H. J. Li

activity

20202024

most citedFirst Detection of sub-PeV Diffuse Gamma Rays from the Galactic Disk: Evidence for Ubiquitous Galactic Cosmic Rays beyond PeV Energies

234 citations · 408 across the 16 of their papers we have counts for

collaborators

16 papers

hep-ex2024★ 5 cited

Observation of the charmonium decay $η_{c} \to γ γ$ in $J / ψ \to γ η_{c}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +662

Using $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, the decay $η_{c} \to γ γ$ in $J / ψ \to γ η_{c}$ is observed. We determine the p…

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★ 7 cited

Updated measurements of the M1 transition $ψ (3686) \to γ η_{c} (2 S)$ with $η_{c} (2 S) \to K K ˉ π$

BESIII Collaboration, M. Ablikim, M. N. Achasov +620

Based on a data sample of $(27.08 \pm 0.14) \times 1 0^{8} ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, the M1 transition $ψ (3686) \to γ η_{c} (2 S)$ with…

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…

astro-ph.HE2021★ 234 cited

First Detection of sub-PeV Diffuse Gamma Rays from the Galactic Disk: Evidence for Ubiquitous Galactic Cosmic Rays beyond PeV Energies

M. Amenomori, Y. W. Bao, X. J. Bi +92

We report, for the first time, the long-awaited detection of diffuse gamma rays with energies between 100 TeV and 1 PeV in the Galactic disk. Particularly, all gamma rays above 398…

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★ 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…

Observation of the charmonium decay ηc​→γγ in J/ψ→γηc​

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

Updated measurements of the M1 transition ψ(3686)→γηc​(2S) with ηc​(2S)→KKˉπ

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.

First Detection of sub-PeV Diffuse Gamma Rays from the Galactic Disk: Evidence for Ubiquitous Galactic Cosmic Rays beyond PeV Energies

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

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

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