Today we have the harp diagnosed. Here is the detail report http://opweb.acc.jlab.org/CSUEApps/elog02/elog_item.php?elog_id=1734316 Briefly speaking, the noise of the harp can be suppressed if reduce the velocity of moving the wire.
At 3 PM the target group start to anneal the target.
When the beam comes back, we will measure the packing fraction immediately, then continue taking production data.
Tomorrow at 8:30, we will have another moller measurement.
Chicane change is scheduled in Apr 9, start from 8:30.