Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Electron dose calculation using multiple-scattering theory: second-order multiple-scattering theory.

D Jette1, A Bielajew

  • 1Institute of Applied Physiology and Medicine, Seattle, Washington 98122.

Medical Physics
|September 1, 1989
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Integrating a MRI scanner with a 6 MV radiotherapy accelerator: dose deposition in a transverse magnetic field.

Physics in medicine and biology·2004
Same author

Magnetic fields with photon beams: use of circular current loops.

Medical physics·2001
Same author

Magnetic fields with photon beams: Monte Carlo calculations for a model magnetic field.

Medical physics·2001
Same author

Magnetic fields with photon beams: dose calculation using electron multiple-scattering theory.

Medical physics·2000
Same author

Photon dose calculation based on electron multiple-scattering theory: primary dose deposition kernels.

Medical physics·1999
Same author

On the possibility of determining an effective energy spectrum of clinical electron beams from percentage depth dose (PDD) data of broad beams.

Physics in medicine and biology·1999
Same journal

Correction to "On the shape of the radiation survival curve in tumor spheroids: The role of oxygen heterogeneity".

Medical physics·2026
Same journal

Multi-view constrained semi-supervised vertebra detection for 3D ultrasound spine volume.

Medical physics·2026
Same journal

Accuracy of quantitative <sup>177</sup>Lu SPECT/CT imaging: A systematic review.

Medical physics·2026
Same journal

Physics-constrained dual-domain network for CBCT reconstruction from orthogonal X-rays in gynecologic radiotherapy.

Medical physics·2026
Same journal

Decomposition-based harmonization for quantitative PET imaging across scanners and radiotracers.

Medical physics·2026
Same journal

Development and evaluation of an in vivo dose-based monitoring system for electron FLASH radiation therapy.

Medical physics·2026
See all related articles

This study introduces a more accurate second-order multiple-scattering theory for calculating electron dose, improving upon the Fermi-Eyges theory. This enhanced electron dose calculation method shows increased accuracy compared to Monte Carlo simulations.

Area of Science:

  • Medical Physics
  • Computational Physics
  • Radiation Oncology

Background:

  • Accurate electron dose calculation is crucial for effective radiation therapy.
  • Existing methods like Fermi-Eyges theory have limitations in complex scattering scenarios.
  • Multiple-scattering theories offer a more robust approach to electron transport.

Purpose of the Study:

  • To systematically present the second-order multiple-scattering theory as a generalization of Fermi-Eyges theory.
  • To compare the accuracy of second-order theory against Fermi-Eyges theory and Monte Carlo simulations.
  • To explore the application of second-order theory in Fourier-transformed space for high-speed algorithms.

Main Methods:

  • Derivation of the second-order multiple-scattering theory and its defining functions.

Related Experiment Videos

  • Comparison of theoretical predictions with modified Monte Carlo calculations.
  • Analysis of broad-beam angular distributions and dose profiles.
  • Formulation of the second-order theory in Fourier-transformed space.

    • Main Results:

    • The second-order multiple-scattering theory demonstrates increased accuracy over the Fermi-Eyges theory.
    • Large-angle scattering significantly affects dose profiles, as captured by the second-order theory.
    • The Fourier-transformed second-order theory is suitable for fast Fourier transform (FFT) based dose calculation algorithms.

    Conclusions:

    • Second-order multiple-scattering theory provides a more accurate method for electron dose calculation in radiation therapy.
    • This advanced theory improves upon the limitations of first-order theories, especially concerning large-angle scattering.
    • The development of FFT-based algorithms using this theory promises faster and more precise dose calculations.