Meng Liu

activity

20232025

most citedObservation of a rare beta decay of the charmed baryon with a Graph Neural Network

13 citations · 84 across the 60 of their papers we have counts for

collaborators

Showing 2025Show all

24 papers · 1 filter

hep-ex2025

Updated model-independent measurement of the strong-phase differences between $D^{0}$ and $D ˉ^{0} \to K_{S / L}^{0} π^{+} π^{-}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +688

The strong-phase differences between $D^{0} \to K_{S / L}^{0} π^{+} π^{-}$ and $D ˉ^{0} \to K_{S / L}^{0} π^{+} π^{-}$ decays are one of the most important inputs in measuring the $C P$ violating angle…

hep-ex2025★ 1 cited

Precise measurement of the form factors in $D^{0} \to K^{} (892)^{-} μ^{+} ν_{μ}$ and test of lepton universality with $D^{0} \to K^{} (892)^{-} ℓ^{+} ν_{ℓ}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +688

We report a study of the semileptonic decay $D^{0} \to K ˉ^{0} π^{-} μ^{+} ν_{μ}$ based on a sample of $7.9 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at a center-of-…

hep-ex2025

Search for the baryon and lepton number violating decay $J / ψ \to p e^{-}$ + c.c

BESIII Collaboration, M. Ablikim, M. N. Achasov +667

Based on $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected by the BESIII detector operating at the BEPCII storage ring, we perform a search for the baryon- and lepton-…

hep-ex2025★ 5 cited

Test of lepton flavor universality with measurements of $R (D^{+})$ and $R (D^{*+})$ using semileptonic $B$ tagging at the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +450

We report measurements of the ratios of branching fractions ${\cal R}(D^{(*)+}) = \frac{{\cal B}(\overline{B}{}^0 \to D^{(*)+} \,τ^- \, \overlineν_τ)}{{\cal B}(\overline{B}{}^0 \to…

hep-ex2025★ 1 cited

Observation of Transverse Polarization and Determination of Psionic Form Factors of the $Λ$ Hyperon at $s = 3.773$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Using a data sample of $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 20.3 fb $^{- 1}$ collected by the BESIII detector at the BEPCII collider, we present a…

hep-ex2025

Measurement of the branching fractions of doubly Cabibbo-suppressed $D$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +653

By analyzing $e^{+} e^{-}$ collision data collected at the center-of-mass energy of 3.773~GeV with the BESIII detector, corresponding to an integrated luminosity of 20.3~fb $^{- 1}$ , we m…

hep-ex2025

Measurement of the Branching Fraction of $Λ_{c}^{+} \to p K_{S}^{0} π^{0}$ at Belle

The Belle, Belle II Collaborations, : +426

We report a precise measurement of the ratio of branching fractions $B (Λ_{c}^{+} \to p K_{S}^{0} π^{0}) / B (Λ_{c}^{+} \to p K^{-} π^{+})$ using 980 fb $^{- 1}$ of $e^{+} e^{-}$ data from th…

hep-ex2025

Search for a $1^{-+}$ molecular state via $e^{+} e^{-} \to γ D_{s}^{+} D_{s 1}^{-} (2536) + c . c .$

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

We search, for the first time, for an exotic molecular state with quantum numbers $J^{P C} = 1^{-+}$ , called $X$ , via the process $e^{+} e^{-} \to γ D_{s}^{+} D_{s 1}^{-} (2536) + c . c .$ us…

hep-ex2025

Measurement of the branching fractions of $D^{+} \to K^{+} K^{-} π^{+} π^{+} π^{-}$ , $ϕ π^{+} π^{+} π^{-}$ , $K_{S}^{0} K^{+} π^{+} π^{-} π^{0}$ , $K_{S}^{0} K^{+} η$ , and $K_{S}^{0} K^{+} ω$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +686

Using $20.3 fb^{- 1}$ of $e^{+} e^{-}$ collision data collected at a center-of-mass energy of 3.773 GeV with the BESIII detector operating at the BEPCII collider, the branching…

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

Precision measurement of the branching fraction for the decay $ψ (2 S) \to τ^{+} τ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +684

Using $(2259.3 \pm 11.1) \times 1 0^{6}$ $ψ (2 S)$ events acquired with the BESIII detector, the branching fraction of $ψ (2 S) \to τ^{+} τ^{-}$ is measured with improved precision t…

hep-ex2025★ 4 cited

Measurement of $B^{+} \to τ^{+} ν_{τ}$ branching fraction with a hadronic tagging method at Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +341

We present a measurement of the branching fraction of $B^{+} \to τ^{+} ν_{τ}$ decays using $(387 \pm 6) \times 1 0^{6}$ $Υ (4 S)$ collected between 2019 and 2022 with the Belle II detector at the S…

hep-ex2025

Single Inclusive $π^{\pm}$ and $K^{\pm}$ Production in $e^{+} e^{-}$ Annihilation at center-of-mass Energies from 2.000 to 3.671GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +699

Using data samples with a total integrated luminosity of 253 $p b^{- 1}$ collected by the BESIII detector operating at the BEPCII collider, the differential cross-sections of inc…

hep-ex2025

Amplitude analysis of $ψ (3686) \to γ K_{S}^{0} K_{S}^{0}$

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

Using $(2712 \pm 14) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector, we perform the first amplitude analysis of the radiative decay $ψ (3686) \to γ K_{S}^{0} K_{S}^{0}$ within t…

hep-ex2025

Search for Pcs(4459) and Pcs(4338) in Upsilon(1S,2S) inclusive decays at Belle

I. Adachi, L. Aggarwal, H. Ahmed +402

Using data samples of 102 million Upsilon(1S) events and 158 million Upsilon(2S) events collected by the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we search f…

hep-ex2025

Search for $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} h_{c}$

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

Using $e^{+} e^{-}$ collision data at 13 center-of-mass energies ranging from 4.600 to 4.950 GeV collected with the BESIII detector, we search for the unmeasured $e^+e^-\to K_S^0 K_S^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-ex2025

Cross section measurement of $e^{+} e^{-} \to f_{1} (1285) π^{+} π^{-}$ at center-of-mass energies between $3.808$ and $4.951 GeV$

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

Using data samples collected by the \mbox{BESIII} detector located at the Beijing Electron Positron Collider, the cross sections of the process $e^{+} e^{-} \to f_{1} (1285) π^{+} π^{-}$ are me…

hep-ex2025★ 2 cited

Search for $K_{S}^{0}$ invisible decays

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

Based on $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected with the BESIII detector at the BEPCII $e^{+} e^{-}$ storage ring, we search for $K_{S}^{0}$ invisible decays via the $J…

hep-ex2025

Search for the leptonic decay $D^{+} \to e^{+} ν_{e}$

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

We search for the leptonic decay $D^{+} \to e^{+} ν_{e}$ using an $e^{+} e^{-}$ collision data sample with an integrated luminosity of 20.3~fb $^{- 1}$ collected with the BESIII detector at the…

hep-ex2025

Observation of $ψ (3686) \to K^{-} Λ (1520) Ξ ˉ^{+} + c . c .$

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

Based on $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected at the BESIII detector operating at the BEPCII collider, we present the first observation of the decay $ψ(3686) \…

hep-ex2025

Search for $η_{c} (2 S) \to p p ˉ K^{+} K^{-}$ and measurement of $χ_{c J} \to p p ˉ K^{+} K^{-}$ in $ψ (3686)$ radiative decays

M. Ablikim, M. N. Achasov, P. Adlarson +647

A search for $η_{c} (2 S) \to p p ˉ K^{+} K^{-}$ , together with measurement of branching fractions of $χ_{c J (J = 0, 1, 2)} \to p p ˉ K^{+} K^{-}$ in the $ψ (3686) \to γ η_{c} (2 S)$ and the $ψ(3686) \to…

hep-ex2025

Observation of Charmonium $h_{c}$ Radiative Decays to Multiple Light Hadrons and the Tensor State $f_{2} (1270)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +668

Using $ψ (3686) \to π^{0} h_{c}$ decays from a data sample of $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected by the BESIII detector at the BEPCII collider, $h_{c}$ rad…

hep-ex2025★ 1 cited

Study of $η \to π^{+} π^{-} l^{+} l^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +639

Using a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events accumulated with the BESIII detector, we analyze the decays $η \to π^{+} π^{-} l^{+} l^{-}$ ( $l = e$ or $μ$ ) via the process $J/ψ…

Updated model-independent measurement of the strong-phase differences between D0 and Dˉ0→KS/L0​π+π− decays

Precise measurement of the form factors in D0→K∗(892)−μ+νμ​ and test of lepton universality with D0→K∗(892)−ℓ+νℓ​ decays

Search for the baryon and lepton number violating decay J/ψ→pe− + c.c

Test of lepton flavor universality with measurements of R(D+) and R(D∗+) using semileptonic B tagging at the Belle II experiment

Observation of Transverse Polarization and Determination of Psionic Form Factors of the Λ Hyperon at s​=3.773 GeV

Measurement of the branching fractions of doubly Cabibbo-suppressed D decays

Measurement of the Branching Fraction of Λc+​→pKS0​π0 at Belle

Search for a 1−+ molecular state via e+e−→γDs+​Ds1−​(2536)+c.c.

Measurement of the branching fractions of D+→K+K−π+π+π−, ϕπ+π+π−, KS0​K+π+π−π0, KS0​K+η, and KS0​K+ω decays

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

Precision measurement of the branching fraction for the decay ψ(2S)→τ+τ−

Measurement of B+→τ+ντ​ branching fraction with a hadronic tagging method at Belle II

Single Inclusive π± and K± Production in e+e− Annihilation at center-of-mass Energies from 2.000 to 3.671GeV

Amplitude analysis of ψ(3686)→γKS0​KS0​

Search for Pcs(4459) and Pcs(4338) in Upsilon(1S,2S) inclusive decays at Belle

Search for e+e−→KS0​KS0​hc​

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

Cross section measurement of e+e−→f1​(1285)π+π− at center-of-mass energies between 3.808 and 4.951GeV

Search for KS0​ invisible decays

Search for the leptonic decay D+→e+νe​

Observation of ψ(3686)→K−Λ(1520)Ξˉ++c.c.

Search for ηc​(2S)→ppˉ​K+K− and measurement of χcJ​→ppˉ​K+K− in ψ(3686) radiative decays

Observation of Charmonium hc​ Radiative Decays to Multiple Light Hadrons and the Tensor State f2​(1270)

Study of η→π+π−l+l−

Updated model-independent measurement of the strong-phase differences between $D^{0}$ and $D ˉ^{0} \to K_{S / L}^{0} π^{+} π^{-}$ decays

Precise measurement of the form factors in $D^{0} \to K^{} (892)^{-} μ^{+} ν_{μ}$ and test of lepton universality with $D^{0} \to K^{} (892)^{-} ℓ^{+} ν_{ℓ}$ decays

Search for the baryon and lepton number violating decay $J / ψ \to p e^{-}$ + c.c

Test of lepton flavor universality with measurements of $R (D^{+})$ and $R (D^{*+})$ using semileptonic $B$ tagging at the Belle II experiment

Observation of Transverse Polarization and Determination of Psionic Form Factors of the $Λ$ Hyperon at $s = 3.773$ GeV

Measurement of the branching fractions of doubly Cabibbo-suppressed $D$ decays

Measurement of the Branching Fraction of $Λ_{c}^{+} \to p K_{S}^{0} π^{0}$ at Belle

Search for a $1^{-+}$ molecular state via $e^{+} e^{-} \to γ D_{s}^{+} D_{s 1}^{-} (2536) + c . c .$

Measurement of the branching fractions of $D^{+} \to K^{+} K^{-} π^{+} π^{+} π^{-}$ , $ϕ π^{+} π^{+} π^{-}$ , $K_{S}^{0} K^{+} π^{+} π^{-} π^{0}$ , $K_{S}^{0} K^{+} η$ , and $K_{S}^{0} K^{+} ω$ decays

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

Precision measurement of the branching fraction for the decay $ψ (2 S) \to τ^{+} τ^{-}$

Measurement of $B^{+} \to τ^{+} ν_{τ}$ branching fraction with a hadronic tagging method at Belle II

Single Inclusive $π^{\pm}$ and $K^{\pm}$ Production in $e^{+} e^{-}$ Annihilation at center-of-mass Energies from 2.000 to 3.671GeV

Amplitude analysis of $ψ (3686) \to γ K_{S}^{0} K_{S}^{0}$

Search for $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} h_{c}$

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

Cross section measurement of $e^{+} e^{-} \to f_{1} (1285) π^{+} π^{-}$ at center-of-mass energies between $3.808$ and $4.951 GeV$

Search for $K_{S}^{0}$ invisible decays

Search for the leptonic decay $D^{+} \to e^{+} ν_{e}$

Observation of $ψ (3686) \to K^{-} Λ (1520) Ξ ˉ^{+} + c . c .$

Search for $η_{c} (2 S) \to p p ˉ K^{+} K^{-}$ and measurement of $χ_{c J} \to p p ˉ K^{+} K^{-}$ in $ψ (3686)$ radiative decays

Observation of Charmonium $h_{c}$ Radiative Decays to Multiple Light Hadrons and the Tensor State $f_{2} (1270)$

Study of $η \to π^{+} π^{-} l^{+} l^{-}$