4.009$ GeV with the BESIII detector at the BEPCII collider, we measure the absolute branching fractions…

hep-ex2016★ 65 cited

Determination of the number of $J / ψ$ events with inclusive $J / ψ$ decays

M. Ablikim, M. N. Achasov, X. C. Ai +405

A measurement of the number of $J / ψ$ events collected with the BESIII detector in 2009 and 2012 is performed using inclusive decays of the $J / ψ$ . The number of $J / ψ$ events taken…

hep-ex2016★ 51 cited

Improved measurement of the absolute branching fraction of $D^{+} \to K ˉ^{0} μ^{+} ν_{μ}$

M. Ablikim, M. N. Achasov, X. C. Ai +419

By analyzing 2.93 fb $^{- 1}$ of data collected at $s = 3.773$ GeV with the BESIII detector, we measure the absolute branching fraction ${\mathcal B}(D^{+}\rightarrow\bar K^0μ^{+…

hep-ex2016★ 55 cited

Observation of an anomalous line shape of the $η^{'} π^{+} π^{-}$ mass spectrum near the $p p ˉ$ mass threshold in $J / ψ \to γ η^{'} π^{+} π^{-}$

M. Ablikim, M. N. Achasov, S. Ahmed +431

Using $1.09 \times 1 0^{9}$ $J / ψ$ events collected by the BESIII experiment in 2012, we study the $J / ψ \to γ η^{'} π^{+} π^{-}$ process and observe a significant abrupt change…

hep-ex2016★ 8 cited

Measurement of the leptonic decay width of $J / ψ$ using initial state radiation

BESIII Collaboration, M. Ablikim, M. N. Achasov +414

Using a data set of 2.93 fb $^{- 1}$ taken at a center-of-mass energy of $s$ = 3.773 GeV with the BESIII detector at the BEPCII collider, we measure the process $e^+e^-\righta…

hep-ex2016★ 7 cited

Observation of pseudoscalar and tensor resonances in $J / ψ \to γ ϕϕ$

M. Ablikim, M. N. Achasov, X. C. Ai +406

Based on a sample of $(1310.6 \pm 10.5) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector operating at the BEPCII storage ring, a partial wave analysis of the decay $J…

hep-ex2015★ 15 cited

Observation of the Singly Cabibbo-Suppressed Decay $D^{+} \to ω π^{+}$ and Evidence for $D^{0} \to ω π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +414

Based on 2.93 fb $^{- 1}$ $e^{+} e^{-}$ collision data taken at center-of-mass energy of 3.773 GeV by the BESIII detector, we report searches for the singly Cabibbo-suppressed decays $D^{…

hep-ex2015★ 44 cited

Study of $D^{+} \to K^{-} π^{+} e^{+} ν_{e}$

M. Ablikim, M. N. Achasov, X. C. Ai +412

We present an analysis of the decay $D^{+} \to K^{-} π^{+} e^{+} ν_{e}$ based on data collected by the BESIII experiment at the $ψ (3770)$ resonance. Using a nearly background-free sample…

hep-ex2015★ 13 cited

Study of $J / ψ \to p p ˉ ϕ$ at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +408

Using a data sample of $1.31 \times 1 0^{9}$ $J / ψ$ events accumulated with the BESIII detector, the decay $J / ψ \to p p ˉ ϕ$ is studied via two decay modes, $ϕ\to K^{0}_{S}K^{0}_{L}…

hep-ex2015★ 70 cited

Study of decay dynamics and $C P$ asymmetry in $D^{+} \to K_{L}^{0} e^{+} ν_{e}$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +400

Using 2.92~fb $^{- 1}$ of electron-positron annihilation data collected at $s = 3.773$ ~GeV with the BESIII detector, we obtain the first measurements of the absolute branching…

hep-ex2015★ 144 cited

Measurements of absolute hadronic branching fractions of $Λ_{c}^{+}$ baryon

BESIII Collaboration, M. Ablikim, M. N. Achasov +409

Using $567 pb^{- 1}$ of $e^{+} e^{-}$ collisions recorded at $s = 4.599 GeV$ with the BESIII detector, we report first measurements of absolute hadronic branching fractions…

hep-ex2015★ 15 cited

Search for a light CP-odd Higgs boson in the radiative decays of J/psi

The BESIII Collaboration, M. Ablikim

We search for a light Higgs boson $A^{0}$ in the fully reconstructed decay chain of $J / ψ \to γ A^{0}$ , $A^{0} \to μ^{+} μ^{-}$ using $(225.0 \pm 2.8) \times 1 0^{6}$ $J / ψ$ events colle…

hep-ex2015★ 96 cited

Confirmation of a charged charmoniumlike state $Z_{c} (3885)^{\mp}$ in $e^{+} e^{-} \to π^{\pm} (D D ˉ^{*})^{\mp}$ with double $D$ tag

BESIII Collaboration, M. Ablikim, M. N. Achasov +400

We present a study of the process $e^{+} e^{-} \to π^{\pm} (D D ˉ^{*})^{\mp}$ using data samples of 1092~pb $^{- 1}$ at $s = 4.23$ ~GeV and 826~pb $^{- 1}$ at $s = 4.26$ ~GeV collecte…

hep-ex2015★ 7 cited

Study of Dynamics of $D^{0} \to K^{-} e^{+} ν_{e}$ and $D^{0} \to π^{-} e^{+} ν_{e}$ Decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +400

In an analysis of a 2.92~fb $^{- 1}$ data sample taken at 3.773~GeV with the BESIII detector operated at the BEPCII collider, we measure the absolute decay branching fractions to be…

hep-ex2015★ 2 cited

Measurement of the form factors in the decay $D^{+} \to ω e^{+} ν_{e}$ and search for the decay $D^{+} \to ϕ e^{+} ν_{e}$

M. Ablikim, M. N. Achasov, X. C. Ai +398

Using 2.92 fb $^{- 1}$ of electron-positron annihilation data collected at a center-of-mass energy of $s = 3.773$ GeV with the BESIII detector, we present an improved measureme…

hep-ex2015★ 129 cited

Observation of $Z_{c} (3900)^{0}$ in $e^{+} e^{-} \to π^{0} π^{0} J / ψ$

BESIII Collaboration

Using a data sample collected with the BESIII detector operating at the BEPCII storage ring, we observe a new neutral state $Z_{c} (3900)^{0}$ with a significance of $10.4 σ$ . The mass…

hep-ex2015★ 64 cited

Measurement of azimuthal asymmetries in inclusive charged dipion production in $e^{+} e^{-}$ annihilations at $s$ = 3.65 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +398

We present a measurement of the azimuthal asymmetries of two charged pions in the inclusive process $e^{+} e^{-} \to π π X$ based on a data set of 62 $pb^{- 1}$ at the center-o…

hep-ex2015★ 47 cited

Measurement of the Matrix Elements for the Decays $η \to π^{+} π^{-} π^{0}$ and $η / η^{'} \to π^{0} π^{0} π^{0}$

M. Ablikim, M. N. Achasov, X. C. Ai +413

Based on a sample of $1.31 \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector at the BEPCII collider, Dalitz plot analyses of selected 79,625 $η \to π^{+} π^{-} π^{0}$ …

hep-ex2015★ 50 cited

Observation and Spin-Parity Determination of the $X (1835)$ in $J / ψ \to γ K_{S}^{0} K_{S}^{0} η$

M. Ablikim, M. N. Achasov, X. C. Ai +413

We report an observation of the process $J / ψ \to γ X (1835) \to γ K_{S}^{0} K_{S}^{0} η$ at low $K_{S}^{0} K_{S}^{0}$ mass with a statistical significance larger than 12.9 $σ$ using a data…

hep-ex2015★ 14 cited

An Improved Limit for Gamma_ee of X(3872) and Gamma_ee Measurement of psi(3686)

BESIII collaboration, M. Ablikim, M. N. Achasov +411

Using the data sets taken at center-of-mass energies above 4 GeV by the BESIII detector at the BEPCII storage ring, we search for the reaction e+e- -> gamma_ISR X(3872) -> gamma_IS…

Measurement of higher-order multipole amplitudes in ψ(3686)→γχc1,2​ with χc1,2​→γJ/ψ and search for the transition ηc​(2S)→γJ/ψ

Precise measurement of the e+e−→π+π−J/ψ cross section at center-of-mass energies from 3.77 to 4.60 GeV

Observation of J/ψ→γηπ0

Measurement of the Ds+​→ℓ+νℓ​ branching fractions and the decay constant fDs+​​

Measurements of the absolute branching fractions for Ds+​→ηe+νe​ and Ds+​→η′e+νe​

Determination of the number of J/ψ events with inclusive J/ψ decays

Improved measurement of the absolute branching fraction of D+→Kˉ0μ+νμ​

Observation of an anomalous line shape of the η′π+π− mass spectrum near the ppˉ​ mass threshold in J/ψ→γη′π+π−

Measurement of the leptonic decay width of J/ψ using initial state radiation

Observation of pseudoscalar and tensor resonances in J/ψ→γϕϕ

Observation of the Singly Cabibbo-Suppressed Decay D+→ωπ+ and Evidence for D0→ωπ0

Study of D+→K−π+e+νe​

Study of J/ψ→ppˉ​ϕ at BESIII

Study of decay dynamics and CP asymmetry in D+→KL0​e+νe​ decay

Measurements of absolute hadronic branching fractions of Λc+​ baryon

Search for a light CP-odd Higgs boson in the radiative decays of J/psi

Confirmation of a charged charmoniumlike state Zc​(3885)∓ in e+e−→π±(DDˉ∗)∓ with double D tag

Study of Dynamics of D0→K−e+νe​ and D0→π−e+νe​ Decays

Measurement of the form factors in the decay D+→ωe+νe​ and search for the decay D+→ϕe+νe​

Observation of Zc​(3900)0 in e+e−→π0π0J/ψ

Measurement of azimuthal asymmetries in inclusive charged dipion production in e+e− annihilations at s​ = 3.65 GeV

Measurement of the Matrix Elements for the Decays η→π+π−π0 and η/η′→π0π0π0

Observation and Spin-Parity Determination of the X(1835) in J/ψ→γKS0​KS0​η

An Improved Limit for Gamma_ee of X(3872) and Gamma_ee Measurement of psi(3686)

Measurement of higher-order multipole amplitudes in $ψ (3686) \to γ χ_{c 1, 2}$ with $χ_{c 1, 2} \to γ J / ψ$ and search for the transition $η_{c} (2 S) \to γ J / ψ$

Precise measurement of the $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ cross section at center-of-mass energies from 3.77 to 4.60 GeV

Observation of $J / ψ \to γ η π^{0}$

Measurement of the $D_{s}^{+} \to ℓ^{+} ν_{ℓ}$ branching fractions and the decay constant $f_{D_{s}^{+}}$

Measurements of the absolute branching fractions for $D_{s}^{+} \to η e^{+} ν_{e}$ and $D_{s}^{+} \to η^{'} e^{+} ν_{e}$

Determination of the number of $J / ψ$ events with inclusive $J / ψ$ decays

Improved measurement of the absolute branching fraction of $D^{+} \to K ˉ^{0} μ^{+} ν_{μ}$

Observation of an anomalous line shape of the $η^{'} π^{+} π^{-}$ mass spectrum near the $p p ˉ$ mass threshold in $J / ψ \to γ η^{'} π^{+} π^{-}$

Measurement of the leptonic decay width of $J / ψ$ using initial state radiation

Observation of pseudoscalar and tensor resonances in $J / ψ \to γ ϕϕ$

Observation of the Singly Cabibbo-Suppressed Decay $D^{+} \to ω π^{+}$ and Evidence for $D^{0} \to ω π^{0}$

Study of $D^{+} \to K^{-} π^{+} e^{+} ν_{e}$

Study of $J / ψ \to p p ˉ ϕ$ at BESIII

Study of decay dynamics and $C P$ asymmetry in $D^{+} \to K_{L}^{0} e^{+} ν_{e}$ decay

Measurements of absolute hadronic branching fractions of $Λ_{c}^{+}$ baryon

Confirmation of a charged charmoniumlike state $Z_{c} (3885)^{\mp}$ in $e^{+} e^{-} \to π^{\pm} (D D ˉ^{*})^{\mp}$ with double $D$ tag

Study of Dynamics of $D^{0} \to K^{-} e^{+} ν_{e}$ and $D^{0} \to π^{-} e^{+} ν_{e}$ Decays

Measurement of the form factors in the decay $D^{+} \to ω e^{+} ν_{e}$ and search for the decay $D^{+} \to ϕ e^{+} ν_{e}$

Observation of $Z_{c} (3900)^{0}$ in $e^{+} e^{-} \to π^{0} π^{0} J / ψ$

Measurement of azimuthal asymmetries in inclusive charged dipion production in $e^{+} e^{-}$ annihilations at $s$ = 3.65 GeV

Measurement of the Matrix Elements for the Decays $η \to π^{+} π^{-} π^{0}$ and $η / η^{'} \to π^{0} π^{0} π^{0}$

Observation and Spin-Parity Determination of the $X (1835)$ in $J / ψ \to γ K_{S}^{0} K_{S}^{0} η$