gamma detection - FNDA 2011
gamma detection - FNDA 2011
gamma detection - FNDA 2011
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Fast neutron inelastic scattering at the nELBE facility<br />
Neutron facility comparison<br />
n-ToF-device<br />
Seite 55<br />
CERN<br />
n-ToF<br />
LANL<br />
NSC<br />
ORNL<br />
SNS<br />
FZK<br />
VdG<br />
ORNL<br />
ORELA<br />
IRMM<br />
GELINA<br />
ELBE ELBE with<br />
SRF-gun<br />
beam power / kW 10 60 1000 0.4 8 7 5 40<br />
rep. rate / s -1 0.4 20 60<br />
2.5⋅10<br />
5 500 800<br />
1.6⋅10<br />
6<br />
pulse charge / nC ≈ 10 3 4⋅10 3 3⋅10 4 0.01 ≈ 100 ≈ 100 0.08 1.8<br />
flight path / m 183 ≈ 20 60 84 0.8 40 20 6 6<br />
n-pulse length / ns > 7 125 100-700 ≈ 1 > 4 > 1 < 0.4 < 0.4<br />
E min / eV 0.1 0.1 1 0.1 10 3 10 10 2⋅10 5 2⋅10 4<br />
E max /eV 3⋅10 8 ≈10 8 ≈10 8 2⋅10 5 5⋅10 6 4⋅10 6 7⋅10 6 7⋅10 6<br />
∆E/E @ 1MeV<br />
n-flux<br />
(s⋅cm 2 ⋅E-decade) -<br />
1<br />
0.5<br />
%<br />
5⋅10 5<br />
5% ≈ 10 % >10 % ≈ 10 % < 1 % < 2 % ≈ 1 % ≈ 1 %<br />
10 5 ≈ 10 7 ≈ 10 6 10 6 -10 7 ≈ 10 4 10 4 4⋅10 4 10 5 10 6