N. Muchnoi

works on

angular analysis 1 electric and magnetic moments 1 form factors 1 hyperon polarization 1 psi(3686) decay 1

From the 1 of 20 linked papers with an AI index.

collaborators

20 papers

hep-ex2026

Evidence for $η_{c} (2 S) \to p p ˉ π^{+} π^{-} π^{0}$ and observation of $χ_{c J} \to p p ˉ π^{+} π^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +771

Using $(2.712 \pm 0.014) \times 1 0^{9}$ $ψ (3686)$ events collected by the BESIII detector at the BEPCII collider, the $ψ (3686) \to γ p p ˉ π^{+} π^{-} π^{0}$ process is investigated. Evidence…

hep-ex2026

Measurement of Born Cross Section for $e^{+} e^{-} \to K_{S}^{0} I^ˉ ^{+} I^£^{-} + c.c.$ at $s = 3.51 - 4.95$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +759

Using $e^{+} e^{-}$ collision data collected with the BESIII detector at the BEPCII collider corresponding to a total integrated luminosity of 44~fb $^{- 1}$ , we present the first measure…

hep-ex2026

First Measurement of the Relative Phase between Proton Psionic Form Factors

BESIII Collaboration, M. Ablikim, M. N. Achasov +754

The relative phase between the time-like form factors of the proton is a crucial observable for a complete understanding of its internal structure, yet it has remained unmeasured d…

hep-ex2026

Search for an isoscalar partner of the $Z_{c} (3900)$ in $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-} I^\cdot J / I ¨ $

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

Using a data sample corresponding to an integrated luminosity of 20.3 fb $^{- 1}$ collected at center-of-mass energies from 4.18 to 4.95 GeV with the BESIII detector, we observe the…

hep-ex2026

Observation of $I^ (1530)^{0}$ Polarization and Determination of Its Electric and Magnetic Moments in $I ¨ (3686) \to I^ (1530)^{0} I^ˉ (1530)^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +703

The BESIII experiment observed the polarization of the hyperon Ξ(1530)^0 in ψ(3686)→Ξ(1530)^0 anti‑Ξ(1530)^0 decays and measured its electric and magnetic multipole moments via ang…

hep-ex2026

Precise Measurement of Matter-Antimatter Asymmetry with Entangled Hyperon Antihyperon Pairs

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

A search for $C P$ violation with an entangled system of $I^^{-} I^ˉ ^{+}$ pairs is performed, using $(10, 087 \pm 44) \times 1 0^{6}$ $J / I ¨ $ events collected with the BESIII experiment. A n…

Evidence for ηc​(2S)→ppˉ​π+π−π0 and observation of χcJ​→ppˉ​π+π−π0

Measurement of Born Cross Section for e+e−→KS0​I^ˉ+I^£−+c.c. at s​=3.51−4.95 GeV

First Measurement of the Relative Phase between Proton Psionic Form Factors

Search for an isoscalar partner of the Zc​(3900) in e+e−→I¨+I¨−I^⋅J/I¨

Observation of I^(1530)0 Polarization and Determination of Its Electric and Magnetic Moments in I¨(3686)→I^(1530)0I^ˉ(1530)0

Precise Measurement of Matter-Antimatter Asymmetry with Entangled Hyperon Antihyperon Pairs

Evidence for $η_{c} (2 S) \to p p ˉ π^{+} π^{-} π^{0}$ and observation of $χ_{c J} \to p p ˉ π^{+} π^{-} π^{0}$

Measurement of Born Cross Section for $e^{+} e^{-} \to K_{S}^{0} I^ˉ ^{+} I^£^{-} + c.c.$ at $s = 3.51 - 4.95$ GeV

Search for an isoscalar partner of the $Z_{c} (3900)$ in $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-} I^\cdot J / I ¨ $

Observation of $I^ (1530)^{0}$ Polarization and Determination of Its Electric and Magnetic Moments in $I ¨ (3686) \to I^ (1530)^{0} I^ˉ (1530)^{0}$