S. Marcello

activity

20242026

collaborators

6 papers

hep-ex2026

Study of $I^\cdot \to I ¨ ^{+} I ¨ ^{-} l^{+} l^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +639

Using a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / I ¨ $ events accumulated with the BESIII detector, we analyze the decays $I^\cdot \to I ¨ ^{+} I ¨ ^{-} l^{+} l^{-}$ ( $l = e$ or $I^¼$ ) via the process…

hep-ex2025

Study of the electromagnetic Dalitz decay $J / I ¨ \to e^{+} e^{-} I ¨ ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +640

We report the first measurement of the di-electron invariant mass dependent transition form factor in the electromagnetic Dalitz decay $J / I ¨ \to e^{+} e^{-} I ¨ ^{0}$ using $(10087 \pm 44) \…

hep-ex2025

Measurement of Born cross section of $e^{+} e^{-} \to I^£^{0} I^ˉ £^{0}$ at $s = 3.50 - 4.95$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +654

Using $e^{+} e^{-}$ collision data collected with the BESIII detector at the BEPCII collider at thirty-two center-of-mass energies from 3.50 to 4.95 GeV, corresponding to an integrated…

hep-ex2025

Measurement of Branching Fractions for $I^_{c}^{+} \to n K_{S}^{0} I ¨ ^{+}$ and $I^_{c}^{+} \to n K_{S}^{0} K^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

Based on 4.5 fb $^{- 1}$ of $e^{+} e^{-}$ collision data accumulated at center-of-mass energies between $4.600 GeV$ and $4.699 GeV$ with the BESIII detector, we me…

hep-ex2025

Measurement of the branching fraction of $D_{s}^{+} \to ℓ^{+} I^½_{ℓ}$ via $e^{+} e^{-} \to D_{s}^{+} D_{s}^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +640

Based on $10.64 fb^{- 1}$ of $e^{+} e^{-}$ collision data taken at center-of-mass energies between 4.237 and 4.699 GeV with the BESIII detector, we study the leptonic $D_{s}^{+}$ de…

hep-ex2024

Observation of $D^{+} \to f_{0} (500) I^¼^{+} I^½_{I^} ¼$ and study of $D^{+} \to I ¨ ^{+} I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ decay dynamics

BESIII Collaboration, M. Ablikim, M. N. Achasov +619

Using $2.93 fb^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at the center-of-mass energy of 3.773 GeV,we investigate the semileptonic decays $D^+\to…

Study of I^⋅→I¨+I¨−l+l−

Study of the electromagnetic Dalitz decay J/I¨→e+e−I¨0

Measurement of Born cross section of e+e−→I^£0I^ˉ£0 at s​=3.50−4.95 GeV

Measurement of Branching Fractions for I^c+​→nKS0​I¨+ and I^c+​→nKS0​K+

Measurement of the branching fraction of Ds+​→ℓ+I^½ℓ​ via e+e−→Ds∗+​Ds∗−​

Observation of D+→f0​(500)I^¼+I^½I^​¼ and study of D+→I¨+I¨−ℓ+I^½ℓ​ decay dynamics

Study of $I^\cdot \to I ¨ ^{+} I ¨ ^{-} l^{+} l^{-}$

Study of the electromagnetic Dalitz decay $J / I ¨ \to e^{+} e^{-} I ¨ ^{0}$

Measurement of Born cross section of $e^{+} e^{-} \to I^£^{0} I^ˉ £^{0}$ at $s = 3.50 - 4.95$ GeV

Measurement of Branching Fractions for $I^_{c}^{+} \to n K_{S}^{0} I ¨ ^{+}$ and $I^_{c}^{+} \to n K_{S}^{0} K^{+}$

Measurement of the branching fraction of $D_{s}^{+} \to ℓ^{+} I^½_{ℓ}$ via $e^{+} e^{-} \to D_{s}^{+} D_{s}^{-}$

Observation of $D^{+} \to f_{0} (500) I^¼^{+} I^½_{I^} ¼$ and study of $D^{+} \to I ¨ ^{+} I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ decay dynamics