G. Chen

activity

20192026

most citedSearch for high mass dijet resonances with a new background prediction method in proton-proton collisions at

s =

13 TeV

148 citations · 299 across the 16 of their papers we have counts for

collaborators

Showing 2025Show all

10 papers · 1 filter

hep-ex2025

Test of $C P$ Symmetry in the Neutral Decays of $Λ$ via $J / ψ \to Λ Λ ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +685

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, a full angular distribution analysis is carried out on the process $J/ψ\rightarrowΛ\barΛ\rightarro…

hep-ex2025

Measurements of absolute branching fractions of $D^{0 (+)} \to K K K π$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +697

Using an $e^{+} e^{-}$ sample of $20.3 f b^{- 1}$ collected at the center-of-mass energy $s =$ 3.773 GeV with the BESIII detector, we report measurements of several four-body h…

hep-ex2025

First Measurement of the $D_{s}^{+} \to K^{0} μ^{+} ν_{μ}$ Decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +693

We report the first measurement of the semileptonic decay $D_{s}^{+} \to K^{0} μ^{+} ν_{μ}$ , using a sample of $e^{+} e^{-}$ annihilation data corresponding to an integrated luminosity of $…

hep-ex2025

Precision Measurement of $D_{s}^{*+}$ - $D_{s}^{+}$ Mass Difference

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

We measure the mass difference between $D_{s}^{*+}$ and $D_{s}^{+}$ , $Δ m_{s}$ , using the decay chain $D_{s}^{*+} \to D_{s}^{+} (\to K^{+} K^{-} π^{+}) π^{0}$ , utilizing $e^{+} e^{-}$ annihi…

hep-ex2025★ 2 cited

Search for a hypothetical gauge boson and dark photons in charmonium transitions

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

We report a direct search for a new gauge boson, $X$ , with a mass of $17 MeV / c^{2}$ , which could explain the anomalous excess of $e^{+} e^{-}$ pairs observed in the $^{8} Be$ n…

hep-ex2025★ 1 cited

Study of the Magnetic Dipole Transition of $J / ψ \to γ η_{c}$ via $η_{c} \to p p ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +692

Using $(10.087 \pm 0.044) \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector at the $e^{+} e^{-}$ BEPCII collider, we present the first amplitude analysis of $J / ψ \to γ p p ˉ$ wit…

hep-ex2025

Search for the lepton number violating decay $η \to π^{+} π^{+} e^{-} e^{-} + c . c .$ via $J / ψ \to ϕ η$

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

Based on a sample of $(10.087 \pm 0.044) \times 1 0^{9} J / ψ$ events collected by the BESIII detector at the BEPCII collider, we perform the first search for the lepton number violati…

hep-ex2025

Measurement of the space-like $π^{0}$ transition form factor

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

Based on $2.93 fb^{- 1}$ of $e^{+} e^{-}$ collision data taken with the BESIII detector at a center-of-mass energy of $3.773 GeV$ , the two-photon fusion process $e^+e^-\t…

hep-ex2025

Search for the electromagnetic Dalitz decays $χ_{c J} \to e^{+} e^{-} ϕ$

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

Using a data sample of $(2.712 \pm 0.014) \times 1 0^{9}$ $ψ (3686)$ events collected at $s = 3.686$ GeV by the BESIII detector, we search for the rare electromagnetic Dalitz deca…

hep-ex2025

Observation of the $W$ -annihilation process $D_{s}^{+} \to ω ρ^{+}$ and measurement of $D_{s}^{+} \to ϕ ρ^{+}$ in $D_{s}^{+} \to π^{+} π^{+} π^{-} π^{0} π^{0}$ decays

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

We present the first amplitude analysis and branching fraction measurement of the decay $D_{s}^{+} \to π^{+} π^{+} π^{-} π^{0} π^{0}$ , using $e^{+} e^{-}$ collision data collected with the BESIII detector…

Test of CP Symmetry in the Neutral Decays of Λ via J/ψ→ΛΛˉ

Measurements of absolute branching fractions of D0(+)→KKKπ decays

First Measurement of the Ds+​→K0μ+νμ​ Decay

Precision Measurement of Ds∗+​-Ds+​ Mass Difference

Search for a hypothetical gauge boson and dark photons in charmonium transitions

Study of the Magnetic Dipole Transition of J/ψ→γηc​ via ηc​→ppˉ​

Search for the lepton number violating decay η→π+π+e−e−+c.c. via J/ψ→ϕη

Measurement of the space-like π0 transition form factor

Search for the electromagnetic Dalitz decays χcJ​→e+e−ϕ

Observation of the W-annihilation process Ds+​→ωρ+ and measurement of Ds+​→ϕρ+ in Ds+​→π+π+π−π0π0 decays

Test of $C P$ Symmetry in the Neutral Decays of $Λ$ via $J / ψ \to Λ Λ ˉ$

Measurements of absolute branching fractions of $D^{0 (+)} \to K K K π$ decays

First Measurement of the $D_{s}^{+} \to K^{0} μ^{+} ν_{μ}$ Decay

Precision Measurement of $D_{s}^{*+}$ - $D_{s}^{+}$ Mass Difference

Study of the Magnetic Dipole Transition of $J / ψ \to γ η_{c}$ via $η_{c} \to p p ˉ$

Search for the lepton number violating decay $η \to π^{+} π^{+} e^{-} e^{-} + c . c .$ via $J / ψ \to ϕ η$

Measurement of the space-like $π^{0}$ transition form factor

Search for the electromagnetic Dalitz decays $χ_{c J} \to e^{+} e^{-} ϕ$

Observation of the $W$ -annihilation process $D_{s}^{+} \to ω ρ^{+}$ and measurement of $D_{s}^{+} \to ϕ ρ^{+}$ in $D_{s}^{+} \to π^{+} π^{+} π^{-} π^{0} π^{0}$ decays