N. Muchnoi

activity

20012026

most citedPolarization and Centre-of-mass Energy Calibration at FCC-ee

17 citations · 31 across the 31 of their papers we have counts for

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Showing 2025Show all

7 papers · 1 filter

hep-ex2025

Measurement of the $e^{+} e^{-} \to η γ$ cross section near the $ϕ (1020)$ resonance with the SND detector

SND Collaboration, M. N. Achasov, A. E. Alizzi +38

In the experiment with the SND detector at the VEPP-2000 $e^{+} e^{-}$ collider, the $e^{+} e^{-} \to η γ$ cross section is measured in the energy range $E = 980 - 1060$ MeV. The measurement is…

hep-ex2025

First Measurement of the $D_{s}^{+} \to K^{0} μ^{+} ν_{μ}$ Decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +693

We report the first measurement of the semileptonic decay $D_{s}^{+} \to K^{0} μ^{+} ν_{μ}$ , using a sample of $e^{+} e^{-}$ annihilation data corresponding to an integrated luminosity of $…

hep-ex2025

First measurements of the branching fractions of $J / ψ \to Ξ^{0} Λ ˉ K_{S}^{0} + c . c .$ , $J / ψ \to Ξ^{0} Σ ˉ^{0} K_{S}^{0} + c . c .$ , and $J / ψ \to Ξ^{0} Σ ˉ^{-} K^{+} + c . c .$

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

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

hep-ex2025

Helicity amplitude and branching fraction measurement of $χ_{c J} \to Λ Λ ˉ$

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

Utilizing $2712.4 \pm 14.3$ million $ψ (3686)$ events accumulated by the BESIII experiment, we perform a partial wave analysis of $ψ (3686) \to γ χ_{c J} \to γ Λ Λ ˉ$ decay…

hep-ex2025

Measurement of Born Cross Sections and Effective Form Factors of $e^{+} e^{-} \to Ω^{-} Ω ˉ^{+}$ from $s$ = 3.7 to 4.7 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +635

Using $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 22.7 fb $^{- 1}$ , collected at center-of-mass energies between 3.7 and 4.7 GeV with the BESIII detector at…

hep-ex2025

Search for a dark baryon in the $Ξ^{-} \to π^{-} + invisible$ decay

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

A search for a dark baryon is performed for the first time in the two-body decay $Ξ^{-} \to π^{-} + invisible$ using $(10.087 \pm 0.044) \times 1 0^{9}$ $J / ψ$ events collected at…

Measurement of the e+e−→ηγ cross section near the ϕ(1020) resonance with the SND detector

First Measurement of the Ds+​→K0μ+νμ​ Decay

First measurements of the branching fractions of J/ψ→Ξ0ΛˉKS0​+c.c., J/ψ→Ξ0Σˉ0KS0​+c.c., and J/ψ→Ξ0Σˉ−K++c.c.

Helicity amplitude and branching fraction measurement of χcJ​→ΛΛˉ

Measurement of Born Cross Sections and Effective Form Factors of e+e−→Ω−Ωˉ+ froms​ = 3.7 to 4.7 GeV

Search for a dark baryon in the Ξ−→π−+invisible decay

Measurement of the $e^{+} e^{-} \to η γ$ cross section near the $ϕ (1020)$ resonance with the SND detector

First Measurement of the $D_{s}^{+} \to K^{0} μ^{+} ν_{μ}$ Decay

First measurements of the branching fractions of $J / ψ \to Ξ^{0} Λ ˉ K_{S}^{0} + c . c .$ , $J / ψ \to Ξ^{0} Σ ˉ^{0} K_{S}^{0} + c . c .$ , and $J / ψ \to Ξ^{0} Σ ˉ^{-} K^{+} + c . c .$

Helicity amplitude and branching fraction measurement of $χ_{c J} \to Λ Λ ˉ$

Measurement of Born Cross Sections and Effective Form Factors of $e^{+} e^{-} \to Ω^{-} Ω ˉ^{+}$ from $s$ = 3.7 to 4.7 GeV

Search for a dark baryon in the $Ξ^{-} \to π^{-} + invisible$ decay