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

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

D Jette1

  • 1The Lawrence H. Lanzl Institute of Medical Physics, Seattle, Washington 98103-0760, USA. dave@lanzl.com

Medical Physics
|September 13, 2000
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

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 author

Photon dose calculation based on electron multiple-scattering theory: practical representation of dose and particle transport integrals.

Medical physics·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

Strong magnetic fields can alter radiation therapy doses. This study introduces new equations to model charged particle transport, predicting significant dose changes in patients receiving photon beam irradiation.

Area of Science:

  • Medical Physics
  • Radiation Oncology
  • Computational Physics

Background:

  • Photon beam irradiation can lead to localized dose variations.
  • External magnetic fields are increasingly explored for modulating radiation therapy effects.
  • Accurate modeling of charged particle transport is crucial for predicting dose distribution.

Purpose of the Study:

  • To develop a novel equation of motion for charged particle transport in arbitrary magnetic fields.
  • To incorporate energy loss and multiple scattering effects into the model.
  • To provide a theoretical framework for understanding magnetic field-induced dose modifications in radiation therapy.

Main Methods:

  • Developed a new equation of motion for charged particle transport.
  • Incorporated energy loss and multiple scattering, introducing the concept of 'typical scattered particles'.

Related Experiment Videos

  • Formulated equations applicable to Compton and pair-production electrons/positrons.

    • Main Results:

    • The developed equations qualitatively demonstrate how strong transverse magnetic fields can cause significant dose enhancements and reductions.
    • The model is particularly relevant for charged particles generated by photon beams (Compton and pair-production electrons/positrons).
    • A companion study validates these findings using Monte Carlo simulations.

    Conclusions:

    • The new theoretical framework accurately predicts dose modifications in localized regions due to magnetic fields.
    • This work provides a foundation for optimizing radiation therapy techniques using magnetic fields.
    • Further investigation through simulations confirms the potential for substantial dose alterations.