Bilateral intercomparison of the neutron emission rate of a (252)Cf spontaneous fission source between the National Physical Laboratory, Teddington, UK and the Physikalisch-Technische Bundesanstalt, Braunschweig, Germany
Abstract
The neutron emission rate of a small Cf-252 fission source, incorporated into a fission counter, has been measured by two different methods. The fission rate of the source was measured at Physikalisch-Technische Bundesanstalt (PTB), the neutron emission rate being obtained by means of the neutron multiplicity factor nu(bar). The manganese sulphate bath method was used at the National Physical Laboratory (NPL) to determine the total neutron emission from the chamber assembly. Agreement between the two independent methods was found to be within 1%.
- Publication:
-
Final Report National Physical Lab
- Pub Date:
- September 1994
- Bibcode:
- 1994npl..rept.....B
- Keywords:
-
- Californium Isotopes;
- Fission;
- Neutron Emission;
- Neutron Sources;
- Manganese Compounds;
- Neutrons;
- Sulfates;
- Atomic and Molecular Physics