Borosilicate glass ({alpha},n) sources used with ORIGEN-type calculations

Conference · Tue Dec 31 00:00:00 EST 1991

OSTI ID:10114323

Hermann, O W; Salmon, R

The major part of the neutron source in vitrified high-level waste is produced from the actinide {alpha}-particle emission interacting with the light elements in borosilicate glass. Models applying thick target ({alpha},n) yield data have been developed for the ALPHN code and ORIGEN-S at the Oak Ridge National Laboratory. The method requires the relation between the ({alpha},n) yields and the stopping powers of elements, which are constituents in a mixture, and the total ({alpha},n) yield of the mixture. An example is given of results computed by ALPHN, listing the calculated ({alpha},n) sources for each {alpha}-particle emitter in addition to the total. An example computed by ORIGEN-S is given, showing both the total ({alpha},n) spectrum and the total neutron spectrum, including spontaneous fission. A discussion of the limited validation work is also provided.

• Research Organization: Oak Ridge National Lab., TN (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC05-84OR21400
• OSTI ID: 10114323
• Report Number(s): CONF-920430-33; ON: DE92005419
• Resource Relation: Conference: 3. international high level radioactive waste management (IHLRWM) conference,Las Vegas, NV (United States),12-16 Apr 1992; Other Information: PBD: [1991]
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
NEUTRON SOURCES
A CODES
O CODES
HIGH-LEVEL RADIOACTIVE WASTES
WASTE FORMS
BOROSILICATE GLASS
663440
663610
052001
D-, T-, AND HE-INDUCED REACTIONS AND SCATTERING
NEUTRON PHYSICS
WASTE PROCESSING