Study of J/psi decays to Lambda Lambdabar and Sigma0 Sigma0bar

Abstract

The branching ratios and Angular distributions for J/psi decays to Lambda Lambdabar and Sigma0 Sigma0bar are measured using BESII 58 million J/psi.

11 pages, 5 figures

References in corpus (2)

• Big Bang Nucleosynthesis (in "The Review of Particle Properties" 2004)
• Measurements of J/psi --> p \bar{p}

Cited by in corpus (23)

• Progress Toward Understanding Baryon Resonances
• Polarization and Entanglement in Baryon-Antibaryon Pair Production in Electron-Positron Annihilation
• Study of e+e- --> Lambda anti-Lambda, Lambda anti-Sigma0, Sigma0 anti-Sigma0 using Initial State Radiation with BABAR
• Study of $J/\psi$ and $\psi (3686)$ decay to $\Lambda \bar{\Lambda }$ and ${\Sigma }^0{\bar{\Sigma }}^0$ final states
• Study of $J/\psi$ and $\psi (3686)\to \Sigma (1385{)}^0\bar{\Sigma }(1385{)}^0$ and ${\Xi }^0{\bar{\Xi }}^0$
• Study of $\psi$ decays to the ${\Xi }^{-}{\bar{\Xi }}^{+}$ and $\Sigma (1385{)}^{\mp }\bar{\Sigma }(1385{)}^{\pm }$ final states
• Observation of $\psi (3686)\to \Xi (1530{)}^{-}\bar{\Xi }(1530{)}^{+}$ and $\Xi (1530{)}^{-}{\bar{\Xi }}^{+}$
• Measurements of psi(2S) decays to octet baryon-antibaryon pairs
• Determination of the relative phase in ψ' and J/ψ decays into baryon and antibaryon
• First measurements of J/Psi decays into ${\Sigma }^{+}{\bar{\Sigma }}^{-}$ and ${\Xi }^0{\bar{\Xi }}^0$
• Testing Bell's Inequality using Charmonium Decays
• Study of J/psi to p pbar, Lambda Lambdabar and observation of eta_c to Lambda Lambdabar at Belle
• Observation of $\psi (3686)\to n\bar{n}$ and improved measurement of $\psi (3686)\to p\bar{p}$
• Measurements of the branching fractions of $\psi (3686)\to {\bar{\Sigma }}^0\Lambda +c.c.$ and ${\chi }_{cJ(J=0,1,2)}\to \Lambda \bar{\Lambda }$
• Observation of $\psi (3686)\to \Xi (1530{)}^0\bar{\Xi }(1530{)}^0$ and $\Xi (1530{)}^0{\bar{\Xi }}^0$
• Polarization difference between hyperons and anti-hyperons induced by external magnetic field
• Measurement of {\boldmath $J/\psi \to \Xi (1530{)}^{-}{\bar{\Xi }}^{+}$} and evidence for the radiative decay {\boldmath $\Xi (1530{)}^{-}\to \gamma {\Xi }^{-}$}
• Rescattering effects of baryon and antibaryon in heavy quarkonium decays
• A model to explain angular distributions of $J/\psi$ and $\psi (2S)$ decays into $\Lambda \overline{\Lambda }$ and ${\Sigma }^0{\overline{\Sigma }}^0$
• Symmetry analysis of charmonium decays to two-baryon final state
• Measurement of the asymmetry parameter for the decay $\bar{\Lambda }\to \bar{p}{\pi }^{+}$
• Symmetry analysis of charmonium two-body decay
• Measurements of $J/\psi$ and $\psi (2S)$ decays into $\Lambda \bar{\Lambda }{\pi }^0$ and $\Lambda \bar{\Lambda }\eta$