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With accumulation of high statistics data at BES and CLEO-c, many newinteresting channels can get enough statistics for partial wave analysis (PWA).Among them, $\psi \to \gamma p\bar p, \gamma\Lambda\bar \Lambda, \gamma\Sigma\bar\Sigma, \gamma\Xi\bar \Xi$ channels provide a good place for studyingbaryon-antibaryon interactions; the double radiative decays$\psi\to\gamma\gamma V$ with $V\equiv \rho,\omega,\phi$ have a potential toprovide information on the flavor content of any meson resonances (R) withpositive charge parity ($C=+$) and mass above 1 GeV through $\psi\to\gamma R\to\gamma\gamma V$; $\psi(2S)\to\gamma\chi_{c0,1,2}$ with $\chi_{c0,1,2}\toK\bar K \pi^+\pi^- $ and $2\pi^+2\pi^-$ decays are good processes to study$\chi_{cJ}$ charmonium decays. Using the covariant tensor formalism, here weprovide theoretical PWA formulae for these channels.Comment: 20 page

Covariant tensor formalism for partial-wave analyses of ψ decays into γB¯, γγV and ψ(2s)↦γχc0,1,2 with χc0,1,2↦K¯πand 2π+2π-