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Insertion of STC into TRT at the Department of Physics, Oxford
Credit: CERN

Dr Sparshita Dey

Academic Visitor

Research theme

  • Particle astrophysics & cosmology

Sub department

  • Particle Physics

Research groups

  • LUX-ZEPLIN
deysparshita3@gmail.com
Denys Wilkinson Building, room 504
My Github
  • About

I completed my DPhil in Particle Physics at Oxford working on the LUX-ZEPLIN dark matter direct detection experiment, which uses a dual-phase xenon time projection chamber (TPC) to search for dark matter candidates such as WIMPs, as well as other rare event signatures.

My DPhil research focused on the interplay between electric fields in the LZ TPC, charge drift and transport in liquid xenon, and spurious electron emission near the liquid surface and high-voltage electrodes. I also contributed to the HydroX experiment at SLAC, which studies hydrogen-doped xenon as a route to improving sensitivity to low-mass dark matter.

During my time at Oxford, I taught B4 Subatomic Physics and A2 Optics at St Hilda’s College, as well as elements of the fourth-year Particle Physics course, including accelerators and detectors, CP violation and neutrino oscillations.

I am now a Postdoctoral Research Associate at Fermilab, where I work primarily in neutrino physics. My current research spans machine-learning applications for neutrino reconstruction and inference, including work on NuGraph2 and inference-as-a-service pipelines, as well as surrogate modelling for DUNE and the Neutrino Data Platform. I am also involved in detector R&D for DUNE, including liquid-argon TPC instrumentation, charge-readout technologies and associated hardware development.

Research interests

Dark Matter
Electric Fields
Electron Emission
Time Projection Chambers
Neutrinos

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