Determination of Neutron Temperatures in the Core of the RFR with Fission Probe; BESTIMMUNG DER NEUTRON-ENTEMPERATUR IN DER AKTIVEN ZONE DES RFR MIT SPALTSONDEN

Technical Report · Wed Feb 01 04:00:00 EST 1961

OSTI ID:4836064

Albert, D

The neutron temperature in the core of the RFR was determined as T/sub n/ = 422 plus or minus 22 deg K by comparing the fission product activities of Pu/ sup 239/ and U/sup 235/ samples. The fission products were gathered on filter paper and the BETA activity was measured with an end-window GM counter. There was only a negligible perturbation of the flux distribution in the vi-cinity of the measurement site because the sample holders consisted of polystyrol and because the irradiations were carried out in the moderator (light water) between the fuel rods. There was no necessity for foil corrections because the layers of fissionable material were very thin. (auth)

• Research Organization: Germany. Zentralinstitut fur Kernphysik, Dresden
• NSA Number: NSA-16-001265
• OSTI ID: 4836064
• Report Number(s): ZFK-RN-13
• Language: English

Related Subjects

BETA DECAY
BETA PARTICLES
CONFIGURATION
DISTRIBUTION
ENERGY
ENERGY RANGE
ERRORS
FILTERS
FISSION PRODUCTS
FISSIONABLE MATERIALS
FOILS
FUEL ELEMENTS
GEIGER-MUELLER COUNTERS
IRRADIATION
LAYERS
MEASURED VALUES
NEUTRON FLUX
PAPER
PLUTONIUM 239
POLYSTYRENE
RADIOACTIVITY
REACTIVITY
REACTOR CORE
REACTOR TECHNOLOGY
RESEARCH REACTORS
RODS
SPECTRA
TEMPERATURE
THICKNESS
URANIUM 235
WATER COOLANT
WATER MODERATOR
ZONES