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PRODID:Faculty of Science and Engineering - Research
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SUMMARY:Prof Jeff Hartnell - LiquidO opaque scintillator detectors and the physics opportunities
DESCRIPTION;ENCODING=QUOTED-PRINTABLE: Radiation detectors enable many aspects of our modern lives, from the=0D=0A=
light sensors in our smartphone cameras to PET scanners that inform=0D=0A=
treatment of cancer. Particle physicists have often led the development=0D=0A=
and exploitation of cutting edge radiation detectors to identify=0D=0A=
particles while measuring their energies, positions and directions.=0D=0A=
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Many radiation detectors use scintillators, which traditionally have=0D=0A=
nearly always been transparent to allow detection of the light. Our new=0D=0A=
counter-intuitive approach called "LiquidO" is to use highly scattering=0D=0A=
opaque scintillator. The opacity causes the light to bounce around close=0D=0A=
to where it is produced and then optical fibres extract the light. By=0D=0A=
looking at which fibres are hit and how much light each one sees,=0D=0A=
precise particle position and directional information can be obtained.=0D=0A=
We've demonstrated that our approach outperforms existing scintillator=0D=0A=
technology by a factor of two. With further R&D the resolution is=0D=0A=
expected to improve by 5-10x, for a similar cost to existing technology.=0D=0A=
Or, importantly for some applications, reduce the detector cost by 5-10x=0D=0A=
while maintaining the resolution.=0D=0A=
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There are multiple applications for high-resolution and cost-effective=0D=0A=
radiation imaging, from Compton cameras for gamma ray imaging to=0D=0A=
precision muon tomography. In particle physics, the CLOUD neutrino=0D=0A=
experiment will pioneer new physics measurements using the novel LiquidO=0D=0A=
opaque scintillator technology.=0D=0A=
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13:30-14:00 - In person refreshments=0D=0A=
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14:00-15:00 - seminar
LOCATION:Room 610, GO Jones
DTSTART:20260506T133000
DTEND:20260506T150000
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