[PEPPo] Jlab Spectrometer Field Map

[Serkan Golge]

Hi all,

I found the issue with spectrometer field map (Jlab). I sent e- beam, as
if the beam were sent from the polarimeter. The result is attached. The
beam is completely transmitted to the expected location. In the beam , I
have not used any kind of offset in any direction. Just lock and load..

6.2 MeV was the total energy of the e- beam and 158 A spectrometer
current. 152 A gave an offset significantly.

I attached the field map as well. In this attached map, for proper
bending, one should send the beam from (-x,-z) quadrant.
-Current is electron mode, +Current is positron mode. So if you plan to
use this map w/o any modification, T1 tungsten should be located at
(-228.6 mm,-284.22 mm).


Serkan
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