C. Normand

collaborators

10 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

Improved measurements of the coherence factors and strong-phase differences in $D \to K^{-} I ¨ ^{+} I ¨ ^{+} I ¨ ^{-}$ and $D \to K^{-} I ¨ ^{+} I ¨ ^{0}$ with quantum-correlated $D D ˉ$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +680

Improved measurements of the coherence factors and strong-phase differences in $D \to K^{-} I ¨ ^{+} I ¨ ^{+} I ¨ ^{-}$ and $D \to K^{-} I ¨ ^{+} I ¨ ^{0}$ decays are reported, using quantum-correlated $D\bar{D}…

hep-ex2026

Observation of a New Excited $I^£$ State in $I ¨ (3686) \to p ˉ K^{+} I^£^{0} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +681

Using a data sample of $(2712.4 \pm 14.3) \times 1 0^{6} I ¨ (3686)$ events collected with the BESIII detector, a partial-wave analysis of $I ¨ (3686) \to p ˉ K^{+} I^£^{0} + c . c .$ is performed. A…

hep-ex2026

First observation of the $I^\cdot_{c} \to I^^{0} I^ˉ ^{0}$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +761

Using $(10087 \pm 44) \times 1 0^{6}$ $J / I ¨ $ events collected with the BESIII detector at the BEPCII collider, we report the first observation of the decay $Î·_{c} \to Î^{0} \barÎ^{0}…

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.

Improved measurements of the coherence factors and strong-phase differences in D→K−I¨+I¨+I¨− and D→K−I¨+I¨0 with quantum-correlated DDˉ decays

Observation of a New Excited I^£ State in I¨(3686)→pˉ​K+I^£0+c.c.

First observation of the I^⋅c​→I^0I^ˉ0 decay

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

Improved measurements of the coherence factors and strong-phase differences in $D \to K^{-} I ¨ ^{+} I ¨ ^{+} I ¨ ^{-}$ and $D \to K^{-} I ¨ ^{+} I ¨ ^{0}$ with quantum-correlated $D D ˉ$ decays

Observation of a New Excited $I^£$ State in $I ¨ (3686) \to p ˉ K^{+} I^£^{0} + c . c .$

First observation of the $I^\cdot_{c} \to I^^{0} I^ˉ ^{0}$ decay