Zobrazeno 1 - 10
of 50
pro vyhledávání: '"J.W. Epstein"'
Autor:
Paul Dowkontt, J.W. Epstein, S. Shrinivas, W. R. Binns, Assen S. Kirov, Jeffrey F. Williamson, C. Hurlbut, James F. Dempsey
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 439:178-188
Detecting the scintillation light coming from a thin sheet of plastic scintillator (PS) provides a promising fast and precise tissue equivalent method for radiation dose measurements in two dimensions. The successful implementation of such technique
Autor:
W. R. Binns, Jeffrey F. Williamson, C. Hurlbut, J.W. Epstein, James F. Dempsey, S. Shrinivas, Assen S. Kirov, Paul Dowkontt
Publikováno v:
Medical Physics. 26:1515-1523
Plastic scintillator (PS) has been proposed for both one- and two-dimensional (1D and 2D) dose measurements for radiation therapy applications. For low-energy photon modalities (e.g., brachytherapy), an efficient water equivalent scintillator is need
Autor:
R. R. Betts, A. Gillitzer, Burt Holzman, A. H. Wuosmaa, J.W. Epstein, R. Ganz, V. Nanal, D. McLeod, W. F. Henning, D. J. Hofman, B. B. Back, W. R. Binns
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 412:191-199
A beam vertex detector system based on 200 μm square scintillating fibers has been built and utilized in an experiment with 6,8, and 10.8 GeV /u 197 Au beams with intensities of up to 3×105 particles per 1.6 s spill at the AGS at Brookhaven Nationa
Autor:
Paul Dowkontt, J. J. Connell, J. C. Kish, W. R. Binns, M. H. Israel, J. Klarmann, J.W. Epstein, W.R. Webber
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 294:335-350
The Scintillating Optical Fiber Isotope Experiment (SOFIE) is a Cherenkov d E /d x -range experiment being developed to study the isotopic composition of cosmic rays in the iron region with sufficient resolution to resolve isotopes separated by one m
Autor:
Abel Cheng, W. Robert Binns, J.W. Epstein, James A. Purdy, J. Klarmann, John Wong, Lewis Y. Geer
Publikováno v:
International Journal of Radiation Oncology*Biology*Physics. 18:1477-1484
In the optical approach for on-line radiotherapy imaging, a large metal sheet-fluorescent screen combination is used to convert the radiation intensity distribution into a visible light image. Data are then captured via a mirror with a camera located
High altitude balloon flights of position sensitive CdZnTe detectors for high energy X-ray astronomy
Autor:
Paul Dowkontt, J.W. Epstein, Kimberly R. Slavis, Ed Stephan, Paul L. Hink, Robert T. Skelton, Fred Duttweiler, George L. Huszar, Philippe Leblanc, James L. Matteson
Publikováno v:
AIP Conference Proceedings.
Cadmium Zinc Telluride (CZT) is a semiconductor detector well suited for high energy X-ray astronomy. The High-Energy X-ray Imaging Spectrometer (HEXIS) program is developing this technology for use in a hard X-ray all-sky survey and as a focal plane
Autor:
M. Lijowski, Paul L. Hink, Paul Dowkontt, Walter R. Cook, M. A. Olevitch, T. T. von Rosenvinge, B. Milliken, M. R. Thayer, E. R. Christian, R. A. Leske, J. Klarmann, R. A. Mewaldt, E. C. Stone, D. J. Crary, W. R. Binns, M. E. Wiedenbeck, H. Trexel, J.W. Epstein, A. C. Cummings, R. Grumm, S. Shuman, B. L. Dougherty, R. G. Radocinski, Christina Cohen, B. Gauld, B. Kecman
Publikováno v:
The Advanced Composition Explorer Mission ISBN: 9789401060011
The Cosmic-Ray Isotope Spectrometer is designed to cover the highest decade of the Advanced Composition Explorer’s energy interval, from ∼50 to ∼500 MeV nucl-1, with isotopic resolution for elements from Z ≃ 2 to Z ≃ 30. The nuclei detected
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f906ee0c1ffe0fc2a1826079482ca98
https://doi.org/10.1007/978-94-011-4762-0_14
https://doi.org/10.1007/978-94-011-4762-0_14
Publikováno v:
International journal of radiation oncology, biology, physics. 26(2)
Purpose: We have previously reported the development of a fiber-optic fluoroscopic system for on-line imaging on radiation therapy machines with beam-stops because of space limitation. While the images were adequate for clinical purposes in most case
Publikováno v:
International Journal of Radiation Oncology*Biology*Physics. 21:124
Publikováno v:
Nuclear Instruments and Methods. 140:569-576
The mechanical construction and electronics of a large-area multiwire ionization hodoscope are described. Each chamber is 0.83 m by 1.65 m with wire spacing of 2.5 cm. The chambers are assembled to compose a hodoscope for a 6.6 m 2 ·sr cosmic ray de