Author: Remzi MertogulPublisher:
ISBN:
Category :
Languages : en
Pages : 152
Book Description
Design, Construction, and Calibration of a Proton Recoil Proportional Counter for Neutron Spectrum Measurements
Author: Remzi MertogulNeutron Spectrum Measurements Using Proton Recoil Proportional Counters
Author: Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Measurements of degraded fission-neutron spectra using recoil proportional counters are done routinely for studies involving fast reactor mockups. The same techniques are applicable to measurements of neutron spectra required for personnel dosimetry in fast neutron environments. A brief discussion of current applications of these methods together with the results of a measurement made on the LITTLE BOY assembly at Los Alamos are here described.
Measurement of neutron spectra with hydrogen proportional counters : part 2 : analysis of proton recoil distributions
Author: R. BirchPreliminary Testing of a Proportional Counter for Neutron Spectroscopy with Helium-3
Author: John N. GreenPublisher:
ISBN:
Category : Economics
Languages : en
Pages : 68
Book Description
Proton-recoil Proportional-counter Array for Neutron-image Construction
Author: Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
The fuel-motion measurement capability of the fast-neutron hodoscope has been upgraded by the addition of a 360-detector proton-recoil proportional-counter array, which detects high-energy fission neutrons. The current sensitive amplifier/discriminator module for each detector fits into a 12.7 by 12.7 by 102 mm package and cost less than $100 per module. It has a 50 ns rise time, a noise level of 100 nA, and a deadtime per event of 200 ns. Provision has been provided for the independent adjustment of the input current versus discriminator voltage for each module. The new proportional-counters cost approximately $400 each. Each detector has been tested to have the same gain versus voltage response. A space-charge model relating count-rate changes to space-charge effects has also been developed. The new detector array has been operational for approximately two years and has become the main detector system in fuel-motion analysis. It has significantly improved the linearity, stability, count-rate capability, and setup ease of the hodoscope.
Hydrogen Recoil Proportional Counter for Neutron Detection
Author: J. H. CoonNuclear Science Abstracts
Author: Measurement of neutron spectra with hydrogen proportional counters
Author: R. BirchPublisher:
ISBN: 9780705808897
Category : Neutrons
Languages : en
Pages : 18
Book Description
Spectrum Measurements of Radioactive Neutron Sources in the 10 KeV - 10 MeV Energy Region with Proton-recoil Proportional Counters
Author: Interim Report on a Fast- and Slow-neutron Survey Meter
Author: A. H. RedmondPublisher:
ISBN:
Category : Neutrons
Languages : en
Pages : 54
Book Description
If necessary, the instrument can be used to determine whether a given flux from a reactor is moderated or unmoderated. The experimental model contains proportional counters sensitive to fast or slow neutrons; at a tolerance flux of either, the instrument reads in the neighborhood of halfscale. The model case measures about 6 by 6 by 11 in. Power is derived from five 1.5 volt flashlight cells, and the instrument should operate continuously for more than 60 hours at room temperature. A plutonium source is used for a check of sensitivity, to ensure that the instrument is in calibration before use.