H. L. Yang

activity

20212025

Λ_{c}^{+} \to Λ a_{0} (980)^{+}

and Evidence for

Σ (1380)^{+}

Λ_{c}^{+} \to Λ π^{+} η

11 citations · 31 across the 28 of their papers we have counts for

collaborators

28 papers

hep-ex2025

Search for sub-GeV invisible particles in inclusive decays of $J / ψ$ to $ϕ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +696

A search for an invisible particle, $X$ , with a mass between 0 and 0.96 $GeV / c^{2}$ , is performed in the process $J / ψ \to ϕ + X$ using $(8774.0\pm39.4)\times…

hep-ex2025★ 2 cited

Unraveling the structure of $Λ$ hyperons with polarized $Λ Λ ˉ$ pairs

The BESIII Collaboration

With data collected in a dedicated energy scan from 2.3864 up to 3.0800 GeV, the BESIII collaboration provides the first complete energy-dependent measurements of the $Λ$ electroma…

hep-ex2025★ 1 cited

Partial Wave Analysis of $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ and Cross Section Measurement of $e^{+} e^{-} \to π^{\pm} Z_{c} (3900)^{\mp}$ from 4.1271 to 4.3583 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +645

Based on 12.0 $f b^{- 1}$ of $e^{+} e^{-}$ collision data samples collected by the BESIII detector at center-of-mass energies from 4.1271 to 4.3583 GeV, a partial wave analys…

hep-ex2025

Evidence of doubly OZI-suppressed decay $η_{c} \to ω ϕ$ in the radiative decay $J / ψ \to γ η_{c}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +678

Using a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector at the BEPCII collider, the first evidence for the doubly OZI-suppressed decay $η_{c}…

hep-ex2025

First observation of $Λ_{c} (2595)^{+} \to Λ_{c}^{+} π^{0} π^{0}$ and $Λ_{c} (2625)^{+} \to Λ_{c}^{+} π^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +658

By analysing $e^{+} e^{-}$ annihilation data corresponding to an integrated luminosity of 368.48~pb $^{- 1}$ collected at the centre-of-mass energies of $s = 4.918$ and $4.951$ ~GeV…

hep-ex2025★ 2 cited

Search for the FCNC charmonium decay $J / ψ \to D^{0} μ^{+} μ^{-} + c.c.$

BESIII Collaboration, M. Ablikim, M. N. Achasov +678

Based on a data sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events taken with the BESIII detector, we search for the flavor-changing neutral current charmonium decay $J/ψ\to D^{0}…

hep-ex2025★ 2 cited

Observation of $D \to K ˉ_{1} (1270) μ^{+} ν_{μ}$ and test of lepton flavor universality with $D \to K ˉ_{1} (1270) ℓ^{+} ν_{ℓ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +651

By analyzing 7.93 $f b^{- 1}$ of $e^{+} e^{-}$ collision data collected at the center-of-mass energy of 3.773 GeV with the BESIII detector operated at the BEPCII collider, we report t…

hep-ex2024★ 2 cited

Partial wave analyses of $ψ (3686) \to p p ˉ π^{0}$ and $ψ (3686) \to p p ˉ η$

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

Using a sample of $(2712 \pm 14) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector, we perform partial wave analyses of the decays $ψ (3686) \to p p ˉ π^{0}$ and $ψ(3686)\…

hep-ex2024★ 2 cited

Partial wave analysis of $ψ (3686) \to Λ Σ ˉ^{0} π^{0} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +649

Based on a sample of $(2712.4 \pm 14.3) \times 1 0^{6} ψ (3686)$ events collected with the BESIII detector, a partial wave analysis of the decay $ψ (3686) \to Λ Σ ˉ^{0} π^{0} + c . c .$ is performed…

hep-ex2024★ 11 cited

Observation of $Λ_{c}^{+} \to Λ a_{0} (980)^{+}$ and Evidence for $Σ (1380)^{+}$ in $Λ_{c}^{+} \to Λ π^{+} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +644

Based on $6.1 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at center-of-mass energies from 4.600 to 4.843 GeV with the BESIII detector at the BEPCII collider, a partia…

hep-ex2024

Search for $X (1870)$ via the decay $J / ψ \to ω K^{+} K^{-} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +649

Using a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected by the BESIII detector at the BEPCII collider, we search for the decay $X (1870) \to K^{+} K^{-} η$ via the $J/ψ\to ωK…

hep-ex2024★ 1 cited

Observation of the decay $h_{c} \to 3 (π^{+} π^{-}) π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +648

Based on $(2712.4 \pm 14.1) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector, we study the decays $h_{c} \to 3 (π^{+} π^{-}) π^{0}$ , $h_{c} \to 2 (π^{+} π^{-}) ω$ , $h_{c}\to2(π…

hep-ex2024

Measurement of absolute branching fractions of $D_{s}^{+}$ hadronic decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +642

Using $e^{+} e^{-}$ collision data collected at the BESIII detector at center-of-mass energies between 4.128 and 4.226 GeV, corresponding to an integrated luminosity of $7.33~{\rm fb}^…

hep-ex2024

Search for the production of deuterons and antideuterons in e^+e^- annihilation at center-of-mass energies between 4.13 and 4.70 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +603

Using a data sample of $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 19 fb $^{- 1}$ collected with the BESIII detector at the BEPCII collider, we search for th…

hep-ex2024

First measurements of the absolute branching fraction of $Λ_{c} (2625)^{+} \to Λ_{c}^{+} π^{+} π^{-}$ and upper limit on $Λ_{c} (2595)^{+} \to Λ_{c}^{+} π^{+} π^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +613

The absolute branching fraction of the decay $Λ_{c} (2625)^{+} \to Λ_{c}^{+} π^{+} π^{-}$ is measured for the first time to be $(50.7 \pm 5. 0_{stat.} \pm 4. 9_{syst.}) %$ with 36…

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-ex2024

Observation of structures in the processes $e^{+} e^{-} \to ω χ_{c 1}$ and $ω χ_{c 2}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +619

We present measurements of the Born cross sections for the processes $e^{+} e^{-} \to ω χ_{c 1}$ and $ω χ_{c 2}$ at center-of-mass energies $s$ from 4.308 to 4.951 GeV. The mea…

hep-ex2024

First study of antihyperon-nucleon scattering $Λ ˉ p \to Λ ˉ p$ and measurement of $Λ p \to Λ p$ cross section

BESIII Collaboration, M. Ablikim, M. N. Achasov +644

Using $(10.087 \pm 0.044) \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector at the BEPCII storage ring, the processes $Λ p \to Λ p$ and $Λ ˉ p \to Λ ˉ p$ are s…

hep-ex2023

Search for $D^{0} \to K_{S}^{0} K^{-} e^{+} ν_{e}$ , $D^{+} \to K_{S}^{0} K_{S}^{0} e^{+} ν_{e}$ , and $D^{+} \to K^{+} K^{-} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

A search has been performed for the semileptonic decays $D^{0} \to K_{S}^{0} K^{-} e^{+} ν_{e}$ , $D^{+} \to K_{S}^{0} K_{S}^{0} e^{+} ν_{e}$ and $D^{+} \to K^{+} K^{-} e^{+} ν_{e}$ , using…

hep-ex2023★ 1 cited

Amplitude Analysis of the Decays $D^{0} \to π^{+} π^{-} π^{+} π^{-}$ and $π^{+} π^{-} π^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +630

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

hep-ex2023

Investigation of the $Δ I = 1/2$ rule and test of CP violation through the measurement of decay asymmetry parameters in $Ξ^{-}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, numerous $Ξ^{-}$ and $Λ$ decay asymmetry parameters are simultaneously determined from the process…

hep-ex2023

Improved measurement of the branching fractions for $J / ψ \to γ π^{0}$ , $γ η$ and $γ η^{'}$

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

Using a data sample of $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected with the BESIII detector, the decays of $J / ψ \to γ π^{0} (η, η^{'}) \to γ γ γ$ are studied. Newly measu…

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

Measurement of $e^{+} e^{-} \to ϕ η^{'}$ cross sections at center-of-mass energies from 3.508 to 4.951 GeV and search for the decay $ψ (3770) \to ϕ η^{'}$

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

The cross sections of the $e^{+} e^{-} \to ϕ η^{'}$ process at center-of-mass energies from 3.508 to 4.951 GeV are measured with high precision using 26.1 fb $^{- 1}$ data collected with th…

Search for sub-GeV invisible particles in inclusive decays of J/ψ to ϕ

Unraveling the structure of Λ hyperons with polarized ΛΛˉ pairs

Partial Wave Analysis of e+e−→π+π−J/ψ and Cross Section Measurement of e+e−→π±Zc​(3900)∓ from 4.1271 to 4.3583 GeV

Evidence of doubly OZI-suppressed decay ηc​→ωϕ in the radiative decay J/ψ→γηc​

First observation of Λc​(2595)+→Λc+​π0π0 and Λc​(2625)+→Λc+​π0π0

Search for the FCNC charmonium decay J/ψ→D0μ+μ−+c.c.

Observation of D→Kˉ1​(1270)μ+νμ​ and test of lepton flavor universality with D→Kˉ1​(1270)ℓ+νℓ​

Partial wave analyses of ψ(3686)→ppˉ​π0 and ψ(3686)→ppˉ​η

Partial wave analysis of ψ(3686)→ΛΣˉ0π0+c.c.

Observation of Λc+​→Λa0​(980)+ and Evidence for Σ(1380)+ in Λc+​→Λπ+η

Search for X(1870) via the decay J/ψ→ωK+K−η

Observation of the decay hc​→3(π+π−)π0

Measurement of absolute branching fractions of Ds+​ hadronic decays

Search for the production of deuterons and antideuterons in e^+e^- annihilation at center-of-mass energies between 4.13 and 4.70 GeV

First measurements of the absolute branching fraction of Λc​(2625)+→Λc+​π+π− and upper limit on Λc​(2595)+→Λc+​π+π−

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

Observation of structures in the processes e+e−→ωχc1​ and ωχc2​

First study of antihyperon-nucleon scattering Λˉp→Λˉp and measurement of Λp→Λp cross section

Search for D0→KS0​K−e+νe​, D+→KS0​KS0​e+νe​, and D+→K+K−e+νe​

Amplitude Analysis of the Decays D0→π+π−π+π− and π+π−π0π0

Investigation of the ΔI=1/2 rule and test of CP violation through the measurement of decay asymmetry parameters in Ξ− decays

Improved measurement of the branching fractions for J/ψ→γπ0, γη and γη′

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

Measurement of e+e−→ϕη′ cross sections at center-of-mass energies from 3.508 to 4.951 GeV and search for the decay ψ(3770)→ϕη′

Search for sub-GeV invisible particles in inclusive decays of $J / ψ$ to $ϕ$

Unraveling the structure of $Λ$ hyperons with polarized $Λ Λ ˉ$ pairs

Partial Wave Analysis of $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ and Cross Section Measurement of $e^{+} e^{-} \to π^{\pm} Z_{c} (3900)^{\mp}$ from 4.1271 to 4.3583 GeV

Evidence of doubly OZI-suppressed decay $η_{c} \to ω ϕ$ in the radiative decay $J / ψ \to γ η_{c}$

First observation of $Λ_{c} (2595)^{+} \to Λ_{c}^{+} π^{0} π^{0}$ and $Λ_{c} (2625)^{+} \to Λ_{c}^{+} π^{0} π^{0}$

Search for the FCNC charmonium decay $J / ψ \to D^{0} μ^{+} μ^{-} + c.c.$

Observation of $D \to K ˉ_{1} (1270) μ^{+} ν_{μ}$ and test of lepton flavor universality with $D \to K ˉ_{1} (1270) ℓ^{+} ν_{ℓ}$

Partial wave analyses of $ψ (3686) \to p p ˉ π^{0}$ and $ψ (3686) \to p p ˉ η$

Partial wave analysis of $ψ (3686) \to Λ Σ ˉ^{0} π^{0} + c . c .$

Observation of $Λ_{c}^{+} \to Λ a_{0} (980)^{+}$ and Evidence for $Σ (1380)^{+}$ in $Λ_{c}^{+} \to Λ π^{+} η$

Search for $X (1870)$ via the decay $J / ψ \to ω K^{+} K^{-} η$

Observation of the decay $h_{c} \to 3 (π^{+} π^{-}) π^{0}$

Measurement of absolute branching fractions of $D_{s}^{+}$ hadronic decays

First measurements of the absolute branching fraction of $Λ_{c} (2625)^{+} \to Λ_{c}^{+} π^{+} π^{-}$ and upper limit on $Λ_{c} (2595)^{+} \to Λ_{c}^{+} π^{+} π^{-}$

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

Observation of structures in the processes $e^{+} e^{-} \to ω χ_{c 1}$ and $ω χ_{c 2}$

First study of antihyperon-nucleon scattering $Λ ˉ p \to Λ ˉ p$ and measurement of $Λ p \to Λ p$ cross section

Search for $D^{0} \to K_{S}^{0} K^{-} e^{+} ν_{e}$ , $D^{+} \to K_{S}^{0} K_{S}^{0} e^{+} ν_{e}$ , and $D^{+} \to K^{+} K^{-} e^{+} ν_{e}$

Amplitude Analysis of the Decays $D^{0} \to π^{+} π^{-} π^{+} π^{-}$ and $π^{+} π^{-} π^{0} π^{0}$

Investigation of the $Δ I = 1/2$ rule and test of CP violation through the measurement of decay asymmetry parameters in $Ξ^{-}$ decays

Improved measurement of the branching fractions for $J / ψ \to γ π^{0}$ , $γ η$ and $γ η^{'}$

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

Measurement of $e^{+} e^{-} \to ϕ η^{'}$ cross sections at center-of-mass energies from 3.508 to 4.951 GeV and search for the decay $ψ (3770) \to ϕ η^{'}$