Variation of total to K-shell photoelectric cross section ratios with atomic number and photon energy
Conference
·
· Natl. Bur. Stand. (U.S.), Spec. Publ.; (United States)
OSTI ID:7082597
The total to K-shell photoelectric cross section ratios are calculated from the measured total and K-shell photoelectric cross sections (using a well type plastic scintillation spectrometer) in copper, zirconium, silver, tin, tantalum, gold, and lead for 145.4, 279.1, 411.8 and 661.6 keV gamma rays. The ratios are plotted against the atomic number and also the photon energy. The theoretical ratios obtained from the cross sections of Scofield are also plotted and a comparison is made. The dependence of these ratios on the atomic number of the element and the photon energy is discussed.
- Research Organization:
- Univ. of Mysore, India
- OSTI ID:
- 7082597
- Conference Information:
- Journal Name: Natl. Bur. Stand. (U.S.), Spec. Publ.; (United States) Journal Volume: 461
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
654001 -- Radiation & Shielding Physics-- Radiation Physics
Shielding Calculations & Experiments
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
74 ATOMIC AND MOLECULAR PHYSICS
ATOM COLLISIONS
ATOMIC NUMBER
COLLISIONS
COPPER
CROSS SECTIONS
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY DEPENDENCE
ENERGY RANGE
GAMMA RADIATION
GOLD
IONIZING RADIATIONS
KEV RANGE
KEV RANGE 100-1000
LEAD
METALS
PHOTOELECTRIC EFFECT
PHOTON COLLISIONS
PHOTON-ATOM COLLISIONS
RADIATIONS
REFRACTORY METALS
RELATIVISTIC RANGE
SILVER
TANTALUM
TIN
TRANSITION ELEMENTS
ZIRCONIUM
Molecular & Chemical Physics-- Collision Phenomena
654001 -- Radiation & Shielding Physics-- Radiation Physics
Shielding Calculations & Experiments
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
74 ATOMIC AND MOLECULAR PHYSICS
ATOM COLLISIONS
ATOMIC NUMBER
COLLISIONS
COPPER
CROSS SECTIONS
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY DEPENDENCE
ENERGY RANGE
GAMMA RADIATION
GOLD
IONIZING RADIATIONS
KEV RANGE
KEV RANGE 100-1000
LEAD
METALS
PHOTOELECTRIC EFFECT
PHOTON COLLISIONS
PHOTON-ATOM COLLISIONS
RADIATIONS
REFRACTORY METALS
RELATIVISTIC RANGE
SILVER
TANTALUM
TIN
TRANSITION ELEMENTS
ZIRCONIUM