Wire scanner controls at SLAC
Subgroup for one emittance measurement station Wire to select Scan range Park position Selection x,y,u Single scan Start single scan Wire used for emittance measurement General options Toggle x,y,x&y X&y&u Print button Recalculate Emittance Beam code display Corr. plots containing data Parking of all wire at once
Wire scanner profile and fit algorithm Asymmetrical Gaussian fit with 5 parameter are suited Error bars for individual data points Time taken Present time Parameter of fit with errors fit curve in data set
Selection of wire for emittance scan
Emittance display Measurement Design Emittance in x-x’ disp. as cycle Wires location in x-x’ in this units, thickness shows error of Measurement Induced by wire miss match factor emittances Rms profiles charge asymmetry
Control option panel Choice for PM Beam jitter correction Charge jitter correction Type of fit for prof.
Access to all data taken for one scan +> important for fast check of scan quality Contains all PM’s in this section + charge normalized Wire position Plot mode Single scan taken
History buffer for analyzed data