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SUMMARY:Development of a highly pixelated detector array and a novel digit
 ising DAE for the next generation ISIS instrument\, Super-MuSR
DTSTART;VALUE=DATE-TIME:20220901T164000Z
DTEND;VALUE=DATE-TIME:20220901T170000Z
DTSTAMP;VALUE=DATE-TIME:20220826T121953Z
UID:indico-contribution-3820@indico.stfc.ac.uk
DESCRIPTION:Speakers: Sam Franklin (STFC)\nThe development of the next gen
 eration ‘Super-MuSR’ instrument at ISIS will provide a transformationa
 l improvement in counting rate (to 1000M ev/hr) and timing resolution (to 
 better than 2ns) for pulsed beam measurements. Key to delivering this capa
 bility is the highly pixelated cylindrical detector array\, built as 64 lo
 ng ‘barrel staves’. This totals 704 pixels providing 75% solid angle c
 overage. The detector array is combined with novel readout\, where the ana
 logue waveforms are fully digitised and processed using digital signal pro
 cessing (DSP) methods at either software or firmware level. \nEach detecto
 r pixel will use a  Hamamatsu S10362 series SiPM\, optically coupled to a 
 BC408 scintillator using wavelength shifting fibre. The fibre is embedded 
 into a scintillator tile\, with the ends protruding to ensure good optical
  coupling. The tile and fibre are surrounded by a reflective inner (PTFE) 
 and light tight outer (Aluminium) wrapping. This design was chosen to maxi
 mise the light collection and homogeneity for each of the 8 different pixe
 l sizes used to preserve solid angle across the stave length. \nThe data p
 ipeline will combine a series of ‘firsts’ for ISIS. Digitisation will 
 be achieved using the Xilinx Zynq UltraScale series of ‘system on a chip
 ’ operating with ADCs running at 1G Sample/s\, data handling using Kafka
  event streaming technology\, and full digital signal processing to provid
 e advanced data correction techniques.\nWe will present our design conside
 rations\, first results from our 12-pixel prototype stave and discuss the 
 benefits of implementing a DSP ‘data pipeline’.\n\nhttps://indico.stfc
 .ac.uk/event/53/contributions/3820/
LOCATION:Science and Technology Campus\, University of Parma
URL:https://indico.stfc.ac.uk/event/53/contributions/3820/
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