NeuLAND - FAIR

events
300
200
100
σ = 42 keV
0
0 0.5 1
Erel
(MeV)
Figure 4.22.: Relative energy spectrum for four-neutron events at 600 MeV, simulated
with a relative energy of 100 keV with respect to a projectile fragment and
the NeuLAND detector in 35 m distance to the origin.
this section). Again, from the further development of the neutron tracking algorithm,
the 4-neutron-response is expected to improve.
Quasi-Free Scattering
NeuLAND in use for quasi-free scattering reactions will detect single neutrons, but a
lower energies, see section 2.4. The detector will be located in close vicinity to the
target, at an angle around 45 degree. The high efficiencies even for low energies are
very important for this application. With a fully-active detector, we derive efficiencies
of 79% for 50 MeV neutrons, 94% for 100 MeV, 95% for 150 MeV and 90 % for 200 MeV
neutrons, respectively.
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