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Cross Section Measurement for the 95Mo(n, {alpha})92Zr Reaction at 4.0, 5.0 and 6.0 MeV

Conference ·
OSTI ID:1017298
 [1];  [1];  [1];  [1];  [1];  [1];  [2];  [3];  [4];  [2];  [5]
  1. Peking University
  2. ORNL
  3. Joint Institute for Nuclear Research, Dubna, Russia
  4. National University of Mongolia
  5. University of Lodz
+ Show Author Affiliations
For the {sup 95}Mo(n, {alpha}){sup 92}Zr reaction cross section, there is only one experimental datum in the MeV neutron energy region with large uncertainty. As a result, very large deviations exist in different evaluated nuclear data libraries. This paper report the measurement of cross sections of the {sup 95}Mo(n, {alpha}){sup 92}Zr reaction at En = 4.0, 5.0 and 6.0 MeV. Experiments were performed at the 4.5 MV Van de Graaff of Peking University, China. A twin gridded ionization chamber was used as alpha particle detector and two large area {sup 95}Mo samples placed back to back were adopted. Fast neutrons were produced through the D(d, n){sup 3}He reaction by using a deuterium gas target. A small {sup 238}U fission chamber was adopted for absolute neutron flux determination and a BF{sub 3} long counter was used for neutron flux monitor. Present experimental data are compared with existing evaluations and measurement.
Research Organization:
Oak Ridge National Laboratory (ORNL)
Sponsoring Organization:
SC USDOE - Office of Science (SC)
DOE Contract Number:
AC05-00OR22725
OSTI ID:
1017298
Country of Publication:
United States
Language:
English

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Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ALPHA PARTICLES
CHINA
CROSS SECTIONS
DEUTERIUM
FAST NEUTRONS
FISSION CHAMBERS
IONIZATION CHAMBERS
LONG COUNTERS
NEUTRON FLUX
NEUTRONS
NUCLEI