R. Kappert

activity

20182024

most citedFuture Physics Programme of BESIII

566 citations · 3.8k across the 228 of their papers we have counts for

collaborators

Showing 2023Show all

44 papers · 1 filter

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★ 2 cited

Search for the lepton number violation decay $ϕ \to π^{+} π^{+} e^{-} e^{-}$ via $J / ψ \to ϕ η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +596

Using $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected by the BESIII detector at the BEPCII collider, we search for the lepton number violation decay $ϕ \to π^{+} π^{+} e^{-} e^{-}$ …

hep-ex2023

Measurement of the $e^{+} e^{-} \to Λ Σ ˉ^{0} + c . c .$ cross sections at $s$ from 2.3094 to 3.0800 GeV

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

The Born cross sections and effective form factors of the process $e^{+} e^{-} \to Λ Σ ˉ^{0} + c . c .$ are measured at 14 center-of-mass energy points from 2.3094 to 3.0800 GeV, based on dat…

hep-ex2023★ 11 cited

Study of excited $Ξ$ states in $ψ (3686) \to K^{-} Λ Ξ^{+} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +599

Based on a sample of $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at BEPCII, the decays of $ψ (3686) \to K^{-} Λ Ξ^{+} + c . c .$ with $\overl…

hep-ex2023★ 2 cited

Search for the light hadron decay $χ_{c 1} (3872) \to π^{+} π^{-} η$

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

With a data sample corresponding to an integrated luminosity of 11.5~fb $^{- 1}$ collected with the BESIII detector operating at the BEPCII storage ring, for the first time the light…

hep-ex2023

Study of $e^{+} e^{-} \to η ϕ$ at center-of-mass energies from 3.773 to 4.600 GeV

M. Ablikim, M. N. Achasov, P. Adlarson +610

We present a study of the process $e^{+} e^{-} \to η ϕ$ using data samples collected with the BESIII detector corresponding to an integrated luminosity of 15.03 fb $^{- 1}$ at 23 center-…

hep-ex2023

Observation of the decay $J / ψ \to e^{+} e^{-} η (1405)$ with $η (1405) \to π^{0} f_{0} (980)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +612

Using a data sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected by the BESIII detector in 2009, 2012, 2018 and 2019, the electromagnetic Dalitz process $J/ψ\to e^+ e^- η(14…

hep-ex2023

Studies of the decay $D_{s}^{+} \to K^{+} K^{-} μ^{+} ν_{μ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +608

The $D_{s}^{+} \to K^{+} K^{-} μ^{+} ν_{μ}$ decay is studied based on 7.33 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at center-of-mass energies in the range from 4.12…

hep-ex2023★ 43 cited

Measurement of the Energy-Dependent Electromagnetic Form Factors of a Charmed Baryon

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

We study the process $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c}^{-}$ at twelve center-of-mass energies from $4.6119$ to $4.9509 GeV$ using data samples collected by the BESIII detecto…

hep-ex2023

Measurement of $e^{+} e^{-} \to p K^{-} Λ ˉ + c . c .$ cross sections between 4.009 GeV and 4.951 GeV

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

Using $e^{+} e^{-}$ collision datasets corresponding to total integrated luminosity of 21.7 fb $^{- 1}$ collected with the BESIII detector at the BEPCII collider at center-of-mass energie…

hep-ex2023★ 14 cited

Observation of $D_{s}^{+} \to η^{'} μ^{+} ν_{μ}$ , Precision Test of Lepton Flavor Universality with $D_{s}^{+} \to η^{(')} ℓ^{+} ν_{ℓ}$ , and First Measurements of $D_{s}^{+} \to η^{(')} μ^{+} ν_{μ}$ Decay Dynamics

BESIII Collaboration, M. Ablikim, M. N. Achasov +596

By analyzing 7.33 fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, we report the observation of th…

hep-ex2023★ 3 cited

Study of $Λ_{c}^{+} \to Λ μ^{+} ν_{μ}$ and Test of Lepton Flavor Universality with $Λ_{c}^{+} \to Λ ℓ^{+} ν_{ℓ}$ Decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +614

The measurement of the Cabibbo-favored semileptonic decay $Λ_{c}^{+} \to Λ μ^{+} ν_{μ}$ is reported using $4.5 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at center-of-m…

hep-ex2023★ 5 cited

Precise measurement of the branching fractions of $J / ψ \to Λ ˉ π^{+} Σ^{-} + c . c .$ and $J / ψ \to Λ ˉ π^{-} Σ^{+} + c . c .$

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

Based on a data sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, the branching fraction of $J / ψ \to Λ ˉ π^{+} Σ^{-} + c . c .$ is measured to be…

hep-ex2023★ 16 cited

Precision Measurements of $D_{s}^{+} \to η e^{+} ν_{e}$ and $D_{s}^{+} \to η^{'} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +602

Precision measurements of the semileptonic decays $D_{s}^{+} \to η e^{+} ν_{e}$ and $D_{s}^{+} \to η^{'} e^{+} ν_{e}$ are performed with 7.33\,fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at c…

hep-ex2023★ 27 cited

First study of reaction $Ξ^{0} n \to Ξ^{-} p$ using $Ξ^{0}$ -nucleus scattering at an electron-positron collider

BESIII Collaboration, M. Ablikim, M. N. Achasov +604

Using $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected with the BESIII detector at the BEPCII storage ring, the process $Ξ^{0} n \to Ξ^{-} p$ is studied, where the $Ξ^{0}$ …

hep-ex2023

Determination of spin and parity of $D_{(s)}^{*}$ mesons

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

The spin and parity of the charmed mesons $D_{s}^{*+}$ , $D^{* 0}$ and $D^{*+}$ are determined for the first time to be $J^{P} = 1^{-}$ with significances greater than 10 $σ$ over other h…

hep-ex2023

Precise measurement of the $e^{+} e^{-} \to D_{s}^{+} D_{s}^{-}$ cross sections at center-of-mass energies from threshold to 4.95 GeV

BESIII Collaboration

The process $e^{+} e^{-} \to D_{s}^{*+} D_{s}^{*-}$ is studied with a semi-inclusive method using data samples at center-of-mass energies from threshold to 4.95 GeV coll…

hep-ex2023★ 3 cited

Search for baryon and lepton number violating decays of $Ξ^{0}$ hyperons

BESIII Collaboration, M. Ablikim, M. N. Achasov +602

Using $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected by the BESIII detector at the BEPCII collider, we report the first search for the baryon and lepton number violating d…

hep-ex2023★ 4 cited

Determination of the $C P$ -even fraction of $D^{0} \to K_{S}^{0} π^{+} π^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +608

Quantum-correlated $D D ˉ$ pairs collected by the BESIII experiment at the $ψ (3770)$ resonance, corresponding to an integrated luminosity of 2.93 fb $^{- 1}$ , are used to study th…

hep-ex2023

Amplitude analysis and branching fraction measurement of the decay $D^{+} \to K_{S}^{0} π^{+} π^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +612

Using 2.93 $fb^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at the center-of-mass energy 3.773\,GeV, we perform the first amplitude analysis of the deca…

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

Search for a scalar partner of the $X (3872)$ via $ψ (3770)$ decays into $γ η η^{'}$ and $γ π^{+} π^{-} J / ψ$

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

Using a data sample corresponding to an integrated luminosity of 2.93 fb $^{- 1}$ collected at a center-of-mass energy of 3.773~GeV with the BESIII detector at the BEPCII collider, w…

hep-ex2023★ 45 cited

Tests of $C P$ symmetry in the entangled $Ξ^{0} - Ξ ˉ^{0}$ Pairs

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

The $J / ψ \to Ξ^{0} Ξ ˉ^{0}$ process and subsequent decays are investigated using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected at the BESIII experiment. The decay parameters of…

hep-ex2023★ 7 cited

Search for $Λ ˉ$ - $Λ$ oscillations in the decay $J / ψ \to p K^{-} Λ ˉ + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +454

We report the first search for $Λ ˉ$ -- $Λ$ oscillations in the decay $J / ψ \to p K^{-} Λ ˉ + c . c .$ by analyzing $1.31 \times 1 0^{9}$ $J / ψ$ events accumulated with the BESIII detector at…

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

Search for the lepton number violation decay ϕ→π+π+e−e− via J/ψ→ϕη

Measurement of the e+e−→ΛΣˉ0+c.c. cross sections at s​ from 2.3094 to 3.0800 GeV

Study of excited Ξ states in ψ(3686)→K−ΛΞ++c.c.

Search for the light hadron decay χc1​(3872)→π+π−η

Study of e+e−→ηϕ at center-of-mass energies from 3.773 to 4.600 GeV

Observation of the decay J/ψ→e+e−η(1405) with η(1405)→π0f0​(980)

Studies of the decay Ds+​→K+K−μ+νμ​

Measurement of the Energy-Dependent Electromagnetic Form Factors of a Charmed Baryon

Measurement of e+e−→pK−Λˉ+c.c. cross sections between 4.009 GeV and 4.951 GeV

Observation of Ds+​→η′μ+νμ​, Precision Test of Lepton Flavor Universality with Ds+​→η(′)ℓ+νℓ​, and First Measurements of Ds+​→η(′)μ+νμ​ Decay Dynamics

Study of Λc+​→Λμ+νμ​ and Test of Lepton Flavor Universality with Λc+​→Λℓ+νℓ​ Decays

Precise measurement of the branching fractions of J/ψ→Λˉπ+Σ−+c.c. and J/ψ→Λˉπ−Σ++c.c.

Precision Measurements of Ds+​→ηe+νe​ and Ds+​→η′e+νe​

First study of reaction Ξ0n→Ξ−p using Ξ0-nucleus scattering at an electron-positron collider

Determination of spin and parity of D(s)∗​ mesons

Precise measurement of the e+e−→Ds∗+​Ds∗−​ cross sections at center-of-mass energies from threshold to 4.95 GeV

Search for baryon and lepton number violating decays of Ξ0 hyperons

Determination of the CP-even fraction of D0→KS0​π+π−π0

Amplitude analysis and branching fraction measurement of the decay D+→KS0​π+π0π0

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

Search for a scalar partner of the X(3872) via ψ(3770) decays into γηη′ and γπ+π−J/ψ

Tests of CP symmetry in the entangled Ξ0−Ξˉ0 Pairs

Search for Λˉ-Λ oscillations in the decay J/ψ→pK−Λˉ+c.c.

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

Search for the lepton number violation decay $ϕ \to π^{+} π^{+} e^{-} e^{-}$ via $J / ψ \to ϕ η$

Measurement of the $e^{+} e^{-} \to Λ Σ ˉ^{0} + c . c .$ cross sections at $s$ from 2.3094 to 3.0800 GeV

Study of excited $Ξ$ states in $ψ (3686) \to K^{-} Λ Ξ^{+} + c . c .$

Search for the light hadron decay $χ_{c 1} (3872) \to π^{+} π^{-} η$

Study of $e^{+} e^{-} \to η ϕ$ at center-of-mass energies from 3.773 to 4.600 GeV

Observation of the decay $J / ψ \to e^{+} e^{-} η (1405)$ with $η (1405) \to π^{0} f_{0} (980)$

Studies of the decay $D_{s}^{+} \to K^{+} K^{-} μ^{+} ν_{μ}$

Measurement of $e^{+} e^{-} \to p K^{-} Λ ˉ + c . c .$ cross sections between 4.009 GeV and 4.951 GeV

Observation of $D_{s}^{+} \to η^{'} μ^{+} ν_{μ}$ , Precision Test of Lepton Flavor Universality with $D_{s}^{+} \to η^{(')} ℓ^{+} ν_{ℓ}$ , and First Measurements of $D_{s}^{+} \to η^{(')} μ^{+} ν_{μ}$ Decay Dynamics

Study of $Λ_{c}^{+} \to Λ μ^{+} ν_{μ}$ and Test of Lepton Flavor Universality with $Λ_{c}^{+} \to Λ ℓ^{+} ν_{ℓ}$ Decays

Precise measurement of the branching fractions of $J / ψ \to Λ ˉ π^{+} Σ^{-} + c . c .$ and $J / ψ \to Λ ˉ π^{-} Σ^{+} + c . c .$

Precision Measurements of $D_{s}^{+} \to η e^{+} ν_{e}$ and $D_{s}^{+} \to η^{'} e^{+} ν_{e}$

First study of reaction $Ξ^{0} n \to Ξ^{-} p$ using $Ξ^{0}$ -nucleus scattering at an electron-positron collider

Determination of spin and parity of $D_{(s)}^{*}$ mesons

Precise measurement of the $e^{+} e^{-} \to D_{s}^{+} D_{s}^{-}$ cross sections at center-of-mass energies from threshold to 4.95 GeV

Search for baryon and lepton number violating decays of $Ξ^{0}$ hyperons

Determination of the $C P$ -even fraction of $D^{0} \to K_{S}^{0} π^{+} π^{-} π^{0}$

Amplitude analysis and branching fraction measurement of the decay $D^{+} \to K_{S}^{0} π^{+} π^{0} π^{0}$

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

Search for a scalar partner of the $X (3872)$ via $ψ (3770)$ decays into $γ η η^{'}$ and $γ π^{+} π^{-} J / ψ$

Tests of $C P$ symmetry in the entangled $Ξ^{0} - Ξ ˉ^{0}$ Pairs

Search for $Λ ˉ$ - $Λ$ oscillations in the decay $J / ψ \to p K^{-} Λ ˉ + c . c .$