W. Chang

activity

20242026

collaborators

9 papers

hep-ex2026

Dalitz decay of $K^{*} (892) \to K ℓ^{+} ℓ^{-}$ : A New Probe for Hadronic Structure and Dark Photon Searches

Benhou Xiang, Wanling Chang, Shuangshi Fang +1

We present the first comprehensive study of the rare Dalitz decay $K^{*} (892) \to K ℓ^{+} ℓ^{-} (ℓ = e, I^¼)$ , providing a prediction for the branching fraction and the d…

hep-ex2026

Improved measurement of the branching fraction of $D_{s}^{+} \to I^¼^{+} I^½_{I^} ¼$

BESIII Collaboration, M. Ablikim, M. N. Achasov +608

Using $e^{+} e^{-}$ collision data with an integrated luminosity of $7.33 fb^{- 1}$ collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector ope…

hep-ex2026

Study of the $f_{0} (980)$ and $f_{0} (500)$ Scalar Mesons through the Decay $D_{s}^{+} \to I ¨ ^{+} I ¨ ^{-} e^{+} I^½_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +605

Using $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 7.33~ $f b^{- 1}$ recorded by the BESIII detector at center-of-mass energies between 4.128 and 4.226~$…

hep-ex2025

Observation of resonant contribution to the $e^{+} e^{-} \to I^c ◯^{-} I^ˉ c ◯^{+}$ around 4.2 GeV and evidence of $I ¨ (3770) \to I^c ◯^{-} I^ˉ c ◯^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +635

Using $e^{+} e^{-}$ collision data corresponding to a total integrated luminosity of 22.7 fb $^{- 1}$ , collected at center-of-mass energies between 3.7 and 4.7 GeV with the BESIII detecto…

hep-ex2025

Test of local realism via entangled $I^ I^ˉ $ system

BESIII Collaboration, M. Ablikim, M. N. Achasov +608

The non-locality of quantum correlations is a fundamental feature of quantum theory. The Bell inequality serves as a benchmark for distinguishing between predictions made by quantu…

hep-ex2025

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

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

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

Dalitz decay of K∗(892)→Kℓ+ℓ−: A New Probe for Hadronic Structure and Dark Photon Searches

Improved measurement of the branching fraction of Ds+​→I^¼+I^½I^​¼

Study of the f0​(980) and f0​(500) Scalar Mesons through the Decay Ds+​→I¨+I¨−e+I^½e​

Observation of resonant contribution to the e+e−→I^c◯−I^ˉc◯+ around 4.2 GeV and evidence of I¨(3770)→I^c◯−I^ˉc◯+

Test of local realism via entangled I^I^ˉ system

Observation and branching fraction measurement of the decay J/I¨→pˉ​I^£+KS0​+c.c.

Dalitz decay of $K^{*} (892) \to K ℓ^{+} ℓ^{-}$ : A New Probe for Hadronic Structure and Dark Photon Searches

Improved measurement of the branching fraction of $D_{s}^{+} \to I^¼^{+} I^½_{I^} ¼$

Study of the $f_{0} (980)$ and $f_{0} (500)$ Scalar Mesons through the Decay $D_{s}^{+} \to I ¨ ^{+} I ¨ ^{-} e^{+} I^½_{e}$

Observation of resonant contribution to the $e^{+} e^{-} \to I^c ◯^{-} I^ˉ c ◯^{+}$ around 4.2 GeV and evidence of $I ¨ (3770) \to I^c ◯^{-} I^ˉ c ◯^{+}$

Test of local realism via entangled $I^ I^ˉ $ system

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