HYDROGEN FORMATION BY PROTON IMPACT ON POSITRONIUM

Authors
MERRISON JP BLUHME H CHEVALLIER J DEUTCH BI HVELPLUND P JORGENSEN LV KNUDSEN H POULSEN MR CHARLTON M
Citation
Jp. Merrison et al., HYDROGEN FORMATION BY PROTON IMPACT ON POSITRONIUM, Physical review letters, 78(14), 1997, pp. 2728-2731
Citations number
23
Categorie Soggetti
Physics
Journal title
Physical review letters → ACNP
ISSN journal
00319007
Volume
78
Issue
14
Year of publication
1997
Pages
2728 - 2731
Database
ISI
SICI code
0031-9007(1997)78:14<2728:HFBPIO>2.0.ZU;2-S
Abstract
Hydrogen formation has been observed following proton impact on positr onium. This is the first observation of charge exchange involving apos itronium target. The cross section for hydrogen formation has been exp erimentally determined at proton energies of 11.3, 13.3, and 15.8 keV. Values of sigma(H) = 26(+/- 9), 7.8(+/- 2.3), and 7.6(+/- 4.4) x 10(- 16) cm(2) were obtained, in reasonable agreement with recent calculati ons.