M. Kavatsyuk

activity

20242026

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100 papers · 1 filter

hep-ex2025

Study of $K ˉ^{*} (892)^{0} I^\cdot$ and $K_{S}^{0} a_{0} (980)^{0}$ in the $D^{0} \to K_{S}^{0} I ¨ ^{0} I^\cdot$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +666

We perform an amplitude analysis of the decay $D^{0} \to K_{S}^{0} I ¨ ^{0} I^\cdot$ and measure its absolute branching fraction to be $(1.016 \pm 0.013_{\text {stat.}} \pm 0.014_{\text {syst.}})…

hep-ex2025

Cross sections measurement of $e^{+} e^{-} \to I^ (1530)^{0} I^ˉ ^{0} + c . c .$ and search for $I ¨ (3770) \to I^ (1530)^{0} I^ˉ ^{0} + c . c .$

BESIII Colaboration, :, M. Ablikim +681

Using $e^{+} e^{-}$ collision data collected with the BESIII detector corresponding to an integrated luminosity of 44.2 fb $^{- 1}$ , we measure the Born cross sections for the process $e^…

hep-ex2025

Measurements of the Absolute Branching Fraction of the Semileptonic Decay $I^^{-} \to I^ e^{-} I^ˉ ½_{e}$ and the Axial Charge of the $I^^{-}$

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

Using $(10087 \pm 44) \times 1 0^{6}$ $J / I ¨ $ events collected with the BESIII detector, we study the semileptonic decay $I^^{-} \to I^ e^{-} I^ˉ ½_{e}$ for the first time at an elect…

hep-ex2025

First measurements of the branching fractions of $J / I ¨ \to I^^{0} I^ˉ K_{S}^{0} + c . c .$ , $J / I ¨ \to I^^{0} I^ˉ £^{0} K_{S}^{0} + c . c .$ , and $J / I ¨ \to I^^{0} I^ˉ £^{-} K^{+} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +686

By analyzing $(10087 \pm 44) \times 1 0^{6}$ $J / I ¨ $ events collected with the BESIII detector at the BEPCII, the decays $J / I ¨ \to I^^{0} I^ˉ K_{S}^{0} + c . c .$ , $J / I ¨ \to I^^{0} I^ˉ £^{0} K_{S}^{0} + c . c .$ …

hep-ex2025

Measurements of the branching fractions of $I ¨ _{c J} \to I ¨ I ¨ I^\cdot, I ¨ I ¨ I^\cdot^{'}$ and $I ¨ K^{+} K^{-} I^\cdot$

BESIII Collaboration, M. Ablikim, M. N. Achasov +683

Using a sample of $(2712.4 \pm 14.3) \times 1 0^{6} I ¨ $ (3686) events collected by the BESIII detector at the BEPCII collider, we measure the branching fractions of the decays $Ï_{cJ}…

hep-ex2025

Evidence for the semileptonic decays $I^_{c}^{+} \to I^£^{\pm} I ¨ ^{\mp} e^{+} I^½_{e}$

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

Using $4.5 f b^{- 1}$ of $e^{+} e^{-}$ collision data collected by the BESIII detector at center-of-mass energies between $4.600$ and $4.699 G e V$ , we search for the semileptonic decays…

Study of Kˉ∗(892)0I^⋅ and KS0​a0​(980)0 in the D0→KS0​I¨0I^⋅ decay

Cross sections measurement of e+e−→I^(1530)0I^ˉ0+c.c. and search for I¨(3770)→I^(1530)0I^ˉ0+c.c.

Measurements of the Absolute Branching Fraction of the Semileptonic Decay I^−→I^e−I^ˉ½e​ and the Axial Charge of the I^−

First measurements of the branching fractions of J/I¨→I^0I^ˉKS0​+c.c., J/I¨→I^0I^ˉ£0KS0​+c.c., and J/I¨→I^0I^ˉ£−K++c.c.

Measurements of the branching fractions of I¨cJ​→I¨I¨I^⋅,I¨I¨I^⋅′ and I¨K+K−I^⋅

Evidence for the semileptonic decays I^c+​→I^£±I¨∓e+I^½e​

Study of $K ˉ^{*} (892)^{0} I^\cdot$ and $K_{S}^{0} a_{0} (980)^{0}$ in the $D^{0} \to K_{S}^{0} I ¨ ^{0} I^\cdot$ decay

Cross sections measurement of $e^{+} e^{-} \to I^ (1530)^{0} I^ˉ ^{0} + c . c .$ and search for $I ¨ (3770) \to I^ (1530)^{0} I^ˉ ^{0} + c . c .$

Measurements of the Absolute Branching Fraction of the Semileptonic Decay $I^^{-} \to I^ e^{-} I^ˉ ½_{e}$ and the Axial Charge of the $I^^{-}$

First measurements of the branching fractions of $J / I ¨ \to I^^{0} I^ˉ K_{S}^{0} + c . c .$ , $J / I ¨ \to I^^{0} I^ˉ £^{0} K_{S}^{0} + c . c .$ , and $J / I ¨ \to I^^{0} I^ˉ £^{-} K^{+} + c . c .$

Measurements of the branching fractions of $I ¨ _{c J} \to I ¨ I ¨ I^\cdot, I ¨ I ¨ I^\cdot^{'}$ and $I ¨ K^{+} K^{-} I^\cdot$

Evidence for the semileptonic decays $I^_{c}^{+} \to I^£^{\pm} I ¨ ^{\mp} e^{+} I^½_{e}$