L. Zhou

activity

19982025

e^{+} e^{-} \to π^{+} π^{-}

Cross Section between 600 and 900 MeV Using Initial State Radiation

253 citations · 722 across the 16 of their papers we have counts for

collaborators

16 papers

nucl-ex2025★ 12 cited

Comprehensive Measurement of the Reactor Antineutrino Spectrum and Flux at Daya Bay

F. P. An, W. D. Bai, A. B. Balantekin +196

This Letter reports the precise measurement of reactor antineutrino spectrum and flux based on the full data set of 4.7 million inverse-beta-decay (IBD) candidates collected at Day…

hep-ex2024★ 2 cited

Observation of the Electromagnetic Dalitz Transition $h_{c} \to e^{+} e^{-} η_{c}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +504

Using $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ decays and data samples of $e^{+} e^{-}$ collisions with $s$ from 4.130 to 4.780~GeV collected with the BESIII detector, we report the…

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…

nucl-ex2024

First measurement of the yield of $^{8}$ He isotopes produced in liquid scintillator by cosmic-ray muons at Daya Bay

Daya Bay Collaboration, F. P. An, W. D. Bai +197

Daya Bay presents the first measurement of cosmogenic $^{8}$ He isotope production in liquid scintillator, using an innovative method for identifying cascade decays of $^{8}$ He and its…

hep-ex2019★ 46 cited

Measurement of the cross section for $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ and observation of an excited $Ξ$ baryon

BESIII Collaboration, M. Ablikim, M. N. Achasov +483

Using a total of 11.0 fb $^{- 1}$ of $e^{+} e^{-}$ collision data with center-of-mass energies between 4.009 GeV and 4.6 GeV and collected with the BESIII detector at BEPCII, we measu…

hep-ex2018★ 23 cited

Search for a time-varying electron antineutrino signal at Daya Bay

Daya Bay Collaboration, D. Adey, F. P. An +196

A search for a time-varying $ν ˉ_{e}$ signal was performed with 621 days of data acquired by the Daya Bay Reactor Neutrino Experiment over 704 calendar days. The time spectrum of…

hep-ex2018★ 37 cited

Observation of $a_{0}^{0} (980)$ - $f_{0} (980)$ Mixing

M. Ablikim, M. N. Achasov, S. Ahmed +436

We report the first observation of $a_{0}^{0} (980)$ - $f_{0} (980)$ mixing in the decays of $J / ψ \to ϕ f_{0} (980) \to ϕ a_{0}^{0} (980) \to ϕ η π^{0}$ and $χ_{c1}\to a^{0}_{0}(980)π^{0}\to f_{0}…

hep-ex2017★ 9 cited

Evidence for $e^{+} e^{-} \to γ η_{c} (1 S)$ at center-of-mass energies between 4.01 and 4.60 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +439

We present first evidence for the process $e^{+} e^{-} \to γ η_{c} (1 S)$ at six center-of-mass energies between 4.01 and 4.60~GeV using data collected by the BESIII experiment operating at B…

hep-ex2016★ 13 cited

Observation of $J / ψ \to γ η π^{0}$

M. Ablikim, M. N. Achasov, X. C. Ai +412

We present the first study of the process $J / ψ \to γ η π^{0}$ using $(223.7 \pm 1.4) \times 1 0^{6}$ $J / ψ$ events accumulated with the BESIII detector at the BEPCII facility. The b…

hep-ex2015★ 89 cited

Measurement of the absolute branching fraction for $Λ_{c}^{+} \to Λ e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +65

We report the first absolute measurement of the branching fraction of $Λ_{c}^{+} \to Λ e^{+} ν_{e}$ . This measurement is based on 567 pb $^{- 1}$ of $e^{+} e^{-}$ annihilation data produce…

hep-ex2015★ 253 cited

Measurement of the $e^{+} e^{-} \to π^{+} π^{-}$ Cross Section between 600 and 900 MeV Using Initial State Radiation

M. Ablikim, M. N. Achasov, X. C. Ai +398

We extract the $e^{+} e^{-} \to π^{+} π^{-}$ cross section in the energy range between 600 and 900 MeV, exploiting the method of initial state radiation. A data set with an integrated…

hep-ex2015★ 21 cited

Observation of the isospin-violating decay $J / ψ \to ϕ π^{0} f_{0} (980)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +410

Using a sample of 1.31 billion $J / ψ$ events collected with the BESIII detector at the BEPCII collider, the decays $J / ψ \to ϕ π^{+} π^{-} π^{0}$ and $J / ψ \to ϕ π^{0} π^{0} π^{0}$ are invest…

hep-ex2012★ 9 cited

Precision measurements of branching fractions for $ψ^{'} \to π^{0} J ψ$ and $η J ψ$

M. Ablikim, M. N. Achasov, O. Albayrak +342

We present a precision study of the $\psip\toπ^0 J/ψ$ and $η J / ψ$ decay modes. The measurements are obtained using $106 \times 1 0^{6}$ $ψ^{'}$ events accumulated with the BESIII detector a…

hep-ex2011★ 154 cited

Study of $χ_{c J}$ radiative decays into a vector meson

BESIII Collaboration

The decays $χ_{c J} \to γ V$ ( $V = ϕ, ρ^{0}, ω$ ) are studied with a sample of radiative $\psip\toγχ_{cJ}$ events in a sample of $(1.06\pm0.04)\times 10^{8} \psip$ events collected with the…

hep-ex2005★ 20 cited

Precise measurement of spin-averaged chi_{cJ}(1P) mass using photon conversions in psi(2S) -> gamma chi_{cJ}

M. Ablikim, J. Z. Bai

Using photon conversions to e^+e^- pairs, the energy spectrum of inclusive photons from psi(2S) radiative decays is measured by BESII at the Beijing Electron-Positron Collider. The…

hep-ex1998★ 33 cited

Study of the P-wave charmonium state χ_{cJ} in ψ(2S) decays

J. Z. Bai

The processes $ψ (2 S) \to γ π^{+} π^{-}$ , $γ K^{+} K^{-}$ and $γ p p ˉ$ have been studied using a sample of $3.7 \times 1 0^{6}$ produced $ψ (2 S)$ decays. We determine the total width of the $χ…

Comprehensive Measurement of the Reactor Antineutrino Spectrum and Flux at Daya Bay

Observation of the Electromagnetic Dalitz Transition hc​→e+e−ηc​

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

First measurement of the yield of 8He isotopes produced in liquid scintillator by cosmic-ray muons at Daya Bay

Measurement of the cross section for e+e−→Ξ−Ξˉ+ and observation of an excited Ξ baryon

Search for a time-varying electron antineutrino signal at Daya Bay

Observation of a00​(980)-f0​(980) Mixing

Evidence for e+e−→γηc​(1S) at center-of-mass energies between 4.01 and 4.60 GeV

Observation of J/ψ→γηπ0

Measurement of the absolute branching fraction for Λc+​→Λe+νe​

Measurement of the e+e−→π+π− Cross Section between 600 and 900 MeV Using Initial State Radiation

Observation of the isospin-violating decay J/ψ→ϕπ0f0​(980)

Precision measurements of branching fractions for ψ′→π0Jψ and ηJψ

Study of χcJ​ radiative decays into a vector meson