ELOG AIDA

AIDA GELINA BRIKEN nToF CRIB ISOLDE CIRCE nTOFCapture DESPEC DTAS EDI_PSA 179Ta CARME StellarModelling DCF K40

AIDA

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Entry time:	Sat Mar 29 11:15:58 2025
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> [UPDATED 22/4: initial LISE file had incorrect thickness for MACi plastic] > > Calculations for Al degrader thickness required to implant ions in AIDA DSSD stack. > > Calculations are based on LISE files from main experiment, and done for settings with expected longest and shortest range > of > ions > before implantation setup: > - LISE++ for the 95Br BigRIPS setting : B1_U_BefissionZDSLAA_95Br_6mmF1.lpp > - LISE++ for the 85Ga BigRIPS setting : B1_U_BefissionZDSLAA_85Ga_6mmF1.lpp > > Setup after last beamline detector (IC): 180cm Air + Al degrader + MACi (7mm plastic@45 degrees) + AIDA (3mm silicon) + > thick > Al > plate (1 cm). > > > + 84Zn setting (long range): > > - Al degrader of 1 mm required in front of implantation setup to stop 84Zn activity in AIDA (end of stack). The range in > Si > is > reduced by ~1.1 mm per each mm of Al added in degrader. > > - Activity from heavier (more intense) isotopes seems to be implanted at similar location as more exotic isotopes (always > considering 1p knockout channel, might be worth looking also at unreacted channels). > > + 94Se setting (short range): > > - Activity stopped before AIDA. We'll need to remove MACi if we want ions implanted in AIDA (unless the tail of energy > distribution > after secondary target is very large). > > - If we remove the MACi plastic, we would need 2 to 3 mm of Al degrader to stop ions in AIDA (assuming the 1mm veto after > segmented > MACi plastics remain). > > > > See attachments for detailed description Encoding: HTML ELCode plain Suppress Email notification

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