An improved form of standard ionization chamber
نویسندگان
چکیده
منابع مشابه
An ionization chamber for fission fragment analysis
Fission fragments play a pivotal role in understanding the entire nuclear fission process, and their effects are widespread to all applications involving nuclear fission: reactor design and maintenance, waste removal, active and passive integration of nuclear materials, simulations, and the fundamental theories of fission. Currently, experimental data on the characteristic properties of fission...
متن کاملResponse characteristics of a tandem ionization chamber in standard X-ray beams.
A tandem ionization chamber was developed for quality control programs of the kilovoltage X-ray equipment used in radiotherapy. This chamber was tested and calibrated in low-energy X-ray beams in accordance with international recommendations, and it showed a satisfactory level of performance, mainly with regard to its main use, namely formation of a tandem system for confirmation of half-value ...
متن کاملStandard Ionization - Chamber Requirements for 250 - to 500 - Kilovolt X - Rays l
In 1953, the International Commission on Radiological Units recommended [1] the continued use of the roentgen up to 3 Mev for the measurement of Xand gamma-ray dose. The physical requirements of standard ionization chambers for measuring roentgens in the X-ray region up to 250 lev have already been reported [2,3,4]. The calibration of secondary instruments in at least two laboratories also seem...
متن کاملThe calibration of the 'Fingerhut' ionization chamber
The use of the "thimble" ionization chamber (Fingerhutkammer) has in the past been the only method for comparing the primary X-ray standards of different laboratories, hence the precise calibration of two thimble chambers is discussed in this paper. Five principal factors determine the accuracy of such a calibration, and it is shown that the errors are all, in general, in the same direction. It...
متن کاملEvaluation of dosimetry a performance parameter for a homemade farmer-type ionization chamber according to IEC60731
Introduction: Due to its simplicity, fast response and high reliability, ion chamber detectors are one of the most suitable dosimetry instruments for X and gamma rays. The dosimeter of photon beams, which used in radiotherapy centers, requires high accuracy and should pass requirements of IEC 60731 standards. About 80 percent of the IEC 60731 standard tests such as stabil...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Bureau of Standards Journal of Research
سال: 1930
ISSN: 0091-1801
DOI: 10.6028/jres.005.029