A SEMIEMPIRICAL FORMULA FOR DIFFERENTIAL DOSE ALBEDO FOR GAMMA RAYS ON CONCRETE

Technical Report · Fri Nov 16 00:00:00 EST 1962

OSTI ID:4763555

Chilton, A B; Huddleston, C M

A semiempirical formula was developed which yields values for the differential dose albedo of gamma rays on concrete. Gamma rays of incident energies 0.2, 0.5, 1.0, the formula were compared with values derived from Monte Carlo calculations for the backscattering of gamma rays from a semi-infinite slab of concrete. Results show that a two-parameter formula gives satisfactory agreement with the Monte Carlo calculations. The principal assumption involved in the theoretical analysis is that the actual reflection process can be approximated by two terms, one involving a single Compton scattering event, and the other involving isotropic scattering. (auth)

• Research Organization: Naval Civil Engineering Lab., Port Hueneme, Calif.
• NSA Number: NSA-17-011901
• OSTI ID: 4763555
• Report Number(s): NP-12455; R-228
• Resource Relation: Other Information: Orig. Receipt Date: 31-DEC-63
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

PHYSICS
ANGULAR DISTRIBUTION
BACKSCATTERING
COMPTON EFFECT
CONCRETES
CONFIGURATION
ENERGY RANGE
EQUATIONS
GAMMA RADIATION
MONTE CARLO METHOD
PLATES
RADIATION DOSES
REFLECTION
SCATTERING