M. Song

collaborators

35 papers

hep-ex2026

First Observation of $D^{0 (+)} \to K ˉ I ¨ e^{+} I^½_{e}$ and Determination of the Branching Fraction of $K ˉ_{1} (1270) \to K ˉ I ¨ $

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

Using 20.3~fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at a center-of-mass energy of 3.773~GeV with the BESIII detector, we report the first observation of the semileptonic d…

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

Precision Measurement of $D_{s}^{*+}$ - $D_{s}^{+}$ Mass Difference

BESIII Collaboration, M. Ablikim, M. N. Achasov +684

The paper reports a precise measurement of the mass difference between the charm-strange mesons D_s*+ and D_s+ using e⁺e⁻ collision data collected by the BESIII detector.

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…

First Observation of D0(+)→KˉI¨e+I^½e​ and Determination of the Branching Fraction of Kˉ1​(1270)→KˉI¨

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.

Precision Measurement of Ds∗+​-Ds+​ Mass Difference

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

First Observation of $D^{0 (+)} \to K ˉ I ¨ e^{+} I^½_{e}$ and Determination of the Branching Fraction of $K ˉ_{1} (1270) \to K ˉ I ¨ $

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 $I^\cdot_{c} \to I^ I^ˉ £^{0} + c . c .$

Precision Measurement of $D_{s}^{*+}$ - $D_{s}^{+}$ Mass Difference

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