Setup as installed
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Bellow is the setup we have decided on.
Target
- 15cm LH2 loop
- 15cm LD2 loop
- 15cm spare loop
Solid ladder:
- 15cm dummy
- C: 1mm foil
- Optics: Multi (7) 1mm C foils
- BeO
- Cross hair
- Empty
Left HRS
- S0
- S1
- S2
- Short Cerenkov
- Pion rejector
Calorimeter
Blocks: The beam is at right hand when you stand at the back of the calorimeter facing the target.
DVCS Calo blocks.jpg
Lumi readout
Triggers
T1 (S2)
T2 (S0)
T3 (S1.and.S2)
T4 (efficiency trigg.) [(S1.and.C).or.(S2.and.C)].and.NOT(S1.and.S2)
T5 (S2 and a calo validation), need more info here
ARS
[https://hallaweb.jlab.org/wiki/index.php/Image:ARS_DAQ_DVCS2_September2010.pdf[Magali Magne has installed proposition 2 of the following document ]]