R. Larsen

ORCID: 0009-0001-2605-4643
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About
Contact & Profiles
Research Areas
  • Radiation Effects and Dosimetry
  • Advanced Radiotherapy Techniques
  • Radiation Therapy and Dosimetry
  • Particle accelerators and beam dynamics
  • Superconducting Materials and Applications
  • Advanced Causal Inference Techniques
  • Radiative Heat Transfer Studies
  • Radiation Detection and Scintillator Technologies
  • Optical and Acousto-Optic Technologies
  • Quantum Mechanics and Applications
  • Muon and positron interactions and applications
  • Mechanical and Optical Resonators
  • GaN-based semiconductor devices and materials
  • Atmospheric aerosols and clouds
  • Statistical Methods in Clinical Trials
  • Particle Accelerators and Free-Electron Lasers
  • Health Systems, Economic Evaluations, Quality of Life
  • Radio Wave Propagation Studies
  • Quantum Information and Cryptography
  • Optical Wireless Communication Technologies
  • Electron and X-Ray Spectroscopy Techniques

WinnMed
2025

University of Groningen
2024

University of Copenhagen
2024

Associated Universities, Inc.
2002

Brookhaven National Laboratory
2002

University of Miami
2000-2002

John F. Kennedy Medical Center
1986

Abstract Objective . Very high energy electrons (VHEE) in the range of 50–250 MeV are interest for treating deep-seated tumours with FLASH radiotherapy (RT). This approach offers favourable dose distributions and ability to deliver ultra-high rates (UHDR) efficiently. To make VHEE-based treatment clinically viable, a novel beam monitoring technology is explored as an alternative transmission ionisation monitor chambers, which have non-linear responses at UHDR. study introduces fibre optic...

10.1088/1361-6560/ad33a0 article EN cc-by Physics in Medicine and Biology 2024-03-13

Randomized controlled trials (RCTs) provide the highest level of clinical evidence but are often limited by cost, time, and ethical constraints. Emulating RCTs using real-world data (RWD) offers a complementary approach to evaluate treatment effect in real setting. This study aims replicate based on Mayo Clinic Platform (MCP) electronic health records (EHRs) emulation frameworks. In this study, we address two key questions: (1) whether can be feasibly replicated MCP, (2) trial produces...

10.1101/2025.03.19.25324271 preprint EN cc-by medRxiv (Cold Spring Harbor Laboratory) 2025-03-20

Electrostatic quadrupole focusing is to be used in the high precision measurement of anomalous magnetic moment muon, AGS Experiment 821. The final design uses planar rather than hyperbolic electrodes, and field pulsed minimize effect trapped electrons. mechanical described. Performance a 1.5 T at less 10/sup -6/ Torr reviewed.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

10.1109/pac.1993.309226 article EN 2002-12-30

A dosimetric evaluation was performed for a set of UMW electron wedges, developed at the University Miami and manufactured by MED-TEC, Inc., on Varian CL-2100 CD accelerator. These wedges were designed to generate wedged beam profiles with virtually no degradation energy. For beams ranging from 6 18 MeV, depth doses acquired various depths including photon contamination region using Wellhofer water tank 0.14 cc ion chamber. The analysis showed that changes in energy wedge filtering process...

10.1109/iembs.2000.901488 article EN 2002-11-11

10.1016/0360-3016(86)90637-1 article EN International Journal of Radiation Oncology*Biology*Physics 1986-11-01
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