Absolute pair production cross section measurements in Z = 82 with 1.077 MeV photons
- Resource Type
- Authors
- H. A. O'Brien; P. M. Wanek; H.S. Miley; F.T. Avignone; F. J. Steinkruger; C.W. Barker
- Source
- Physics Letters A. 104:143-145
- Subject
- Physics
Nuclear physics
Cross section (physics)
Pair production
Photon
General Physics and Astronomy
High Energy Physics::Experiment
Atomic physics
- Language
- ISSN
- 0375-9601
The absolute cross section for the production of electron-positron pairs by 1.077 MeV photons on lead was measured as 2.04 ± 0.10 mb. The ratio σ (exp)/ σ (theor) = 1.5. This represents the closest to threshold measurement for Z = 82.