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Archived Messages for CLAS_PHOTON_1997@cebaf.gov: Half of a Shift for Photon Beam Running.

Half of a Shift for Photon Beam Running.

Elton Smith (elton@CEBAF.GOV)
Thu, 29 May 1997 18:04:35 -0400

Volker,

The relative timing of the tagger relative to the rest of CLAS
is somewhat uncertain, relying on data taken during poor conditions
during the last few hours of beam last Friday. To verify the timing it
would be extremely useful to have half of a shift to look at this matter
during the June run. The group would like to request the following:

1/2 shift
4 GeV
Tagger Magnet ON
Radiator IN (10**-6)
Target IN (any material adequate, e.g. H or He)
Readout: TOF and Tagger crates required. Other CLAS systems desirable
Trigger: Tagger (asynch input) * Level 1 (TOF)

Request shift after installation of all necessary timing cables
(currently under discussion).

Thanks, Elton.