Multiphoton decays of positronium
Journal Article
·
· Phys. Rev. A; (United States)
We compute the branching ratios for parapositronium and orthopositronium into four and five photons, respectively. We find GAMMA(p-Ps..-->..4..gamma..)/GAMMA(p-Ps..-->..2..gamma..) = 0.274(..cap alpha../..pi..)/sup 2/approx. = 1.48 x 10/sup -6/ and GAMMA(o-Ps..-->..5..gamma..)/GAMMA(o-Ps..-->..3..gamma..) = 0.177(..cap alpha../..pi..)/sup 2/approx. = 0.96 x 10/sup -6/. We also describe the energy spectra of photons from these decays.
- Research Organization:
- Laboratory of Nuclear Studies, Cornell University, Ithaca, New York 14853
- OSTI ID:
- 5267975
- Journal Information:
- Phys. Rev. A; (United States), Journal Name: Phys. Rev. A; (United States) Vol. 28:5; ISSN PLRAA
- Country of Publication:
- United States
- Language:
- English
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