A magnet database secondary. A magnet database secondary indicating the last DAC value. To run down a magnet to zero current. This is done by putting zero volts on the DAC that controls the magnet's power supply. Daemon A server or process running on a server that lies dormant until called upon to perform a service.
Most servers are daemons.
A system which senses current in the Damping Ring before extraction and stops extracted beam in the Beam Switch Yard if current is below a specified threshold. Damping Ring A system to reduce the transverse emittance of a beam. In a ring, accelerated particles lose energy due to synchrotron radiation. DAQ Data AQuisition system. Dark current can be picked up and accelerated by RF stations out of phase with the main bunch.