Commissioning is concluded and operation begins when the experiment
spokesperson and/or physics division
declares to Program Planning committee that the experiment is taking physics quality
data. During
operation, the primary contact with Jefferson Lab personnel is through the Hall A
Group and
Accelerator Operations Group, which will provide or arrange services such
as changing beam
intensity requests, making controlled accesses, emergency repairs of
equipment and
coordinating emergency technician, alignment services and T and M requests.