  We have measured the moment $A_{LU}^{\sin\phi}$ corresponding to the
polarized electron beam-spin asymmetry in SIDIS. $A_{LU}^{\sin\phi}$ is a
twist-3 quantity providing information about quark-gluon correlations. Data
were taken with the CLAS Spectrometer at Jefferson Lab using a 5.498 GeV
longitudinally polarized electron beam and an unpolarized liquid hydrogen
target. All three pion channels ($\pi^+$, $\pi^0$ and $\pi^-$) were measured
simultaneously over a large range of kinematics within the virtuality range
$Q^2 \approx$ 1.0-4.5 GeV$^2$. The observable was measured with better than 1%
statistical precision over a large range of $z$, $P_T$, $x_B$, and $Q^{2}$,
which permits comparison with several reaction models. The discussed
measurements provide an upgrade in statistics over previous measurements, and
serve as the first evidence for the negative sign of the $\pi^{-}$ $\sin\phi$
moment.
