AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
AIDA
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Fri Nov 1 01:33:10 2024
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> Analysis of files for two more settings of F11 degrader to optimize implantation of 40Mg. > > + setting 1: from Nov 27th, 22:16 > Fixed degrader: 3 mm Pb + 1 mm Al, Variable degrader: 1.3 mm W + 2 mm Al > AIDA run: R26_0 to R26_38 > BigRIPS run: 40Mg1037 (partial) to 40Mg1040 > see attachments: run1038_imp*png > > + setting 2: from Nov 28th, 1:38. > Entered F11 during stripper foil change and removed 1mm Al fixed degrader (same as during Nov 26th - ~ run > 40Mg1012). > Fixed degrader: 3 mm Pb, Variable degrader: 1.3 mm W + 2 mm Al > AIDA run: R26_39 to ... > BigRIPS run: from 40Mg1041 to ... > see attachments: run104x_imp*png (2 hours of data: run 1041 and 1042) > > Setting 2 moved implantation depth one or two strips upstream (1.2 according to calculations). 40Mg seems to be > implanted about the third strip; a conclusion with LOW STATISTICS, but consistent with the trend of how the > implantation position depends on neutron number for the higher-count isotopes. > > Setting 2 seems to be our best option (at least without going into F11 and reconfiguring degraders). We will > continue accumulating data with it. > > Attachments: the 1D plot shows the ion implant position (DSSD) gated for all ions and for Al and Mg gates in the > PID. The 2D plots show the PID with gates on implants in different DSSDs. > > Range calculation for degrader's configuration: > https://docs.google.com/spreadsheets/d/1QJp8t98sT3pExAQb3xtHtAvk4TUDVO6alhbLIaNtx8A/edit?usp=sharing
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