Zobrazeno 1 - 10
of 203
pro vyhledávání: '"L Papiez"'
Autor:
Jerry J. Battista, L Papiez
Publikováno v:
Physics in Medicine and Biology. 39:1053-1062
The concepts of radiance and fluence are fundamental to the description of a radiation field. The International Commission on Radiological Units and Measurements (ICRU) has defined fluence in terms of the number of the radiation particles crossing a
Publikováno v:
Medical physics. 37(8)
The primary goal of this article is to formulate volumetric modulated arc therapy (VMAT) delivery problem and study interdependence between several parameters (beam dose rate, gantry angular speed, and MLC leaf speed) in the delivery of VMAT treatmen
Publikováno v:
UKACC International Conference on CONTROL 2010.
The goal of this paper is the formulation of the volumetric modulated arc radiation therapy (VMAT) delivery problem to moving tumors treated on medical linear accelerators. The main aim of the study is to determine and understand the interdependence
Publikováno v:
Proceedings of the 22nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society (Cat. No.00CH37143).
The potential tradeoff between small relaxations in a dose volume limit and large increases in minimum tumor dose is unavailable in current planning programs. This study shows how the sensitivities to individual limits can be discovered using an opti
Publikováno v:
Advanced Monte Carlo for Radiation Physics, Particle Transport Simulation and Applications ISBN: 9783642621130
The method of trajectory rotation (Lazurik and Moskvin, Nucl. Instr. and Meth. B134, 1998, p. 1-12) has been modified for calculations of deep penetration of electron beams through thick targets. The new algorithm obtained is presented together with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed527e1a2495958b8e79535f41ab0171
https://doi.org/10.1007/978-3-642-18211-2_33
https://doi.org/10.1007/978-3-642-18211-2_33
Autor:
C DesRosiers, L Likes, R.D Timmerman, Mark Richard James Williams, L Papiez, Ronald C. McGarry, S Frost
Publikováno v:
International Journal of Radiation Oncology*Biology*Physics. 57:S280-S281
Publikováno v:
Medical Physics. 38:3588-3588
Purpose: To evaluate the impact of gantry acceleration on the VMAT arc therapy delivery. Methods and Materials: The rapid delivery of VMAT arc therapy requires fast motion of the gantry around the patient. The difficulty is that the large inertia of
Publikováno v:
Medical Physics. 38:3582-3582
Purpose: This study focuses on the possible clinical impacts and the trustworthy of calculated dose distributions evaluated by measured gamma criteria and potential use of plan‐specific gamma value. Method and Materials:A MATLAB‐based program was
Publikováno v:
Medical physics. 18(1)
A restricted angular scattering model for electron penetration in dense media is presented. In the model, the Fermi-Eyges transport equation is modified through the addition of an extra term which may be interpreted as representing an apparent force
Publikováno v:
Journal of Mathematical Physics. 28:103-123
The quantum evolution of an N‐body system of particles that mutually interact through scalar fields and couple to an arbitrary external electromagnetic field is rigorously described. Both operator and kernel valued solutions to the evolution proble