L. L. Ma

activity

20202024

e^{+} e^{-} \to π^{0} π^{0} J / ψ

and neutral charmonium-like state

Z_{c} (3900)^{0}

53 citations · 237 across the 16 of their papers we have counts for

collaborators

16 papers

astro-ph.HE2024★ 27 cited

Measurement of Very-high-energy Diffuse Gamma-ray Emissions from the Galactic Plane with LHAASO-WCDA

The LHAASO Collaboration, Zhen Cao, F. Aharonian +312

The diffuse Galactic gamma-ray emission is a very important tool used to study the propagation and interaction of cosmic rays in the Milky Way. In this work, we report the measurem…

astro-ph.HE2024★ 39 cited

Stringent Tests of Lorentz Invariance Violation from LHAASO Observations of GRB 221009A

The LHAASO Collaboration, Zhen Cao, F. Aharonian +283

On October 9, 2022, the Large High Altitude Air Shower Observatory (LHAASO) reported the observation of the very early TeV afterglow of the brightest-of-all-time GRB 221009A, recor…

hep-ex2024★ 5 cited

Measurements of Normalized Differential Cross Sections of Inclusive $η$ Production in $e^{+} e^{-}$ Annihilation at Energy from 2.0000 to 3.6710 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +650

Using data samples collected with the BESIII detector operating at the BEPCII storage ring, the cross section of the inclusive process $e^{+} e^{-} \to η + X$ , normalized by the tota…

hep-ex2023★ 3 cited

Measurement of the absolute branching fraction of the three-body decay $Λ_{c}^{+} \to Ξ^{0} K^{+} π^{0}$ and search for $Λ_{c}^{+} \to n K^{+} π^{0}$ , $Σ^{0} K^{+} π^{0}$ and $Λ K^{+} π^{0}$

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

The Cabbibo-favored decay $Λ_{c}^{+} \to Ξ^{0} K^{+} π^{0}$ is studied for the first time using 6.1 fb $^{- 1}$ of $e^{+} e^{-}$ collision data at center-of-mass energies between 4.600 and 4.…

hep-ex2023★ 1 cited

Observation of the Singly Cabibbo-Suppressed Decay $Λ_{c}^{+} \to Σ^{-} K^{+} π^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +616

The singly Cabibbo-suppressed decay $Λ_{c}^{+} \to Σ^{-} K^{+} π^{+}$ is observed for the first time with a statistical significance of $6.4 σ$ by using 4.5 fb $^{- 1}$ of $e^{+} e^{-}$ colli…

hep-ex2023★ 9 cited

Determination of Spin-parity Quantum Numbers for the Narrow Structure Near the $p Λ ˉ$ Threshold in $e^{+} e^{-} \to p K^{-} Λ ˉ + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +593

A narrow structure in the $p Λ ˉ$ system near the mass threshold, named as $X (2085)$ , is observed in the process $e^{+} e^{-} \to p K^{-} Λ ˉ$ with a statistical significance greater th…

hep-ex2021★ 8 cited

Measurements of Born Cross Sections of $e^{+} e^{-} \to D_{s}^{*+} D_{s J}^{-} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +500

The Born cross sections are measured for the first time for the processes $e^{+} e^{-} \to D_{s}^{*+} D_{s 0}^{*} (2317)^{-} + c . c .$ and $e^{+} e^{-} \to D_{s}^{*+} D_{s 1} (2460)^{-} + c . c .$ at the center-of-m…

hep-ex2021★ 19 cited

Measurement of the absolute branching fraction of inclusive semielectronic $D_{s}^{+}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +503

We measure the inclusive semielectronic decay branching fraction of the $D_{s}^{+}$ meson. A double-tag technique is applied to $e^{+} e^{-}$ annihilation data collected by the BESIII exper…

hep-ex2021★ 7 cited

Study of the decay $D^{+} \to K^{*} (892)^{+} K_{S}^{0}$ in $D^{+} \to K^{+} K_{S}^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +503

Based on an $e^{+} e^{-}$ collision data sample corresponding to an integrated luminosity of 2.93 $fb^{- 1}$ collected with the BESIII detector at $\sqrt{s}=3.773 \mathrm{Ge…

hep-ex2021★ 9 cited

Determination of the absolute branching fractions of $D^{0} \to K^{-} e^{+} ν_{e}$ and $D^{+} \to K ˉ^{0} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +502

Using 2.93 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at a center-of-mass energy of 3.773 GeV, we measure the absolute branching fractions of the decay…

hep-ex2021★ 24 cited

Study of the process $e^{+} e^{-} \to ϕ η$ at center-of-mass energies between 2.00 and 3.08 GeV

M. Ablikim, M. N. Achasov, P. Adlarson +506

The process $e^{+} e^{-} \to ϕ η$ is studied at 22 center-of-mass energy points ( $s$ ) between 2.00 and 3.08 GeV using 715 pb $^{- 1}$ of data collected with the BESIII d…

hep-ex2021★ 12 cited

Search for the decay $D_{s}^{+} \to a_{0} (980)^{0} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +506

Using 6.32 fb $^{- 1}$ of electron-positron collision data recorded by the BESIII detector at center-of-mass energies between 4.178 and 4.226~GeV, we present the first search for the…

hep-ex2020★ 8 cited

Search for the lepton number violating decay $Σ^{-} \to p e^{-} e^{-}$ and the rare inclusive decay $Σ^{-} \to Σ^{+} X$

BESIII Collaboration, M. Ablikim, M. N. Achasov +499

Using a data sample of $(1310.6 \pm 7.0) \times 1 0^{6}$ $J / ψ$ events taken with the BESIII detector at the center-of-mass energy of 3.097 GeV, we search for the first time for the…

hep-ex2020★ 2 cited

Search for the reaction channel $e^{+} e^{-} \to η_{c} η π^{+} π^{-}$ at center-of-mass energies from 4.23 to 4.60 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +464

Using data collected with the BESIII detector operating at the Beijing Electron Positron Collider, we search for the process $e^{+} e^{-} \to η_{c} η π^{+} π^{-}$ . The search is performed…

hep-ex2020★ 11 cited

Determination of the $Λ_{c}^{+}$ spin via the reaction $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c}^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +484

We report on a comparison of two possible $Λ_{c}^{+}$ spin hypotheses, $J = \frac{1}{2}$ and $\frac{3}{2}$ , via the process $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c}^{-}$ , using the angular distributions of…

hep-ex2020★ 53 cited

Study of the process $e^{+} e^{-} \to π^{0} π^{0} J / ψ$ and neutral charmonium-like state $Z_{c} (3900)^{0}$

BESIII Collaboration

Cross sections of the process $e^{+} e^{-} \to π^{0} π^{0} J / ψ$ at center-of-mass energies between 3.808 and 4.600 GeV are measured with high precision by using 12.4 $f b^{- 1}$ of data samples…

Measurement of Very-high-energy Diffuse Gamma-ray Emissions from the Galactic Plane with LHAASO-WCDA

Stringent Tests of Lorentz Invariance Violation from LHAASO Observations of GRB 221009A

Measurements of Normalized Differential Cross Sections of Inclusive η Production in e+e− Annihilation at Energy from 2.0000 to 3.6710 GeV

Measurement of the absolute branching fraction of the three-body decay Λc+​→Ξ0K+π0 and search for Λc+​→nK+π0, Σ0K+π0 and ΛK+π0

Observation of the Singly Cabibbo-Suppressed Decay Λc+​→Σ−K+π+

Determination of Spin-parity Quantum Numbers for the Narrow Structure Near the pΛˉ Threshold in e+e−→pK−Λˉ+c.c.

Measurements of Born Cross Sections of e+e−→Ds∗+​DsJ−​+c.c.

Measurement of the absolute branching fraction of inclusive semielectronic Ds+​ decays

Study of the decay D+→K∗(892)+KS0​ in D+→K+KS0​π0

Determination of the absolute branching fractions of D0→K−e+νe​ and D+→Kˉ0e+νe​

Study of the process e+e−→ϕη at center-of-mass energies between 2.00 and 3.08 GeV

Search for the decay Ds+​→a0​(980)0e+νe​

Search for the lepton number violating decay Σ−→pe−e− and the rare inclusive decay Σ−→Σ+X

Search for the reaction channel e+e−→ηc​ηπ+π− at center-of-mass energies from 4.23 to 4.60 GeV

Determination of the Λc+​ spin via the reaction e+e−→Λc+​Λˉc−​

Study of the process e+e−→π0π0J/ψ and neutral charmonium-like state Zc​(3900)0