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Journal Article

Positron plasma control techniques for the production of cold antihydrogen

MPS-Authors
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Amoretti,  M.
Alban Kellerbauer - Emmy Noether Junior Research Group, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society;

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Canali,  C.
Alban Kellerbauer - Emmy Noether Junior Research Group, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society;

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Kellerbauer,  A.
Alban Kellerbauer - Emmy Noether Junior Research Group, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society;

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Citation

Funakoshi, R., Amoretti, M., Bonomi, G., Bowe, P. D., Canali, C., Carraro, C., et al. (2007). Positron plasma control techniques for the production of cold antihydrogen. Physical Review A, 76: 012713, pp. 1-8. doi:10.1103/PhysRevA.76.012713.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-7CA6-7
Abstract
An observation of a clear dependence of antihydrogen production on positron plasma shapes is reported. For this purpose a plasma control method has been developed combining the plasma rotating-wall technique with a mode diagnostic system. With the help of real-time and nondestructive observations, the rotating-wall parameters have been optimized. The positron plasma can be manipulated into a wide range of shapes aspect ratio 6.5 80 and densities 1.5 108 n 7 109 cm−3 within a short duration 25 s compatible with the ATHENA antihydrogen production cycle.