/cap alpha/Z CORRECTION TO THE BETHE-MAXIMON PAIR PRODUCTION CROSS SECTION
Technical Report
·
OSTI ID:4732719
The first order correction in alpha Z to the Bethe-Maximon pair production cross section is calculated for the case where the incident photon and one of the electrons has an energy much greater tham mc. Comparison of these calculations with the experimental data of Plimpton and Hammer shows an improvement in agreement between theory and experiment of approximately a factor of 1 + ( alpha Z4 pi /15) for low positron kinetic energies. However, for positron kinetic energies of the order of 1 Mev no improvement is obtained. (auth)
- Research Organization:
- Ames Lab., Ames, Iowa
- DOE Contract Number:
- W-7405-ENG-82
- NSA Number:
- NSA-17-006948
- OSTI ID:
- 4732719
- Report Number(s):
- IS-429
- Country of Publication:
- United States
- Language:
- English
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