T. Chang

activity

20212026

C P

symmetry in the entangled

Ξ^{0} - Ξ ˉ^{0}

Pairs

45 citations · 511 across the 107 of their papers we have counts for

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60 papers · 1 filter

hep-ex2023

Observation of significant flavor-SU(3) breaking in the kaon wave function at $12 GeV^{2} < Q^{2} < 25 GeV^{2}$ and discovery of the charmless decay $ψ (3770) \to K_{S}^{0} K_{L}^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +618

We present cross sections for the reaction $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0}$ at center-of-mass energies ranging from 3.51 GeV to 4.95 GeV using data samples collected in the BESIII experiment…

hep-ex2023★ 6 cited

First observation of $Λ_{c}^{+} \to Λ K^{+} π^{0}$ and evidence of $Λ_{c}^{+} \to Λ K^{+} π^{+} π^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +619

We present the first observation of the singly Cabibbo-suppressed decay $Λ_{c}^{+} \to Λ K^{+} π^{0}$ with a significance of $5.7 σ$ and the first evidence of $Λ_c^+ \rightarrow ΛK^+π…

hep-ex2023★ 7 cited

Evidence of the Singly Cabibbo Suppressed decay $Λ_{c}^{+} \to p π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +610

Evidence for the singly Cabibbo suppressed decay $Λ_{c}^{+} \to p π^{0}$ is reported for the first time with a statistical significance of $3.7 σ$ based on 6.0 $fb^{- 1}$ of $e^+e^-…

hep-ex2023

Observation and branching fraction measurement of the decay $J / ψ \to p ˉ Σ^{+} K_{S}^{0} + c . c .$

M. Ablikim, M. N. Achasov, P. Adlarson +612

The first observation of the decays $J / ψ \to p ˉ Σ^{+} K_{S}^{0}$ and $J / ψ \to p Σ ˉ^{-} K_{S}^{0}$ is reported using $(10087 \pm 44) \times 1 0^{6}$ $J\!/\!…

hep-ex2023

Search for a muonphilic scalar $X_{0}$ or vector $X_{1}$ via $J / ψ \to μ^{+} μ^{-} + invisible$ decays at BESII

BESIII Collaboration, M. Ablikim, M. N. Achasov +619

A light scalar $X_{0}$ or vector $X_{1}$ particles have been introduced as a possible explanation for the $(g - 2)_{μ}$ anomaly and dark matter phenomena. Using $(8.998\pm 0.039)\times…

hep-ex2023★ 2 cited

Observation of the $ψ (3686)$ decays into $Σ^{+} Σ ˉ^{-} ω$ and $Σ^{+} Σ ˉ^{-} ϕ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

Based on $(27.08 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the $ψ (3686) \to Σ^{+} Σ ˉ^{-} ω$ and $Σ^{+} Σ ˉ^{-} ϕ$ d…

hep-ex2023★ 1 cited

Search for $J / ψ$ weak decays containing $D$ meson

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

Using a sample of about 10 billion $J / ψ$ events with the BESIII detector, we search for the weak decays of $J / ψ \to D ˉ^{0} π^{0} + c . c .$ , $J / ψ \to D ˉ^{0} η + c . c .$ , $J/ψ\to \bar{D}^…

hep-ex2023★ 17 cited

Observation of the Anomalous Shape of $X (1840)$ in $J / ψ \to γ 3 (π^{+} π^{-})$ Indicating a Second Resonance Near $p p ˉ$ Threshold

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

Using a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events, which is about 45 times larger than that was previously analyzed, a further investigation on the $J/ψ\rightarrow γ3(π^+π^-…

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

Observation of $ψ (3686) \to Λ Λ ˉ η^{'}$ decay

M. Ablikim

Using a sample of $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector, the decay $ψ (3686) \to Λ Λ ˉ η^{'}$ with $η^{'}$ subsequently decaying into $γπ^+…

hep-ex2023★ 5 cited

Measurements of the absolute branching fractions of $Ω^{-}$ decays and test of the $Δ I = 1/2$ rule

BESIII Collaboration, M. Ablikim, M. N. Achasov +610

Based on a data set of $(27.12 \pm 0.10) \times 1 0^{8}$ $ψ (3686)$ events collected at the BESIII experiment, the absolute branching fractions of the three dominant $Ω^{-}$ decays are meas…

hep-ex2023

Search for the semileptonic decays $D_{s}^{+} \to K_{1} (1270)^{0} e^{+} ν_{e}$ and $D_{s}^{+} \to b_{1} (1235)^{0} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

By analyzing 7.33\,fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, we search for the semileptonic de…

hep-ex2023★ 3 cited

A coupled-channel analysis of the $X (3872)$ lineshape with BESIII data

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

We perform a study of the $X (3872)$ lineshape using the data samples of $e^{+} e^{-} \to γ X (3872)$ , $X (3872) \to D^{0} D ˉ^{0} π^{0}$ and $π^{+} π^{-} J / ψ$ collected with the BESIII detector. The…

hep-ex2023

Investigation of the $Δ I = 1/2$ rule and test of CP violation through the measurement of decay asymmetry parameters in $Ξ^{-}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, numerous $Ξ^{-}$ and $Λ$ decay asymmetry parameters are simultaneously determined from the process…

hep-ex2023★ 3 cited

Measurement of the $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0} π^{0}$ cross sections from $s =$ 2.000 to 3.080 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

Based on $e^{+} e^{-}$ collision data collected at center-of-mass energies from 2.000 to 3.080 GeV by the BESIII detector at the BEPCII collider, a partial wave analysis is performe…

hep-ex2023★ 1 cited

Observation of the Singly Cabibbo-Suppressed Decay $Λ_{c}^{+} \to Σ^{-} K^{+} π^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +616

The singly Cabibbo-suppressed decay $Λ_{c}^{+} \to Σ^{-} K^{+} π^{+}$ is observed for the first time with a statistical significance of $6.4 σ$ by using 4.5 fb $^{- 1}$ of $e^{+} e^{-}$ colli…

hep-ex2023★ 14 cited

Measurement of the cross section of $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ at center-of-mass energies between 3.510 and 4.843 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +610

Using $e^{+} e^{-}$ collision data corresponding to a total integrated luminosity of 12.9 $f b^{- 1}$ collected with the BESIII detector at the BEPCII collider, the exclusive Born cross s…

hep-ex2023

Improved measurement of the branching fractions for $J / ψ \to γ π^{0}$ , $γ η$ and $γ η^{'}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +609

Using a data sample of $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected with the BESIII detector, the decays of $J / ψ \to γ π^{0} (η, η^{'}) \to γ γ γ$ are studied. Newly measu…

hep-ex2023★ 2 cited

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

BESIII Collaboration, M. Ablikim, M. N. Achasov +596

Using $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected by the BESIII detector at the BEPCII collider, we search for the lepton number violation decay $ϕ \to π^{+} π^{+} e^{-} e^{-}$ …

hep-ex2023

Measurement of the $e^{+} e^{-} \to Λ Σ ˉ^{0} + c . c .$ cross sections at $s$ from 2.3094 to 3.0800 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

The Born cross sections and effective form factors of the process $e^{+} e^{-} \to Λ Σ ˉ^{0} + c . c .$ are measured at 14 center-of-mass energy points from 2.3094 to 3.0800 GeV, based on dat…

hep-ex2023★ 11 cited

Study of excited $Ξ$ states in $ψ (3686) \to K^{-} Λ Ξ^{+} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +599

Based on a sample of $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at BEPCII, the decays of $ψ (3686) \to K^{-} Λ Ξ^{+} + c . c .$ with $\overl…

hep-ex2023★ 2 cited

Search for the light hadron decay $χ_{c 1} (3872) \to π^{+} π^{-} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

With a data sample corresponding to an integrated luminosity of 11.5~fb $^{- 1}$ collected with the BESIII detector operating at the BEPCII storage ring, for the first time the light…

hep-ex2023

Study of $e^{+} e^{-} \to η ϕ$ at center-of-mass energies from 3.773 to 4.600 GeV

M. Ablikim, M. N. Achasov, P. Adlarson +610

We present a study of the process $e^{+} e^{-} \to η ϕ$ using data samples collected with the BESIII detector corresponding to an integrated luminosity of 15.03 fb $^{- 1}$ at 23 center-…

hep-ex2023

Observation of the decay $J / ψ \to e^{+} e^{-} η (1405)$ with $η (1405) \to π^{0} f_{0} (980)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +612

Using a data sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected by the BESIII detector in 2009, 2012, 2018 and 2019, the electromagnetic Dalitz process $J/ψ\to e^+ e^- η(14…

Observation of significant flavor-SU(3) breaking in the kaon wave function at 12 GeV2<Q2<25 GeV2 and discovery of the charmless decay ψ(3770)→KS0​KL0​

First observation of Λc+​→ΛK+π0 and evidence of Λc+​→ΛK+π+π−

Evidence of the Singly Cabibbo Suppressed decay Λc+​→pπ0

Observation and branching fraction measurement of the decay J/ψ→pˉ​Σ+KS0​+c.c.

Search for a muonphilic scalar X0​ or vector X1​ via J/ψ→μ+μ−+invisible decays at BESII

Observation of the ψ(3686) decays into Σ+Σˉ−ω and Σ+Σˉ−ϕ

Search for J/ψ weak decays containing D meson

Observation of the Anomalous Shape of X(1840) in J/ψ→γ3(π+π−) Indicating a Second Resonance Near ppˉ​ Threshold

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

Observation of ψ(3686)→ΛΛˉη′ decay

Measurements of the absolute branching fractions of Ω− decays and test of the ΔI=1/2 rule

Search for the semileptonic decays Ds+​→K1​(1270)0e+νe​ and Ds+​→b1​(1235)0e+νe​

A coupled-channel analysis of the X(3872) lineshape with BESIII data

Investigation of the ΔI=1/2 rule and test of CP violation through the measurement of decay asymmetry parameters in Ξ− decays

Measurement of the e+e−→KS0​KL0​π0 cross sections from s​= 2.000 to 3.080 GeV

Observation of the Singly Cabibbo-Suppressed Decay Λc+​→Σ−K+π+

Measurement of the cross section of e+e−→Ξ−Ξˉ+ at center-of-mass energies between 3.510 and 4.843 GeV

Improved measurement of the branching fractions for J/ψ→γπ0, γη and γη′

Search for the lepton number violation decay ϕ→π+π+e−e− via J/ψ→ϕη

Measurement of the e+e−→ΛΣˉ0+c.c. cross sections at s​ from 2.3094 to 3.0800 GeV

Study of excited Ξ states in ψ(3686)→K−ΛΞ++c.c.

Search for the light hadron decay χc1​(3872)→π+π−η

Study of e+e−→ηϕ at center-of-mass energies from 3.773 to 4.600 GeV

Observation of the decay J/ψ→e+e−η(1405) with η(1405)→π0f0​(980)

Observation of significant flavor-SU(3) breaking in the kaon wave function at $12 GeV^{2} < Q^{2} < 25 GeV^{2}$ and discovery of the charmless decay $ψ (3770) \to K_{S}^{0} K_{L}^{0}$

First observation of $Λ_{c}^{+} \to Λ K^{+} π^{0}$ and evidence of $Λ_{c}^{+} \to Λ K^{+} π^{+} π^{-}$

Evidence of the Singly Cabibbo Suppressed decay $Λ_{c}^{+} \to p π^{0}$

Observation and branching fraction measurement of the decay $J / ψ \to p ˉ Σ^{+} K_{S}^{0} + c . c .$

Search for a muonphilic scalar $X_{0}$ or vector $X_{1}$ via $J / ψ \to μ^{+} μ^{-} + invisible$ decays at BESII

Observation of the $ψ (3686)$ decays into $Σ^{+} Σ ˉ^{-} ω$ and $Σ^{+} Σ ˉ^{-} ϕ$

Search for $J / ψ$ weak decays containing $D$ meson

Observation of the Anomalous Shape of $X (1840)$ in $J / ψ \to γ 3 (π^{+} π^{-})$ Indicating a Second Resonance Near $p p ˉ$ Threshold

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

Observation of $ψ (3686) \to Λ Λ ˉ η^{'}$ decay

Measurements of the absolute branching fractions of $Ω^{-}$ decays and test of the $Δ I = 1/2$ rule

Search for the semileptonic decays $D_{s}^{+} \to K_{1} (1270)^{0} e^{+} ν_{e}$ and $D_{s}^{+} \to b_{1} (1235)^{0} e^{+} ν_{e}$

A coupled-channel analysis of the $X (3872)$ lineshape with BESIII data

Investigation of the $Δ I = 1/2$ rule and test of CP violation through the measurement of decay asymmetry parameters in $Ξ^{-}$ decays

Measurement of the $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0} π^{0}$ cross sections from $s =$ 2.000 to 3.080 GeV

Observation of the Singly Cabibbo-Suppressed Decay $Λ_{c}^{+} \to Σ^{-} K^{+} π^{+}$

Measurement of the cross section of $e^{+} e^{-} \to Ξ^{-} Ξ ˉ^{+}$ at center-of-mass energies between 3.510 and 4.843 GeV

Improved measurement of the branching fractions for $J / ψ \to γ π^{0}$ , $γ η$ and $γ η^{'}$

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

Measurement of the $e^{+} e^{-} \to Λ Σ ˉ^{0} + c . c .$ cross sections at $s$ from 2.3094 to 3.0800 GeV

Study of excited $Ξ$ states in $ψ (3686) \to K^{-} Λ Ξ^{+} + c . c .$

Search for the light hadron decay $χ_{c 1} (3872) \to π^{+} π^{-} η$

Study of $e^{+} e^{-} \to η ϕ$ at center-of-mass energies from 3.773 to 4.600 GeV

Observation of the decay $J / ψ \to e^{+} e^{-} η (1405)$ with $η (1405) \to π^{0} f_{0} (980)$