SDR, EVC, and SDREVC: Limitations and Extensions
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Published:2023-10
Issue:5
Volume:89
Page:
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ISSN:0022-3778
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Container-title:Journal of Plasma Physics
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language:en
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Short-container-title:J. Plasma Phys.
Author:
Hunter E.D.ORCID, Amsler C., Breuker H., Bumbar M., Chesnevskaya S., Costantini G., Ferragut R., Giammarchi M., Gligorova A., Gosta G., Higaki H.ORCID, Killian C., Kraxberger V., Kuroda N.ORCID, Lanz A.ORCID, Leali M., Maero G.ORCID, Malbrunot C.ORCID, Mascagna V., Matsuda Y., Mäckel V., Migliorati S., Murtagh D.J.ORCID, Nanda A., Nowak L., Parnefjord Gustafsson F., Rheinfrank S., Romé M.ORCID, Simon M.C., Tajima M., Toso V.ORCID, Ulmer S., Venturelli L., Weiser A., Widmann E., Yamazaki Y., Zmeskal J.,
Abstract
Methods for reducing the radius, temperature and space charge of a non-neutral plasma are usually reported for conditions which approximate an ideal Penning Malmberg trap. Here, we show that (i) similar methods are still effective under surprisingly adverse circumstances: we perform strong drive regime (SDR) compression and SDREVC in a strong magnetic mirror field using only 3 out of 4 rotating wall petals. In addition, we demonstrate (ii) an alternative to SDREVC, using e-kick instead of evaporative cooling (EVC) and (iii) an upper limit for how much plasma can be cooled to
$T<20\ \mathrm {K}$
using EVC. This limit depends on the space charge, not on the number of particles or the plasma density.
Funder
Japan Society for the Promotion of Science Austrian Science Fund Horizon 2020 Framework Programme
Publisher
Cambridge University Press (CUP)
Subject
Condensed Matter Physics
Reference31 articles.
1. Positron accumulation in the GBAR experiment 2. Reducing the background temperature for cyclotron cooling in a cryogenic Penning–Malmberg trap 3. The ELENA facility 4. A pulsed microchannel‐plate‐based non‐neutral plasma imaging system 5. Kuroda, N. , Tajima, M. , Radics, B. , Dupré, P. , Nagata, Y. , Kaga, C. , Kanai, Y. , Leali, M. , Rizzini, E.L. , Mascagna, V. , et al. 2017 Antihydrogen synthesis in a double-cusp trap. In Proceedings of the 12th International Conference on Low Energy Antiproton Physics (LEAP2016), 18, 011009.
Cited by
2 articles.
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