Advances In Nuclear Data And All Particle Transport For Radiation Oncology PDF Download
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Total Pages | : 6 |
Release | : 1994 |
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Download Advances in Nuclear Data and All-particle Transport for Radiation Oncology Book in PDF, ePub and Kindle
Fast neutrons have been used to treat over 15,000 cancer patients worldwide and proton therapy is rapidly emerging as a treatment of choice for tumors around critical anatomical structures. Neutron therapy requires evaluated data to (approximately)70 MeV while proton therapy requires data to (approximately)250 MeV. Collaboration between Lawrence Livermore National Laboratory (LLNL) and the medical physics community has revealed limitations in nuclear cross section evaluations and radiation transport capabilities that have prevented neutron and proton radiation therapy centers from using Monte Carlo calculations to accurately predict dose in patients. These evaluations require energy- and angle-dependent cross sections for secondary neutrons, charged-particles and recoil nuclei. We are expanding the LLNL nuclear databases to higher energies for biologically important elements and have developed a three-dimensional, all-particle Monte Carlo radiation transport code that uses computer-assisted-tomography (CT) images as the input mesh. This code, called PEREGRINE calculates dose distributions in the human body and can be used as a tool to determine the dependence of dose on details of the evaluated nuclear data. In this paper, we will review the status of the nuclear data required for neutron and proton therapy, describe the capabilities of the PEREGRINE package, and show the effects of tissue inhomogeneities on dose distribution.
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Total Pages | : 30 |
Release | : 1995 |
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Download Nuclear Data Needs for Radiation Protection and Therapy Dosimetry Book in PDF, ePub and Kindle
New nuclear data are required for improved neutron and proton radiotherapy treatment planning as well as future applications of high-energy particle accelerators. Modern neutron radiotherapy employs energies extending to 70 MeV, while industrial applications such as transmutation and tritium breeding may generate neutrons exceeding energies of 100 MeV. Secondary neutrons produced by advanced proton therapy facilities can have energies as high as 250 MeV. Each use requires nuclear data for transport calculations and analysis of radiation effects (dosimetry). We discuss the nuclear data needs supportive of these applications including the different information requirements. As data in this energy region are sparse and likely to remain so, advanced nuclear model calculations can provide some of the needed information. ln this context, we present new evaluated nuclear data for C, N, and O. Additional experimental information, including integral and differential data, are required to confirm these results and to bound further calculations. We indicate the required new data to be measured and the difficulties in carrying out such experiments.
Author | : Harald Paganetti |
Publisher | : CRC Press |
Total Pages | : 691 |
Release | : 2016-04-19 |
Genre | : Medical |
ISBN | : 1439836450 |
Download Proton Therapy Physics Book in PDF, ePub and Kindle
Proton Therapy Physics goes beyond current books on proton therapy to provide an in-depth overview of the physics aspects of this radiation therapy modality, eliminating the need to dig through information scattered in the medical physics literature. After tracing the history of proton therapy, the book summarizes the atomic and nuclear physics background necessary for understanding proton interactions with tissue. It describes the physics of proton accelerators, the parameters of clinical proton beams, and the mechanisms to generate a conformal dose distribution in a patient. The text then covers detector systems and measuring techniques for reference dosimetry, outlines basic quality assurance and commissioning guidelines, and gives examples of Monte Carlo simulations in proton therapy. The book moves on to discussions of treatment planning for single- and multiple-field uniform doses, dose calculation concepts and algorithms, and precision and uncertainties for nonmoving and moving targets. It also examines computerized treatment plan optimization, methods for in vivo dose or beam range verification, the safety of patients and operating personnel, and the biological implications of using protons from a physics perspective. The final chapter illustrates the use of risk models for common tissue complications in treatment optimization. Along with exploring quality assurance issues and biological considerations, this practical guide collects the latest clinical studies on the use of protons in treatment planning and radiation monitoring. Suitable for both newcomers in medical physics and more seasoned specialists in radiation oncology, the book helps readers understand the uncertainties and limitations of precisely shaped dose distribution.
Author | : International Atomic Energy Agency |
Publisher | : IAEA |
Total Pages | : 704 |
Release | : 2005 |
Genre | : Business & Economics |
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Download Radiation Oncology Physics Book in PDF, ePub and Kindle
This publication is aimed at students and teachers involved in teaching programmes in field of medical radiation physics, and it covers the basic medical physics knowledge required in the form of a syllabus for modern radiation oncology. The information will be useful to those preparing for professional certification exams in radiation oncology, medical physics, dosimetry or radiotherapy technology.
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Total Pages | : 658 |
Release | : 1995 |
Genre | : Science |
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Download Government Reports Announcements & Index Book in PDF, ePub and Kindle
Author | : Jake Van Dyk |
Publisher | : Medical Physics Publishing Corporation |
Total Pages | : 1106 |
Release | : 1999 |
Genre | : Medical |
ISBN | : |
Download The Modern Technology of Radiation Oncology Book in PDF, ePub and Kindle
Details technology associated with radiation oncology, emphasizing design of all equipment allied with radiation treatment. Describes procedures required to implement equipment in clinical service, covering needs assessment, purchase, acceptance, and commissioning, and explains quality assurance issues. Also addresses less common and evolving technologies. For medical physicists and radiation oncologists, as well as radiation therapists, dosimetrists, and engineering technologists. Includes bandw medical images and photos of equipment. Paper edition (unseen), $145.95. Annotation copyrighted by Book News, Inc., Portland, OR
Author | : J. K. Dickens |
Publisher | : |
Total Pages | : 634 |
Release | : 1994 |
Genre | : Science |
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Download Nuclear Data for Science and Technology Book in PDF, ePub and Kindle
Author | : Los Alamos Scientific Laboratory |
Publisher | : |
Total Pages | : 472 |
Release | : 1957 |
Genre | : Cross sections (Nuclear physics) |
ISBN | : |
Download Charged Particle Cross Sections Book in PDF, ePub and Kindle
Author | : International Commission on Radiation Units and Measurements |
Publisher | : |
Total Pages | : 276 |
Release | : 1956 |
Genre | : Neutrons |
ISBN | : |
Download Report - International Commission on Radiation Units and Measurements Book in PDF, ePub and Kindle
Has supplements.
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 222 |
Release | : 1999-03-31 |
Genre | : Science |
ISBN | : 0309173663 |
Download Nuclear Physics Book in PDF, ePub and Kindle
Dramatic progress has been made in all branches of physics since the National Research Council's 1986 decadal survey of the field. The Physics in a New Era series explores these advances and looks ahead to future goals. The series includes assessments of the major subfields and reports on several smaller subfields, and preparation has begun on an overview volume on the unity of physics, its relationships to other fields, and its contributions to national needs. Nuclear Physics is the latest volume of the series. The book describes current activity in understanding nuclear structure and symmetries, the behavior of matter at extreme densities, the role of nuclear physics in astrophysics and cosmology, and the instrumentation and facilities used by the field. It makes recommendations on the resources needed for experimental and theoretical advances in the coming decade.