Y. Tian

collaborators

13 papers

hep-ex2025

Observation of $D^{+} \to K_{S}^{0} I ¨ ^{0} I^¼^{+} I^½_{I^} ¼$ , Test of Lepton Flavor Universality and First Angular Analysis of $D^{+} \to K ˉ^{*} (892)^{0} ℓ^{+} I^½_{ℓ}$

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

We report a study of the semileptonic decays $D^{+} \to K_{S}^{0} I ¨ ^{0} ℓ^{+} I^½_{ℓ}$ ( $ℓ = e, I^¼$ ) based on $20.3 fb^{- 1}$ of $e^{+} e^{-}$ collision data collected at the center-o…

hep-ex2025

Search for $J / I ¨ \to K_{S}^{0} K_{S}^{0}$ and $I ¨ (3686) \to K_{S}^{0} K_{S}^{0}$

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

Using data samples of $(10087 \pm 44) \times 1 0^{6}$ $J / I ¨ $ events and $(2712.4 \pm 14.3) \times 1 0^{6}$ $I ¨ (3686)$ events collected with the BESIII detector at the BEPCII collider, we s…

hep-ex2025

Study of $f_{1} (1420)$ and $I^\cdot (1405)$ in the decay $J / I ¨ \to I^^{3} I ¨ ^{0} I ¨ ^{0} I ¨ ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +652

A partial-wave analysis is performed on the decay $J / I ¨ \to I^^{3} I ¨ ^{0} I ¨ ^{0} I ¨ ^{0}$ within the $I ¨ ^{0} I ¨ ^{0} I ¨ ^{0}$ invariant-mass region below 1.6 GeV $/ c^{2}$ , using $(10.09~\pm~0.04)…

hep-ex2025

Measurement of the phase between strong and electromagnetic amplitudes in the decay $J / I ¨ \to I ¨ I^\cdot$

BESIII Collaboration, M. Ablikim, M. N. Achasov +652

The first direct measurement of the relative phase between the strong and electromagnetic amplitudes for a $J / I ¨ $ decaying into a vector-pseudoscalar final state is performed using…

hep-ex2025

Measurement of the $I^\cdot$ transition form factor through $I^\cdot^{'} \to I ¨ ^{+} I ¨ ^{-} I^\cdot$ decay

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

Based on a sample of $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / I ¨ $ events collected at BESIII, the transition form factor of the $I^\cdot$ meson is extracted by analyzing $J/Ï\toÎ³Î·',~Î·'\t…

hep-ex2025

A novel measurement of the strong-phase difference between $D^{0} \to K^{-} I ¨ ^{+}$ and $D ˉ^{0} \to K^{-} I ¨ ^{+}$ decays using $C$ -even and $C$ -odd quantum-correlated $D D ˉ$ pairs

BESIII Collaboration, M. Ablikim, M. N. Achasov +698

A novel measurement technique of strong-phase differences between the decay amplitudes of $D^{0}$ and $D ˉ^{0}$ mesons is introduced which exploits quantum-correlated $D D ˉ$ pa…

Observation of D+→KS0​I¨0I^¼+I^½I^​¼, Test of Lepton Flavor Universality and First Angular Analysis of D+→Kˉ∗(892)0ℓ+I^½ℓ​

Search for J/I¨→KS0​KS0​ and I¨(3686)→KS0​KS0​

Study of f1​(1420) and I^⋅(1405) in the decay J/I¨→I^3I¨0I¨0I¨0

Measurement of the phase between strong and electromagnetic amplitudes in the decay J/I¨→I¨I^⋅

Measurement of the I^⋅ transition form factor through I^⋅′→I¨+I¨−I^⋅ decay

A novel measurement of the strong-phase difference between D0→K−I¨+ and Dˉ0→K−I¨+ decays using C-even and C-odd quantum-correlated DDˉ pairs

Observation of $D^{+} \to K_{S}^{0} I ¨ ^{0} I^¼^{+} I^½_{I^} ¼$ , Test of Lepton Flavor Universality and First Angular Analysis of $D^{+} \to K ˉ^{*} (892)^{0} ℓ^{+} I^½_{ℓ}$

Search for $J / I ¨ \to K_{S}^{0} K_{S}^{0}$ and $I ¨ (3686) \to K_{S}^{0} K_{S}^{0}$

Study of $f_{1} (1420)$ and $I^\cdot (1405)$ in the decay $J / I ¨ \to I^^{3} I ¨ ^{0} I ¨ ^{0} I ¨ ^{0}$

Measurement of the phase between strong and electromagnetic amplitudes in the decay $J / I ¨ \to I ¨ I^\cdot$

Measurement of the $I^\cdot$ transition form factor through $I^\cdot^{'} \to I ¨ ^{+} I ¨ ^{-} I^\cdot$ decay

A novel measurement of the strong-phase difference between $D^{0} \to K^{-} I ¨ ^{+}$ and $D ˉ^{0} \to K^{-} I ¨ ^{+}$ decays using $C$ -even and $C$ -odd quantum-correlated $D D ˉ$ pairs