W. F. George

ORCID: 0000-0003-3674-7475
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About
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Research Areas
  • Particle physics theoretical and experimental studies
  • High-Energy Particle Collisions Research
  • Particle Detector Development and Performance
  • Quantum Chromodynamics and Particle Interactions
  • Dark Matter and Cosmic Phenomena
  • Neutrino Physics Research
  • Computational Physics and Python Applications
  • Cosmology and Gravitation Theories
  • Radiation Detection and Scintillator Technologies
  • Distributed and Parallel Computing Systems
  • Medical Imaging Techniques and Applications
  • Astrophysics and Cosmic Phenomena
  • Advanced Data Storage Technologies
  • Superconducting Materials and Applications
  • Atomic and Subatomic Physics Research
  • Analog and Mixed-Signal Circuit Design
  • Advanced Electrical Measurement Techniques
  • Particle Accelerators and Free-Electron Lasers
  • Experimental Learning in Engineering
  • Black Holes and Theoretical Physics
  • Big Data Technologies and Applications
  • CCD and CMOS Imaging Sensors

University of Birmingham
2021-2025

The University of Adelaide
2022-2023

University of Manchester
2023

High Energy Accelerator Research Organization
2023

University of California, Santa Cruz
2023

Jožef Stefan Institute
2023

Abstract The ATLAS experiment is constructing new all-silicon inner tracking system for HL-LHC. strip detectors cover the radial extent of 40 to 100 cm. A approach adopted use p-type silicon material, making readout in n + -strips, so-called -in-p sensors. This allows enhanced radiation tolerance against an order magnitude higher particle fluence compared LHC. To cope with varying hit rates and occupancies as a function distance, there are two barrel sensor types, short strips (SS) 2 long...

10.1088/1748-0221/18/03/t03008 article EN Journal of Instrumentation 2023-03-01

Abstract The successful pre-production delivery of strip sensors for the new Inner Tracker (ITk) upgraded ATLAS detector at High Luminosity LHC (HL-LHC) CERN was completed and based on their performance full production has commenced. overall period is anticipated to last 4 years complete approximately 22000 required ITk. For Quality Assurance (QA), a number test structures designed by collaboration, along with large area diode miniature version main sensor, are produced in every wafer...

10.1088/1748-0221/18/05/c05009 article EN cc-by Journal of Instrumentation 2023-05-01

The Quality Control (QC) of pre-production strip sensors for the Inner Tracker (ITk) ATLAS Detector upgrade has finished, and collaboration embarked on QC test programme production sensors. This will last more than 3 years comprises evaluation approximately 22000 8 Types sensors, 2 barrel 6 endcap, be measured at many different collaborating institutes. sustained throughput requirement combined processes is around 500 per month in total. Measurement protocols have been established acceptance...

10.1016/j.nima.2022.167608 article EN cc-by Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2022-10-18

Abstract The production of strip sensors within the framework ATLAS Inner Tracker (ITk) development is a process which requires continuous evaluation during full period (about 4 years). Such an divided into two different parts: Quality Control (QC), focuses on final product (the actual sensors) and tries to identify possible defects once fabrication completed, Assurance (QA), aims prevent deviations in manufacturing uses specifically-designed test structures. initial sensor pre-production...

10.1088/1748-0221/17/11/c11002 article EN cc-by Journal of Instrumentation 2022-11-01

In order to continue the program of LHC, accelerator will be upgraded High Luminosity LHC (HL-LHC), which have a design luminosity $5 \times 10^{34} cm^{-2}s^{-1}$ , an magnitude greater than present machine. meet occupancy and radiation hardness requirements resulting from this increase in luminosity, ATLAS tracking detector must replaced. The Collaboration is constructing new central system based completely on silicon sensors. satisfy we developed n-in-p sensor design. Extensive studies...

10.22323/1.420.0043 article EN cc-by-nc-nd 2023-03-13

The large integrated luminosity collected by the ATLAS detector at LHC provides opportunity to probe presence of new physics that could enhance rate very rare processes in Standard Model (SM). can therefore gain considerable sensitivity for flavour changing neutral current (FCNC) and charged lepton violating (CLFV) interactions top quark. In SM, FCNCs are highly suppressed while CLFV forbidden so any measurable branching ratio such a process is an indication physics. production four quarks...

10.48550/arxiv.2307.04664 preprint EN cc-by arXiv (Cornell University) 2023-01-01
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