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Applied nuclear data research and development. Semiannual progress report, October 1, 1981-March 31, 1982

Technical Report ·
OSTI ID:6780288
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This progress report describes the activities of the Los Alamos Nuclear Data Group for October 1, 1981, through March 31, 1982. Topics covered include: peripheral effects in R-matrix theory; charged-particle elastic cross sections; energy-angle correlated emission spectra from the D(n,2n)P reaction; new ENDF/B-V evaluation of n+/sup 7/Li reactions; calculation of proton emission spectra from p+/sup 91/Zr and p+/sup 87/Sr reactions; thulium cross-section calculations; production of a new evaluation for natural tungsten between 0.1 and 20 MeV; application and further development of the improved COMNUC fission model; inelastic cross-section calculations on /sup 239/Pu; new calculation of prompt fission neutron spectrum N(E) and average prompt neutron multiplicity anti nu/sub p/; new fission neutron spectrum representation for ENDF; calculation of the prompt neutron spectrum and average prompt neutron multiplicity for the spontaneous fission of /sup 252/Cf; calculation of excited-state cross sections for actinide nuclei; NJOY code development; new 80-group fast reactor cross-section library; NJOY covariance modules, ERRORR and COVR; integral data testing of representations of /sup 235/U and /sup 239/Pu thermal fission spectra; ENDF/B-VI yields; delayed neutron data; CRAY code conversions; calculating fission-product decay-energies and spectra using adjusted data; and calculated neutron sources in Pu process solutions.
Research Organization:
Los Alamos National Lab., NM (USA)
DOE Contract Number:
W-7405-ENG-36
OSTI ID:
6780288
Report Number(s):
LA-9468-PR; ON: DE83000457
Country of Publication:
United States
Language:
English

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Related Subjects

651000* -- Nuclear Physics
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
BARYON REACTIONS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CALIFORNIUM 252
CALIFORNIUM ISOTOPES
CHARGED PARTICLES
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA BASE MANAGEMENT
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
FISSION
HADRON REACTIONS
HEAVY NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LIBRARIES
LITHIUM 7 TARGET
MANAGEMENT
MATHEMATICAL MODELS
MATRICES
MINUTES LIVING RADIOISOTOPES
NEUTRON REACTIONS
NUCLEAR DATA COLLECTIONS
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
PLUTONIUM 239
PLUTONIUM ISOTOPES
PROTON REACTIONS
R MATRIX
RADIOISOTOPES
RESEARCH PROGRAMS
SCATTERING
STRONTIUM 87 TARGET
TARGETS
URANIUM 235
URANIUM 239
URANIUM ISOTOPES
YEARS LIVING RADIOISOTOPES
ZIRCONIUM 91 TARGET