J. Wei

activity

20052018

most citedHigh-energy scale revival and giant kink in the dispersion of a cuprate superconductor

119 citations · 1.1k across the 25 of their papers we have counts for

collaborators

Showing hep-exShow all

18 papers · 1 filter

hep-ex2018★ 45 cited

Amplitude analysis of the $K_{S} K_{S}$ system produced in radiative $J / ψ$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +444

An amplitude analysis of the $K_{S} K_{S}$ system produced in radiative $J / ψ$ decays is performed using the $(1310.6 \pm 7.0) \times 1 0^{6}$ $J / ψ$ decays collected by the BESIII detecto…

hep-ex2017★ 7 cited

Measurement of branching fractions for $ψ (3686) \to γ η^{'}, γ η$ and $γ π^{0}$

M. Ablikim, M. N. Achasov, X. C. Ai +420

Using a data sample of $448 \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII storage ring, the decays $ψ (3686) \to γ η$ and $ψ(3686)\ri…

hep-ex2017★ 103 cited

Determination of spin and parity of the $Z_{c} (3900)$

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

The spin and parity of the $Z_{c} (3900)^{\pm}$ state are determined to be $J^{P} = 1^{+}$ with a statistical significance larger than $7 σ$ over other quantum numbers in a partial wave analys…

hep-ex2017★ 52 cited

Dark Photon Search in the Mass Range Between 1.5 and 3.4 GeV/ $c^{2}$

M. Ablikim, M. N. Achasov, X. C. Ai +414

Using a data set of 2.93 fb $^{- 1}$ taken at a center-of-mass energy $s$ = 3.773 GeV with the BESIII detector at the BEPCII collider, we perform a search for an extra U(1) ga…

hep-ex2016★ 16 cited

Observation of $h_{c}$ radiative decay $h_{c} \to γ η^{'}$ and evidence for $h_{c} \to γ η$

M. Ablikim, M. N. Achasov, X. C. Ai +420

A search for radiative decays of the $P$ -wave spin singlet charmonium resonance $h_{c}$ is performed based on $4.48 \times 1 0^{8}$ $ψ^{'}$ events collected with the BESIII detector ope…

hep-ex2016★ 11 cited

Search for the weak decay $η^{'} \to K^{\pm} π^{\mp}$ and precise measurement of the branching fraction $B (J / ψ \to ϕ η^{'})$

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

We present the first search for the rare decay of $η^{'}$ into $K^{\pm} π^{\mp}$ in $J / ψ \to ϕ η^{'}$ , using a sample of $1.3 \times 1 0^{9}$ $J / ψ$ events collected with the BESII…

hep-ex2015★ 15 cited

Search for $D^{0} \to γ γ$ and improved measurement of the branching fraction for $D^{0} \to π^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +412

Using $2.92$ fb $^{- 1}$ of electron-positron annihilation data collected at $s = 3.773$ ~GeV with the BESIII detector, we report the results of a search for the flavor-changin…

hep-ex2015★ 4 cited

Observation of the electromagnetic doubly OZI-suppressed decay $J / ψ \to ϕ π^{0}$

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

Using a sample of $1.31$ billion $J / ψ$ events accumulated with the BESIII detector at the BEPCII collider, we report the observation of the decay $J / ψ \to ϕ π^{0}$ , which is…

hep-ex2015★ 87 cited

Measurement of the proton form factor by studying $e^{+} e^{-} \to p p ˉ$

M. Ablikim, M. N. Achasov, X. C. Ai +409

Using data samples collected with the BESIII detector at the BEPCII collider, we measure the Born cross section of $e^{+} e^{-} \to p p ˉ$ at 12 center-of-mass energies fr…

hep-ex2015★ 5 cited

Measurement of $B (ψ (3770) \to γ χ_{c 1})$ and search for $ψ (3770) \to γ χ_{c 2}$

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

We report a measurement of the branching fraction of $ψ (3770) \to γ χ_{c 1}$ and search for the transition $ψ (3770) \to γ χ_{c 2}$ based on 2.92~fb $^{- 1}$ of $e^{+} e^{-}$ data accumul…

hep-ex2015★ 61 cited

Observation of the Dalitz Decay $η^{'} \to γ e^{+} e^{-}$

M. Ablikim, M. N. Achasov, X. C. Ai +410

We report the first observation of the Dalitz decay $η^{'} \to γ e^{+} e^{-}$ , based on a data sample of 1.31 billion $J / ψ$ events collected with the BESIII detector. The $η^{'}$ mesons are pr…

hep-ex2015★ 45 cited

Measurement of the $e^{+} e^{-} \to η J / ψ$ cross section and search for $e^{+} e^{-} \to π^{0} J / ψ$ at center-of-mass energies between 3.810 and 4.600~GeV

M. Ablikim, M. N. Achasov, X. C. Ai +409

Using data samples collected with the BESIII detector operating at the BEPCII collider at center-of-mass energies from 3.810 to 4.600 GeV, we perform a study of $e^{+}e^{-} \to ηJ/…

hep-ex2015★ 64 cited

Observation of the $ψ (1^{3} D_{2})$ state in $e^{+} e^{-} \to π^{+} π^{-} γ χ_{c 1}$ at BESIII

M. Ablikim, M. N. Achasov, X. C. Ai +409

We report the observation of the $X (3823)$ in the process $e^{+} e^{-} \to π^{+} π^{-} X (3823) \to π^{+} π^{-} γ χ_{c 1}$ with a statistical significance of $6.2 σ$ , in data samples at center-of-mass e…

hep-ex2015★ 106 cited

Study of $χ_{c J}$ decaying into $ϕ$ $K^{*} (892)$ $K ˉ$

M. Ablikim, M. N. Achasov, X. C. Ai +409

Using a data sample of 106 million $ψ (3686)$ events collected with the BESIII detector operated at the BEPCII storage ring, we study for the first time the decay $χ_{cJ}\toϕK^{0}_S…

hep-ex2015★ 2 cited

Searches for isospin-violating transitions $χ_{c 0, 2} \to π^{0} η_{c}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +407

We present the first upper-limit measurement of the branching fractions of the isospin-violating transitions $χ_{c 0, 2} \to π^{0} η_{c}$ . The measurements are performed usin…

hep-ex2013★ 21 cited

Evidence for η_{c}(2S) in ψ(3686) \to γK_{S}^{0}K^{\pm}π^{\mp}π^{+}π^{-}

The BESIII Collaboration, M. Ablikim, M. N. Achasov +346

We search for the M1 radiative transition ψ(3686) \to γη_{c}(2S) by reconstructing the exclusive η_{c}(2S) \to K_{S}^{0}K^{\pm}π^{\mp}π^{+}π^{-} decay using 1.06 \times 10^8 ψ(3686…

hep-ex2012★ 11 cited

Search for $η$ and $η^{'} \to π^{+} e^{-} ν ˉ_{e} + c . c .$ decays in $\jpsi \to ϕη$ and $ϕ η^{'}$

M. Ablikim, M. N. Achasov, O. Albayrak +362

Using a sample of 225.3 million $\jpsi$ events collected with the BESIII detector at the BEPCII $e^{+} e^{-}$ collider in 2009, searches for the decays of $η$ and $η^\prime\toπ^+ e^- \b…

hep-ex2012★ 24 cited

Measurements of Baryon Pair Decays of $χ_{c J}$ Mesons

M. Ablikim, M. N. Achasov, O. Albayrak +348

Using 106 $\times 1 0^{6}$ $ψ^{'}$ decays collected with the BESIII detector at the BEPCII, three decays of $χ_{c J}$ ( $J = 0, 1, 2$ ) with baryon pairs ($\llb$, $\ssb$, $\SSB$) in t…

Amplitude analysis of the KS​KS​ system produced in radiative J/ψ decays

Measurement of branching fractions for ψ(3686)→γη′,γη and γπ0

Determination of spin and parity of the Zc​(3900)

Dark Photon Search in the Mass Range Between 1.5 and 3.4 GeV/c2

Observation of hc​ radiative decay hc​→γη′ and evidence for hc​→γη

Search for the weak decay η′→K±π∓ and precise measurement of the branching fraction B(J/ψ→ϕη′)

Search for D0→γγ and improved measurement of the branching fraction for D0→π0π0

Observation of the electromagnetic doubly OZI-suppressed decay J/ψ→ϕπ0

Measurement of the proton form factor by studying e+e−→ppˉ​

Measurement of B(ψ(3770)→γχc1​) and search for ψ(3770)→γχc2​

Observation of the Dalitz Decay η′→γe+e−

Measurement of the e+e−→ηJ/ψ cross section and search for e+e−→π0J/ψ at center-of-mass energies between 3.810 and 4.600~GeV

Observation of the ψ(13D2​) state in e+e−→π+π−γχc1​ at BESIII

Study of χcJ​ decaying into ϕ K∗(892) Kˉ

Searches for isospin-violating transitions χc0,2​→π0ηc​

Evidence for η_{c}(2S) in ψ(3686) \to γK_{S}^{0}K^{\pm}π^{\mp}π^{+}π^{-}

Search for η and η′→π+e−νˉe​+c.c. decays in $\jpsi \to ϕη$ and ϕη′

Measurements of Baryon Pair Decays of χcJ​ Mesons

Amplitude analysis of the $K_{S} K_{S}$ system produced in radiative $J / ψ$ decays

Measurement of branching fractions for $ψ (3686) \to γ η^{'}, γ η$ and $γ π^{0}$

Determination of spin and parity of the $Z_{c} (3900)$

Dark Photon Search in the Mass Range Between 1.5 and 3.4 GeV/ $c^{2}$

Observation of $h_{c}$ radiative decay $h_{c} \to γ η^{'}$ and evidence for $h_{c} \to γ η$

Search for the weak decay $η^{'} \to K^{\pm} π^{\mp}$ and precise measurement of the branching fraction $B (J / ψ \to ϕ η^{'})$

Search for $D^{0} \to γ γ$ and improved measurement of the branching fraction for $D^{0} \to π^{0} π^{0}$

Observation of the electromagnetic doubly OZI-suppressed decay $J / ψ \to ϕ π^{0}$

Measurement of the proton form factor by studying $e^{+} e^{-} \to p p ˉ$

Measurement of $B (ψ (3770) \to γ χ_{c 1})$ and search for $ψ (3770) \to γ χ_{c 2}$

Observation of the Dalitz Decay $η^{'} \to γ e^{+} e^{-}$

Measurement of the $e^{+} e^{-} \to η J / ψ$ cross section and search for $e^{+} e^{-} \to π^{0} J / ψ$ at center-of-mass energies between 3.810 and 4.600~GeV

Observation of the $ψ (1^{3} D_{2})$ state in $e^{+} e^{-} \to π^{+} π^{-} γ χ_{c 1}$ at BESIII

Study of $χ_{c J}$ decaying into $ϕ$ $K^{*} (892)$ $K ˉ$

Searches for isospin-violating transitions $χ_{c 0, 2} \to π^{0} η_{c}$

Search for $η$ and $η^{'} \to π^{+} e^{-} ν ˉ_{e} + c . c .$ decays in $\jpsi \to ϕη$ and $ϕ η^{'}$

Measurements of Baryon Pair Decays of $χ_{c J}$ Mesons