L. Xia

activity

20152025

most citedMeasurement of the center-of-mass energies at BESIII via the di-muon process

93 citations · 119 across the 13 of their papers we have counts for

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14 papers · 1 filter

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

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

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

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★ 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…

hep-ex2024★ 5 cited

Measurement of the Decay $Ξ^{0} \to Λ γ$ with Entangled $Ξ^{0} Ξ ˉ^{0}$ Pairs

BESIII Collaboration, M. Ablikim, M. N. Achasov +643

In this Letter, a systematic study of the weak radiative hyperon decay $Ξ^{0} \to Λ γ$ at an electron-positron collider using entangled $Ξ^{0} Ξ ˉ^{0}$ pair events is presented. The…

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★ 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-ex2022

Measurements of the electric and magnetic form factors of the neutron for time-like momentum transfer

BESIII Collaboration, M. Ablikim, M. N. Achasov +589

We present the first measurements of the electric and magnetic form factors of the neutron in the time-like (positive $q^{2}$ ) region as function of four-momentum transfer. We explor…

hep-ex2015★ 93 cited

Measurement of the center-of-mass energies at BESIII via the di-muon process

M. Ablikim, M. N. Achasov, X. C. Ai +407

From 2011 to 2014, the BESIII experiment collected about 5 fb $^{- 1}$ data at center-of-mass energies around 4 GeV for the studies of the charmonium-like and higher excited charmoni…

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

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

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

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​

Study of η→π+π−l+l−

Measurement of the Decay Ξ0→Λγ with Entangled Ξ0Ξˉ0 Pairs

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

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

Measurements of the electric and magnetic form factors of the neutron for time-like momentum transfer

Measurement of the center-of-mass energies at BESIII via the di-muon process

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

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

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

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 $D^{+} \to e^{+} ν_{e}$

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

Measurement of the Decay $Ξ^{0} \to Λ γ$ with Entangled $Ξ^{0} Ξ ˉ^{0}$ Pairs

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

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