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Adiabatic cooling of ions in the penning trap |
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| Authors: | Guo Zhong Li R. Poggiani G. Testera G. Werth |
| Affiliation: | 1. Institut für Physik, Johannes-Gutenberg-Universit?t Mainz, Staudinger Weg 7, W-6500, Mainz, Germany 2. Sezione di Pisa, Istituto Nazionale di Fisica Nucleare, I-56100, Pisa, Italy 3. Sezione di Genova, Istituto Nazionale di Fisica Nucleare, I-16146, Genova, Italy |
| Abstract: | An ion cloud in a Penning trap can be cooled by adiabatic expansion by reducing the trap's magnetic and electric fields. We treat the ion cloud as a classical gas and obtain the relations between the temperature and the trapping fields. This cooling method may be useful in trapping and cooling of antiprotons with the aim of measuring the gravitational accleration of anti-protons and other experiments on heavy ions. |
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