Stripping foil losses and space charge blowup in the FNAL booster
1991
A automated profile measuring system using single wire scanners has been implemented in the Fermilab Booster synchrotron. It allows the beam profile to be measured on a turn-by-turn basis. More than 30 profiles after injection can be accumulated before the wire degrades the beam significantly. As the Fermilab booster utilizes a multiturn injection scheme, foil losses can be studied by comparing one- and two-turn injection and varying the number of passes a low-intensity beam makes through the foil. By using the low-intensity results, foil losses can be eliminated from high-intensity, multiturn injection data, thereby allowing a quantitative look at space-charge blowup. The results obtained for foil losses and space-charge blow-up in the Fermi National Accelerator Laboratory (FNAL) booster are presented here. >
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