C. Geng

activity

20242026

collaborators

17 papers

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

Single Inclusive $I ¨ ^{\pm}$ 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

Observation of $D \to K ˉ_{1} (1270) I^¼^{+} I^½_{I^} ¼$ and test of lepton flavor universality with $D \to K ˉ_{1} (1270) ℓ^{+} I^½_{ℓ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +651

By analyzing 7.93 $f b^{- 1}$ of $e^{+} e^{-}$ collision data collected at the center-of-mass energy of 3.773 GeV with the BESIII detector operated at the BEPCII collider, we report t…

hep-ex2025

Precise measurement of the form factors in $D^{0} \to K^{} (892)^{-} I^¼^{+} I^½_{I^} ¼$ and test of lepton universality with $D^{0} \to K^{} (892)^{-} ℓ^{+} I^½_{ℓ}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +688

We report a study of the semileptonic decay $D^{0} \to K ˉ^{0} I ¨ ^{-} I^¼^{+} I^½_{I^} ¼$ based on a sample of $7.9 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at a center…

hep-ex2025

Evidence of doubly OZI-suppressed decay $I^\cdot_{c} \to I ¨ I ¨ $ in the radiative decay $J / I ¨ \to I^^{3} I^\cdot_{c}$

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

Using a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / I ¨ $ events collected with the BESIII detector at the BEPCII collider, the first evidence for the doubly OZI-suppressed decay $Î·_{…

hep-ex2025

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

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

The non-leptonic two-body weak decays $I^£^{+} \to p I ¨ ^{0}$ and $I^ˉ £^{-} \to p ˉ I ¨ ^{0}$ are investigated, utilizing $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / I ¨ $ events and $(2.7…

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

Single Inclusive I¨± and K± Production in e+e− Annihilation at center-of-mass Energies from 2.000 to 3.671GeV

Observation of D→Kˉ1​(1270)I^¼+I^½I^​¼ and test of lepton flavor universality with D→Kˉ1​(1270)ℓ+I^½ℓ​

Precise measurement of the form factors in D0→K∗(892)−I^¼+I^½I^​¼ and test of lepton universality with D0→K∗(892)−ℓ+I^½ℓ​ decays

Evidence of doubly OZI-suppressed decay I^⋅c​→I¨I¨ in the radiative decay J/I¨→I^3I^⋅c​

Stringent test of CP symmetry in I^£+ hyperon decays

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

Single Inclusive $I ¨ ^{\pm}$ and $K^{\pm}$ Production in $e^{+} e^{-}$ Annihilation at center-of-mass Energies from 2.000 to 3.671GeV

Observation of $D \to K ˉ_{1} (1270) I^¼^{+} I^½_{I^} ¼$ and test of lepton flavor universality with $D \to K ˉ_{1} (1270) ℓ^{+} I^½_{ℓ}$

Precise measurement of the form factors in $D^{0} \to K^{} (892)^{-} I^¼^{+} I^½_{I^} ¼$ and test of lepton universality with $D^{0} \to K^{} (892)^{-} ℓ^{+} I^½_{ℓ}$ decays

Evidence of doubly OZI-suppressed decay $I^\cdot_{c} \to I ¨ I ¨ $ in the radiative decay $J / I ¨ \to I^^{3} I^\cdot_{c}$

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