BESIII observes a new Ξ(1720) hyperon with J^P = 3/2+ in J/ψ → K− Σ0 Ξ̄+ decays at >10σ significance, mass 1721 MeV/c², width 31 MeV, and branching fraction 2.68×10^{-5}.
Title resolution pending
6 Pith papers cite this work. Polarity classification is still indexing.
6
Pith papers citing it
fields
hep-ex 6representative citing papers
First observation of bar Lambda p to K+ pi+ pi- pi0 and bar Lambda p to K+ pi+ pi- 2pi0 with cross sections 8.5 mb and 7.9 mb respectively.
Evidence at 3.6 sigma is reported for the semileptonic decays Lambda_c+ to Sigma^pm pi^mp e+ nu_e with branching fraction (7.7 +2.5 -2.3 stat +/- 1.3 syst) x 10^-4, consistent with quark-model predictions.
BESIII reports first observation of a threshold enhancement in the π⁺π⁻ mass spectrum from ψ(3686)→π⁺π⁻J/ψ with fitted mass 285.6±2.5 MeV/c², width 16.3±0.9 MeV and >10σ significance.
BESIII observes ψ(3770)→p p-bar at 6.6σ and measures |G_E/G_M| and |G_M| from e+e- → p p-bar cross sections and angular distributions at 47 energies between 3.51 and 4.95 GeV.
BESIII reports the first observation of the exotic π₁(1600) state in χ_c1 decays from ψ(2S) with >21σ significance, measuring mass 1828 MeV/c², width 638 MeV, and product branching fraction 4.30×10^{-4}.
citing papers explorer
-
Observation of a Doubly-strange Hyperon $\Xi(1720)$ in $J/\psi\rightarrow{}K^{-}\Sigma^0\bar{\Xi}^{+}+c.c.$
BESIII observes a new Ξ(1720) hyperon with J^P = 3/2+ in J/ψ → K− Σ0 Ξ̄+ decays at >10σ significance, mass 1721 MeV/c², width 31 MeV, and branching fraction 2.68×10^{-5}.
-
Observation of $\bar{\Lambda}p\to K^{+}\pi^{+}\pi^{-}\pi^{0}$ and $\bar{\Lambda}p\to K^{+}\pi^{+}\pi^{-}2\pi^{0}$
First observation of bar Lambda p to K+ pi+ pi- pi0 and bar Lambda p to K+ pi+ pi- 2pi0 with cross sections 8.5 mb and 7.9 mb respectively.
-
Evidence for the semileptonic decays $\Lambda_c^{+} \to \Sigma^{\pm} \pi^{\mp} e^+ \nu_e$
Evidence at 3.6 sigma is reported for the semileptonic decays Lambda_c+ to Sigma^pm pi^mp e+ nu_e with branching fraction (7.7 +2.5 -2.3 stat +/- 1.3 syst) x 10^-4, consistent with quark-model predictions.
-
Observation of a threshold enhancement in the $\pi^+\pi^-$ spectrum in $\psi(3686) \rightarrow \pi^{+}\pi^{-}J/\psi$ decays
BESIII reports first observation of a threshold enhancement in the π⁺π⁻ mass spectrum from ψ(3686)→π⁺π⁻J/ψ with fitted mass 285.6±2.5 MeV/c², width 16.3±0.9 MeV and >10σ significance.
-
Observation of $\psi(3770)\to p\bar p$ and Measurement of Electromagnetic Form Factors of Proton at $\sqrt{s} = 3.510-4.946$ GeV
BESIII observes ψ(3770)→p p-bar at 6.6σ and measures |G_E/G_M| and |G_M| from e+e- → p p-bar cross sections and angular distributions at 47 energies between 3.51 and 4.95 GeV.
-
Observation of the Exotic State $\pi_{1}(1600)$ in $\psi(2S)\rightarrow\gamma\chi_{c1},\chi_{c1}\rightarrow\pi^{+}\pi^{-}\eta'$
BESIII reports the first observation of the exotic π₁(1600) state in χ_c1 decays from ψ(2S) with >21σ significance, measuring mass 1828 MeV/c², width 638 MeV, and product branching fraction 4.30×10^{-4}.