  An efficient neutron detection system with good energy resolution is required
to correctly characterize decays of neutron-rich nuclei where $\beta-$delayed
neutron emission is a dominant decay mode. The Neutron dEtector with Xn
Tracking (NEXT) has been designed to measure $\beta$-delayed neutron emitters.
By segmenting the detector along the neutron flight path, NEXT reduces the
associated uncertainties in neutron time-of-flight measurements, improving
energy resolution while maintaining detection efficiency. Detector prototypes
are comprised of optically separated segments of a neutron-gamma discriminating
plastic scintillator coupled to position-sensitive photomultiplier tubes. The
first performance studies of this detector showed that high intrinsic neutron
detection efficiency could be achieved while retaining good energy resolution.
The results from the efficiency measurements using neutrons from direct
reactions are presented.
