C. Chen

activity

20232025

most citedObservation of charge-parity symmetry breaking in baryon decays

47 citations · 383 across the 166 of their papers we have counts for

collaborators

108 papers

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

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

Angular analysis of the decay $B_{s}^{0} \to ϕ e^{+} e^{-}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

An angular analysis of the decay $B_{s}^{0} \to ϕ e^{+} e^{-}$ is presented, using proton-proton collision data collected with the LHCb detector between 2011 and 2018 at centre-of-mass energie…

hep-ex2025★ 1 cited

Observation of the very rare $Σ^{+} \to p μ^{+} μ^{-}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1131

The first observation of the $Σ^{+} \to p μ^{+} μ^{-}$ decay is reported with high significance using proton-proton collision data, corresponding to an integrated luminosity of $5.4\,\rm…

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

Observation of $ψ (3686) \to Ξ^{-} K_{S}^{0} Ω ˉ^{+}$ +c.c

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

Using a sample of $(2.712 \pm 0.014) \times 1 0^{9}$ $ψ (3686)$ events collected with the BESIII detector at the electron positron collider BEPCII, the decay $ψ(3686) \to Ξ^- K^0_S \ba…

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★ 6 cited

Stringent test of $C P$ symmetry in $Σ^{+}$ hyperon decays

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

The non-leptonic two-body weak decays $Σ^{+} \to p π^{0}$ and $Σ ˉ^{-} \to p ˉ π^{0}$ are investigated, utilizing $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events and $(2.7124\p…

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★ 1 cited

Search for the $B_{c}^{+} \to χ_{c 1} (3872) π^{+}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1128

A search for the decay $B_{c}^{+} \to χ_{c 1} (3872) π^{+}$ is reported using proton-proton collision data collected with the LHCb detector between 2011 and 2018 at centre-of-mass en…

hep-ex2025★ 47 cited

Observation of charge-parity symmetry breaking in baryon decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1136

The Standard Model of particle physics-the theory of particles and interactions at the smallest scale-predicts that matter and antimatter interact differently due to violation of t…

hep-ex2025

Branching fraction measurement of the decay $B^{+} \to ψ (2 S) ϕ (1020) K^{+}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1133

The branching fraction of the decay $B^{+} \to ψ (2 S) ϕ (1020) K^{+}$ , relative to the topologically similar decay $B^{+} \to J / ψ ϕ (1020) K^{+}$ , is measured using proton-proton collision data co…

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★ 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

Improved measurement of absolute branching fraction of the inclusive decay $Λ_{c}^{+} \to K_{S}^{0} X$

BESIII Collaboration, M. Ablikim, M. N. Achasov +676

By analyzing $4.5$ fb $^{- 1}$ of $e^{+} e^{-}$ collision data accumulated with the BESIII detector at center-of-mass energies ranging from $4599.53$ MeV to $4698.82$ MeV, we report t…

hep-ex2025★ 4 cited

Observation of a new charmed baryon decaying to $Ξ_{c}^{+} π^{-} π^{+}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1139

The $Ξ_{c}^{+} π^{-} π^{+}$ spectrum is investigated using proton-proton collisions at a center-of-mass energy of 13TeV, corresponding to an integrated luminosity of 5.4fb $^{- 1}$ , collecte…

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★ 2 cited

Angular analysis of $B^{0} \to K^{* 0} e^{+} e^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1118

An angular analysis of $B^{0} \to K^{* 0} e^{+} e^{-}$ decays is presented using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7, 8…

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…

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

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

Angular analysis of the decay Bs0​→ϕe+e−

Observation of the very rare Σ+→pμ+μ− decay

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

Observation of ψ(3686)→Ξ−KS0​Ωˉ++c.c

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

Stringent test of CP symmetry in Σ+ hyperon decays

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

Search for the Bc+​→χc1​(3872)π+ decay

Observation of charge-parity symmetry breaking in baryon decays

Branching fraction measurement of the decay B+→ψ(2S)ϕ(1020)K+

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

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

Improved measurement of absolute branching fraction of the inclusive decay Λc+​→KS0​X

Observation of a new charmed baryon decaying to Ξc+​π−π+

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​

Angular analysis of B0→K∗0e+e− decays

Search for e+e−→KS0​KS0​hc​

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

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

Angular analysis of the decay $B_{s}^{0} \to ϕ e^{+} e^{-}$

Observation of the very rare $Σ^{+} \to p μ^{+} μ^{-}$ decay

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

Observation of $ψ (3686) \to Ξ^{-} K_{S}^{0} Ω ˉ^{+}$ +c.c

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

Stringent test of $C P$ symmetry in $Σ^{+}$ hyperon decays

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 $Λ_{c} (2625)^{+} \to Λ_{c}^{+} π^{0} π^{0}$

Search for the $B_{c}^{+} \to χ_{c 1} (3872) π^{+}$ decay

Branching fraction measurement of the decay $B^{+} \to ψ (2 S) ϕ (1020) K^{+}$

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

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

Improved measurement of absolute branching fraction of the inclusive decay $Λ_{c}^{+} \to K_{S}^{0} X$

Observation of a new charmed baryon decaying to $Ξ_{c}^{+} π^{-} π^{+}$

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 $ψ (3686) \to γ K_{S}^{0} K_{S}^{0}$

Angular analysis of $B^{0} \to K^{* 0} e^{+} e^{-}$ decays

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