Y.-H. Guan

activity

20112017

most citedObservation of a charged charmoniumlike structure Z_c(4020) and search for the Z_c(3900) in e+e- to pi+pi-h_c

459 citations · 4.7k across the 86 of their papers we have counts for

collaborators

86 papers

hep-ex2017★ 46 cited

Precision Study of $η^{'} \to γ π^{+} π^{-}$ Decay Dynamics

BESIII Collaboration, M. Ablikim, M. N. Achasov +431

Using a low background data sample of $9.7 \times 1 0^{5}$ $J ψ \to γ η^{'}$ , $η^{'} \to γ π^{+} π^{-}$ events, which are 2 orders of magnitude larger than those from the pr…

hep-ex2017★ 5 cited

Observation of $e^{+} e^{-} \to η Y (2175)$ at center-of-mass energies above 3.7 $\sim$ GeV

M. Ablikim, M. N. Achasov, S. Ahmed +426

The state $Y (2175)$ is observed in the process $e^{+} e^{-} \to η Y (2175)$ at center-of-mass energies between 3.7 and 4.6 $\sim$ GeV with a statistical significance larger than $10 σ$ usin…

hep-ex2017★ 88 cited

Observation of a cross-section enhancement near mass threshold in $e^{+} e^{-} \to Λ Λ ˉ$

M. Ablikim, M. N. Achasov, S. Ahmed +428

The process $e^{+} e^{-} \to Λ Λ ˉ$ is studied using data samples at $s = 2.2324$ , 2.400, 2.800 and 3.080 GeV collected with the BESIII detector operating at the BEPCII…

hep-ex2017★ 13 cited

Measurement of the integrated luminosity and the center-of-mass energy of the data taken by BESIII at $s = 2.125$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +322

To study the nature of the state $Y (2175)$ , a dedicated data set of $e^{+} e^{-}$ collision data was collected at the center-of-mass energy of 2.125 GeV with the BESIII detector at the…

hep-ex2017★ 16 cited

Observation of $e^{+} e^{-} \to η h_{c}$ at center-of-mass energies from 4.085 to 4.600 GeV

BESIII collaboration, M. Ablikim, M. N. Achasov +425

We observe for the first time the process $e^{+} e^{-} \to η h_{c}$ with data collected by the BESIII experiment. Significant signals are observed at the center-of-mass energy…

hep-ex2017★ 54 cited

Analysis of $D^{+} \to K ˉ^{0} e^{+} ν_{e}$ and $D^{+} \to π^{0} e^{+} ν_{e}$ Semileptonic Decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +428

Using 2.93~fb $^{- 1}$ of data taken at 3.773 GeV with the BESIII detector operated at the BEPCII collider, we study the semileptonic decays $D^{+} \to K ˉ^{0} e^{+} ν_{e}$ and $D^+ \to π^0…

hep-ex2017★ 105 cited

Measurement of $e^{+} e^{-} \to π^{+} π^{-} ψ (3686)$ from 4.008 to 4.600 $\sim$ GeV and observation of a charged structure in the $π^{\pm} ψ (3686)$ mass spectrum

M. Ablikim, M. N. Achasov, S. Ahmed +424

We study the process $e^{+} e^{-} \to π^{+} π^{-} ψ (3686)$ using 5.1 $f b^{- 1}$ of data collected at 16 center-of-mass energy ( $s$ ) points from 4.008 to 4.600 $\sim$ GeV b…

hep-ex2017★ 15 cited

Search for the Radiative Leptonic Decay $D^{+} \to γ e^{+} ν_{e}$

The BESIII Collaboration, M. Ablikim, M. N. Achasov +428

Using an electron-positron collision data sample of 2.93 fb $^{- 1}$ collected at a center-of-mass energy of $s = 3.773$ GeV with the BESIII detector, we present the first searc…

hep-ex2017★ 20 cited

Cross section measurements of $e^{+} e^{-} \to p p ˉ π^{0}$ at center-of-mass energies between 4.008 and 4.600 GeV

M. Ablikim, M. N. Achasov, S. Ahmed +429

Based on $e^{+} e^{-}$ annihilation data samples collected with the BESIII detector at the BEPCII collider at 13 center of mass energies from 4.008 to 4.600 GeV, measurements of the Bor…

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★ 53 cited

Study of $J / ψ$ and $ψ (3686) \to Σ (1385)^{0} Σ ˉ (1385)^{0}$ and $Ξ^{0} Ξ ˉ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +426

We study the decays of $J / ψ$ and $ψ (3686)$ to the final states $Σ (1385)^{0} Σ ˉ (1385)^{0}$ and $Ξ^{0} Ξ ˉ^{0}$ based on a single baryon tag method using data samples of $(1310.6 \p…

hep-ex2016★ 4 cited

Observation of the helicity-selection-rule suppressed decay of the $χ_{c 2}$ charmonium state

BESIII Collaboration, M. Ablikim, M. N. Achasov +424

The decays of $χ_{c 2} \to K^{+} K^{-} π^{0}$ , $K_{S} K^{\pm} π^{\mp}$ and $π^{+} π^{-} π^{0}$ are studied with the $ψ (3686)$ data samples collected with the Beijing Spectrometer (BESIII)…

hep-ex2016★ 39 cited

Observation of $Λ_{c}^{+} \to n K_{S}^{0} π^{+}$

M. Ablikim, M. N. Achasov, S. Ahmed +424

We report the first direct measurement of decays of the $Λ_{c}^{+}$ baryon involving the neutron. The analysis is performed using 567 pb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at…

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★ 189 cited

Evidence of Two Resonant Structures in $e^{+} e^{-} \to π^{+} π^{-} h_{c}$

M. Ablikim, M. N. Achasov, S. Ahmed +424

The cross sections of $e^{+} e^{-} \to π^{+} π^{-} h_{c}$ at center-of-mass energies from 3.896 to 4.600 GeV are measured using data samples collected with the BESIII detector operating a…

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★ 32 cited

Measurement of Singly Cabibbo Suppressed Decays $Λ_{c}^{+} \to p π^{+} π^{-}$ and $Λ_{c}^{+} \to p K^{+} K^{-}$

BESIII collaboration, M. Ablikim, M. N. Achasov +432

Using 567 $p b^{- 1}$ of data collected with the BESIII detector at a center-of-mass energy of $s =$ 4.599 $G e V$ , near the $Λ_{c}^{+} Λ_{c}^{-}$ threshold, we study the singly C…

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★ 6 cited

Amplitude Analysis of the Decays $η^{'} \to π^{+} π^{-} π^{0}$ and $η^{'} \to π^{0} π^{0} π^{0}$

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

Based on a sample of $1.31 \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector, an amplitude analysis of the isospin-violating decays $η^{'} \to π^{+} π^{-} π^{0}$ and…

hep-ex2016★ 23 cited

Observation of $e^{+} e^{-} \to η^{'} J / ψ$ at center-of-mass energies between 4.189 and 4.600 GeV

M. Ablikim, M. N. Achasov, S. Ahmed +428

The process $e^{+} e^{-} \to η^{'} J / ψ$ is observed for the first time with a statistical significance of $8.6 σ$ at center-of-mass energy $s = 4.226$ GeV and $7.3 σ$ at $\…

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…

Precision Study of η′→γπ+π− Decay Dynamics

Observation of e+e−→ηY(2175) at center-of-mass energies above 3.7∼GeV

Observation of a cross-section enhancement near mass threshold in e+e−→ΛΛˉ

Measurement of the integrated luminosity and the center-of-mass energy of the data taken by BESIII at s​=2.125 GeV

Observation of e+e−→ηhc​ at center-of-mass energies from 4.085 to 4.600 GeV

Analysis of D+→Kˉ0e+νe​ and D+→π0e+νe​ Semileptonic Decays

Measurement of e+e−→π+π−ψ(3686) from 4.008 to 4.600∼GeV and observation of a charged structure in the π±ψ(3686) mass spectrum

Search for the Radiative Leptonic Decay D+→γe+νe​

Cross section measurements of e+e−→ppˉ​π0 at center-of-mass energies between 4.008 and 4.600 GeV

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

Study of J/ψ and ψ(3686)→Σ(1385)0Σˉ(1385)0 and Ξ0Ξˉ0

Observation of the helicity-selection-rule suppressed decay of the χc2​ charmonium state

Observation of Λc+​→nKS0​π+

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

Evidence of Two Resonant Structures in e+e−→π+π−hc​

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​

Measurement of Singly Cabibbo Suppressed Decays Λc+​→pπ+π− and Λc+​→pK+K−

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

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

Amplitude Analysis of the Decays η′→π+π−π0 and η′→π0π0π0

Observation of e+e−→η′J/ψ at center-of-mass energies between 4.189 and 4.600 GeV

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

Precision Study of $η^{'} \to γ π^{+} π^{-}$ Decay Dynamics

Observation of $e^{+} e^{-} \to η Y (2175)$ at center-of-mass energies above 3.7 $\sim$ GeV

Observation of a cross-section enhancement near mass threshold in $e^{+} e^{-} \to Λ Λ ˉ$

Measurement of the integrated luminosity and the center-of-mass energy of the data taken by BESIII at $s = 2.125$ GeV

Observation of $e^{+} e^{-} \to η h_{c}$ at center-of-mass energies from 4.085 to 4.600 GeV

Analysis of $D^{+} \to K ˉ^{0} e^{+} ν_{e}$ and $D^{+} \to π^{0} e^{+} ν_{e}$ Semileptonic Decays

Measurement of $e^{+} e^{-} \to π^{+} π^{-} ψ (3686)$ from 4.008 to 4.600 $\sim$ GeV and observation of a charged structure in the $π^{\pm} ψ (3686)$ mass spectrum

Search for the Radiative Leptonic Decay $D^{+} \to γ e^{+} ν_{e}$

Cross section measurements of $e^{+} e^{-} \to p p ˉ π^{0}$ at center-of-mass energies between 4.008 and 4.600 GeV

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 $η_{c} (2 S) \to γ J / ψ$

Study of $J / ψ$ and $ψ (3686) \to Σ (1385)^{0} Σ ˉ (1385)^{0}$ and $Ξ^{0} Ξ ˉ^{0}$

Observation of the helicity-selection-rule suppressed decay of the $χ_{c 2}$ charmonium state

Observation of $Λ_{c}^{+} \to n K_{S}^{0} π^{+}$

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

Evidence of Two Resonant Structures in $e^{+} e^{-} \to π^{+} π^{-} h_{c}$

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 $D_{s}^{+} \to η^{'} e^{+} ν_{e}$

Measurement of Singly Cabibbo Suppressed Decays $Λ_{c}^{+} \to p π^{+} π^{-}$ and $Λ_{c}^{+} \to p K^{+} K^{-}$

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

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

Amplitude Analysis of the Decays $η^{'} \to π^{+} π^{-} π^{0}$ and $η^{'} \to π^{0} π^{0} π^{0}$

Observation of $e^{+} e^{-} \to η^{'} J / ψ$ at center-of-mass energies between 4.189 and 4.600 GeV

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