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| I. Desired new detector system |
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JLU |
QUB |
QUB |
TUW |
UBI |
CEA |
HMI |
LFU |
UAA |
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|
H. Bräuning |
J. Greenwood |
R.W. McCullough |
F. Aumayr |
B. Siegmann |
H. Lebius |
N. Stoltefoht |
P. Scheier |
P. Hvelplund |
| 1.1 |
particle |
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- type |
ions |
electrons, pos. ions |
pos. and neg. ions, neutrals |
light and heavy ions |
electrons, ions |
high mass molecules |
electrons, ions |
molecular ions |
molecules |
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- energy |
5 to >400keV |
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1-5keV |
0.1-10*qkeV |
5-300keV |
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3-12keV |
50keV-1MeV |
| 1.2 |
resolution |
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- time |
<1 ns |
100 ns |
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yes |
250 ps |
yes |
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- position |
0.2 mm |
0.1 µm |
<0.1 mm |
yes |
0.25 mm |
yes |
yes |
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- energy |
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1% |
no |
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by the time signal |
yes |
yes |
yes |
| 1.3 |
minimum efficiency |
50% |
50% |
10% |
>30% |
>40% |
50-90% |
50% |
90% |
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| 1.4 |
tolerable deadtime |
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- detector |
5-10 ns |
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<5% |
<100 ns |
<5 ns |
˜5 ns |
8-10 ns |
5 ns |
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- el. readout |
5-10 ns |
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<5% |
<1 µs |
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can be high |
8-10 ns |
100 ns |
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| 1.5 |
multiple hits |
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yes/no |
yes |
yes |
yes |
yes |
yes |
yes |
no |
no |
no |
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- coincident particles |
2 |
3 |
~1000 counts/s |
>3 |
7 |
10 |
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- time between particles |
50-100 ns |
100 ns |
20-100 ns |
100 ns |
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˜10 ns |
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| 1.6 |
long term stability |
>2 years |
not
critical |
not critical |
very critical |
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not critical |
not critical |
not
critical |
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| FRT |
(T.J.M. Zouros) |
electron spectroscopy |
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| KVI |
(T. Schlathölter) |
nothing planned |
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