W. Chen

works on

BESIII experiment 1 branching fractions 1 hyperon decays 1 nonleptonic decay 1 ΔI rule 1

From the 2 of 20 linked papers with an AI index.

collaborators

20 papers

hep-ex2026

Precise measurements of $D^{0} \to K^{-} ℓ^{+} I^½_{ℓ}$ and $D^{+} \to K ˉ^{0} ℓ^{+} I^½_{ℓ}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +758

Using $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 20.3 fb $^{- 1}$ , collected at the center-of-mass energy of 3.773 GeV with the BESIII detector, we present…

hep-ex2026

First Experimental Constraint on the Scalar Current in the $D^{0 (+)} \to K ˉ ℓ^{+} I^½_{ℓ}$ Transition

BESIII Collaboration, M. Ablikim, M. N. Achasov +758

Using 20.3 fb $^{- 1}$ of $e^{+} e^{-}$ collision data taken at the center-of-mass energy of $s = 3.773$ GeV, we report the first experimental constraint on the scalar current in the…

hep-ex2026

Search for the isospin-violating decays $I ¨ _{cJ} \to I^ I^ˉ £^{0} + c . c .$ and $I^\cdot_{c} \to I^ I^ˉ £^{0} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +701

Using a sample of $(2712.4 \pm 14.3) \times 1 0^{6}$ ~ $I ¨ (3686)$ events collected with the BESIII detector, we perform a search for the isospin-violating decays $Ï_{cJ}\toÎ\barÎ£^{0}+c…

hep-ex2026

Study of the reactions $n ˉ p \to 2 I ¨ ^{+} I ¨ ^{-}$ , $2 I ¨ ^{+} I ¨ ^{-} I ¨ ^{0}$ , and $2 I ¨ ^{+} I ¨ ^{-} 2 I ¨ ^{0}$ using $J / I ¨ \to p I ¨ ^{-} n ˉ$

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

We report an experimental investigation of the reactions $n ˉ p \to 2 I ¨ ^{+} I ¨ ^{-}$ , $n ˉ p \to 2 I ¨ ^{+} I ¨ ^{-} I ¨ ^{0}$ , and $n ˉ p \to 2 I ¨ ^{+} I ¨ ^{-} 2 I ¨ ^{0}$ using $(10.087…

hep-ex2026

Search for the decays $X (3872) \to K_{S}^{0} K^{\pm} I ¨ ^{\mp}$ and $K^{*} (892) K ˉ$ at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +685

Using a 10.9 fb $^{- 1}$ data sample collected by the BESIII detector at center-of-mass energies from 4.16 to 4.34 GeV, we search for the charmless decays $X(3872) \to K_{S}^{0}K^{\p…

hep-ex2026

First measurement of the absolute branching fractions of $I^£^{+}$ nonleptonic decays and test of the $I^ I = 1/2$ rule

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

The paper reports the first absolute measurements of the branching fractions for the Σ⁺ → p π⁰ and Σ⁺ → n π⁺ decays using BESIII J/ψ data, and tests the ΔI = 1/2 rule in Σ hyperon…

Precise measurements of D0→K−ℓ+I^½ℓ​ and D+→Kˉ0ℓ+I^½ℓ​ decays

First Experimental Constraint on the Scalar Current in the D0(+)→Kˉℓ+I^½ℓ​ Transition

Search for the isospin-violating decays I¨cJ​→I^I^ˉ£0+c.c. and I^⋅c​→I^I^ˉ£0+c.c.

Study of the reactions nˉp→2I¨+I¨−, 2I¨+I¨−I¨0, and 2I¨+I¨−2I¨0 using J/I¨→pI¨−nˉ

Search for the decays X(3872)→KS0​K±I¨∓ and K∗(892)Kˉ at BESIII

First measurement of the absolute branching fractions of I^£+ nonleptonic decays and test of the I^I=1/2 rule

Precise measurements of $D^{0} \to K^{-} ℓ^{+} I^½_{ℓ}$ and $D^{+} \to K ˉ^{0} ℓ^{+} I^½_{ℓ}$ decays

First Experimental Constraint on the Scalar Current in the $D^{0 (+)} \to K ˉ ℓ^{+} I^½_{ℓ}$ Transition

Search for the isospin-violating decays $I ¨ _{cJ} \to I^ I^ˉ £^{0} + c . c .$ and $I^\cdot_{c} \to I^ I^ˉ £^{0} + c . c .$

Study of the reactions $n ˉ p \to 2 I ¨ ^{+} I ¨ ^{-}$ , $2 I ¨ ^{+} I ¨ ^{-} I ¨ ^{0}$ , and $2 I ¨ ^{+} I ¨ ^{-} 2 I ¨ ^{0}$ using $J / I ¨ \to p I ¨ ^{-} n ˉ$

Search for the decays $X (3872) \to K_{S}^{0} K^{\pm} I ¨ ^{\mp}$ and $K^{*} (892) K ˉ$ at BESIII

First measurement of the absolute branching fractions of $I^£^{+}$ nonleptonic decays and test of the $I^ I = 1/2$ rule