We provide estimates of both cross section and rate for the stimulated attachment of a second positron into the (1s2 1Se) state of the H¯ + ion using Ohmura and Ohmura’s (1960 Phys. Rev. 118 154) effective range theory, Reiss’s strong field approximation (1980 Phys. Rev. A 22, 1786), and the principle of detailed balancing. Our motivation for producing H¯+ ion include its potential to be used as an intermediate state in bringing antihydrogen to ultra-cold (sub-mK) temperatures required for a variety of studies, which include both spectroscopy and the probing of the gravitational interaction of the anti-atom. We show that both cross section and rate are increased with the use of a resonant laser field.
|Advisor:||Straton, Jack C.|
|Commitee:||Koenenkamp, Rolf, Leung, Pui, McCormick, Theresa, Simoyi, Reuben|
|School:||Portland State University|
|School Location:||United States -- Oregon|
|Source:||DAI-B 80/02(E), Dissertation Abstracts International|
|Subjects:||Applied physics, Physics, Atomic physics|
|Keywords:||Antihydrogen, Laser field, Photodetachment, Ponderomotive, Stimulated attachment, Strong field|
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