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Description
The CLAS12 detector at Jefferson Laboratory (JLab) started data taking with a polarized 10.6 GeV electron beam, interacting with an unpolarized liquid hydrogen target in February 2018. The collected statistics enables a high precision study of the moment A$_{LU}^{sin(ϕ)}$ corresponding to the polarized electron beam spin asymmetry in semi-inclusive deep inelastic scattering. A$_{LU}^{sin(ϕ)}$ is a twist-3 quantity which provides information about the quark gluon correlations in the nucleon. The contribution will present a simultaneous study of all three pion channels (π$^+$, π$^0$ and π$^−$) over a large kinematic range of z, x$_B$, P$_T$ and Q² with virtualities Q² ranging from 1 GeV² up to 8 GeV². Based on the available statistics, a multidimensional analysis becomes possible.
