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Step excitation source for ultrasonic pulse transducers

โœ Scribed by S.P. Cheney; S. Lees; F.B. Gerhard Jr; P.R. Kranz


Book ID
103434470
Publisher
Elsevier Science
Year
1973
Tongue
English
Weight
266 KB
Volume
11
Category
Article
ISSN
0041-624X

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Antihydrogen production by charge exchange reaction between Positronium atoms and antiprotons benefits from an efficient excitation of Positronium atoms to high-n levels (Rydberg levels). A two-step optical excitation, the first from ground to n = 3 and the second from this level to a Rydberg level,