Temporal evolution of electron cloud in a cylindrical Penning trap at room temperature

The temporal evolution of the electron cloud at room temperature has been recorded through a resonance circuit by observing the axial oscillation frequency of its center of mass. The electron cloud undergoes radial expansion by interacting with the residual gas molecules, and it is finally lost upon...

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Bibliographic Details
Published inReview of scientific instruments Vol. 95; no. 4
Main Authors Nandi, J, Sikdar, A K, Kumar, A, Alam, S, Das, P, Ray, A
Format Journal Article
LanguageEnglish
Published United States 01.04.2024
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Summary:The temporal evolution of the electron cloud at room temperature has been recorded through a resonance circuit by observing the axial oscillation frequency of its center of mass. The electron cloud undergoes radial expansion by interacting with the residual gas molecules, and it is finally lost upon hitting the Penning trap electrodes. It has been confirmed through detailed experimental investigations that the unique temporal pattern of frequency variation is a consequence of the cloud's radial expansion. Consequently, this approach offers a non-destructive means for single-shot detection, enabling continuous monitoring of the electron cloud's radial expansion during the confinement time. This technique offers a significant advantage over its destructive alternatives.
ISSN:1089-7623
DOI:10.1063/5.0194917