Table 2.

Normalised intensity measurements I_ij to determine the expectation values 〈σ_i〉.

Basis states	${\ell }^{+}$	${\ell }^{-}$	γ0	γπ/2	γπ	γ3π/2
r	$I_{r{\ell }^{+}}$	$I_{r{\ell }^{-}}$	$I_{r{\gamma }_0}$	$I_{r{\gamma }_{\pi /2}}$	$I_{r{\gamma }_{\pi }}$	$I_{r{\gamma }_{3\pi /2}}$
l	$I_{l{\ell }^{+}}$	$I_{l{\ell }^{-}}$	$I_{l{\gamma }_0}$	$I_{l{\gamma }_{\pi /2}}$	$I_{l{\gamma }_{\pi }}$	$I_{l{\gamma }_{3\pi /2}}$