D. Becker

activity

20222024

most citedObservation of an isoscalar resonance with exotic

J^{P C} = 1^{-+}

quantum numbers in

J / ψ \to γ η η^{'}

84 citations · 802 across the 69 of their papers we have counts for

collaborators

70 papers

hep-ex2024★ 1 cited

Search for the leptonic decays $D^{+} \to e^{+} ν_{e}$ and $D^{+} \to μ^{+} ν_{μ}$

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

We present the first search for the leptonic decays $D^{*+} \to e^{+} ν_{e}$ and $D^{*+} \to μ^{+} ν_{μ}$ by analyzing a data sample of electron-positron collisions recorded with the BESIII de…

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

Production of doubly-charged $Δ$ baryon in $e^{+} e^{-}$ annihilation at energies from 2.3094 to 2.6464 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +591

The processes $e^{+} e^{-} \to Δ^{++} Δ ˉ^{--}$ and $e^{+} e^{-} \to Δ^{++} p ˉ π^{-} + c . c .$ are studied for the first time with $179 pb^{- 1}$ of $e^{+} e^{-}$ annihilation…

hep-ex2023★ 1 cited

Study of the $e^{+} e^{-} \to π^{+} π^{-} ω$ process at center-of-mass energies between 4.0 and 4.6 GeV

BESIII collaboration, M. Ablikim, M. N. Achasov +566

Using $15.6$ $f b^{- 1}$ of $e^{+} e^{-}$ collision data collected at twenty-four center-of-mass energies from $4.0$ to $4.6$ GeV with the BESIII detector, the helicity amplitudes of…

hep-ex2023★ 12 cited

Measurement of $Λ$ transverse polarization in $e^{+} e^{-}$ collisions at $s = 3.68 - 3.71$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +591

With data samples collected with the BESIII detector at seven energy points at $s = 3.68 - 3.71$ GeV, corresponding to an integrated luminosity of 333 pb $^{- 1}$ , we present a…

hep-ex2023

Improved measurement of the branching fractions of the inclusive decays $D^{+} \to K_{S}^{0} X$ and $D^{0} \to K_{S}^{0} X$

BESIII Collaboration, M. Ablikim, M. N. Achasov +571

By analyzing 2.93 fb $^{- 1}$ of $e^{+} e^{-}$ collision data taken at the center-of-mass energy of 3.773 GeV with the BESIII detector, the branching fractions of the inclusive decays $D^…

hep-ex2023★ 1 cited

Observation of the decay $D_{s}^{+} \to ω π^{+} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +571

Using 7.33 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected by the BESIII detector at center-of-mass energies between 4.128 and 4.226~GeV, we observe for the first time the decay $D^…

hep-ex2023★ 8 cited

Measurement of branching fraction of $D_{s}^{+} \to D_{s}^{+} π^{0}$ relative to $D_{s}^{+} \to D_{s}^{+} γ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +566

Based on 7.33 fb $^{- 1}$ of $e^{+} e^{-}$ collision data taken at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, we measure the branching fraction of $D^{*…

hep-ex2023

Helicity amplitude analysis of $χ_{c J} \to ϕϕ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +567

Using (447.9 $\pm$ 2.3) million $ψ$ (3686) events collected with the BESIII detector, the decays of $χ_{c J} \to ϕϕ$ ( $J$ =0, 1, 2) have been studied via the decay $ψ(3686)\ri…

hep-ex2023★ 3 cited

Measurements of the branching fractions of the inclusive decays $D^{0} (D^{+}) \to π^{+} π^{+} π^{-} X$

BESIII Collaboration, M. Ablikim, M. N. Achasov +590

Using $e^{+} e^{-}$ annihilation data corresponding to an integrated luminosity of 2.93 fb $^{- 1}$ taken at a center-of-mass energy of 3.773 GeV with the BESIII detector, we report the f…

hep-ex2022

Observation of $ψ (3770) \to η J / ψ$

BESIII Collaboration

The Born cross section of the process $e^{+} e^{-} \to η J / ψ$ at a center-of-mass energy $s = 3.773 GeV$ is measured to be ( $8.89 \pm 0.88 \pm 0.42$ ) $pb$ , using a data…

hep-ex2022

Search for the weak radiative decay $Λ_{c}^{+} \to Σ^{+} γ$ at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +567

The Cabibbo-allowed weak radiative decay $Λ_{c}^{+} \to Σ^{+} γ$ has been searched for in a sample of $Λ_{c}^{+} Λ ˉ_{c}^{-}$ pairs produced in $e^{+} e^{-}$ annihilations, corresponding to an i…

hep-ex2022

First Direct Measurement of the Absolute Branching Fraction of $Σ^{+} \to Λ e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +591

The first direct measurement of the absolute branching fraction of $Σ^{+} \to Λ e^{+} ν_{e}$ is reported based on an $e^{+} e^{-}$ annihilation sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ eve…

hep-ex2022★ 4 cited

Measurement of the absolute branching fraction of the inclusive decay $D_{s}^{+} \to π^{+} π^{+} π^{-} X$

BESIII Collaboration, M. Ablikim, M. N. Achasov +579

Using an $e^{+} e^{-}$ collision data sample with a total integrated luminosity of $3.19$ fb $^{- 1}$ collected with the BESIII detector at a center-of-mass energy of 4.178 GeV, the bran…

hep-ex2022★ 15 cited

Observation of a New $X (3872)$ Production Process $e^{+} e^{-} \to ω X (3872)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +571

Using $4.7 f b^{- 1}$ of $e^{+} e^{-}$ collision data at center-of-mass energies from 4.661 to 4.951 GeV collected by the BESIII detector at the BEPCII collider, we observe the $X(387…

hep-ex2022★ 6 cited

Measurement of the $C P$ -even fraction of $D^{0} \to K^{+} K^{-} π^{+} π^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +571

A determination of the $C P$ -even fraction $F_{+}$ in the decay $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ is presented. Using $2.93$ fb $^{- 1}$ of $e^{+} e^{-} \to ψ (3770) \to D D ˉ$ data collected by the B…

hep-ex2022★ 6 cited

Improved measurement of the absolute branching fraction of inclusive semileptonic $Λ_{c}^{+}$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +563

Using $4.5 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data samples collected at center-of-mass energies ranging from 4.600 to 4.698 GeV with the BESIII detector at the BEPCII colli…

hep-ex2022★ 17 cited

Study of $e^{+} e^{-} \to Ω^{-} Ω ˉ^{+}$ at center-of-mass energies from 3.49 to 3.67 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +565

Using data samples of $e^{+} e^{-}$ collisions collected with the BESIII detector at eight center-of-mass energy points between 3.49 and 3.67 GeV, corresponding to an integrated luminos…

hep-ex2022★ 42 cited

Search for an axion-like particle in radiative $J / ψ$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +588

We search for an axion-like particle (ALP) $a$ through the process $ψ (3686) \to π^{+} π^{-} J / ψ$ , $J / ψ \to γ a$ , $a \to γ γ$ in a data sample of $(2.71 \pm 0.01) \times 1 0^{9}$ …

hep-ex2022★ 6 cited

Evidence for $η_{c}$ (2S)$\to\pipieta$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +567

The decay $η_c(2S)\to\pipieta$ is searched for through the radiative transition $ψ (3686) \to γ η_{c} (2 S)$ using 448 million $ψ$ (3686) events accumulated at the BESIII detector. The fir…

hep-ex2022★ 12 cited

Measurements of Differential Cross Sections of Inclusive $π^{0}$ and $K_{S}^{0}$ Production in $e^{+} e^{-}$ Annihilation at Energies from 2.2324 to 3.6710 GeV

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

Based on electron positron collision data collected with the BESIII detector operating at the BEPCII storage rings, the differential cross sections of inclusive $π^{0}$ and $K_{S}^{0}$ p…

hep-ex2022★ 30 cited

Observation of the $Y (4230)$ and evidence for a new vector charmonium-like state $Y (4710)$ in $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} J / ψ$

M. Ablikim, M. N. Achasov, P. Adlarson +563

Cross sections for the process $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} J / ψ$ at center-of-mass energies from $4.128$ to $4.950$ GeV are measured using data samples with a total integra…

hep-ex2022★ 7 cited

Study of $e^{+} e^{-} \to γ ϕ J / ψ$ from $s = 4.600$ to $4.951$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +571

Using data samples with an integrated luminosity of $6.4$ ~fb $^{- 1}$ collected by the BESIII detector operating at the BEPCII storage ring, the process of $e^{+} e^{-} \to γ ϕ J / ψ$ is studie…

hep-ex2022★ 7 cited

Observation of the $J / ψ$ and $ψ (3686)$ decays into $η Σ^{+} Σ ˉ^{-}$

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

The decays $J / ψ \to η Σ^{+} Σ ˉ^{-}$ and $ψ (3686) \to η Σ^{+} Σ ˉ^{-}$ are observed for the first time, using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ and $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ(…

Search for the leptonic decays D∗+→e+νe​ and D∗+→μ+νμ​

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

Production of doubly-charged Δ baryon in e+e− annihilation at energies from 2.3094 to 2.6464 GeV

Study of the e+e−→π+π−ω process at center-of-mass energies between 4.0 and 4.6 GeV

Measurement of Λ transverse polarization in e+e− collisions at s​=3.68−3.71 GeV

Improved measurement of the branching fractions of the inclusive decays D+→KS0​X and D0→KS0​X

Observation of the decay Ds+​→ωπ+η

Measurement of branching fraction of Ds∗+​→Ds+​π0 relative to Ds∗+​→Ds+​γ

Helicity amplitude analysis of χcJ​→ϕϕ

Measurements of the branching fractions of the inclusive decays D0(D+)→π+π+π−X

Observation of ψ(3770)→ηJ/ψ

Search for the weak radiative decay Λc+​→Σ+γ at BESIII

First Direct Measurement of the Absolute Branching Fraction of Σ+→Λe+νe​

Measurement of the absolute branching fraction of the inclusive decay Ds+​→π+π+π−X

Observation of a New X(3872) Production Process e+e−→ωX(3872)

Measurement of the CP-even fraction of D0→K+K−π+π−

Improved measurement of the absolute branching fraction of inclusive semileptonic Λc+​ decay

Study of e+e−→Ω−Ωˉ+ at center-of-mass energies from 3.49 to 3.67 GeV

Search for an axion-like particle in radiative J/ψ decays

Evidence for ηc​(2S)$\to\pipieta$ decay

Measurements of Differential Cross Sections of Inclusive π0 and KS0​ Production in e+e− Annihilation at Energies from 2.2324 to 3.6710 GeV

Observation of the Y(4230) and evidence for a new vector charmonium-like state Y(4710) in e+e−→KS0​KS0​J/ψ

Study of e+e−→γϕJ/ψ from s​=4.600 to 4.951 GeV

Observation of the J/ψ and ψ(3686) decays into ηΣ+Σˉ−

Search for the leptonic decays $D^{+} \to e^{+} ν_{e}$ and $D^{+} \to μ^{+} ν_{μ}$

Production of doubly-charged $Δ$ baryon in $e^{+} e^{-}$ annihilation at energies from 2.3094 to 2.6464 GeV

Study of the $e^{+} e^{-} \to π^{+} π^{-} ω$ process at center-of-mass energies between 4.0 and 4.6 GeV

Measurement of $Λ$ transverse polarization in $e^{+} e^{-}$ collisions at $s = 3.68 - 3.71$ GeV

Improved measurement of the branching fractions of the inclusive decays $D^{+} \to K_{S}^{0} X$ and $D^{0} \to K_{S}^{0} X$

Observation of the decay $D_{s}^{+} \to ω π^{+} η$

Measurement of branching fraction of $D_{s}^{+} \to D_{s}^{+} π^{0}$ relative to $D_{s}^{+} \to D_{s}^{+} γ$

Helicity amplitude analysis of $χ_{c J} \to ϕϕ$

Measurements of the branching fractions of the inclusive decays $D^{0} (D^{+}) \to π^{+} π^{+} π^{-} X$

Observation of $ψ (3770) \to η J / ψ$

Search for the weak radiative decay $Λ_{c}^{+} \to Σ^{+} γ$ at BESIII

First Direct Measurement of the Absolute Branching Fraction of $Σ^{+} \to Λ e^{+} ν_{e}$

Measurement of the absolute branching fraction of the inclusive decay $D_{s}^{+} \to π^{+} π^{+} π^{-} X$

Observation of a New $X (3872)$ Production Process $e^{+} e^{-} \to ω X (3872)$

Measurement of the $C P$ -even fraction of $D^{0} \to K^{+} K^{-} π^{+} π^{-}$

Improved measurement of the absolute branching fraction of inclusive semileptonic $Λ_{c}^{+}$ decay

Study of $e^{+} e^{-} \to Ω^{-} Ω ˉ^{+}$ at center-of-mass energies from 3.49 to 3.67 GeV

Search for an axion-like particle in radiative $J / ψ$ decays

Evidence for $η_{c}$ (2S)$\to\pipieta$ decay

Measurements of Differential Cross Sections of Inclusive $π^{0}$ and $K_{S}^{0}$ Production in $e^{+} e^{-}$ Annihilation at Energies from 2.2324 to 3.6710 GeV

Observation of the $Y (4230)$ and evidence for a new vector charmonium-like state $Y (4710)$ in $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} J / ψ$

Study of $e^{+} e^{-} \to γ ϕ J / ψ$ from $s = 4.600$ to $4.951$ GeV

Observation of the $J / ψ$ and $ψ (3686)$ decays into $η Σ^{+} Σ ˉ^{-}$