Measurements of positronium formation cross sections for positron-H scattering
Journal Article
·
· Bulletin of the American Physical Society
OSTI ID:394344
The authors have made preliminary measurements of positronium (Ps) formation cross sections for positron-H scattering. As in their original system, the atomic hydrogen is obtained from an rf discharge source, and recombination in their aluminum scattering cell is minimized by maintaining the cell at about 150 K. Their experimental approach involves setting lower limits on Ps formation cross sections using the detection of the coincidences of 511 keV annihilation gamma rays produced by the decay of para-Ps and by the interactions of ortho-Ps with the walls of the scattering cell in which the Ps is formed. The authors also plan to measure the upper limits of Ps formation cross sections by the determination of scattering cross sections associated with the measured transmissions of the positron beam through the gas in their scattering cell.
- OSTI ID:
- 394344
- Report Number(s):
- CONF-9605105--
- Journal Information:
- Bulletin of the American Physical Society, Journal Name: Bulletin of the American Physical Society Journal Issue: 3 Vol. 41; ISSN BAPSA6; ISSN 0003-0503
- Country of Publication:
- United States
- Language:
- English
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Thesis/Dissertation
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Tue Dec 31 23:00:00 EST 1991
·
OSTI ID:7072142