Non Invasive Beam Monitoring Using The Lhcb Velo Module At A 40 Mev Proton Beamline
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Non Invasive Beam Monitoring Using The Lhcb Velo Module At A 40 Mev Proton Beamline
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Author : Roland SCHNUERER
language : en
Publisher:
Release Date : 2017
Non Invasive Beam Monitoring Using The Lhcb Velo Module At A 40 Mev Proton Beamline written by Roland SCHNUERER and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
In proton beam therapy, knowledge of the detailed beam properties is essential to ensure effective dose delivery to the patient. In clinical practice, currently used interceptive ionisation chambers require daily calibration and suffer from slow response time. This contribution presents a new non-invasive method for dose online monitoring. It is based on the silicon multi-strip sensor LHCb VELO (VErtex LOcator), developed originally for the LHCb experiment at CERN. The semi-circular detector geometry offers the possibility to measure beam intensity through halo measurements without interfering with the beam core.Results from initial tests using this monitor in the 40 MeV proton beamline at the University of Birmingham, UK are shown. Synchronised with a Faraday Cup and the RF cyclotron frequency, VELO was used as an online monitor by measuring the beam current at different dose rates in the proton beam halo and this information was used as basis for 2D and 3D beam profiles along the beamline. Experimental results demonstrate the linearity, accuracy, reproducibility and sensitivity of the VELO detector and this is discussed, in comparison with beam tracking simulations. These measurements will direct the implementation of the system at the 60 MeV proton therapy beamline at the Clatterbridge Cancer Centre (CCC), UK where further studies will be performed to fully exploit the potential of the VELO detector as a beam monitor for medical accelerators.
Evolution Of Silicon Sensor Technology In Particle Physics
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Author : Frank Hartmann
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-12-01
Evolution Of Silicon Sensor Technology In Particle Physics written by Frank Hartmann and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-12-01 with Science categories.
In the post era of the Z and W discovery, after the observation of Jets at UA1 and UA2 at CERN, John Ellis visioned at a HEP conference at Lake Tahoe, California in 1983 “To proceed with high energy particle physics, one has to tag the avour of the quarks!” This statement re ects the need for a highly precise tracking device, being able to resolve secondary and tertiary vertices within high-particle densities. Since the d- tance between the primary interaction point and the secondary vertex is proportional tothelifetimeoftheparticipatingparticle,itisanexcellentquantitytoidentifypar- cle avour in a very fast and precise way. In colliding beam experiments this method was applied especially to tag the presence of b quarks within particle jets. It was rst introduced in the DELPHI experiment at LEP but soon followed by all collider - periments to date. The long expected t quark discovery was possible mainly with the help of the CDF silicon vertex tracker, providing the b quark information. In the beginning of the 21st century the new LHC experiments are beginning to take 2 shape. CMS with its 206m of silicon area is perfectly suited to cope with the high luminosity environment. Even larger detectors are envisioned for the far future, like the SiLC project for the International Linear Collider. Silicon sensors matured from small 1in. single-sided devices to large 6in. double-sided, double metal detectors and to 6in. single-sided radiation hard sensors.
Spherical Proportional Counter
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Author : H. Agnew
language : en
Publisher:
Release Date : 1946
Spherical Proportional Counter written by H. Agnew and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1946 with Nuclear counters categories.
A Pulsed Neutron Source
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Author : E. Frank Martina
language : en
Publisher:
Release Date : 1954
A Pulsed Neutron Source written by E. Frank Martina and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1954 with Neutron sources categories.
Proton Therapy Physics
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Author : Harald Paganetti
language : en
Publisher: CRC Press
Release Date : 2016-04-19
Proton Therapy Physics written by Harald Paganetti and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-19 with Medical categories.
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.
Frontiers Of Fundamental Physics
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Author : M. Barone
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Frontiers Of Fundamental Physics written by M. Barone and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
The Olympia conference Frontiers of Fundamental Physics was a gathering of about hundred scientists who carryon their research in conceptually important areas of physical science (they do "fundamental physics"). Most of them were physicists, but also historians and philosophers of science were well represented. An important fraction of the participants could be considered "heretical" because they disagreed with the validity of one or several fundamental assumptions of modern physics. Common to all participants was an excellent scientific level coupled with a remarkable intellectual honesty: we are proud to present to the readers this certainly unique book. Alternative ways of considering fundamental matters should of course be vitally important for the progress of science, unless one wanted to admit that physics at the end of the XXth century has already obtained the final truth, a very unlikely possibility even if one accepted the doubtful idea of the existence of a "final" truth. The merits of the Olympia conference should therefore not be judged a priori in a positive or in a negative way depending on one's refusal or acceptance, respectively, but considered after reading the actual of basic principles of contemporary science, new proposals and evidences there presented. They seem very important to us.
Particle Physics Reference Library
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Author : Christian W. Fabjan
language : en
Publisher: Springer Nature
Release Date : 2020
Particle Physics Reference Library written by Christian W. Fabjan and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with Elementary particles (Physics). categories.
This second open access volume of the handbook series deals with detectors, large experimental facilities and data handling, both for accelerator and non-accelerator based experiments. It also covers applications in medicine and life sciences. A joint CERN-Springer initiative, the "Particle Physics Reference Library" provides revised and updated contributions based on previously published material in the well-known Landolt-Boernstein series on particle physics, accelerators and detectors (volumes 21A, B1,B2,C), which took stock of the field approximately one decade ago. Central to this new initiative is publication under full open access
The Gamma Ray Observatory
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Author :
language : en
Publisher:
Release Date : 1991
The Gamma Ray Observatory written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Gamma ray astronomy categories.
Radiotherapy Physics
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Author : J.R. Williams
language : en
Publisher:
Release Date : 2004
Radiotherapy Physics written by J.R. Williams and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Transition Radiation And Transition Scattering
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Author : Vitaliĭ Lazarevich Ginzburg
language : en
Publisher: CRC Press
Release Date : 1990
Transition Radiation And Transition Scattering written by Vitaliĭ Lazarevich Ginzburg and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Art categories.
Book deals with radiation emission moving through plasmas and will be of interest to nuclear physicists, astrophysicsts. Russians very strong on plasma physics. Topical research, original material not available before. First appeared in 1984 but this translation includes two new chapters bringing it up to date, new referennces, 100 pages longer than previous edition. Usual criticism of translations does not apply as it's completely rewritten and revised. Ginzburg is one of the world's leading theoretical physicists. Tystovich is well known in the west, travels a lot, sometimes works in UK. AIP have other plasma books to promote with this. Plasma Physics Series.